Drayton Erie Digistat 3 Handleiding


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13 . Continue to press the “SET?” button to
advance through the week (1 – 5).When
the display is as shown here, press the
Yes (–) button if you wish to view or alter
the times for Sat.-Sun. (6-7). Repeat steps
9-12 as required.
14 . Continue to press “SET?” button until you
return to normal operating mode with a
display similar to the one shown here.
TO VIEW OR CHANGE THE FACTORY SETTINGS
(steps 6-14)
6. Press the “SET?” button until this
display is shown.
7. Press the Yes (–) button.You have
selected the Monday to Friday part of the
programme.
8. Press the Yes (–) button again.This tells
you that at 6.30 a.m., the heating system
will control your home at 20°C. If you wish
to alter the temperature use the + and –
buttons.
9. Press the “SET?” button.The time will now
flash. If you wish to alter the switching time
use the + and – buttons.This will change
the switching time in 10 minute steps.
10. Press the “SET?” button, this tells you that
at 8.30 a.m., the heating system will control
your home at 16°C. If you wish to alter
this temperature use the + and – buttons.
11. Continue to press the “SET?” button as in
steps 9 and 10 above to advance through
the times and temperatures for Mon. to Fri.
(1-5). If you wish to alter any of the times
and temperatures use the + and – button,
when the one you wish to alter is flashing.
12. Once Mon. to Fri. have been set, the
display will show as here.This means do
you want to set the times for Monday (1)
differently from the rest of the week? If
you do, press the Yes (–) Button, and
follow the routine as steps 9 to 11.
Drayton
Digistat 3
7 Day programmable
room thermostat
Installation and
operating instructions
CONFORMS TO THE ESSENTIAL REQUIREMENTS
OF THE FOLLOWING DIRECTIVES:
89/336/EEC – Electromagnetic compatibility
73/23/EEC – Low voltage directive
Siebe Climate Controls Limited
Chantry Close, West Drayton, Middlesex UB7 7SP
Telephone: (01895) 444012 Sales Fax: (01895) 421901
Technical Helpline Telephone: (01895) 460444
A Invensys product
Siebe Climate Controls continuously seek to improve products and reserve the right 090 714
to make changes without notice 1099
OPERATING MODES
The Digistat can be operated in one of three modes.
1) Timed, all preset times and temperatures
2) Continuous night temperature (useful for low
limit temperature protection when on holiday)
3) Continuous ‘DAY 1’ temperature
Use the SELECT button to change the operating mode to suit your require-
ments, the symbols are positioned on the right hand side of the display.
TEMPERATURE OVERRIDE
If at anytime during normal operation, you wish to temporarily increase or
decrease the set temperature use the + or – buttons to change to your
desired setting. This can be done without entering the SET mode. Five
seconds after releasing the + or – button the display will revert to showing
the actual room temperature.The Digistat will now control the temperature
to the override setting until the next programmed switching time, when it
will revert to the times and temperatures you have already programmed.
BATTERY REPLACEMENT
30 days before the batteries need re-placing, a
battery symbol will flash in the right hand side of the
display (Diagram C). This signifies that two 1.5V
type AA alkaline batteries will be needed to
replace the existing ones. If battery replacement is
carried out in this condition the programmed
settings will only be held in the memory for a
maximum of one minute, after which re-programming may be necessary.
IMPORTANT
To avoid the possibility of having to re-programme
the switching times and temperatures, it is advisable
to wait until the display with a flashing battery
symbol changes to a continuous battery only
display (after 30 days – Diagram D). In this
condition the unit will remain OFF but your
programmed settings will be held in memory for a number of weeks. The
battery compartment can now be left open, to replace the batteries, for
approximately one hour. If the compartment is left open for longer, the unit
will revert to the factory preset times and temperatures. It may be necessary
to reset the correct time of day after changing the batteries.
The battery compartment is situated at the bottom of the unit (press to
unlatch and slide down). Ensure new batteries are installed correctly.
HELPFUL HINTS
1) First/Last Set Times The Day 1 setting cannot be programmed
before 12.00 am.The night setting can be programmed at whatever time
you require, even after 12.00 am (midnight) so long as it is not programmed
more than 23 hours 50 minutes after the Day 1 setting.
2) Part or Full Day Omission If during programming the Digistat one of
the symbols on the left hand side of the screen starts to flash, this indicates
that two or more of the switching times have been set to the same time.
This facility enables you to omit one or more of the switched periods.
When one or more switching times are programmed together the later setting
takes precedent. For example, if all four switching times were set together
the Digistat would control continuously at the fourth (night) temperature
setting .
3) Programme Sequence The Digistat will not allow you to program the
switched periods out of sequence but will hold the times together as stated
above.
4) Reset If at any time during the programming you get confused and would
like to start the procedure from the beginning press the SELECT and –
buttons at the same time and hold for two seconds.This resets the Digistat to
the factory preset times and temperatures shown in the table (overleaf).
5) Self Revert
If during programming no button is pressed for between one and two minutes
the Digistat will revert automatically to its normal operating mode.
1
Diagram C
Diagram D
1
Wiring (schematic) Wall plate clearances
See ‘IMPORTANT’ note
in box opposite.
Maintenance
No regular maintenance is required for this product.
Note: If Digistat 3 has replaced a standard room thermostat and a programmer
is also incorporated in the control system, it is suggested that the central heating
(C.H.) channel is switched to on/continuous/24hrs. Operation of the central
heating times and temperature will be controlled by Digistat 3.
Digistat 3
7 Day programmable room thermostat
Installation and operating instructions
GENERAL DESCRIPTION
Digistat 3 is a sophisticated 7 day programmable room thermostat designed
for use in normal operating environments. Featuring 7 day or 5/2 day
programming, four time/temperature settings and night set-back, it provides
greater levels of comfort and economy for new or existing central heating
systems. The result of our continuous development programme, Digistat 3
combines ease of use with proven reliability.
ELECTRICAL CONNECTIONS
If the Digistat is to be used as a direct replacement for an existing room
thermostat refer to the table below which shows the wiring conversion
necessary for correct operation.
Make/model Common Demand Satisfied Neutral Earth
Drayton Digistat 3* 1 3 2 Not required
Drayton RTS 1&2 L 3 N
ACL TS142 1 2 4 E
ACL TA350 1 3 2 5
Drayton RT/RTE 1 2 3 4
Honeywell 6060/6160 1 3 4 2
Satchwell TLX 2259 3 1 4 E
* Digistat is battery operated and double insulated therefore neutral and earth
connections are not required. Unused existing cables should be safely isolated.
SPECIFICATION
Temperature range : 5°C to 30°C, set in 1ºC steps
16°C to 30°C (selectable)
Power supply : Two type AA1.5v alkaline cells – supplied
(typical battery life two years)
Switch rating : 2 (1) A 230V 50 HZ
Switch type: S.P.D.T. relay (volt free)
Temperature sensor : Electronic
Timing resolution : 1 minute
Programming resolution : 10 minutes
Mounting : Suitable for surface or conduit box mounting
Wiring : Designed for fixed wiring only, to comply with
current IEE regulations
REPLACING EXISTING ROOM THERMOSTAT
Before any existing room thermostat is removed, note the position and colour
of wires already connected. Follow the instructions below for ‘new installations’
referring to the conversion chart overleaf if the function of each wire is not known.
NEW INSTALLATION
Location
Care should be taken to mount the Digistat in a position which is not subject to
direct sunlight or draughts. Preferably it should be mounted on an inside wall
about 1.5M (5ft) above the floor in a position where it can respond to room
temperature but away from the direct influence of radiators or other appliances
giving off heat. Minimum wall plate clearances are shown.
Installation
If you do not have the knowledge to install the Digistat safely arrange for a
competent electrician to do the job for you. Wiring should conform to the
current IEE regulations.
Fixing
1. Loosen the securing screw, remove the wall-plate and, if surface wiring is to be
used, snap out the cable entry panel on the bottom edge of the Digistat using
a pair of pliers.
2. Fix the wall-plate, terminals at the top, either direct onto a flat wall using wall
plugs and No 6 x 1" woodscrews or on a flush mounting single conduit box
using M 3.5 x 14 screws.
3. Complete the wiring to the wall-plate in accordance with the diagram below.
4. Note: the Digistat comes preset with a temperature range of 5ºC to 30ºC. If
you wish to select the optional range of 16ºC to 30ºC, remove the blue
selector pin at the rear of the unit before fitting.
5. Plug the Digistat onto the wall-plate and tighten the securing screw.
6. Before switching on the mains ENSURE THE CIRCUIT FUSE IS 3A.
WARNING
Isolate mains supply before fitting Digistat or removing an existing room
thermostat.
A switch having contact separation of at least 3mm in all poles must be
incorporated in the fixed wiring as a means of providing full
disconnection of the mains supply.
IMPORTANT
If the previous room thermostat used a neutral and/or earth supply,
these should not be connected to the Digistat and should be
safely isolated.
1 2 3
50 mm minimum clearanc
e
70 mm minimum clearanc
e
1 3
Common
Heating
satisfied
Call f
o
heat
DIGISTAT
SETTING THE TIME OF DAY (steps 1-4)
The diagram next to each step description shows resulting display.
1. Press “SET?” button
2. Press “Yes” (–) button.The hours
will flash as this diagram. Use the +
and – buttons to set correct hour.
3. Press “SET?” button again and the
minutes will flash, use + and –
buttons to set correct minute time.
4. Press “SET?” button, day of the week
will flash, 1= Monday, 7= Sunday, use
+ and – buttons to set correct day.
5. Press “SET?” button twice to return
to normal operating mode.
PRE-PROGRAMMED TIMES AND TEMPERATURES
The Digistat 3 comes with the following preset programme.
Symbol Mon-Fri Sat-Sun Temperature
Time Time
6.30 am 7.00 am 20°C
8.30 am 9.00 am 16°C
4.30 pm 4.00 pm 21°C
10.30 pm 11.00 pm 7°C*
* 16°C if selector pin removed, see installation instructions
INITIAL START UP
Open the battery compartment situated at the
bottom left hand corner (press to unlatch and slide
down). Remove the insulator strip from between
the batteries and their contacts and close the
compartment.
The unit will now display the actual room
temperature and time at 12.00 am, midnight
(Diagram A).
If the unit has been stored in a cold place, it may
take time to warm up.
Digistat 3 has an indicator to show
when the heating system is ON or OFF, e.g. if the
SET temperature is 20°C and the actual room
temperature is below 20°C a flame symbol will appear on the display
(Diagram B).This indicates a demand for heat (system will switch ON).
During normal operation, the Digistat 3 will display actual room
temperature continuously.
SYSTEM OFF
SYSTEM ON
Diagram A
Diagram B
Continued overleaf


Product specificaties

Merk: Drayton Erie
Categorie: Thermostaat
Model: Digistat 3

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