Biasi Inovia Combi 30C ERP Handleiding

Biasi Ketel & boiler Inovia Combi 30C ERP

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Wall hung, fanflue, roomsealed, high efficiency gas boiler
User manual and
Installation instructions
Inovia ERP
Models G.C. Appl. No.
Inovia 25C ERP 47-583-38
Inovia 30C ERP 47-583-39
Inovia 35C ERP 47-583-40
- 2 -
WARNING
Congratulations on your choice.
Inovia ERP are condensing high efciency sealed chamber fan ue gas boilers. They are
fully electronically controlled and have electronic ignition.
The materials they are made of and the control systems they are equipped with give you
safety, a high level of comfort and energy savings to allow you to get the greatest benet out
of independent heating.
Inovia ERP allow a higher efciency by reducing the ue gas temperature such that the
water vapour formed during the combustion is condensed out.
This allows a gain of useful heat that otherwise would be lost.
Biasi UK Ltd is a licensed member of the Benchmark Scheme which aims to improve the
standards of installation and commissioning of domestic heating and hot water systems in
the UK and to encourage regular servicing to optimise safety, efciency and performance.
Benchmark is managed and promoted by the Heating and Hot water Industry Council. For
more information visit www.centralheating.co.uk.
DANGER: The indications marked with this symbol must be observed to pre-
vent accidents of mechanical or generic origin (e.g.: Injuries or bruises).
DANGER: The indications marked with this symbol must be observed to pre-
vent accidents of electric origin (electrocution).
DANGER: The indications marked with this symbol must be observed to pre-
vent the risk of re or explosion.
DANGER: The indications marked with this symbol must be observed to pre-
vent accidents of heat origin (burns).
ATTENTION: The indications marked with this symbol must be observed to
prevent malfunctioning and/or damage to materials of the appliance or other
objects.
ATTENTION: The indications marked with this symbol is important informa-
tion that must be carefully read.
- 3 -
WARNING
Remember that...
The manual must be read thoroughly, so that you will be able to use the boiler in a safe
and sensible way; must be carefully kept. It may be necessary for reference in the future.
The lighting up must be carried out by competent and responsible engineer.
The manufacturer
• disclaim all liability for any translations of the present manual from which incorrect inter-
pretation may occur;
• cannot be held responsible for non-observance of instructions contained in this manual
or for the consequences of any procedure not specically described.
Guarantee conditions
• The guarantee registration form must be returned within 30 of purchase, failure to com-
ply will invalidate the guarantee.
Please ensure that the installer has fully completed the Benchmark Checklist on the inside
back pages of the installation instructions supplied with the product and that you have signed
it to say that you have received a full and clear explanation of its operation. The installer is
legally required to complete a commissioning checklist as a means of complying with the
appropriate Building Regulations (England and Wales).
All installations must be notied to Local Area Building Control either directly or through a
Competent Persons Scheme. A Building Regulations Compliance Certicate will then be
issued to the customer who should, on receipt, write the Notication Number on the Bench-
mark Checklist.
This product should be serviced regularly to optimise its safety, efciency and performance.
The service engineer should complete the relevant Service Record on the Benchmark
Checklist after each service.
The Benchmark Checklist will be required in the event of any warranty.
Using the boiler...
Before lighting the boiler you are advised to have a Gas Safety Registered Engineer
check that the installation of the gas supply
• is gas-tight;
• is of the correct gauge for the ow to the boiler;
• is tted with all the safety and control devices required by the current Regulations.
Ensure that
• Check with the Installer that he has connected and terminated the pressure relief valve
in a manner which allows safe discharge. The manufacturers are not responsible for
damage caused by opening of the pressure relief valve and consequent escape of wa-
ter, if this is not connected and terminated.
• The installer has connected the condensate outlet to a suitable drain pipe.
- 4 -
WARNING
On detecting the smell of gas:
• don’t operate any electrical switches, the telephone or any device that may produce
sparks;
• open the windows and doors at once to create a draught of air which will purge the area;
• shut off the gas cocks;
• get the assistance of a qualied person. Emergency telephone number
Tel 0800 111999.
Do not touch the appliance with parts of the body that are wet or damp and/or bare feet.
Do not block or modify the condensate outlet and pipework.
In case of structural work or maintenance near the exhaust duct and/or fume exhaust
devices or their attachments, turn off the appliance. On completion of the work, have a
professionally qualied person check their efciency.
Repairs (under guarantee) must be carried out only by a Biasi approved engineer, us-
ing genuine spare parts. Thus do no more than switching off the boiler yourself (see the
instructions).
Your boiler allows heating up of water to a temperature less than boiling point;
• must be connected to a central heating system and/or a hot water supply system, com-
patible with its performance and output;
• can be used only for those purposes for which it has been specially designed;
• must not be touched by children or by those unfamiliar with its operation;
• must not be exposed to weather conditions.
During the operation it is quite normal that the boiler produces a white plume of conden-
sation vapour from the ue terminal. This is due to the high efciency of the appliance and
may be particularly evident with low outdoor temperatures.
Safe handling of substances
Biasi products are manufactured in accordance with ISO 9001 and do not, and will not,
contain any hazardous materials or substances such as asbestos, mercury or C.F.C.’s. The
appliance packaging does not contain any substances, which may be considered a hazard
to health.
When handling or lifting always use safe techniques
• Keep your back straight, bend your knees, don't twist.
• Move your feet, avoid bending forwards and sideways and sand keep the load as close to
your body as possible.
Where possible transport the boiler using a sack truck or other suitable trolly.
Always grip the boiler rmly, and before lifting feel where the weight is concentrated to estab-
lish the centre of gravity, repositioning yourself as necessary.
- 5 -
WARNING
Combustion chamber panels
Material: mineral bres
Known hazards - Some people can suffer reddening and itching of the skin. Fibre entry into
the eye will cause foreign body irritation, which can cause severe irritation to people wearing
contact lenses. Irritation to respiratory tract.
Precautions - Dust goggles will protect eyes. People with a history of skin complaints may
be particularly susceptible to irritation. High dust levels are only likely to arise following harsh
abrasion. In general, normal handling and use will not present high risk, follow good hygiene
practices, wash hands before, touching eyes, consuming food, drinking or using the toilet.
First aid - Medical attention must be sought following eye contact or prolonged reddening of
the skin.
Thermostat / Temperature gauge
Description - Sealed phial and capillary containing liquid.
Known hazards - irritating to skin, eyes and throat. Vapour is harmful. Inammable -do not
extinguish with water.
Precautions - Do not incinerate. Avoid contact with broken/leaking phials. Do not purposely
puncture.
First aid - medical attention must be sought following eyes/skin contact, wash with clean
water.
Sharp Edges
Caution should be taken when handling the boiler to avoid sharp edges on the boiler.
Boiler installation and commissioning tips
The installation must be carried out by a qualied Gas Safety Registered Engineer
who will be responsible for observing the current Regulations and the completion of the
Benchmark Gas Boiler System Commissioning Checklist, located at the back of this User
manual.
Internally installed mains water meters
Please ensure if the property has had a water meter installed inside the property that it does
not include a non-return valve, should you nd that it does include a non-return valve then
provision of a WRAS approved mini expansion vessel must be made.
Biasi optional WRAS approved easy t 15 mm mini shock arrestor kit BI9999 999 can
be obtained through your local Biasi stockist.
- 6 -
WARNING
Installing the boiler...
Do not forget to remove the transit caps and plugs from the boiler connections these are
tted to every boiler.
Keep the boiler clear of dust during installation and in particular do not allow any dust or
debris to enter the top of the boiler where the ue connection is made. It is recommended
that you put a dust sheet over the top of the boiler until you are ready to make the ue
connection.
Remember to release the auto air purge before lling the boiler. See the instructions to
identify the location of this device.
This boiler allows to control the ow temperature of the central heating system at very
low levels. In case of underoor heating system a temperature limiting device (e.g. a
safety thermostat) is recommended to stop the boiler in case that the water temperature
exceeds the design temperature.
You are strongly advised to ush out the system both cold and hot to the British Standard
BS 7593-2006 Code of practice, in order to remove system and installation debris.
It is also sensible to initially re and commission the boiler before connecting any external
controls such as a room thermostat. By following this procedure, if you have a subse-
quent problem following the addition of an external control, you can eliminate the boiler
from your fault analysis.
If the boiler is tted with a digital programmer, when setting the times for automatic opera-
tion, remember that for every “ON” time there must be an “OFF” time to follow and that
on every occasion you enter a time you must also indicate which days that you want the
boiler to follow the timed settings.
Some products incorporate an anti cycling time delay. It is normal when rst switching the
boiler on for the boiler to operate on heating for a few seconds then switch off. After 3 - 4
minutes has elapsed the boiler will then re ignite and operate perfectly normally. The igni-
tion delay cycle does not prevent normal operation of the boiler to provide d.h.w.
If you are in any doubts as to the installation or operation of the boiler please read the
instruction manuals thoroughly and then if necessary contact Biasi UK for advice and as-
sistance.
Please remember that if you are in any doubt about the installation of this product you can
contact our Technical Help line on tel. 01922 714 600.
Abbreviations used in the manual:
C.h. = Central heating
D.h.w. = Domestic hot water
D.c.w. = Domestic cold wate
- 7 -
TABLE OF CONTENTS
1 APPLIANCE DESCRIPTION 8. . . . . . . . . . . .
1.1 Overview
...............................
8
1.2 Isolation valves........................... 8
1.3 Controls panel 9
...........................
1.4 LCD general features 9. . . . . . . . . . . . . . . . . . . . . .
2 INSTRUCTIONS FOR USE . . . . . . . . . . . . 13
2.1 Warnings 13
..............................
2.2 Relling procedure 13. . . . . . . . . . . . . . . . . . . . . . .
2.3 Ignition 14
................................
2.4 C.h. circuit temperature 15
. . . . . . . . . . . . . . . . . . .
2.5 D.h.w. temperature 19. . . . . . . . . . . . . . . . . . . . . . .
2.6 3 star preheating function 20..................
2.7 Extinguishing 21
...........................
3 USEFUL ADVICE. . . . . . . . . . . . . . . . . . . . 23
3.1 Central Heating
.........................
23
3.2 Frost protection
.........................
23
3.3 Condensate drain 23. . . . . . . . . . . . . . . . . . . . . . . .
3.4 Periodic maintenance. . . . . . . . . . . . . . . . . . . . . 23
3.5 External cleaning
........................
24
3.6 Operational faults . . . . . . . . . . . . . . . . . . . . . . . . 24
3.7 Displaying in INFO mode . . . . . . . . . . . . . . . . . . 25
3.8 Remote anomaly code . . . . . . . . . . . . . . . . . . . . 26
3.9 Flue probe 27
.............................
4 TECHNICAL INFORMATION 28. . . . . . . . . . .
4.1 Overview
..............................
28
4.2 Main diagram 29
...........................
4.3 Hydraulic specications 31
. . . . . . . . . . . . . . . . . . .
4.4 Expansion vessel 31. . . . . . . . . . . . . . . . . . . . . . . .
4.5 Technical data Inovia 25C ERP
.............
32
4.6 Technical data Inovia 30C ERP
.............
36
4.7 Technical data Inovia 35C ERP 40
.............
5 GENERAL REQUIREMENTS ..........44
5.1 Related documents
. . . . . . . . . . . . . . . . . . . . . .
44
5.2 Location of appliance . . . . . . . . . . . . . . . . . . . . . 44
5.3 Flue system
............................
45
5.4 Gas supply ............................. 46
5.5 Air supply
..............................
46
5.6 Ventilation.............................. 46
5.7 Condensate drain . . . . . . . . . . . . . . . . . . . . . . . . 46
5.8 Water circulation (c.h.) 47
. . . . . . . . . . . . . . . . . . . .
5.9 Domestic water. . . . . . . . . . . . . . . . . . . . . . . . . . 48
5.10 Water treatment
.........................
48
5.11 Electrical supply 49.........................
6 INSTALLATION .....................50
6.1 Warnings 50..............................
6.2 Precautions for installation . . . . . . . . . . . . . . . . . 50
6.3 Installing the bracket 51
. . . . . . . . . . . . . . . . . . . . .
6.4 Overall dimensions. . . . . . . . . . . . . . . . . . . . . . . 52
6.5 Joints
.................................
52
6.6 Mounting the boiler. . . . . . . . . . . . . . . . . . . . . . . 52
6.7 Fitting the ue system
. . . . . . . . . . . . . . . . . . . .
53
6.8 Choice of ue ........................... 54
6.9 Electric connection 57. . . . . . . . . . . . . . . . . . . . . . .
6.10 Connecting the room thermostat or zone valves 59
6.11 External frost protection 61...................
6.12 Installation of the external temperature probe
(optional)
..............................
62
6.13 Electric connection between the boiler and the
external probe
..........................
62
6.14 Remote electric connection (optional)
........
62
6.15 Example of hydraulic plants with hydraulic
separator
..............................
63
7 COMMISSIONING . . . . . . . . . . . . . . . . . . . 64
7.1 Warnings
..............................
64
7.2 Electrical installation. . . . . . . . . . . . . . . . . . . . . . 64
7.3 Gas supply installation . . . . . . . . . . . . . . . . . . . . 64
7.4 Filling the d.h.w. system . . . . . . . . . . . . . . . . . . . 64
7.5 Initial lling of the system . . . . . . . . . . . . . . . . . . 64
7.6 Condensate pipe and traps
................
66
7.7 Checking the gas supply pressure ........... 66
7.8 Checking the inlet pressure
................
66
7.9 Lighting the boiler 67. . . . . . . . . . . . . . . . . . . . . . . .
7.10 Enabling functioning of the external
temperature probe by the remote control ...... 68
7.11 Setting the K coefcient of the external
temperature probe 69
. . . . . . . . . . . . . . . . . . . . . . .
7.12 Setting the pump post-circulation 71............
7.13 Selecting the reignition frequency 73
...........
7.14 Checking the ignition device 74................
7.15 Checking the ue system 74..................
7.16 Checking the condensate drain pipe 75
.........
7.17 Instructing the user 75. . . . . . . . . . . . . . . . . . . . . . .
7.18 Adjustment of useful c.h. output 75.............
7.19 Setting record 76...........................
8 GAS CONVERSION 78
. . . . . . . . . . . . . . . . .
8.1 Warnings 78
..............................
8.2 Operations and gas setting 78
................
9 MAINTENANCE. . . . . . . . . . . . . . . . . . . . . 80
9.1 Warnings 80
..............................
9.2 Programming the maintenance period 80........
9.3 Dismantling the external panels 81.............
9.4 Reassembly the external panels
............
82
9.5 Emptying the d.h.w. system
................
82
9.6 Emptying the c.h. system . . . . . . . . . . . . . . . . . . 83
9.7 Cleaning the condensing primary exchanger
and the burner
..........................
83
9.8 Check the pressure of the heating expansion
vessel 85.................................
9.9 Cleaning the domestic hot water exchanger
...
85
9.10 Checking the ue expulsion pipe
............
85
9.11 Combustion analysis check
................
85
9.12 Checking the condensate drain pipe
.........
86
9.13 Visual inspection of appliance
..............
86
9.14 Checking the gas supply pressure ........... 86
9.15 Water inhibitor concentration
...............
86
9.16 Setting the boiler chimney sweep function ..... 86
10 BENCHMARK COMMISSIONING AND SER-
VICING SECTION 89
...................
Gas boiler system commissioning checklist 90....
Service record 91
..........................
Appliance category: II2H3P (gas G20 20 mbar, G31 37 mbar)
Country of destination: United Kingdom (GB) Ireland (IE)
This appliance conforms with the following EEC directive:
Gas Directive 2009/142/CE
Boiler Efciency Directive 92/42/CEE
Electromagnetic Compatibility Directive 2004/108/CE
Low Voltage Directive 2006/95/CE
The manufacturer, in the continuous process to improve his products, reserves the right to modify the data expressed
in the present documentation at any time and without prior notice.
The present documentation is an informative support and it can not be considered as a contract to-wards third parties.
- 8 -
USE
APPLIANCE DESCRIPTION
1 APPLIANCE DESCRIPTION
1.1 Overview
The model and serial number of the boiler
are printed on bottom right side.
Fig. 1.1
1
1 Controls panel
1.2 Isolation valves
Fig. 1.2
2
3 4
5
6
7
8
9
10
*
2 Gas supply label
3 C.h. ow valve
4 D.h.w. outlet valve
5 Gas inlet valve
6 D.c.w. inlet valve
7 C.h. return valve
8 Condensate drain pipe
9 Main circuit drain valve
10 C.h. pressure relief valve pipe
* model and serial number of the boiler
label.
- 9 -
USE
APPLIANCE DESCRIPTION
1.3 Controls panel
Fig. 1.3
11
12
13
14 15
16
17
18
19
20
11 D.h.w. temperature increase key
12 D.h.w. temperature reduce key
13 3 star preheating function key
14 Reset/Stand-by/Winter/Summer key
15 Reset Key
16 Access to function menu key
17 C.h. temperature reduce key
18 C.h. temperature increase key
19 Clock key: used to access the clock
functions (Time/Day/Date setting) and
the timer (3 star preheating function and
heating ow timer)
20 LCD display
RESET that takes all parameters
back to the factory value occurs
only by setting "parameter
08=04". Reset is displayed by
switch on of all symbols present
on the display.
Press keys 15 and 19 (Fig. 1.3)
simultaneously for 5 seconds in
order to reset all the scheduling
(both preheating and heating).
After resetting or in default sta-
tus, the heating function will be
activated for every day, for all 24
hours.
This is also the default status of
boilers upon delivery.
Resetting will be conrmed by
a ashing RESET along with the
symbol .
1.4 LCD general features
For the boiler technical informations refer to
the section "TECHNICAL INFORMATION"
to page 28.
Fig. 1.4
- 10 -
USE
APPLIANCE DESCRIPTION
KEY
All symbols repre-
sented with lines that
surround them, indi-
cate that the symbol
is ashing.
Constantly illuminat-
ed: chimney sweep
function enabled.
Constantly illumi-
nated: the presence
of this symbol dur-
ing normal operation
indicates that the
heating or preheating
timer has been set.
Flashing: this indi-
cates that the clock
has not yet been set
by the user.
Constantly illumi-
nated: boiler power
delayed by inhibi-
tor (AFCT) or other
events.
INFO menu input en-
abled.
Indicate the status
of the scheduling re-
quest.
Flashing:
comfort program
in process;
reduced program
in process.
The day of the week
is displayed high-
lighting the number
with the following
sequence: 1=Mon…
7=Sun.
Constantly illumi-
nated: d.h.w function
enabled.
Flashing: d.h.w func-
tion enabled.
Flashing:
solar circuit pump in
operation.
Solar integration at
the time of d.h.w with-
drawal is indicated
by the lighting of the
bars.
SV versions: the bars
indicate the value
of the temperature
of the solar storage
(range 40...80°C).
Constantly illuminat-
ed: heating request
from zone 1 and/or
zone 2.
Flashing: heating
function in progress.
Constantly illumi-
nated: delivery probe
and/or return probe.
The ignition of the
key, the arrow, M,
and the month (1 or
2) indicates the next
due date for mainte-
nance.
The ashing of the
symbol, the arrow, M
and 0 indicates that
the maintenance pe-
riod has expired.
Temperature meas-
urement unit.
Constantly illuminat-
ed: 3 star preheating
function active.
Flashing: 3 star pre-
heating function in
process.
- 12 -
USE
APPLIANCE DESCRIPTION
LCD FUNCTION
E50 +
Lack of communication
with the remote connect-
ed to zone 2.
E69 +
Wiring error lockout.
E98 +
Failure of the solar con-
troller.
E99 +
Boiler not congured.
L 01
Primary circuit temp.
limit during D.h.w. op-
eration.
Boiler Stand-By, hy-
phens are turned on in
sequence to simulate
running (antifreeze pro-
tection activated).
In the case of incorrect
pressure the value is
visualised with a ashing
symbol.
When pressure is
achieved the symbol
remains on for 15 s and
then disappears.
Flashing:
high pressure > 2.8
bar ON, 2.6 bar OFF;
intermediate pressure
0.15 < P < Pon rising
0.15 < P < (Pon-0.2)
decreasing;
pressure critical
0.00 < P < 0.15 bar.
Pump activated for the
post-circulation phase
(Po ashing + tempera-
ture ashing).
Boiler in anti-freeze
phase (bP ashing +
temperature ashing).
LCD FUNCTION
Boiler on demand for
d.h.w. power.
The d.h.w. temperature
is displayed.
Boiler requesting heat-
ing power and remote
control connected.
Set c.h.
(all other symbols are
disabled).
Set D.h.w.
(all other symbols are
disabled).
Delayed burner ignition
for setting the system
(the hourglass symbol
turns on).
Boiler in chimney sweep
in function.
The activation of the
chimney sweep occurs
conguring the "param-
eter P09=01" and is
visualized:
LP = minimum d.h.w.;
hP = minimum heating;
cP = maximum heating;
dP = maximum d.h.w.;
The transition occurs
with keys 18 (increase)
and 17 (decrease) d.h.w.
temperature.
The writing on the dis-
play alternates.
- 13 -
USE
INSTRUCTIONS FOR USE
2 INSTRUCTIONS FOR USE
2.1 Warnings
Biasi UK Ltd support the Benchmark
initiative. The Benchmark Checklist is
located at the back of this manual and
should be completed by the Installing/
Commissioning Engineer and handed
over to the User for future reference by
other visiting Engineers.
Also included is the Service Interval Re-
cord card that should be completed by
the Service Engineer following the an-
nual service maintenance of the boiler
and system.
All Gas Safe Registered Installers carry
a Gas Safe ID card, and have a registra-
tion number. Both should be recorded
in your Benchmark Checklist. You can
check your Installer is registered by call-
ing Gas Safe direct on 0800 408 5500,
or go on line at www.GasSafeRegister.
co.uk.
In order to guarantee safety and correct op-
eration, it is essential that all the tests are
carried out by a competent and responsi-
ble service engineer before lighting up the
boiler.
The tests are described in the installation
instructions in section 7 commissioning.
Ensure that the c.h. circuit is regularly lled
with water (even if the boiler is only used for
d.h.w. supply) checking that the pressure
indicated on the bottom part of the display
Fig. 2.2.
In the case of incorrect pressure the value
is visualised with a ashing symbol (Fig.
2.2).
high pressure: > 2.8 bar ON, 2.6 bar
OFF;
intermediate pressure:
0.15 < P < Pon rising
0.15 < P < (Pon-0.2) decreasing;
critical pressure (too low): 0.00 < P < 0.15
bar
If you are in any doubt regarding this
procedure you are advised to contact
your Installer or an Approved Engineer.
This appliance is provided with a built in
anti-freeze system that operates the boiler
when the temperature is below 5 °C.
Therefore, when the boiler is not lit or used
in cold weather, with consequent risk of
freezing do not switch off the boiler at the
fused spur isolation switch or close the gas
inlet cock.
When you do not expect to use the boiler
for a long period and the boiler is not to be
used for frost protection then follow the in-
structions given in section "Extinguishing"
to page 21.
2.2 Relling procedure
• -Isolate the boiler from the electrical sup
ply at the fused spur. Reconnect the lling
loop as demonstrated in Fig. 2.1.
Fig. 2.1
Control
valve
Double
check valve
Temporary
connection
Supply pipe
(cold water
inlet) Control valve
C.h. return pipe
• Open the valves of the lling loop and
watch the display until it reaches normal
lling pressure as shown in Fig. 2.2.
Fig. 2.2
- 14 -
USE
INSTRUCTIONS FOR USE
If you experience any difculty with the
operation of the boiler, switch off the
boiler immediately at the fused spur iso-
lation switch and contact your Installer
or an approved Service Engineer.
Air introduced into the boiler during this ll-
ing process will vent through the automatic
air purger tted to the boiler. You may also
nd it necessary to vent air from your radia-
tor circuit using your radiator key, however
be aware that excessive venting will cause
the pressure in the system to drop.
Always ensure that the pressure gauge is
set at the required pressure.
2.3 Ignition
• Check that the valves located in the lower
part of the boiler are open Fig. 2.3.
Fig. 2.3
Open
position
• -Turn on the electricity supply to the boil
er, switching on the fused spur isolation
switch. The LCD display displays the state
within which the boiler is found (last mem-
orised) Fig. 2.4.
Fig. 2.4
Stand-by
Hyphens are turned
on in sequence to
simulate running
Winter
Summer
Time/Day/Date setting
Enter "programming mode" by holding
down key 19 for 5 seconds (Fig. 2.7) until
the display indicates the symbol.
Use keys 17 (decrease) and 18 (increase)
Fig. 2.7 to set the time, day and date values,
using keys 12 to move from one pa11 and -
rameter to the next.
Press key 19 briey to save the values en-
tered and the display will indicate OK to
conrm (Fig. 2.5).
Fig. 2.5
- 15 -
USE
INSTRUCTIONS FOR USE
The display will indicate:
Fig. 2.6
for hour and minutes
for the day of the week
(1=Mon, ..., 7=Sun)
for day and month
for the year
for the format
To exit programming, hold down key 19 for
5 seconds (all changes will be saved) or
wait 60 seconds.
NOTE: If a remote is connected, the card
acquires the time, date and year data from
the remote itself, and synchronises with it
(ID 20).
C.h. / D.h.w. functioning
• Press the key 14 for 2 seconds until both
and symbols appear on the
display .Fig. 2.7
Fig. 2.7
11
12
13
14 15
16
17
18
19
The LCD display displays the boiler tem-
perature (primary circuit) and the and
; symbols; the symbol slowly
ashes Fig. 2.8.
Fig. 2.8
Hot water production functioning only
• Press the key 14 for 2 seconds until the
symbol appears on the display Fig.
2.9.
Fig. 2.9
11
12
13
14 15
16
17
18
19
The LCD display displays the boiler temper-
ature (primary circuit) and the symbol;
the symbol slowly ashes .Fig. 2.10
Fig. 2.10
2.4 C.h. circuit temperature
The output temperature of c.h. water can be
adjusted by acting on keys 17 (reduce) and
18 (increase) (Fig. 2.9) from a minimum of
about 25°C to a maximum of about 85°C.
Press one of the two keys once to display
the "set" value. Press again to access the
modication.
- 16 -
USE
INSTRUCTIONS FOR USE
Signal given by the LCD display:
• -The heating hot water ow "set" temper
ature and the symbol ash. The
background of the display is illuminated
(Fig. 2.11).
Fig. 2.11
Adjusting the c.h. temperature WITHOUT
the external temperature probe (option-
al) tted
Adjust the c.h. water ow as follows:
• -from 25 to 35 with an external tempera
ture included between 5 and 15°C
• -from 35 to 60 with an external tempera
ture included between -5 and +5°C
• -from 60 to 85 with an external tempera
ture less than -5°C.
Your qualied installer can recommend the
most indicated adjustments for Your sys-
tem.
The control of the set temperature reached
can be seen on the LCD display by means
of the missing symbol .
Power request in c.h. power
When the boiler has a power request in the
c.h. mode, the symbol is displayed on
the display followed by an increase of the
c.h. water ow temperature. The
symbol ashes and the circulator is activat-
ed (Fig. 2.12).
Fig. 2.12
Adjusting the temperature with the c.h.
external temp. probe installed
When the external temp. probe (optional)
is installed your boiler automatically adjusts
the temperature of the c.h. system water
ow in relation to the external temperature.
In this case the boiler must be set by a qual-
ied installer (see "Setting the K coefcient
of the external temperature probe" to page
69).
However, if the ambient temperature is not
comfortable, the ow temperature of the
heating plant can be increased or reduced
by ± 15°C by acting on keys 17 (reduce)
and 18 (increase) (Fig. 2.9).
Regulation of heat temperature, inde-
pendent, between the two areas with re-
mote control installed
When the zone valves are installed one
controlled by the ambient thermostat and
the other by the remote control it is possible
to have two different heat delivery tempera-
tures.
The heating temperature of the zone valve
controlled by a thermostat is congured on
the boiler control panel using keys 17 and
18 Fig. 2.9 .
The heating temperature of the zone valve
controlled by remote control is congured
using the heating temperature regulation
keys on the remote control.
Setting the heating time brackets for
zone 1 (room/TA zone)
In order to satisfy a heating request, both
the TA and the clock must be activated.
The second zone on the other hand is man-
aged independently from the remote (so it
already has its own time brackets).
N.B.: In the case of a single zone controlled
by TA and boiler clock (where programmed
with time brackets), in order to have a heat-
ing request, both the TA and clock consents
must be obtained.
- 17 -
USE
INSTRUCTIONS FOR USE
N.B.: The scheduling of the heating brack-
ets does not affect possible requests for
system antifreeze (AF) which are satised,
irrespective of the time bracket set.
To set the time brackets:
N.B.: You must have rst set the current
time and date.
Enter “programming mode” by holding down
keys 18 and 19 for 5 seconds (Fig. 2.13).
Fig. 2.13
11
12
13
14 15
16
17
18
19
Press keys 12 (Fig. 2.13) to select in11 or -
dividual days 1, 2, 3, 4, 5, 6, 7, or if you
want to select a group of days, hold down
key 11 until groups (1-5) (1-6) (1-7) (6-7) are
displayed (ashing), then conrm by press-
ing key 14.
The days or group of days selected are in-
dicated via the icons on the left hand side.
We have selected (1-7) group of days in this
example (Fig. 2.14):
Fig. 2.14
Press key 14 to enter the Time Bracket
which should now be ashing.
To set the times use key’s 18 (increase) or
17 (decrease) to programme the rst on
time (P1 on).
To conrm once time has been set press
key 19 (ok).
Press key 14 to go back to days which will
be ashing. Press key to scroll to (1-7) 11
and screen will show (P1 off). Press key 14
which take you back to the Time Bracket
which will be ashing to set use key’s 18
or .17
To conrm once time has been set press
key 19 then 14 to exit back to the day/group
of days selection (Fig. 2.15).
Fig. 2.15
Repeat this sequence for P2 on & P2 off the
programmes goes up to P4 for each day or
group of days Fig. 2.16.
Fig. 2.16
Any unused programmes must be set to 0.
Once set to 00:00 conrm with key 19 and
the related automatic off time brackets will
be set to 00:00 (Fig. 2.17).
- 18 -
USE
INSTRUCTIONS FOR USE
Fig. 2.17
To exit programme, hold down Key 14 for 5
seconds or wait 60 seconds.
N.B.: If you re-enter the programming mode
and modify the time settings your new val-
ues will automatically over write the old
ones providing you press the 14 and then
19 keys.
Emergency programmer reset:
To reset all time brackets press and hold
keys 15 & 19 simultaneously for 5 seconds,
the Central heating will run continually eve-
ry day for 24 hours.
Resetting will be conrmed by a ashing
RESET along with the symbol .
Programmer override Function
This mode temporarily excludes the auto-
matic programme without modifying it.
The Programming range is 1 to 23 hours
and from 1 to 30 days
Fig. 2.18
11
12
13
14 15
16
17
18
19
Below are the different settings:
- oFF = Override function disabled (clear
any pre setup override program).
- ch on = Timed manual heating function
active (on for “x” period), ( ,
and will ash).
- ch oF = Timed manual heating function off
(off for “x” period), ( and will
ash).
Activation:
Press keys 17 18 (Fig. 2.18) at the and
same time for 2 seconds to enter pro-
gramme menu (Fig. 2.19).
Fig. 2.19
Press key 14 (Fig. 2.18) to modify the func-
tion status: (14 scrolls through Menu oFF,
ch on ch oFF, ) Fig. 2.20.
Fig. 2.20
- 21 -
USE
INSTRUCTIONS FOR USE
with minimum intervals of 15 minutes (Fig.
2.29).
Fig. 2.29
Press key 14 to access the time modica-
tion, and the digits to be programmed will
begin to ash.
To modify the on and off time, press key 17
or .18
To conrm the on/off point and move on to
the next point, press key 14 in Fig. 2.28.
If all 4 programmes (P1÷P4) are not used,
the unused programmes must be set to 0 as
shown in Fig. 2.30.
Fig. 2.30
Press key 19 briey to save the values en-
tered and the display will indicate OK to
conrm.
Fig. 2.31
To exit programming, hold down key 19 for
5 seconds (all changes will be saved) or
wait 60 seconds.
To reset all the time brackets, please refer
to paragraph 1.3 to page 9.
2.7 Extinguishing
Press the key for 2 seconds 14 (
Fig. 2.32)
until the symbol appears on the
display (Fig. 2.33).
Fig. 2.32
11
12
13
14 15
16
17
18
19
Fig. 2.33
- 22 -
USE
INSTRUCTIONS FOR USE
If a long period of inactivity is envisioned:
• Switch off the electricity supply to the boil-
er, by means of the fused spur isolation
switch.
• Shut off the gas supply cock and the
valves for the water circuits tted under
the boiler Fig. 2.34.
Fig. 2.34
Close
position
• If necessary, empty the hydraulic circuits
see section "Emptying the d.h.w. system"
to page 82 section "Emptying the c.h. and
system" to page 83.
- 24 -
USE
USEFUL ADVICE
• condensing heat exchanger;
• burner;
• exhaust fume duct and ue;
• pressurisation of the expansion tank;
• lling up of the central heating circuit;
• bleeding of air from the central heating
system;
• -general check of the appliance’s opera
tion.
3.5 External cleaning
Before carrying out any clean-
ing, disconnect the appliance
from the electrical mains, using
the fused spur isolation switch
tted adjacent to the appliance.
To clean the external panels, use a cloth
soaked in soapy water. Do not use solvents,
abrasive powders or sponges.
Do not carry out cleaning of the appliance
and/or its parts with readily ammable sub-
stances (for example petrol, alcohols, naph-
tha, etc.).
3.6 Operational faults
If the boiler does not function and a code
that precedes the letter and the writing E
RESET (see "LCD general features" to
page 9) appear on the LCD display, it in-
dicates that the safety lock-out has stopped
the boiler. The display background ashes
(Fig. 3.3).
Fig. 3.3
For the rst lighting up and following main-
tenance procedures for the gas supply, it
may be necessary to repeat the resetting
operation several times so as to remove the
air present in the pipe work.
Safety lock-out may occur even in case of a
blockage of the condensate drainage (e.g.
plugged drain pipe). It is advisable to check
the condensate drainage pipe and traps for
cleanness.
Press the reset key on the boiler control
panel 15 (Fig. 3.1) to reset its functioning.
In this case and in case of per-
sistent lock-out call a compe-
tent and responsible Service
Engineer.
Other operational faults signalled on the
LCD display
If the LCD display displays a code that pre-
cedes the letter and the E symbol, the
boiler has an anomaly that cannot be reset.
The display background ashes (Fig. 3.4).
Fig. 3.4
Another possible signal occurs when the
d.h.w. exchanger cannot exchange all of the
power supplied by the boiler.
E.g.: d.h.w. exchanger clogged with lime
scale. This happens only when the boiler
has a request for d.h.w..
Code 01 appears on the LCD display that
preceded with the letter . The display L
background ashes (Fig. 3.5).
- 25 -
USE
USEFUL ADVICE
Fig. 3.5
In order to reset good function-
ing of the boiler, call a compe-
tent and responsible Service
Engineer.
Noise due to air bubbles are heard dur-
ing operation
You should check that the pressure on the
pressure gauge is not below the correct set-
ting.
If required, top up the system correctly, as
described in the section "Relling proce-
dure" to page 13 of this manual. Bleed any
air present in the radiators, if necessary.
The pressure has gone down
It is necessary to top up the appliance with
water again, so as to raise the pressure to
an adequate level as described in the sec-
tion "Relling procedure" to page 13 of this
manual. If topping up with water has to
be done very frequently, have the system
checked for leaks.
Water comes out of the pressure relief
valve
Check on the pressure gauge that the pres-
sure in the central heating circuit is not
close to 3 bars. In this case, temperature
rise in the circuit can cause the pressure
relief valve to open. So that this does not
happen and to decrease the pressure to a
normal value, it is advisable to vent some of
the water in the appliance through the bleed
valves present in the radiators.
Reduced domestic hot water tempera-
ture
The likely causes may be impurities caught
in the domestic hot water ow switch lter or
limescale deposited in the domestic hot wa-
ter heat exchanger. It is advisable to have
the appliance cleaned out by an Authorised
Service Centre Engineer.
Water should occasionally leak from the
boiler
Shut off the valves positioned under the
boiler to page 22 and call an Authorised
Service Centre Engineer.
In this case or in case of prob-
lems other than those men-
tioned here, switch off the boil-
er, as described in section
"Extinguishing" to page 21 and
call a competent and responsi-
ble Service Engineer.
3.7 Displaying in INFO mode
The INFO mode allows the display of some
information on the boiler functioning status.
In case of malfunctioning of the boiler, it may
be useful to communicate such information
to the Authorised Service Centre Engineer
so that the causes can be understood.
In order to access the INFO mode, press
key 16 (Fig. 3.6) the index J00 and the val-
ue of the parameter appear on the display
(Fig. 3.7).
- 26 -
USE
USEFUL ADVICE
Fig. 3.6
11
12
13
14 15
16
17
18
19
Fig. 3.7
To scroll the values press 17 (reduce) and
18 (increase) keys. In order to exit the
INFO mode, hold keys 14 18 Fig. 3.6) and (
pressed at the same time.
The table summarises the possible values
visible in INFO mode.
Value visualised Index
Primary circuit pressure J00 + value
External temperature J01 + value
K curve value congured
in loco J02 + value
Offset climatic curve value J03 + value
Calculated heating set
point (with climatic curve
or set congured)
J04 + value
Temperature NTC delivery J05 + value
Temperature NTC return J06 + value
Domestic set J07 + value
Temp. d.h.w. inlet (if fore-
seen) J08 + value
Temp. d.h.w. output J09 + value
D.h.w. capacity J10 + value
Flue temperature (if fore-
seen) J11 + value
Fan speed (if foreseen) J12 + value
Pressure transducer pres-
sure (if foreseen) J13 + value
Ionization value J14 + value
Number of months to
maintenance J15 + value
3 star status
(ON=01, OFF=00) J16 + value
HWCH Hardware code
high J17 + value
HWCL Hardware code low J18 + value
SWCH Software code high J19 + value
SWCL Software code low J20 + value
3.8 Remote anomaly code
If the boiler is connected to remote (option-
al), a code that indicates a boiler anomaly is
displayed in the centre of the display.
The anomaly in progress is indicated by a
numeric code followed by the letter E.
The table summarises the possible codes
displayed on the remote.
Anomaly Code
Lack of burner ignition E01
Safety thermostat lockout E02
General lockout E03
Lack of circulation pump E04
Faulty fan control system / air
pressure / ue thermostat E05
Faulty c.h. temp. probe NTC1
or NTC2 E06
Faulty d.h.w. temp. probe
NTC E07
- 27 -
USE
USEFUL ADVICE
Faulty external temp. probe
NTC (with K set) E08
Flame detection error E11
Lack of circulation T >105°C E14
3.9 Flue probe
The ue probe and safety thermal fuse 22
28 indicated in Fig. 3.8 are a safety device.
The ue probe intervenes when the ue 22
temperature exceeds 110°C placing the
boiler in safety block switching it off.
To reset normal boiler functioning, just press
the 15 (Fig. 3.6) key.
If ue probe 22 does not intervene and,
therefore does not send the boiler into se-
curity lockout, thermofusible 28 enters into
function as a further safety measure.
This component sends the boiler into se-
curity lockout when the ue temperature
reaches 167°C.
To restore the normal operation of the boil-
er, contact the Authorized Service Centre.
Fig. 3.8
22 28
- 28 -
INSTALLATION
TECHNICAL INFORMATION
4 TECHNICAL INFORMATION
4.1 Overview
Fig. 4.1
21
22
48
45
38
42
31
27
37
32
33
34
26
44
40
30
39
46
25
43
41
29
47
35
36
51
28
52
- 29 -
INSTALLATION
TECHNICAL INFORMATION
4.2 Main diagram
Fig. 4.2
3 C.h. ow valve
4 D.h.w. outlet valve
5 Gas inlet valve
6 D.c.w. inlet valve
7 C.h. return valve
8 Condensate drain pipe
9 Main circuit drain valve
21 Condensing heat exchanger air purger
valve
22 Flue temperature probe NTC
23 C.h. temperature probe NTC (delivery)
24 C.h. temperature probe NTC (return)
25 Condensing heat exchanger
26 Safety thermostat
27 Flame-detecting electrode
28 Safety thermal fuse
29 Air manifold
30 C.h. pressure relief valve
31 Automatic airpurger valve
32 Pump
33 Gas valve
34 Gas valve inlet test point
51
52
53
25
27
45
46
43
33
48
32
38
41
30
5 7
9
8 3 6 4
39
34
31
23
24
36
47
42
50 49
40
54
22
26
28
55
21
35
- 30 -
INSTALLATION
TECHNICAL INFORMATION
35 D.h.w. inlet temperature probe NTC
36 D.h.w. outlet temperature probe NTC
37 Control box containing:
External temperature probe terminal
block, remote terminal block, d.h.w tank
terminal block, power supply terminal
block, external controls terminal block
38 Primary circuit pressure switch
39 Condensate trap
40 D.h.w. heat exchanger
41 Three-way diverter valve
42 Three-way electric actuator valve
43 Fan
44 Air box (air/gas mixer)
45 Ignition electrode
46 Burner
47 Domestic hot water ow switch
48 C.h. expansion tank
49 Domestic water circuit lter
50 Domestic hot water ow limiter
51 Flue outlet pipe
52 Air intake pipe
53 Flue exhaust sampling point
54 Air sampling point
55 By-pass valve
- 31 -
INSTALLATION
TECHNICAL INFORMATION
4.3 Hydraulic specications
The hydraulic specications represents the
pressure (available head for the central
heating system) as a function of the ow
rate.
Model Inovia 25C ERP
Fig. 4.3
0 100 200 300 400 500 600 700 800 900 1000 1100 1200 1300 1400 1500
0,00
0,05
0,10
0,15
0,20
0,25
0,30
0,35
0,40
0,45
0,50
Pression (bar)
Flow (l/h)
Models Inovia 30C ERP - Inovia 35C ERP
Fig. 4.4
0 100 200 300 400 500 600 700 800 900 1000 1100 1200 1300 1400 1500
0,00
0,05
0,10
0,15
0,20
0,25
0,30
0,35
0,40
0,45
0,50
Pression (bar)
Flow (l/h)
The boiler load loss has already been re-
moved.
Flow rate with closed thermostatic
valves
The boiler is equipped with an automatic
by-pass, which protects the condensing pri-
mary exchanger.
In case of excessive reduction or total stop-
ping of water circulation in the heating plant
due to the closing of thermostatic valves or
circuit elements valves, by-pass ensures a
minimum water circulation inside the con-
densing primary exchanger.
The by-pass is calibrated to a differential
pressure of about 0.3-0.4 bar.
4.4 Expansion vessel
Note: this boiler is designed for opera-
tion only in a sealed central heating sys-
tem.
The height difference between the pressure
relief valve and the highest point in the sys-
tem may be 10 m at most.
For greater differences, increase the pre-
load pressure in the expansion vessel and
the system, when cold, by 0.1 bar for each
additional 1 m.
Fig. 4.5
Total capacity 7,0l
Pre-load pressure kPa 100
bar 1,0
Useful capacity l 3,5
Maximum volume of water in
the system * l109
* Where conditions are:
• Average maximum temperature of the
system is 85 °C
• -Initial temperature when lling up the sys
tem is 10 °C
For systems with volumes
greater then the one indicated in
the above table, an additional
expansion vessel must be pro-
vided.
- 32 -
INSTALLATION
TECHNICAL INFORMATION
4.5 Technical data Inovia 25C ERP
Heat input
Nominal net (A) central heating
kW 20,0
BTU/h 68243
Nominal net (A) domestic hot water
kW 25,0
BTU/h 85304
Nominal gross (B) central heating
kW 22,2
BTU/h 75750
Nominal gross (B) domestic hot water
kW 27,8
BTU/h 94687
Minimun net (A) ch - dhw kW 6,0
BTU/h 20473
Minimun gross (B) ch - dhw
kW 6,7
BTU/h 22725
Useful output
Maximun (central heating) kW 19,5
BTU/h 66468
Maximun (domestic hot water)
kW 24,4
BTU/h 83086
Minimun (ch - dhw) kW 5,9
BTU/h 19981
Maximun condensing (central heating)
kW 21,2
BTU/h 72337
Maximun condensing (domestic hot
water)
kW 26,6
BTU/h 90763
Minimun condensing (ch - dhw) kW 6,5
BTU/h 22029
Central heating
Min/Max ow temperature settings* °C 25 - 85
Maximum pressure
kPa 250
bar 2,5
Minimum pressure
kPa 30
bar 0,3
Available head (in 1000 l/h) kPa 23,0
bar 0,23
Seasonal efcency G20 (c) % 88,7
Seasonal efcency G31 (c) %89,7
* to the minimum useful output
(A) referred to the net caloric value at 15 °C and
1013,25 mbar: G20 = 34,02 MJ/m
3 - G31 = 46,34 MJ/
kg
(B) referred to the gross caloric value at 15 °C and
1013,25 mbar: G20 = 37,78 MJ/m
3 - G31 = 50,37 MJ/
kg
(C)
The value is used in the UK Government’s Standard
Assessment Procedure (SAP) for energy rating of
dwellings. The test data from which it has been calcu-
lated have been certied by a notied body.
(D)
Values subject to tolerance
Domestic hot water
Min/Max temperature settings °C 35 - 55
Maximum pressure
kPa 1000
bar 10
Minimum pressure kPa 30
bar 0,3
Flow rate minimun l/min 2,5
Flow rate 30° rise (D) l/min 13,3
Flow rate 35° rise (D) l/min 11,4
Flow rate 40° rise (D) l/min 9,9
- 33 -
INSTALLATION
TECHNICAL INFORMATION
Gas supply pressures
Gas Pa mbar
Natural G20
Nom 2000 20
Min 1700 17
Max 2500 25
Propane G31
Nom 3000 30
Min 2000 20
Max 3500 35
Gas rate maximum - central heating
Natural G20 m3 /h 2,15
Propane G31 kg/h 1,55
Gas rate maximum - domestic hot water
Natural G20 m3 /h 2,67
Propane G31 kg/h 1,94
Gas rate minimum - ch dhw
Natural G20 m3 /h 0,65
Propane G31 kg/h 0,47
Gas restrictors references Ø mm
/100
Natural G20 565
Propane G31 430
Air/gas mixer restrictors
Natural G20 Fuch-
sia Fucsia
Propane G31 Fuch-
sia Fucsia
Electrical data
Voltage V~ 230
Frequency Hz 50
Nominal Power consumption W 95
Minimum Power consumption W 57
Stand-by Power consumption W 5
Protection degree IPX5D
External fuse rating A 3
Internal fuse rating AN° 2 - 2
AF
Flue design
Boiler type
B23P C13 C33 C43 C53 C63 C83
ø Coaxial mm 60/100
ø Twin split pipes mm 80/80
ø Roof mm 80/125
Nominal heat ow rate
(A) (E) kW 25,0
Exhaust temperature
(E) °C 76,0
Mass ow rate (E) kg/s 0,0089
Flue gas gures
Nominal heat input
(A) (E) kW 25,0
CO 2 content with gas G20 9,3 - 9,9%
O 2 content with gas G20 3,9%
CO content with gas G20 ppm 139,0
Exhaust temperature
(E) °C 76,0
NOx class 5
Weighted NOx ppm 17
(E) Values refer tests with a 1 m ue working at the
nominal heat input
- 34 -
INSTALLATION
TECHNICAL INFORMATION
CO contents - central heating2
Nominal heat input (A) (E) kW 20,0
CO 2 content with gas G20 (range
min - max) %9,2 - 9,8
CO 2 content with gas G31 (range
min - max) %9,9 -
10,8
Minimum heat input (A) (E) kW 6,0
CO 2 content with gas G20 (range
min - max) %8,7 - 9,3
CO 2 content with gas G31 (range
min - max) %9,4- 10,4
CO 2 contents - domestic hot water
Nominal heat input (A) (E) kW 25,0
CO 2 content with gas G20 (range
min - max) %9,3 - 9,9
CO 2 content with gas G31 (range
min - max) %10,0 -
10,9
Minimum heat input (A) (E) kW 6,0
CO 2 content with gas G20 (range
min - max) %8,7 - 9,3
CO 2 content with gas G31 (range
min - max) %9,4- 10,4
Other specications
Height mm 700
Width mm 400
Depth mm 290
Weight (dry) kg 33,0
Water volume in the boiler (up to 1
bar) l (kg) 2,0
- 35 -
INSTALLATION
TECHNICAL INFORMATION
Model(s): Inovia 25C ERP
Condensing boiler: Yes
Low-temperature boiler (**): No
B1 boiler: No
Cogeneration space heater: No If yes, equipped with a supplementary heater: -
Combination heater: Yes
Item Symbol Value Unit Item Symbol Value Unit
Rated heat output Prated 20 kW Seasonal space heating
energy efciency ηs 92 %
For boiler space heaters and boiler combination heat-
ers: Useful heat output
For boiler space heaters and boiler combination heaters:
Useful efciency
At rated heat output and
high-temperature regime (*) P4 19,5 kW At rated heat output and
high-temperature regime (*) η4 88,2 %
At 30% of rated heat output
and low-temperature regime
(**)
P1 6,5 kW
At 30% of rated heat output
and low-temperature regime
(**)
η1 97,0 %
Auxiliary electricity consumption Other items
At full load Pelmax 0,086 kW Standby heat loss stby 0,078 kW
At part load elmin 0,009 kW Ignition burner power con-
sumption Pign - kW
In standby mode PSB 0,005 kW Annual energy consumption Q
HE 39,656 GJ
Sound power level, indoors L
WA 52 dB
Emission of nitrogen oxides NOx30 mg/
kWh
For combination heaters:
Declared load prole XL Water heating energy ef-
ciency ηwh 86 %
Daily electricity consumption Qelec 0,169 kWh Daily fuel consumption Q
fuel 22,462 kWh
Annual electricity consump-
tion AEC 37 kWh Annual fuel consumption AFC 17 GJ
Contact details See manual cover
(*) High-temperature regime means 60°C return temperature at heater inlet and 80°C feed temperature at heater
outlet.
(**) Low temperature means for condensing boilers 30°C, for low-temperature boilers 37°C and for other heaters
50°C return temperature (at heater inlet).
- 36 -
INSTALLATION
TECHNICAL INFORMATION
4.6 Technical data Inovia 30C ERP
Heat input
Nominal net (A) central heating
kW 25,0
BTU/h 85304
Nominal net (A) domestic hot water
kW 30,0
BTU/h 102364
Nominal gross (B) central heating
kW 27,8
BTU/h 94687
Nominal gross (B) domestic hot water
kW 33,3
BTU/h 113624
Minimun net (A) ch - dhw kW 8,5
BTU/h 29003
Minimun gross (B) ch - dhw
kW 9,4
BTU/h 32194
Useful output
Maximun (central heating) kW 24,4
BTU/h 83256
Maximun (domestic hot water)
kW 29,2
BTU/h 99634
Minimun (ch - dhw) kW 8,3
BTU/h 28321
Maximun condensing (central heating)
kW 26,6
BTU/h 90763
Maximun condensing (domestic hot
water)
kW 31,9
BTU/h 108847
Minimun condensing (ch - dhw) kW 9,2
BTU/h 31392
Central heating
Min/Max ow temperature settings* °C 25 - 85
Maximum pressure
kPa 250
bar 2,5
Minimum pressure kPa 30
bar 0,3
Available head (in 1000 l/h)
kPa 27,0
bar 0,27
Seasonal efcency G20 (c) % 88,7
Seasonal efcency G31 (c) %89,7
* to the minimum useful output
(A) referred to the net caloric value at 15 °C and
1013,25 mbar: G20 = 34,02 MJ/m
3 - G31 = 46,34 MJ/
kg
(B) referred to the gross caloric value at 15 °C and
1013,25 mbar: G20 = 37,78 MJ/m
3 - G31 = 50,37 MJ/
kg
(C)
The value is used in the UK Government’s Standard
Assessment Procedure (SAP) for energy rating of
dwellings. The test data from which it has been calcu-
lated have been certied by a notied body.
(D)
Values subject to tolerance
Domestic hot water
Min/Max temperature settings °C 35 - 55
Maximum pressure kPa 1000
bar 10
Minimum pressure
kPa 30
bar 0,3
Flow rate minimun l/min 2,5
Flow rate 30° rise (D) l/min 16,2
Flow rate 35° rise (D) l/min 13,5
Flow rate 40° rise (D) l/min 11,7
- 37 -
INSTALLATION
TECHNICAL INFORMATION
Gas supply pressures
Gas Pa mbar
Natural G20
Nom 2000 20
Min 1700 17
Max 2500 25
Propane G31
Nom 3000 30
Min 2000 20
Max 3500 35
Gas rate maximum - central heating
Natural G20 m3 /h 2,65
Propane G31 kg/h 1,94
Gas rate maximum - domestic hot water
Natural G20 m3 /h 3,18
Propane G31 kg/h 2,33
Gas rate minimum - ch dhw
Natural G20 m3 /h 0,90
Propane G31 kg/h 0,66
Gas restrictors references Ø mm
/100
Natural G20 690
Propane G31 505
Air/gas mixer restrictors
Natural G20 Blue Blu
Propane G31 Blue Blu
Electrical data
Voltage V~ 230
Frequency Hz 50
Nominal Power consumption W 104
Minimum Power consumption W 57
Stand-by Power consumption W 5
Protection degree IPX5D
External fuse rating A 3
Internal fuse rating AN° 2 - 2
AF
Flue design
Boiler type
B23P C13 C33 C43 C53 C63 C83
ø Coaxial mm 60/100
ø Twin split pipes mm 80/80
ø Roof mm 80/125
Nominal heat ow rate
(A) (E) kW 30,0
Exhaust temperature
(E) °C 74,0
Mass ow rate (E) kg/s 0,0111
Flue gas gures
Nominal heat input
(A) (E) kW 30,0
CO 2 content with gas G20 9,2 - 9,8%
O 2 content with gas G20 3,9%
CO content with gas G20 ppm 75,0
Exhaust temperature
(E) °C 74,0
NOx class 5
Weighted NOx ppm 18
(E) Values refer tests with a 1 m ue working at the
nominal heat input
- 38 -
INSTALLATION
TECHNICAL INFORMATION
CO contents - central heating2
Nominal heat input (A) (E) kW 25,0
CO 2 content with gas G20 (range
min - max) %9,2 - 9,8
CO 2 content with gas G31 (range
min - max) %9,9 -
10,8
Minimum heat input (A) (E) kW 8,5
CO 2 content with gas G20 (range
min - max) %8,7 - 9,3
CO 2 content with gas G31 (range
min - max) %9,4- 10,4
CO 2 contents - domestic hot water
Nominal heat input (A) (E) kW 30,0
CO 2 content with gas G20 (range
min - max) %9,2 - 9,8
CO 2 content with gas G31 (range
min - max) %9,9 -
10,8
Minimum heat input (A) (E) kW 8,5
CO 2 content with gas G20 (range
min - max) %8,7 - 9,3
CO 2 content with gas G31 (range
min - max) %9,4- 10,4
Other specications
Height mm 700
Width mm 400
Depth mm 290
Weight (dry) kg 34,5
Water volume in the boiler (up to 1
bar) l (kg) 2,5
- 39 -
INSTALLATION
TECHNICAL INFORMATION
Model(s): Inovia 30C ERP
Condensing boiler: Yes
Low-temperature boiler (**): No
B1 boiler: No
Cogeneration space heater: No If yes, equipped with a supplementary heater: -
Combination heater: Yes
Item Symbol Value Unit Item Symbol Value Unit
Rated heat output Prated 25 kW Seasonal space heating
energy efciency ηs 92 %
For boiler space heaters and boiler combination heat-
ers: Useful heat output
For boiler space heaters and boiler combination heaters:
Useful efciency
At rated heat output and
high-temperature regime (*) P4 24,4 kW At rated heat output and
high-temperature regime (*) η4 88,0 %
At 30% of rated heat output
and low-temperature regime
(**)
P1 8,1 kW
At 30% of rated heat output
and low-temperature regime
(**)
η1 97,0 %
Auxiliary electricity consumption Other items
At full load Pelmax 0,095 kW Standby heat loss stby 0,098 kW
At part load elmin 0,010 kW Ignition burner power con-
sumption Pign - kW
In standby mode PSB 0,005 kW Annual energy consumption Q
HE 51,183 GJ
Sound power level, indoors L
WA 52 dB
Emission of nitrogen oxides NOx31 mg/
kWh
For combination heaters:
Declared load prole XL Water heating energy ef-
ciency ηwh 87 %
Daily electricity consumption Qelec 0,163 kWh Daily fuel consumption Q
fuel 22,169 kWh
Annual electricity consump-
tion AEC kWh Annual fuel consumption AFC 1736 GJ
Contact details See manual cover
(*) High-temperature regime means 60°C return temperature at heater inlet and 80°C feed temperature at heater
outlet.
(**) Low temperature means for condensing boilers 30°C, for low-temperature boilers 37°C and for other heaters
50°C return temperature (at heater inlet).
- 41 -
INSTALLATION
TECHNICAL INFORMATION
Gas supply pressures
Gas Pa mbar
Natural G20
Nom 2000 20
Min 1700 17
Max 2500 25
Propane G31
Nom 3000 30
Min 2000 20
Max 3500 35
Gas rate maximum - central heating
Natural G20 m3 /h 3,17
Propane G31 kg/h 2,33
Gas rate maximum - domestic hot water
Natural G20 m3 /h 3,60
Propane G31 kg/h 2,64
Gas rate minimum - ch dhw
Natural G20 m3 /h 0,90
Propane G31 kg/h 0,66
Gas restrictors references Ø mm
/100
Natural G20 690
Propane G31 505
Air/gas mixer restrictors
Natural G20 Blue Blu
Propane G31 Blue Blu
Electrical data
Voltage V~ 230
Frequency Hz 50
Nominal Power consumption W 112
Minimum Power consumption W 57
Stand-by Power consumption W 5
Protection degree IPX5D
External fuse rating A 3
Internal fuse rating AN° 2 - 2
AF
Flue design
Boiler type
B23P C13 C33 C43 C53 C63 C83
ø Coaxial mm 60/100
ø Twin split pipes mm 80/80
ø Roof mm 80/125
Nominal heat ow rate
(A) (E) kW 34,0
Exhaust temperature
(E) °C 81,6
Mass ow rate (E) kg/s 0,0133
Flue gas gures
Nominal heat input
(A) (E) kW 34,0
CO 2 content with gas G20 9,3 - 9,9%
O 2 content with gas G20 3,9%
CO content with gas G20 ppm 160,0
Exhaust temperature
(E) °C 81,6
NOx class 5
Weighted NOx ppm 22
(E) Values refer tests with a 1 m ue working at the
nominal heat input
- 42 -
INSTALLATION
TECHNICAL INFORMATION
CO contents - central heating2
Nominal heat input (A) (E) kW 30,0
CO 2 content with gas G20 (range
min - max) %9,2 - 9,8
CO 2 content with gas G31 (range
min - max) %9,9 -
10,8
Minimum heat input (A) (E) kW 8,5
CO 2 content with gas G20 (range
min - max) %8,7 - 9,3
CO 2 content with gas G31 (range
min - max) %9,4- 10,4
CO 2 contents - domestic hot water
Nominal heat input (A) (E) kW 34,0
CO 2 content with gas G20 (range
min - max) %9,3 - 9,9
CO 2 content with gas G31 (range
min - max) %10,0 -
10,9
Minimum heat input (A) (E) kW 8,5
CO 2 content with gas G20 (range
min - max) %8,7 - 9,3
CO 2 content with gas G31 (range
min - max) %9,4- 10,4
Other specications
Height mm 700
Width mm 400
Depth mm 290
Weight (dry) kg 34,5
Water volume in the boiler (up to 1
bar) l (kg) 2,5
- 43 -
INSTALLATION
TECHNICAL INFORMATION
Model(s): Inovia 35C ERP
Condensing boiler: Yes
Low-temperature boiler (**): No
B1 boiler: No
Cogeneration space heater: No If yes, equipped with a supplementary heater: -
Combination heater: Yes
Item Symbol Value Unit Item Symbol Value Unit
Rated heat output Prated 30 kW Seasonal space heating
energy efciency ηs 92 %
For boiler space heaters and boiler combination heat-
ers: Useful heat output
For boiler space heaters and boiler combination heaters:
Useful efciency
At rated heat output and
high-temperature regime (*) P4 29,5 kW At rated heat output and
high-temperature regime (*) η4 88,4 %
At 30% of rated heat output
and low-temperature regime
(**)
P1 9,7 kW
At 30% of rated heat output
and low-temperature regime
(**)
η1 96,6 %
Auxiliary electricity consumption Other items
At full load Pelmax 0,104 kW Standby heat loss stby 0,118 kW
At part load elmin 0,010 kW Ignition burner power con-
sumption Pign - kW
In standby mode PSB 0,005 kW Annual energy consumption Q
HE 59,096 GJ
Sound power level, indoors L
WA 53 dB
Emission of nitrogen oxides NOx38 mg/
kWh
For combination heaters:
Declared load prole XXL Water heating energy ef-
ciency ηwh 85 %
Daily electricity consumption Qelec 0,228 kWh Daily fuel consumption Q
fuel 28,434 kWh
Annual electricity consump-
tion AEC 50 kWh Annual fuel consumption AFC 22 GJ
Contact details See manual cover
(*) High-temperature regime means 60°C return temperature at heater inlet and 80°C feed temperature at heater
outlet.
(**) Low temperature means for condensing boilers 30°C, for low-temperature boilers 37°C and for other heaters
50°C return temperature (at heater inlet).
- 44 -
INSTALLATION
- 44 -
INSTALLATION
GENERAL REQUIREMENTS
5 GENERAL REQUIREMENTS
Benchmark places responsibilities on
both manufacturers and installers. The
purpose is to ensure that customers are
provided with the correct equipment for
their needs, that it is installed, commis-
sioned and serviced in accordance with
the manufacturer’s instructions by com-
petent persons and that it meets the re-
quirements of the appropriate Building
Regulations. The Benchmark Checklist
can be used to demonstrate compliance
with Building Regulations and should be
provided to the customer for future ref-
erence.
Installers are required to carry out in-
stallation, commissioning and servic-
ing work in accordance with the Bench-
mark Code of Practice which is available
from the Heating and Hotwater Industry
Council who manage and promote the
Scheme. Visit www.centralheating.co.uk
for more information.
Our Company supports the Benchmark
initiative. The Benchmark Checklist is
located at the back of this manual and
should be completed by the Installing/
Commissioning Gas Safety Registered
Engineer and handed over to the User
for future reference by other visiting
Engineers. Also included is the Service
Interval Record card that should be com-
pleted by the Service Engineer following
the annual service maintenance of the
boiler and system.
For Ireland (IE), it is necessary to com-
plete a “Declaration of Conformity” to
indicate compliance to I.S.813.2002.
This appliance must be installed by a
competent person in accordance with
the Gas Safe (installation & Use) Regula-
tions.
5.1 Related documents
The installation of this appliance must be in
accordance with the relevant requirements
of the current Gas Safe (Installation & Use)
Regulations, the Local Building Regula-
tions, the current I.E.E. Wiring Regulations,
the Regulations and by-laws of the local wa-
ter undertaking, and in Scotland, in accord-
ance with the Building Standards (Scotland)
Regulation. Health and safety document n°
635 ”Electricity at work regs.”.
It should also be in accordance with the Brit-
ish Standard Codes of Practice:
In Ireland (IE). The installation must be
carried out by a Competent Person and in-
stalled in accordance with the current edi-
tion of I.S.813.2002 “Domestic Gas Installa-
tions” the current Building Regulations and
reference should be made to the current
ETCI rules for electrical installations.
5.2 Location of appliance
The appliance may be installed in any room
or internal space, although particular atten-
tion is drawn to the requirements of the cur-
rent I.E.E. Wiring Regulations, and in Scot-
land, the electrical provisions of the Building
Regulations applicable in Scotland, with
respect to the installation of the combined
appliance in a room containing a bath or
shower.
For Ireland (IE), reference should be made
to the current edition of I.S.813.2002 and
the current ETCI rules for electrical instal-
lations.
Where a room-sealed appliance is in-
stalled in a room containing a bath or
shower, any electrical switch or appli-
ance control, utilising mains electricity
should be so situated that it cannot be
- 45 -
INSTALLATION
- 45 -
INSTALLATION
GENERAL REQUIREMENTS
touched by a person using the bath or
shower.
The location must permit the provision of an
adequate ue and termination.
For unusual locations special procedures
may be necessary and BS 6798 gives de-
tailed guidance on this aspect.
A compartment used to enclose the appli-
ance must be designed specically for this
purpose. This appliance is not suitable for
external installation.
5.3 Flue system
The provision for satisfactory ue termina-
tion must be made as described in BS 5440
part 1.
For Ireland (IE), refer to I.S.813.2002.
The appliance must be installed so that the
ue terminal is exposed to external air.
It must not be installed so that the terminal
discharges into an other room or space as
an outhouse or lean-to. It is important that
the position of the terminal allows a free
passage of air across at all times.
The terminal should be located with due
regard for the damage or discoloration that
might occur to building products in the vicin-
ity.
In cold and/or humid weather water vapour
may condense on leaving the ue terminal;
the effect of such ”steaming” must be con-
sidered.
Pluming may easily occur at the terminal.
Where possible, terminal position which
could cause a nuisance should be avoided.
The minimum acceptable spacing from
the terminal to obstructions and ventilation
openings are specied in Fig. 5.1.
Fig. 5.1
A
BC
E
F
G
I
JK L
M
N
H
I
O
P
Q
D
I
I
I
Terminal position mm
ADirectly below the window or
other opening 300
BBelow gutters, soil pipes or
drain pipes 75
CBelow eaves 200
DBelow balconies* 600
EBelow car port roof NO
FFrom vertical drain pipes and
soil pipes 150
GFrom internal corners** 450
HFrom external corners 300
IAbove ground or balcony lev-
el*** 300
JFrom a wall or surface 600
KFrom a terminal facing a termi-
nal 2500
LFrom an opening in the car port
(e.g. door, window) into dwell-
ing NO
MVertically from a terminal in the
same wall 1500
NHorizontally from a terminal in
the same wall 300
OAbove the roof pitch with roof
slope less than or equal to 30° 350
OAbove the roof pitch with roof
slope more than 30° 600
PFrom wall face 600
- 46 -
INSTALLATION
- 46 -
INSTALLATION
GENERAL REQUIREMENTS
QFrom, above or to side of an
opening 600
* Wherever practicable to do so, the ue
should be extended beyond the perim-
eter of the balcony
** Consideration should be given to adding
protection against condensate to the ad-
jacent structure
*** Wall terminals with horizontal discharge
less than 2.5 m from a car parking space
and less than 2,1 m above the ground.
Wall terminals less than 2,1 m above the
ground with horizontal discharge of the
ue products across a public footway, or
a frequently used private access route,
or a patio (hard surface area).
5.4 Gas supply
The Gas meter is connected to the service
pipe by the local gas region or a local gas
region contractor.
If the gas supply for the boiler serves other
appliances ensure that an adequate supply
is available both to the boiler and the other
appliance when they are in use at the same
time.
Pipework must be of adequate size. Pipes
of a smaller size than the boiler inlet con-
nection should not be used.
Installation pipes should be tted in accord-
ance with BS 6891 and the complete instal-
lation should be tested for tightness.
For Ireland (IE), refer to I.S.813.2002.
5.5 Air supply
The room in which the boiler is installed
does not require a purpose provided air
vent.
5.6 Ventilation
If installed in a cupboard or compartment, it
is not necessary to provide additional venti-
lation for cooling for this particular product.
However consideration must be given to
clearance requirements for maintenance
(section "Precautions for installation" to
page 50) and under no circumstances must
stored articles be allowed to come into con-
tact with the boiler or ue pipe.
5.7 Condensate drain
Ensure that the condensate discharge com-
plies with the national or local regulations
in force.
The condensate pipe must be tted in ac-
cordance with Building Regulations.
Drain pipe material should be resistant to
acid as the condensate is slightly acid with
a pH less than 6.5.
The boiler includes a trap (30 on page ) 28
that prevents the combustion products en-
tering the drain.
The boilers incorporate a condensate trap
with a 75 mm seal to comply with BS 6798:
2008.
The schematic diagrams of possible con-
nections are given in and .Fig. 5.2 Fig. 5.3
The length of the condensate pipe should
be kept to a minimum, any external pipe
should not be more than 3 m in 32 mm pipe
and insulated to prevent freezing.
To avoid condensate being trapped:
• the drain pipe should be run with a fall of
at least 2.5° (45 mm/m) away from the
boiler;
• the number of bends and joints should be
kept at minimum;
• the drain pipe should be adequately xed
to prevent pipe sagging.
If a part of the drainpipe runs externally this
part should be kept as short as possible and
protected to reduce the risk of freezing.
- 47 -
INSTALLATION
- 47 -
INSTALLATION
GENERAL REQUIREMENTS
Fig. 5.2
Co ainnecti teon of condensa dr nage pipe to
int
ernal soil and vent stack.
Dime io inns ns mm
450
A
Condensate
drain
B
C D
A Boiler
B Internal soil and vent stack
C Invert
D 450 mm up to three storeys
Fig. 5.3
Dimensions in mm
Co ainnecti teon of condensa dr nage pipe
downstream of a sink waste trap
A
Condensate
drain
E
F
A Boiler
E Sink
F Open end of condensate drainage pipe
direct into gully below grating but above
water level
5.8 Water circulation (c.h.)
Detailed recommendations are given in BS
6798, BSEN 12828: 2003, BSEN 12831:
2003 & BSEN 14446: 2004; the following
notes are given for general guidance.
For Ireland (IE), refer to I.S.813.2002.
Pipework
Copper tubing to BSEN 1057 is recom-
mended for water pipes. Jointing should be
either with capillary soldered or with com-
pression ttings.
Where possible pipes should have a gradi-
ent to ensure air is carried naturally to air
release points and water ows naturally to
drain taps.
The appliance has a built-in automatic air
release valve, it should be ensured as far as
possible that the appliance heat exchanger
is not a natural collecting point for air.
Except where providing useful heat, pipes
should be insulated to prevent heat loss and
to avoid freezing.
Particular attention should be paid to pipes
passing through ventilated spaces in roofs
and under oors.
By-pass
The appliance includes an automatic by-
pass valve which protects the main heat
exchanger in case of reduced or interrupted
water circulation through the heating system
due to the closing of thermostatic valves or
cock-type valves within the system.
The by-pass is calibrated to assure a mini-
mum ow of 200-300 lts/hr through the main
heat exchanger.
If you are installing a system that includes
thermostatic radiator valves (TRV) and/or
small bore (8-10 mm) it may be necessary
to t an external by-pass to facilitate correct
operation of the boiler.
The tting of an external bypass helps to
prevent and limit system noise.
Air release points
These must be tted a tall high points where
air will natural collect and must be sited to
facilitate complete lling of the system.
- 48 -
INSTALLATION
- 48 -
INSTALLATION
GENERAL REQUIREMENTS
Expansion vessel
The appliance has an integral sealed expan-
sion vessel to accommodate the increase of
water volume when the system is heated.
Refer to Fig. 4.5 on page 31 for its techni-
cal data.
If the heating circuit has an unusually high
water content, calculate the total expansion
and add an additional sealed expansion
vessel with adequate capacity.
Mains water feed: central heating
There must be no direct connection to the
mains water supply even through a non re-
turn valve, without the approval of the Local
Water Authority.
Mains water feed: hot water supply
The domestic section of the boiler is de-
signed to withstand an internal domestic
water pressure of 10 bar. Where it is likely
that the mains domestic water pressure may
exceed 5 bar, it is possible due to internal
“water hammer” effects that the pressure
within the domestic system can increase to
a level in excess of the 10 bar limit.
In these circumstances it is therefore rec-
ommended that a 3 bar pressure reducing
valve be tted to the incoming mains wa-
ter supply and a mini expansion vessel in-
stalled on the domestic circuit.
These devices will protect the boiler and the
domestic system from damage due to ex-
cessive domestic water pressure.
Filling
A method for initially lling the system and
replacing water lost during servicing must
be provided and it must comply with local
water authority regulations.
The correct method is shown in Fig. 5.4.
The temporary connection must be re-
moved immediately after lling.
Fig. 5.4
Temporary
conn tiec
on
Control valve
Control valve
Do leub check valv
e
Supply pipe
(c
old wat iner let)
C.h. re rntu pipe
The installer should ensure that no leaks ex-
ist either inside the boiler or on the system
as frequent lling of the system could cause
premature scaling of the heat exchanger.
5.9 Domestic water
The domestic water installation must be in
accordance with the relevant recommenda-
tions of BS 5546. Copper tubing to BS EN
1057 is recommended for water carrying
pipework and must be use for pipework car-
rying potable water.
For Ireland (IE), refer to I.S.813.2002.
5.10 Water treatment
C.h. circuit
Where a new boiler is tted to a new sys-
tem with either plastic or copper pipes, it
is important the system is fully ushed, on
completion, to ensure ux residues, swarfs,
oils and other installation debris is removed.
Where a new boiler is tted to an existing
system, it is important the debris from the
existing system is fully removed in order to
ensure the efciency of the new appliance
is maintained.
Details on ushing procedure are given in
the section "Initial lling of the system" to
page 64 of this manual.
D.h.w. circuit (scale protection)
In areas where the water is ’hard’ (i.e. more
than 200 ppm total hardness as dened by

Product specificaties

Merk: Biasi
Categorie: Ketel & boiler
Model: Inovia Combi 30C ERP

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