Daikin RXTM40R2V1B Handleiding

Daikin Airco RXTM40R2V1B

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Installer reference guide
R32 split series
RXTA30B2V1B
RXTM30R2V1B
RXTM40R2V1B
RXTP25R2V1B
RXTP35R2V1B
ARXTP25R2V1B
ARXTP35R2V1B
Table of contents
Installer reference guide
2
RXTM-R_RXTP-R_ARXTP-R_RXTA-B
R32 split series
4P518023-11H – 2021.03
Table of contents
1 About the documentation 4
1.1 About this document ...................................................................................................................................................... 4
1.1.1 Meaning of warnings and symbols ................................................................................................................ 5
2 General safety precautions 7
2.1 For the installer............................................................................................................................................................... 7
2.1.1 General ........................................................................................................................................................... 7
2.1.2 Installation site ............................................................................................................................................... 8
2.1.3 Refrigerant — in case of R410A or R32.......................................................................................................... 11
2.1.4 Electrical ......................................................................................................................................................... 12
3 Specific installer safety instructions 15
4 About the box 21
4.1 Overview: About the box................................................................................................................................................ 21
4.2 Outdoor unit ................................................................................................................................................................... 21
4.2.1 To unpack the outdoor unit ........................................................................................................................... 21
4.2.2 To handle the outdoor unit............................................................................................................................ 21
4.2.3 To remove the accessories from the outdoor unit........................................................................................ 22
5 About the unit 23
5.1 Identification ................................................................................................................................................................... 23
5.1.1 Identification label: Outdoor unit .................................................................................................................. 23
6 Unit installation 24
6.1 Preparing the installation site......................................................................................................................................... 24
6.1.1 Installation site requirements of the outdoor unit........................................................................................ 25
6.1.2 Additional installation site requirements of the outdoor unit in cold climates............................................ 27
6.2 Opening the unit ............................................................................................................................................................. 28
6.2.1 About opening the unit .................................................................................................................................. 28
6.2.2 To open the outdoor unit............................................................................................................................... 28
6.3 Mounting the outdoor unit............................................................................................................................................. 28
6.3.1 About mounting the outdoor unit ................................................................................................................. 28
6.3.2 Precautions when mounting the outdoor unit.............................................................................................. 29
6.3.3 To provide the installation structure ............................................................................................................. 29
6.3.4 To install the outdoor unit ............................................................................................................................. 30
6.3.5 To provide drainage........................................................................................................................................ 30
6.3.6 To prevent the outdoor unit from falling over .............................................................................................. 30
7 Piping installation 32
7.1 Preparing refrigerant piping ........................................................................................................................................... 32
7.1.1 Refrigerant piping requirements.................................................................................................................... 32
7.1.2 Refrigerant piping insulation.......................................................................................................................... 33
7.1.3 Refrigerant piping length and height difference ........................................................................................... 33
7.2 Connecting the refrigerant piping .................................................................................................................................. 33
7.2.1 About connecting the refrigerant piping ....................................................................................................... 33
7.2.2 Precautions when connecting the refrigerant piping.................................................................................... 34
7.2.3 Guidelines when connecting the refrigerant piping ...................................................................................... 35
7.2.4 Pipe bending guidelines ................................................................................................................................. 36
7.2.5 To flare the pipe end ...................................................................................................................................... 36
7.2.6 Using the stop valve and service port............................................................................................................ 36
7.2.7 To connect the refrigerant piping to the outdoor unit ................................................................................. 38
7.3 Checking the refrigerant piping ...................................................................................................................................... 38
7.3.1 About checking the refrigerant piping........................................................................................................... 38
7.3.2 Precautions when checking the refrigerant piping........................................................................................ 39
7.3.3 To check for leaks........................................................................................................................................... 39
7.3.4 To perform vacuum drying............................................................................................................................. 40
8 Charging refrigerant 42
8.1 About charging refrigerant ............................................................................................................................................. 42
8.2 About the refrigerant...................................................................................................................................................... 43
8.3 Precautions when charging refrigerant.......................................................................................................................... 44
8.4 To determine the additional refrigerant amount .......................................................................................................... 44
8.5 To determine the complete recharge amount .............................................................................................................. 44
8.6 To charge additional refrigerant..................................................................................................................................... 44
8.7 To fix the fluorinated greenhouse gases label ............................................................................................................... 45
Table of contents
Installer reference guide
3
RXTM-R_RXTP-R_ARXTP-R_RXTA-B
R32 split series
4P518023-11H – 2021.03
9 Electrical installation 46
9.1 About connecting the electrical wiring .......................................................................................................................... 46
9.1.1 Precautions when connecting the electrical wiring....................................................................................... 46
9.1.2 Guidelines when connecting the electrical wiring......................................................................................... 48
9.1.3 Specifications of standard wiring components.............................................................................................. 49
9.2 To connect the electrical wiring to the outdoor unit..................................................................................................... 49
10 Finishing the outdoor unit installation 51
10.1 To finish the outdoor unit installation............................................................................................................................ 51
10.2 Closing the unit ............................................................................................................................................................... 51
10.2.1 To close the outdoor unit............................................................................................................................... 51
11 Configuration 52
11.1 Facility setting ................................................................................................................................................................. 52
11.1.1 To set the facility mode.................................................................................................................................. 52
12 Commissioning 53
12.1 Overview: Commissioning .............................................................................................................................................. 53
12.2 Precautions when commissioning.................................................................................................................................. 53
12.3 Checklist before commissioning..................................................................................................................................... 54
12.4 Checklist during commissioning ..................................................................................................................................... 54
12.5 To perform a test run...................................................................................................................................................... 54
12.6 Starting up the outdoor unit........................................................................................................................................... 55
13 Hand-over to the user 56
14 Maintenance and service 57
14.1 Overview: Maintenance and service .............................................................................................................................. 57
14.2 Maintenance safety precautions.................................................................................................................................... 57
14.3 Checklist for yearly maintenance of the outdoor unit................................................................................................... 58
14.4 About the compressor .................................................................................................................................................... 58
14.5 Winter season ................................................................................................................................................................. 58
15 Troubleshooting 59
15.1 Overview: Troubleshooting ............................................................................................................................................ 59
15.2 Precautions when troubleshooting ................................................................................................................................ 59
15.3 Solving problems based on symptoms........................................................................................................................... 59
15.3.1 Symptom: Indoor units fall, vibrate or make noise ....................................................................................... 59
15.3.2 Symptom: The unit is NOT heating or cooling as expected........................................................................... 60
15.3.3 Symptom: Water leakage............................................................................................................................... 60
15.3.4 Symptom: Electrical leakage .......................................................................................................................... 60
15.3.5 Symptom: Unit does NOT function or burn damage..................................................................................... 60
15.4 Fault diagnosis using LED on outdoor unit PCB.............................................................................................................. 60
16 Disposal 61
16.1 Overview: Disposal.......................................................................................................................................................... 61
16.2 To pump down................................................................................................................................................................ 61
16.3 To start and stop forced cooling..................................................................................................................................... 62
16.3.1 To start and stop forced cooling using the indoor unit ON/OFF switch ....................................................... 62
16.3.2 To start and stop forced cooling using the indoor unit user interface ......................................................... 62
17 Technical data 63
17.1 Wiring diagram................................................................................................................................................................ 63
17.1.1 Unified wiring diagram legend ....................................................................................................................... 63
17.2 Piping diagram ................................................................................................................................................................ 66
17.2.1 Piping diagram: Outdoor unit......................................................................................................................... 66
18 Glossary 67
1 About the documentation |
Installer reference guide
4
RXTM-R_RXTP-R_ARXTP-R_RXTA-B
R32 split series
4P518023-11H – 2021.03
1 About the documentation
1.1 About this document
INFORMATION
Make sure that the user has the printed documentation and ask him/her to keep it
for future reference.
Target audience
Authorised installers
WARNING
Make sure installation, servicing, maintenance, repair and applied materials follow
the instructions from Daikin and, in addition, comply with applicable legislation and
are performed by qualified persons only. In Europe and areas where IEC standards
apply, EN/IEC 60335-2-40 is the applicable standard.
INFORMATION
This document only describes installation instructions specific to the outdoor unit.
For installation of the indoor unit (mounting the indoor unit, connecting the
refrigerant piping to the indoor unit, connecting the electrical wiring to the indoor
unit …), see the installation manual of the indoor unit.
Documentation set
This document is part of a documentation set. The complete set consists of:
â–ªGeneral safety precautions:
-Safety instructions that you MUST read before installing
-Format: Paper (in the box of the outdoor unit)
â–ªOutdoor unit installation manual:
-Installation instructions
-Format: Paper (in the box of the outdoor unit)
â–ªInstaller reference guide:
-Preparation of the installation, reference data,…
-Format: Digital files on http://www.daikineurope.com/support-and-manuals/
product-information/
Latest revisions of the supplied documentation may be available on the regional
Daikin website or via your dealer.
The original documentation is written in English. All other languages are
translations.
Technical engineering data
â–ªA of the latest technical data is available on the regional Daikin websitesubset
(publicly accessible).
â–ªThe of latest technical data is available on the Daikin Business Portalfull set
(authentication required).
1 About the documentation |
Installer reference guide
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RXTM-R_RXTP-R_ARXTP-R_RXTA-B
R32 split series
4P518023-11H – 2021.03
Symbol Explanation
Indicates a table title or a reference to it.
Example: " 1–3 Table title" means "Table 3 in chapter 1".
2 General safety precautions |
Installer reference guide
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RXTM-R_RXTP-R_ARXTP-R_RXTA-B
R32 split series
4P518023-11H – 2021.03
2 General safety precautions
2.1 For the installer
2.1.1 General
If you are NOT sure how to install or operate the unit, contact your dealer.
DANGER: RISK OF BURNING/SCALDING
â–ªDo NOT touch the refrigerant piping, water piping or internal parts during and
immediately after operation. It could be too hot or too cold. Give it time to return
to normal temperature. If you must touch it, wear protective gloves.
â–ªDo NOT touch any accidental leaking refrigerant.
WARNING
Improper installation or attachment of equipment or accessories could result in
electrical shock, short-circuit, leaks, fire or other damage to the equipment. Only use
accessories, optional equipment and spare parts made or approved by Daikin.
WARNING
Make sure installation, testing and applied materials comply with applicable
legislation (on top of the instructions described in the Daikin documentation).
CAUTION
Wear adequate personal protective equipment (protective gloves, safety glasses,…)
when installing, maintaining or servicing the system.
WARNING
Tear apart and throw away plastic packaging bags so that nobody, especially
children, can play with them. Possible risk: suffocation.
WARNING
Provide adequate measures to prevent that the unit can be used as a shelter by small
animals. Small animals that make contact with electrical parts can cause
malfunctions, smoke or fire.
CAUTION
Do NOT touch the air inlet or aluminium fins of the unit.
CAUTION
â–ªDo NOT place any objects or equipment on top of the unit.
â–ªDo NOT sit, climb or stand on the unit.
NOTICE
Works executed on the outdoor unit are best done under dry weather conditions to
avoid water ingress.
2 General safety precautions |
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RXTM-R_RXTP-R_ARXTP-R_RXTA-B
R32 split series
4P518023-11H – 2021.03
In accordance with the applicable legislation, it might be necessary to provide a
logbook with the product containing at least: information on maintenance, repair
work, results of tests, stand-by periods,…
Also, at least, following information MUST be provided at an accessible place at the
product:
â–ªInstructions for shutting down the system in case of an emergency
â–ªName and address of fire department, police and hospital
â–ªName, address and day and night telephone numbers for obtaining service
In Europe, EN378 provides the necessary guidance for this logbook.
2.1.2 Installation site
â–ªProvide sufficient space around the unit for servicing and air circulation.
â–ªMake sure the installation site withstands the weight and vibration of the unit.
â–ªMake sure the area is well ventilated. Do NOT block any ventilation openings.
â–ªMake sure the unit is level.
Do NOT install the unit in the following places:
â–ªIn potentially explosive atmospheres.
â–ªIn places where there is machinery that emits electromagnetic waves.
Electromagnetic waves may disturb the control system, and cause malfunction of
the equipment.
â–ªIn places where there is a risk of fire due to the leakage of flammable gases
(example: thinner or gasoline), carbon fibre, ignitable dust.
â–ªIn places where corrosive gas (example: sulphurous acid gas) is produced.
Corrosion of copper pipes or soldered parts may cause the refrigerant to leak.
Instructions for equipment using R32 refrigerant
WARNING: MILDLY FLAMMABLE MATERIAL
The refrigerant inside this unit is mildly flammable.
WARNING
â–ªDo NOT pierce or burn.
â–ªDo NOT use means to accelerate the defrosting process or to clean the
equipment, other than those recommended by the manufacturer.
â–ªBe aware that R32 refrigerant does NOT contain an odour.
WARNING
The appliance shall be stored so as to prevent mechanical damage and in a well-
ventilated room without continuously operating ignition sources (example: open
flames, an operating gas appliance or an operating electric heater) and have a room
size as specified below.
WARNING
Make sure installation, servicing, maintenance and repair comply with instructions
from Daikin and with applicable legislation (for example national gas regulation) and
are executed only by authorised persons.
2 General safety precautions |
Installer reference guide
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RXTM-R_RXTP-R_ARXTP-R_RXTA-B
R32 split series
4P518023-11H – 2021.03
WARNING
If one or more rooms are connected to the unit using a duct system, make sure:
â–ªthere are no operating ignition sources (example: open flames, an operating gas
appliance or an operating electric heater) in case the floor area is less than the
minimum floor area A (m²).
â–ªno auxiliary devices, which may be a potential ignition source, are installed in the
duct work (example: hot surfaces with a temperature exceeding 700°C and
electric switching device);
â–ªonly auxiliary devices approved by the manufacturer are used in the duct work;
â–ªair inlet AND outlet are connected directly to the same room by ducting. Do NOT
use spaces such as a false ceiling as a duct for the air inlet or outlet.
NOTICE
â–ªPrecautions shall be taken to avoid excessive vibration or pulsation to
refrigeration piping.
â–ªProtection devices, piping and fittings shall be protected as far as possible against
adverse environmental effects.
â–ªProvision shall be made for expansion and contraction of long runs of piping.
â–ªPiping in refrigerating systems shall be designed and installed such as to minimise
the likelihood of hydraulic shock damaging the system.
â–ªThe indoor equipment and pipes shall be securely mounted and guarded such
that accidental rupture of equipment or pipes cannot occur from events such as
moving furniture or reconstruction activities.
CAUTION
Do NOT use potential sources of ignition in searching for or detection of refrigerant
leaks.
NOTICE
â–ªDo NOT re-use joints and copper gaskets which have been used already.
â–ªJoints made in installation between parts of refrigerant system shall be accessible
for maintenance purposes.
Installation space requirements
WARNING
If appliances contain R32 refrigerant, the floor area of the room in which the
appliances are installed, operated and stored MUST be larger than the minimum
floor area defined in table below A (m2). This applies to:
â–ªIndoor units a refrigerant leakage sensor; in case of indoor units without with
refrigerant leakage sensor, consult the installation manual
â–ªOutdoor units installed or stored indoors (e.g. winter garden, garage, machinery
room)
NOTICE
â–ªPipework shall be protected from physical damage.
â–ªInstallation of pipework shall be kept to a minimum.
To determine the minimum floor area
1Determine the total refrigerant charge in the system (= factory refrigerant
charge + additional refrigerant amount charged).
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RXTM-R_RXTP-R_ARXTP-R_RXTA-B
R32 split series
4P518023-11H – 2021.03
Contains fluorinated greenhouse gases
2
11
1
2
2kg
tCO
2
eq
1000
GWP × kg
=
=
+
kg
=
kg
=
GWP: xxx
R32
2Determine which graph or table to use.
â–ªFor indoor units: Is the unit ceiling-mounted, wall-mounted or floor-
standing?
â–ªFor outdoor units installed or stored indoors, this depends on the installation
height:
If the installation height is… Then use the graph or table for…
<1.8m Floor-standing units
1.8≤x<2.2m Wall-mounted units
≥2.2m Ceiling-mounted units
3Use the graph or table to determine the minimum floor area.
0
10
20
30
40
50 60
70 80
90100
110
120
130140
150160
170180
190200
210
220
230
240
250
260
270
280
290
300
310320
330340
350360
370380
390
400
410
420
430
440
450
460
470
480
490
500
510520
530
540
550560
570580
590600
610
620
630
640
650
660
670
680
690
700
710720
730
740
750760
770
1.843
9.55
2.21.8 2.4 2.8 3.2 3.6 4 4.4 4.8 5.2 5.6 6 6.4 6.8 7.2 7.6 8 8.4 8.8 9.22
2.6 3 3.4 3.8 4.2 4.6 5 5.4 5.8 6.2 6.6 7 7.4 7.8 8.2 8.6 9 9.4
Floor-standing unit
(c)
Wall-mounted unit
(b)
Ceiling-mounted unit
(a)
m [kg]
Amin [m2]
Ceiling-mounted
unit(a)
4.6 13.4 4.6 180
4.8 14.6 4.8 196
5.0 15.8 5.0 213
≤1.842 —
5.2 17.1
≤1.842 —
5.2 230
1.843 3.64
5.4 18.5
1.843 28.9
5.4 248
2.0 3.95
5.6 19.9
2.0 34.0
5.6 267
2.2 4.34
5.8 21.3
2.2 41.2
5.8 286
2.4 4.74
6.0 22.8
2.4 49.0
6.0 306
2.6 5.13
6.2 24.3
2.6 57.5
6.2 327
2.8 5.53
6.4 25.9
2.8 66.7
6.4 349
3.0 5.92
6.6 27.6
3.0 76.6
6.6 371
3.2 6.48
6.8 29.3
3.2 87.2
6.8 394
3.4 7.32
7.0 31.0
3.4 98.4
7.0 417
3.6 8.20
7.2 32.8
3.6 110
7.2 441
3.8 9.14
7.4 34.7
3.8 123
7.4 466
4.0 10.1
7.6 36.6
4.0 136
7.6 492
4.2 11.2
7.8 38.5
4.2 150
7.8 518
4.4 12.3 4.4 165
m (kg) Amin (m2)
4.6 20.0
4.8 21.8
5.0 23.6
≤1.842 —
5.2 25.6
1.843 4.45
5.4 27.6
2.0 4.83
5.6 29.7
2.2 5.31
5.8 31.8
2.4 5.79
6.0 34.0
2.6 6.39
6.2 36.4
2.8 7.41
6.4 38.7
3.0 8.51
6.6 41.2
3.2 9.68
6.8 43.7
3.4 10.9
7.0 46.3
3.6 12.3
7.2 49.0
3.8 13.7
7.4 51.8
4.0 15.1
7.6 54.6
4.2 16.7
7.8 57.5
4.4 18.3
8 40.5
8.2 42.6
8.4 44.7
8.6 46.8
8.8 49.0
9 51.3
9.2 53.6
9.4 55.9
9.55 57.7
8 60.5
8.2 63.6
8.4 66.7
8.6 69.9
8.8 73.2
9 76.6
9.2 80.0
9.4 83.6
9.55 86.2
8 545
8.2 572
8.4 601
8.6 629
8.8 659
9 689
9.2 720
9.4 752
9.55 776
Wall-mounted
unit(b)
m (kg) Amin (m2)
Floor-standing
unit(c)
m (kg) Amin (m2)
mTotal refrigerant charge in the system
Amin Minimum floor area
(a) Ceiling-mounted unit (= Ceiling-mounted unit)
(b) Wall-mounted unit (= Wall-mounted unit)
(c) Floor-standing unit (= Floor-standing unit)
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Installer reference guide
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RXTM-R_RXTP-R_ARXTP-R_RXTA-B
R32 split series
4P518023-11H – 2021.03
2.1.3 Refrigerant — in case of R410A or R32
If applicable. See the installation manual or installer reference guide of your
application for more information.
NOTICE
Make sure refrigerant piping installation complies with applicable legislation. In
Europe, EN378 is the applicable standard.
NOTICE
Make sure the field piping and connections are NOT subjected to stress.
WARNING
During tests, NEVER pressurize the product with a pressure higher than the
maximum allowable pressure (as indicated on the nameplate of the unit).
WARNING
Take sufficient precautions in case of refrigerant leakage. If refrigerant gas leaks,
ventilate the area immediately. Possible risks:
â–ªExcessive refrigerant concentrations in a closed room can lead to oxygen
deficiency.
â–ªToxic gas might be produced if refrigerant gas comes into contact with fire.
DANGER: RISK OF EXPLOSION
Pump down – Refrigerant leakage. If you want to pump down the system, and there
is a leak in the refrigerant circuit:
â–ªDo NOT use the unit's automatic pump down function, with which you can collect
all refrigerant from the system into the outdoor unit. Self-Possible consequence:
combustion and explosion of the compressor because of air going into the
operating compressor.
â–ªUse a separate recovery system so that the unit's compressor does NOT have to
operate.
WARNING
ALWAYS recover the refrigerant. Do NOT release them directly into the environment.
Use a vacuum pump to evacuate the installation.
NOTICE
After all the piping has been connected, make sure there is no gas leak. Use nitrogen
to perform a gas leak detection.
NOTICE
â–ªTo avoid compressor breakdown, do NOT charge more than the specified amount
of refrigerant.
â–ªWhen the refrigerant system is to be opened, refrigerant MUST be treated
according to the applicable legislation.
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R32 split series
4P518023-11H – 2021.03
WARNING
If NOT factory installed, a main switch or other means for disconnection, having a
contact separation in all poles providing full disconnection under overvoltage
categoryIII condition, MUST be installed in the fixed wiring.
WARNING
â–ªONLY use copper wires.
â–ªMake sure the field wiring complies with the applicable legislation.
â–ªAll field wiring MUST be performed in accordance with the wiring diagram
supplied with the product.
â–ªNEVER squeeze bundled cables and make sure they do NOT come in contact with
the piping and sharp edges. Make sure no external pressure is applied to the
terminal connections.
â–ªMake sure to install earth wiring. Do NOT earth the unit to a utility pipe, surge
absorber, or telephone earth. Incomplete earth may cause electrical shock.
â–ªMake sure to use a dedicated power circuit. NEVER use a power supply shared by
another appliance.
â–ªMake sure to install the required fuses or circuit breakers.
â–ªMake sure to install an earth leakage protector. Failure to do so may cause
electrical shock or fire.
â–ªWhen installing the earth leakage protector, make sure it is compatible with the
inverter (resistant to high frequency electric noise) to avoid unnecessary opening
of the earth leakage protector.
CAUTION
â–ªWhen connecting the power supply: connect the earth cable first, before making
the current-carrying connections.
â–ªWhen disconnecting the power supply: disconnect the current-carrying cables
first, before separating the earth connection.
â–ªThe length of the conductors between the power supply stress relief and the
terminal block itself must be as such that the current-carrying wires are tautened
before the earth wire is in case the power supply is pulled loose from the stress
relief.
NOTICE
Precautions when laying power wiring:
â–ªDo NOT connect wiring of different thicknesses to the power terminal block (slack
in the power wiring may cause abnormal heat).
â–ªWhen connecting wiring which is the same thickness, do as shown in the figure
above.
â–ªFor wiring, use the designated power wire and connect firmly, then secure to
prevent outside pressure being exerted on the terminal board.
â–ªUse an appropriate screwdriver for tightening the terminal screws. A screwdriver
with a small head will damage the head and make proper tightening impossible.
â–ªOver-tightening the terminal screws may break them.
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RXTM-R_RXTP-R_ARXTP-R_RXTA-B
R32 split series
4P518023-11H – 2021.03
WARNING
â–ªAfter finishing the electrical work, confirm that each electrical component and
terminal inside the electrical components box is connected securely.
â–ªMake sure all covers are closed before starting up the unit.
NOTICE
Only applicable if the power supply is three‑phase, and the compressor has an ON/
OFF starting method.
If there exists the possibility of reversed phase after a momentary black out and the
power goes on and off while the product is operating, attach a reversed phase
protection circuit locally. Running the product in reversed phase can break the
compressor and other parts.
3 Specific installer safety instructions |
Installer reference guide
15
RXTM-R_RXTP-R_ARXTP-R_RXTA-B
R32 split series
4P518023-11H – 2021.03
3 Specific installer safety instructions
Always observe the following safety instructions and regulations.
To handle the outdoor unit (see "4.2.2To handle the outdoor unit"
"4.2.2To handle the outdoor unit"
"4.2.2To handle the outdoor unit"
"4.2.2To handle the outdoor unit""4.2.2To handle the outdoor unit"[
[
[
[[
4
21]
21]
21]
21]21])
CAUTION
To avoid injury, do NOT touch the air inlet or aluminium fins of the unit.
Unit installation (see "6Unit installation"
"6Unit installation"
"6Unit installation"
"6Unit installation""6Unit installation"[
[
[
[[
4
24]
24]
24]
24]24])
WARNING
Installation shall be done by an installer, the choice of materials and installation shall
comply with the applicable legislation. In Europe, EN378 is the applicable standard.
Installation site (see "6.1Preparing the installation site"
"6.1Preparing the installation site"
"6.1Preparing the installation site"
"6.1Preparing the installation site""6.1Preparing the installation site"[
[
[
[[
4
24]
24]
24]
24]24])
CAUTION
â–ªCheck if the installation location can support the unit's weight. Poor installation is
hazardous. It can also cause vibrations or unusual operating noise.
â–ªProvide sufficient service space.
â–ªDo NOT install the unit so that it is in contact with a ceiling or a wall, as this may
cause vibrations.
WARNING
The appliance shall be stored so as to prevent mechanical damage and in a well-
ventilated room without continuously operating ignition sources (e.g. open flames,
an operating gas appliance, or an operating electric heater). The room size shall be as
specified in the General safety precaution.
Opening the unit (see "6.2Opening the unit"
"6.2Opening the unit"
"6.2Opening the unit"
"6.2Opening the unit""6.2Opening the unit"[
[
[
[[
4
28]
28]
28]
28]28])
DANGER: RISK OF ELECTROCUTION
Do NOT leave the unit unattended when the service cover is removed.
DANGER: RISK OF BURNING/SCALDING
DANGER: RISK OF ELECTROCUTION
Connecting the refrigerant piping (see "7.2Connecting the refrigerant
"7.2Connecting the refrigerant
"7.2Connecting the refrigerant
"7.2Connecting the refrigerant"7.2Connecting the refrigerant
piping"
piping"
piping"
piping"piping"[
[
[
[[
4
33]
33]
33]
33]33])
CAUTION
Piping and joints of a split system shall be made with permanent joints when inside
an occupied space except joints directly connecting the piping to the indoor units.
3 Specific installer safety instructions |
Installer reference guide
16
RXTM-R_RXTP-R_ARXTP-R_RXTA-B
R32 split series
4P518023-11H – 2021.03
CAUTION
â–ªNo brazing or welding on site for units with R32 refrigerant charge during
shipment.
â–ªDuring installation of the refrigeration system, joining of parts with at least one
part charged shall be performed taking into account the following requirements:
inside occupied spaces non permanent joints are not allowed for R32 refrigerant
except for site made joints directly connecting the indoor unit to piping. Site
made joints directly connecting piping to indoor units shall be of non permanent
type.
CAUTION
â–ªUse the flare nut fixed to the unit.
â–ªTo prevent gas leakage, apply refrigeration oil only to the inside of the flare. Use
refrigeration oil for R32.
â–ªDo NOT reuse joints.
CAUTION
â–ªDo NOT use mineral oil on flared part.
â–ªDo NOT reuse piping from previous installations.
â–ªNEVER install a drier to this R32 unit to guarantee its lifetime. The drying material
may dissolve and damage the system.
WARNING
Connect the refrigerant piping securely before running the compressor. If the
refrigerant piping is NOT connected and the stop valve is open when the compressor
is run, air will be sucked in. This will cause abnormal pressure in the refrigeration
cycle, which may result in equipment damage and even injury.
CAUTION
â–ªIncomplete flaring may cause refrigerant gas leakage.
â–ªDo NOT re-use flares. Use new flares to prevent refrigerant gas leakage.
â–ªUse flare nuts that are included with the unit. Using different flare nuts may
cause refrigerant gas leakage.
CAUTION
Do NOT open the valves before flaring is complete. This would cause refrigerant gas
leakage.
DANGER: RISK OF EXPLOSION
Do NOT start the unit if it is vacuumed.
3 Specific installer safety instructions |
Installer reference guide
17
RXTM-R_RXTP-R_ARXTP-R_RXTA-B
R32 split series
4P518023-11H – 2021.03
Charging refrigerant (see "8Charging refrigerant"
"8Charging refrigerant"
"8Charging refrigerant"
"8Charging refrigerant""8Charging refrigerant"[
[
[
[[
4
42]
42]
42]
42]42])
WARNING
The refrigerant inside the unit is mildly flammable, but normally does NOT leak. If the
refrigerant leaks in the room and comes in contact with fire from a burner, a heater,
or a cooker, this may result in fire, or the formation of a harmful gas.
Turn off any combustible heating devices, ventilate the room, and contact the dealer
where you purchased the unit.
Do NOT use the unit until a service person confirms that the part from which the
refrigerant leaked has been repaired.
WARNING
â–ªOnly use R32 as refrigerant. Other substances may cause explosions and
accidents.
â–ªR32 contains fluorinated greenhouse gases. Its global warming potential (GWP)
value is 675. Do NOT vent these gases into the atmosphere.
â–ªWhen charging refrigerant, ALWAYS use protective gloves and safety glasses.
CAUTION
To avoid compressor breakdown, do NOT charge more than the specified amount of
refrigerant.
WARNING
NEVER directly touch any accidental leaking refrigerant. This could result in severe
wounds caused by frostbite.
Electrical installation (see "9Electrical installation"
"9Electrical installation"
"9Electrical installation"
"9Electrical installation""9Electrical installation"[
[
[
[[
4
46]
46]
46]
46]46])
WARNING
â–ªAll wiring MUST be performed by an authorised electrician and MUST comply
with the applicable legislation.
â–ªMake electrical connections to the fixed wiring.
â–ªAll components procured on-site and all electrical construction MUST comply
with the applicable legislation.
WARNING
â–ªIf the power supply has a missing or wrong N-phase, equipment might break
down.
â–ªEstablish proper earthing. Do NOT earth the unit to a utility pipe, surge absorber,
or telephone earth. Incomplete earthing may cause electrical shock.
â–ªInstall the required fuses or circuit breakers.
â–ªSecure the electrical wiring with cable ties so that the cables do NOT come in
contact with sharp edges or piping, particularly on the high-pressure side.
â–ªDo NOT use taped wires, stranded conductor wires, extension cords, or
connections from a star system. They can cause overheating, electrical shock or
fire.
â–ªDo NOT install a phase advancing capacitor, because this unit is equipped with an
inverter. A phase advancing capacitor will reduce performance and may cause
accidents.
3 Specific installer safety instructions |
Installer reference guide
18
RXTM-R_RXTP-R_ARXTP-R_RXTA-B
R32 split series
4P518023-11H – 2021.03
WARNING
ALWAYS use multicore cable for power supply cables.
WARNING
Use an all-pole disconnection type breaker with at least 3mm between the contact
point gaps that provide full disconnection under overvoltage category III.
WARNING
If the supply cord is damaged, it MUST be replaced by the manufacturer, its service
agent or similarly qualified persons in order to avoid a hazard.
WARNING
Do NOT connect the power supply to the indoor unit. This could result in electrical
shock or fire.
WARNING
â–ªDo NOT use locally purchased electrical parts inside the product.
â–ªDo NOT branch the power supply for the drain pump, etc. from the terminal
block. This could result in electrical shock or fire.
WARNING
Keep the interconnection wiring away from copper pipes without thermal insulation
as such pipes will be very hot.
DANGER: RISK OF ELECTROCUTION
All electrical parts (including thermistors) are powered by the power supply. Do not
touch them with bare hands.
DANGER: RISK OF ELECTROCUTION
Disconnect the power supply for more than 10minutes, and measure the voltage at
the terminals of main circuit capacitors or electrical components before servicing.
The voltage MUST be less than 50VDC before you can touch electrical components.
For the location of the terminals, see the wiring diagram.
Finishing indoor unit installation (see "10Finishing the outdoor unit
"10Finishing the outdoor unit
"10Finishing the outdoor unit
"10Finishing the outdoor unit"10Finishing the outdoor unit
installation"
installation"
installation"
installation"installation"[
[
[
[[
4
51]
51]
51]
51]51])
DANGER: RISK OF ELECTROCUTION
â–ªMake sure that the system is earthed properly.
â–ªTurn off the power supply before servicing.
â–ªInstall the switch box cover before turning on the power supply.
Commissioning (see "12Commissioning"
"12Commissioning"
"12Commissioning"
"12Commissioning""12Commissioning"[
[
[
[[
4
53]
53]
53]
53]53])
DANGER: RISK OF ELECTROCUTION
3 Specific installer safety instructions |
Installer reference guide
19
RXTM-R_RXTP-R_ARXTP-R_RXTA-B
R32 split series
4P518023-11H – 2021.03
DANGER: RISK OF BURNING/SCALDING
CAUTION
Do NOT perform the test operation while working on the indoor units.
When performing the test operation, NOT only the outdoor unit, but the connected
indoor unit will operate as well. Working on an indoor unit while performing a test
operation is dangerous.
CAUTION
Do NOT insert fingers, rods or other objects into the air inlet or outlet. Do NOT
remove the fan guard. When the fan is rotating at high speed, it will cause injury.
Maintenance and service (see "14Maintenance and service"
"14Maintenance and service"
"14Maintenance and service"
"14Maintenance and service""14Maintenance and service"[
[
[
[[
4
57]
57]
57]
57]57])
DANGER: RISK OF ELECTROCUTION
DANGER: RISK OF BURNING/SCALDING
WARNING
â–ªBefore carrying out any maintenance or repair activity, ALWAYS switch off the
circuit breaker on the supply panel, remove the fuses or open the protection
devices of the unit.
â–ªDo NOT touch live parts for 10 minutes after the power supply is turned off
because of high voltage risk.
â–ªPlease note that some sections of the electric component box are hot.
â–ªMake sure you do NOT touch a conductive section.
â–ªDo NOT rinse the unit. This may cause electric shocks or fire.
About the compressor
DANGER: RISK OF ELECTROCUTION
â–ªUse this compressor on a grounded system only.
â–ªTurn the power off before servicing the compressor.
â–ªReattach the switch box cover and service lid after servicing.
CAUTION
Always wear safety goggles and protective gloves.
DANGER: RISK OF EXPLOSION
â–ªUse a pipe cutter to remove the compressor.
â–ªDo NOT use the brazing torch.
â–ªUse approved refrigerants and lubricants only.
3 Specific installer safety instructions |
Installer reference guide
20
RXTM-R_RXTP-R_ARXTP-R_RXTA-B
R32 split series
4P518023-11H – 2021.03
DANGER: RISK OF BURNING/SCALDING
Do NOT touch the compressor with bare hands.
Troubleshooting (see "15Troubleshooting"
"15Troubleshooting"
"15Troubleshooting"
"15Troubleshooting""15Troubleshooting"[
[
[
[[
4
59]
59]
59]
59]59])
DANGER: RISK OF ELECTROCUTION
DANGER: RISK OF BURNING/SCALDING
WARNING
â–ªWhen carrying out an inspection on the switch box of the unit, ALWAYS make
sure that the unit is disconnected from the mains. Turn off the respective circuit
breaker.
â–ªWhen a safety device was activated, stop the unit and find out why the safety
device was activated before resetting it. NEVER shunt safety devices or change
their values to a value other than the factory default setting. If you are unable to
find the cause of the problem, call your dealer.
WARNING
Prevent hazards due to inadvertent resetting of the thermal cut-out: power to this
appliance MUST NOT be supplied through an external switching device, such as a
timer, or connected to a circuit that is regularly turned ON and OFF by the utility.
DANGER: RISK OF ELECTROCUTION
â–ªWhen the unit is not operating, the LEDs on the PCB are turned off in order to
save power.
â–ªEven when the LEDs are off, the terminal block and the PCB may be powered.
4 About the box |
Installer reference guide
21
RXTM-R_RXTP-R_ARXTP-R_RXTA-B
R32 split series
4P518023-11H – 2021.03
4 About the box
4.1 Overview: About the box
This chapter describes what you have to do after the box with the outdoor unit is
delivered on-site.
Keep the following in mind:
â–ªAt delivery, the unit MUST be checked for damage. Any damage MUST be
reported immediately to the claims agent of the carrier.
â–ªBring the packed unit as close as possible to its final installation position to
prevent damage during transport.
â–ªWhen handling the unit, take into account the following:
Fragile, handle the unit with care.
Keep the unit upright in order to avoid damage.
â–ªPrepare the path along which you want to bring the unit inside in advance.
4.2 Outdoor unit
4.2.1 To unpack the outdoor unit
2
13
4.2.2 To handle the outdoor unit
CAUTION
To avoid injury, do NOT touch the air inlet or aluminium fins of the unit.
4 About the box |
Installer reference guide
22
RXTM-R_RXTP-R_ARXTP-R_RXTA-B
R32 split series
4P518023-11H – 2021.03
Only handle the outdoor unit as follows:
Make sure the unit is placed on a flat surface to avoid damage.
If the aluminum fins on the unit are bent, straighten them with a fin comb (field
supply).
4.2.3 To remove the accessories from the outdoor unit
1Lift the outdoor unit.
2Remove the accessories at the bottom of the package.
1×1× 1× 1× 1×
b c da e
aGeneral safety precautions
bOutdoor unit installation manual
cFluorinated greenhouse gases label
dMultilingual fluorinated greenhouse gases label
eEnergy label
5 About the unit |
Installer reference guide
23
RXTM-R_RXTP-R_ARXTP-R_RXTA-B
R32 split series
4P518023-11H – 2021.03
5 About the unit
WARNING: MILDLY FLAMMABLE MATERIAL
The refrigerant inside this unit is mildly flammable.
5.1 Identification
NOTICE
When installing or servicing several units at the same time, make sure NOT to switch
the service panels between different models.
5.1.1 Identification label: Outdoor unit
Location
6 Unit installation |
Installer reference guide
24
RXTM-R_RXTP-R_ARXTP-R_RXTA-B
R32 split series
4P518023-11H – 2021.03
6 Unit installation
WARNING
Installation shall be done by an installer, the choice of materials and installation shall
comply with the applicable legislation. In Europe, EN378 is the applicable standard.
In this chapter
6.1 Preparing the installation site ................................................................................................................................................ 24
6.1.1 Installation site requirements of the outdoor unit ............................................................................................... 25
6.1.2 Additional installation site requirements of the outdoor unit in cold climates ................................................... 27
6.2 Opening the unit..................................................................................................................................................................... 28
6.2.1 About opening the unit.......................................................................................................................................... 28
6.2.2 To open the outdoor unit ...................................................................................................................................... 28
6.3 Mounting the outdoor unit .................................................................................................................................................... 28
6.3.1 About mounting the outdoor unit......................................................................................................................... 28
6.3.2 Precautions when mounting the outdoor unit...................................................................................................... 29
6.3.3 To provide the installation structure..................................................................................................................... 29
6.3.4 To install the outdoor unit ..................................................................................................................................... 30
6.3.5 To provide drainage ............................................................................................................................................... 30
6.3.6 To prevent the outdoor unit from falling over ...................................................................................................... 30
6.1 Preparing the installation site
Do NOT install the unit in places often used as work place. In case of construction
works (e.g. grinding works) where a lot of dust is created, the unit MUST be
covered.
Choose an installation location with sufficient space for carrying the unit in and out
of the site.
CAUTION
â–ªCheck if the installation location can support the unit's weight. Poor installation is
hazardous. It can also cause vibrations or unusual operating noise.
â–ªProvide sufficient service space.
â–ªDo NOT install the unit so that it is in contact with a ceiling or a wall, as this may
cause vibrations.
â–ªChoose a location where the operation noise or the hot/cold air discharged from
the unit will not disturb anyone.
â–ªProvide sufficient space around the unit for servicing and air circulation.
â–ªAvoid areas where flammable gas or product might leak.
▪Install units, power cables and communication wiring at least 3 m away from
televisions or radios to prevent interference. Depending on the radio waves, a
distance of 3m may not be sufficient.
NOTICE
Do NOT place objects below the indoor and/or outdoor unit that may get wet.
Otherwise condensation on the unit or refrigerant pipes, air filter dirt or drain
blockage may cause dripping, and objects under the unit may get dirty or damaged.
6 Unit installation |
Installer reference guide
25
RXTM-R_RXTP-R_ARXTP-R_RXTA-B
R32 split series
4P518023-11H – 2021.03
WARNING
The appliance shall be stored so as to prevent mechanical damage and in a well-
ventilated room without continuously operating ignition sources (e.g. open flames,
an operating gas appliance, or an operating electric heater). The room size shall be as
specified in the General safety precaution.
6.1.1 Installation site requirements of the outdoor unit
INFORMATION
Also read the following requirements:
▪"2General safety precautions"[47].
▪"7.1.3Refrigerant piping length and height difference"[433].
Mind the following spacing guidelines:
>150
>50
>300
(mm)
b
a
>100
>50
>150
>50
b
b
a
>100
b
a
a
b
a>100
aAir outlet
bAir inlet
NOTICE
The height of the wall on the outlet side of the outdoor unit MUST be ≤1200mm.
NOTICE
â–ªDo NOT stack the units on each other.
â–ªDo NOT hang the unit on a ceiling.
Strong winds (≥18km/h) blowing against the outdoor unit’s air outlet causes short
circuit (suction of discharge air). This may result in:
â–ªdeterioration of the operational capacity;
â–ªfrequent frost acceleration in heating operation;
â–ªdisruption of operation due to decrease of low pressure or increase of high
pressure;
â–ªa broken fan (if a strong wind blows continuously on the fan, it may start rotating
very fast, until it breaks).
It is recommended to install a baffle plate when the air outlet is exposed to wind.
It is recommended to install the outdoor unit with the air inlet facing the wall and
NOT directly exposed to the wind.
6 Unit installation |
Installer reference guide
26
RXTM-R_RXTP-R_ARXTP-R_RXTA-B
R32 split series
4P518023-11H – 2021.03
b
a
b
c
aBaffle plate
bPrevailing wind direction
cAir outlet
Do NOT install the unit in the following places:
â–ªSound sensitive areas (e.g. near a bedroom), so that the operation noise will
cause no trouble.
Note: If the sound is measured under actual installation conditions, the
measured value might be higher than the sound pressure level mentioned in
Sound spectrum in the data book due to environmental noise and sound
reflections.
INFORMATION
The sound pressure level is less than 70dBA.
â–ªIn places where a mineral oil mist, spray or vapour may be present in the
atmosphere. Plastic parts may deteriorate and fall off or cause water leakage.
It is NOT recommended to install the unit in the following places because it may
shorten the life of the unit:
â–ªWhere the voltage fluctuates a lot
â–ªIn vehicles or vessels
â–ªWhere acidic or alkaline vapour is present
Seaside installation. Make sure the outdoor unit is NOT directly exposed to sea
winds. This is to prevent corrosion caused by high levels of salt in the air, which
might shorten the life of the unit.
Install the outdoor unit away from direct sea winds.
Example: Behind the building.
If the outdoor unit is exposed to direct sea winds, install a windbreaker.
▪Height of windbreaker≥1.5×height of outdoor unit
â–ªMind the service space requirements when installing the windbreaker.

Product specificaties

Merk: Daikin
Categorie: Airco
Model: RXTM40R2V1B

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