Daikin FTXP50M2V1B, FTXP60M2V1B, FTXP71M2V1B, FTXF20A2V1B, FTXF25A2V1B Installer reference guide

...
Installer reference guide
Daikin room air conditioner
FTXP50M2V1B FTXP60M2V1B FTXP71M2V1B
FTXF20A2V1B FTXF25A2V1B FTXF35A2V1B FTXF50A2V1B FTXF60A2V1B FTXF71A2V1B
Installer reference guide
Daikin room air conditioner
English

Table of Contents

Table of Contents

1 General safety precautions 2

1.1 About the documentation .......................................................... 2
1.1.1 Meaning of warnings and symbols.............................. 2
1.2 For the installer.......................................................................... 3
1.2.1 General ....................................................................... 3
1.2.2 Installation site ............................................................ 3
1.2.3 Refrigerant .................................................................. 5
1.2.4 Brine............................................................................ 5
1.2.5 Water .......................................................................... 5
1.2.6 Electrical ..................................................................... 6
2 About the documentation 6
2.1 About this document.................................................................. 6
2.2 Installer reference guide at a glance ......................................... 7
3 About the box 7
3.1 Overview: About the box ........................................................... 7
3.2 Indoor unit ................................................................................. 7
3.2.1 To unpack the indoor unit ........................................... 7
3.2.2 To remove the accessories from the indoor unit......... 7
4 About the unit 8
4.1 System layout............................................................................ 8
4.2 Operation range ........................................................................ 8
5 Preparation 8
5.1 Overview: Preparation............................................................... 8
5.2 Preparing the installation site .................................................... 8
5.2.1 Installation site requirements of the indoor unit .......... 8
5.3 Preparing refrigerant piping....................................................... 9
5.3.1 Refrigerant piping requirements.................................. 9
5.3.2 Refrigerant piping insulation ....................................... 9
5.4 Preparing electrical wiring ......................................................... 9
5.4.1 About preparing electrical wiring................................. 9
6 Installation 9
6.1 Overview: Installation ................................................................ 9
6.2 Opening the indoor unit ............................................................. 10
6.2.1 To remove the front panel........................................... 10
6.2.2 To re-install the front panel ......................................... 10
6.2.3 To remove the front grille ............................................ 10
6.2.4 To re-install the front grille .......................................... 10
6.2.5 To remove the electrical wiring box cover................... 10
6.2.6 To open the service cover........................................... 11
6.3 Installing the indoor unit ............................................................ 11
6.3.1 Precautions when installing the indoor unit................. 11
6.3.2 To install the mounting plate....................................... 11
6.3.3 To drill a wall hole ....................................................... 12
6.3.4 To remove the pipe port cover.................................... 12
6.3.5 To provide drainage.................................................... 12
6.4 Connecting the refrigerant piping .............................................. 13
6.4.1 About connecting the refrigerant piping ...................... 13
6.4.2 Precautions when connecting the refrigerant piping... 13
6.4.3 Guidelines when connecting the refrigerant piping..... 14
6.4.4 Pipe bending guidelines.............................................. 14
6.4.5 To flare the pipe end................................................... 14
6.4.6 To connect the refrigerant piping to the indoor unit .... 14
6.5 Connecting the electrical wiring................................................. 15
6.5.1 About connecting the electrical wiring......................... 15
6.5.2 Precautions when connecting the electrical wiring ..... 15
6.5.3 Guidelines when connecting the electrical wiring ....... 15
6.5.4 Specifications of standard wiring components............ 15
6.5.5 To connect the electrical wiring on the indoor unit...... 16
6.5.6 To connect optional accessories (wired user interface, central user interface, wireless adapter,
etc.) ............................................................................. 16
6.6 Finishing the indoor unit installation ........................................... 16
6.6.1 To insulate the drain piping, refrigerant piping and
interconnection cable ................................................... 16
6.6.2 To pass the pipes through the wall hole ...................... 16
6.6.3 To fix the unit on the mounting plate............................ 17
7 Configuration 17
7.1 To set a different address........................................................... 17
8 Commissioning 18
8.1 Overview: Commissioning.......................................................... 18
8.2 Checklist before commissioning................................................. 18
8.3 To perform a test run.................................................................. 18
8.3.1 To perform a test run in winter season ........................ 18
9 Hand-over to the user 19
10 Disposal 19
11 Technical data 20
11.1 Wiring diagram ........................................................................... 20
12 Glossary 21
1 General safety precautions

1.1 About the documentation

▪ The original documentation is written in English. All other
languages are translations.
▪ The precautions described in this document cover very important
topics, follow them carefully.
▪ The installation of the system, and all activities described in the
installation manual and the installer reference guide MUST be performed by an authorised installer.

1.1.1 Meaning of warnings and symbols

DANGER
Indicates a situation that results in death or serious injury.
DANGER: RISK OF ELECTROCUTION
Indicates a situation that could result in electrocution.
DANGER: RISK OF BURNING
Indicates a situation that could result in burning because of extreme hot or cold temperatures.
DANGER: RISK OF EXPLOSION
Indicates a situation that could result in explosion.
WARNING
Indicates a situation that could result in death or serious injury.
WARNING: FLAMMABLE MATERIAL
CAUTION
Indicates a situation that could result in minor or moderate injury.
NOTICE
Indicates a situation that could result in equipment or property damage.
INFORMATION
Indicates useful tips or additional information.
2
FTXP50~71M2V1B + FTXF20~71A2V1B
Daikin room air conditioner
4P513661-8C – 2018.09
1 General safety precautions
Symbol Explanation
Before installation, read the installation and operation manual, and the wiring instruction sheet.
Before performing maintenance and service tasks, read the service manual.
For more information, see the installer and user reference guide.

1.2 For the installer

1.2.1 General

If you are NOT sure how to install or operate the unit, contact your dealer.
NOTICE
Improper installation or attachment of equipment or accessories could result in electric 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.
DANGER: RISK OF BURNING
▪ Do 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.
▪ Do NOT touch any accidental leaking refrigerant.
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.
NOTICE
▪ Do NOT place any objects or equipment on top of the
unit.
▪ Do 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.
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:
▪ Instructions for shutting down the system in case of an emergency
▪ Name and address of fire department, police and hospital
▪ Name, address and day and night telephone numbers for
obtaining service
In Europe, EN378 provides the necessary guidance for this logbook.

1.2.2 Installation site

▪ Provide sufficient space around the unit for servicing and air
circulation.
▪ Make sure the installation site withstands the unit's weight and
vibration.
▪ Make sure the area is well ventilated. Do NOT block any
ventilation openings.
▪ Make sure the unit is level.
Do NOT install the unit in the following places:
▪ In potentially explosive atmospheres.
▪ In places where there is machinery that emits electromagnetic
waves. Electromagnetic waves may disturb the control system, and cause malfunction of the equipment.
▪ In places where there is a risk of fire due to the leakage of
flammable gases (example: thinner or gasoline), carbon fibre, ignitable dust.
▪ In places where corrosive gas (example: sulphurous acid gas) is
produced. Corrosion of copper pipes or soldered parts may cause the refrigerant to leak.
▪ In bathrooms.
Instructions for equipment using R32 refrigerant
If applicable.
WARNING
▪ Do NOT pierce or burn.
▪ Do NOT use means to accelerate the defrosting
process or to clean the equipment, other than those recommended by the manufacturer.
▪ Be 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.
NOTICE
▪ Do NOT re-use joints which have been used already.
▪ Joints made in installation between parts of refrigerant
system shall be accessible for maintenance purposes.
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.
FTXP50~71M2V1B + FTXF20~71A2V1B Daikin room air conditioner 4P513661-8C – 2018.09
3
1 General safety precautions
Contains fluorinated greenhouse gases
2
1
1
1
2
2
kg
tCO2eq
1000
GWP × kg
=
=
+
kg
=
kg
=
GWP: xxx
R32
0
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
190
200
210
220
230
240
250
260
270
280
290
300
310
320
330
340
350
360
370
380
390
400
410
420
430
440
450
460
470
480
490
500
510
520
530
540
550
1.822.2
2.4
2.6
2.833.2
3.4
3.6
3.844.2
4.4
4.6
4.855.2
5.4
5.6
5.866.2
6.4
6.6
6.877.2
7.4
7.6
7.8
1.843 7.956
8.0
A
min
(m2)
Floor-standing unit
(c)
Wall-mounted unit
(b)
Ceiling-mounted unit
(a)
m (kg)
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
7.956 40.1
4.4 165
7.956 539
m (kg)
A
min
(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
7.956 59.9
Wall-mounted
unit
(b)
m (kg)
A
min
(m2)
Floor-standing
unit
(c)
m (kg)
A
min
(m2)
Installation space requirements
NOTICE
▪ Pipework shall be protected from physical damage.
▪ Installation of pipework shall be kept to a minimum.
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:
▪ Indoor units without a refrigerant leakage sensor; in
case of indoor units with refrigerant leakage sensor, consult the installation manual
▪ Outdoor units installed or stored indoors (e.g. winter
garden, garage, machinery room)
▪ Pipework in unventilated spaces
To determine the minimum floor area
1 Determine the total refrigerant charge in the system (= factory
refrigerant charge + additional refrigerant amount charged).
2 Determine which graph or table to use.
▪ For indoor units: Is the unit ceiling-mounted, wall-mounted or
floor-standing?
▪ For outdoor units installed or stored indoors, and field piping
in unventilated spaces, 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
3 Use the graph or table to determine the minimum floor area.
4
m Total refrigerant charge in the system
A
Minimum floor area
min
(a) Ceiling-mounted unit (= Ceiling-mounted unit) (b) Wall-mounted unit (= Wall-mounted unit)
FTXP50~71M2V1B + FTXF20~71A2V1B
Daikin room air conditioner
4P513661-8C – 2018.09
1 General safety precautions
(c) Floor-standing unit (= Floor-standing unit)

1.2.3 Refrigerant

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:
▪ Excessive refrigerant concentrations in a closed room
can lead to oxygen deficiency.
▪ Toxic gas may 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:
▪ Do NOT use the unit's automatic pump down function,
with which you can collect all refrigerant from the system into the outdoor unit. Possible consequence: Self-combustion and explosion of the compressor because of air going into the operating compressor.
▪ Use 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
▪ To avoid compressor breakdown, do NOT charge more
than the specified amount of refrigerant.
▪ When the refrigerant system is to be opened,
refrigerant MUST be treated according to the applicable legislation.
WARNING
Make sure there is no oxygen in the system. Refrigerant may only be charged after performing the leak test and the vacuum drying.
▪ In case re-charge is required, refer to the nameplate of the unit. It
states the type of refrigerant and necessary amount.
▪ The unit is factory charged with refrigerant and depending on pipe
sizes and pipe lengths some systems require additional charging of refrigerant.
▪ Only use tools exclusively for the refrigerant type used in the
system, this to ensure pressure resistance and prevent foreign materials from entering into the system.
▪ Charge the liquid refrigerant as follows:
If Then
A siphon tube is present
(i.e., the cylinder is marked with "Liquid filling siphon attached")
A siphon tube is NOT present Charge with the cylinder upside
▪ Open refrigerant cylinders slowly.
▪ Charge the refrigerant in liquid form. Adding it in gas form may
prevent normal operation.
CAUTION
When the refrigerant charging procedure is done or when pausing, close the valve of the refrigerant tank immediately. If the valve is NOT closed immediately, remaining pressure might charge additional refrigerant. Possible consequence: Incorrect refrigerant amount.
Charge with the cylinder upright.
down.

1.2.4 Brine

If applicable. See the installation manual or installer reference guide of your application for more information.
WARNING
The selection of the brine MUST be in accordance with the applicable legislation.
WARNING
Take sufficient precautions in case of brine leakage. If brine leaks, ventilate the area immediately and contact your local dealer.
WARNING
The ambient temperature inside the unit can get much higher than that of the room, e.g. 70°C. In case of a brine leak, hot parts inside the unit can create a hazardous situation.
WARNING
The use and installation of the application MUST comply with the safety and environmental precautions specified in the applicable legislation.

1.2.5 Water

If applicable. See the installation manual or installer reference guide of your application for more information.
NOTICE
Make sure water quality complies with EU directive 98/83EC.
FTXP50~71M2V1B + FTXF20~71A2V1B Daikin room air conditioner 4P513661-8C – 2018.09
5

2 About the documentation

1.2.6 Electrical

DANGER: RISK OF ELECTROCUTION
▪ Turn OFF all power supply before removing the
switch box cover, connecting electrical wiring or touching electrical parts.
▪ Disconnect the power supply for more than 1 minute,
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.
▪ Do NOT touch electrical components with wet hands.
▪ Do NOT leave the unit unattended when the service
cover is removed.
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
▪ ONLY use copper wires.
▪ Make sure the field wiring complies with the applicable
legislation.
▪ All field wiring MUST be performed in accordance with
the wiring diagram supplied with the product.
▪ NEVER 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.
▪ Make 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.
▪ Make sure to use a dedicated power circuit. NEVER
use a power supply shared by another appliance.
▪ Make sure to install the required fuses or circuit
breakers.
▪ Make sure to install an earth leakage protector. Failure
to do so may cause electric shock or fire.
▪ When 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
When connecting the power supply, the earth connection must be made before the current-carrying connections are established. When disconnecting the power supply, the current-carrying connections must be separated before the earth connection is. The 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:
▪ Do NOT connect wiring of different thicknesses to the
power terminal block (slack in the power wiring may cause abnormal heat).
▪ When connecting wiring which is the same thickness,
do as shown in the figure above.
▪ For wiring, use the designated power wire and connect
firmly, then secure to prevent outside pressure being exerted on the terminal board.
▪ Use an appropriate screwdriver for tightening the
terminal screws. A screwdriver with a small head will damage the head and make proper tightening impossible.
▪ Over-tightening the terminal screws may break them.
WARNING
▪ After finishing the electrical work, confirm that each
electrical component and terminal inside the electrical components box is connected securely.
▪ Make 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.
2 About the documentation

2.1 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
INFORMATION
This appliance is intended to be used by expert or trained users in shops, in light industry, and on farms, or for commercial and household use by lay persons.
Documentation set
This document is part of a documentation set. The complete set consists of:
General safety precautions:
▪ Safety instructions that you MUST read before installing
▪ Format: Paper (in the box of the indoor unit)
Indoor unit installation manual:
▪ Installation instructions
▪ Format: Paper (in the box of the indoor unit)
6
FTXP50~71M2V1B + FTXF20~71A2V1B
Daikin room air conditioner
4P513661-8C – 2018.09

3 About the box

1
3
2
2
edba c f g
h i
Installer reference guide:
▪ Preparation of the installation, good practices, 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
▪ A subset of the latest technical data is available on the regional
Daikin website (publicly accessible).
▪ The full set of latest technical data is available on the Daikin
extranet (authentication required).

2.2 Installer reference guide at a glance

Chapter Description
General safety precautions
About the documentation What documentation exists for the
About the box How to unpack the units and remove
About the unit ▪ System layout
Preparation What to do and know before going
Installation What to do and know to install the
Configuration What to do and know to configure the
Commissioning What to do and know to commission the
Hand‑over to the user What to give and explain to the user
Disposal How to dispose of the system
Technical data Specifications of the system
Glossary Definition of terms
Safety instructions that you MUST read before installing
installer
their accessories
▪ Operation range
on‑site
system
system after it is installed
system after it is configured
▪ Prepare the path along which you want to bring the unit inside in
advance.

3.2 Indoor unit

INFORMATION
The following figures are just examples and may NOT completely match your system layout.

3.2.1 To unpack the indoor unit

3.2.2 To remove the accessories from the indoor unit

3 About the box

3.1 Overview: About the box

This chapter describes what you have to do after the box with the indoor unit is delivered on-site.
It contains information about:
▪ Unpacking and handling the unit
▪ Removing the accessories from the unit
Keep the following in mind:
▪ At delivery, the unit MUST be checked for damage. Any damage
MUST be reported immediately to the carrier's claims agent.
▪ Bring the packed unit as close as possible to its final installation
position to prevent damage during transport.
▪ When handling the unit, take into account the following:
Fragile, handle the unit with care.
Keep the unit upright in order to avoid damage.
FTXP50~71M2V1B + FTXF20~71A2V1B Daikin room air conditioner 4P513661-8C – 2018.09
1 Remove the accessories located at the bottom of the package.
a Installation manual b Operation manual c General safety precautions d Titanium apatite deodorizing and silver particle filter (only
for FTXP)
e Indoor unit fixing screw (M4×12L). Refer to "6.6.3To fix the
unit on the mounting plate"on page17.
f Dry battery AAA.LR03 (alkaline) for user interface g User interface holder h User interface
i Mounting plate
7

4 About the unit

a
f
c
e
d
b
4 About the unit
WARNING: FLAMMABLE MATERIAL
The refrigerant inside this unit is mildly flammable.

4.1 System layout

NOTICE
Design of the system must not be done at temperatures below –15°C.
a Indoor unit b Service lid c Air filter d Titanium apatite deodorizing and silver particle filter (only
for FTXP)
e Refrigerant piping, drain hose and interconnection cable
f Insulation tape

4.2 Operation range

Use the system in the following temperature and humidity ranges for safe and effective operation.
Operation mode Operation range
(a)(b)
Cooling
Heating
Drying
(a)
(a)
(a) A safety device might stop the operation of the system. (b) Condensation might occur on the indoor unit and drip.
▪ Outdoor temperature: –10~46°C
▪ Indoor temperature: 18~32°C
▪ Indoor humidity: ≤80%
▪ Outdoor temperature: –15~24°C
▪ Indoor temperature: 10~30°C
▪ Outdoor temperature: –10~46°C
▪ Indoor temperature: 18~32°C
▪ Indoor humidity: ≤80%
If operated outside the operation range:

5 Preparation

5.1 Overview: Preparation

This chapter describes what you have to do and know before going on-site.
It contains information about:
▪ Preparing the installation site
▪ Preparing the refrigerant piping
▪ Preparing the electrical wiring

5.2 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.
WARNING
The appliance shall be stored in a room without continuously operating ignition sources (example: open flames, an operating gas appliance or an operating electric heater).

5.2.1 Installation site requirements of the indoor unit

INFORMATION
Also read the precautions and requirements in the "General safety precautions" chapter.
INFORMATION
The sound pressure level is less than 70dBA.
Air flow. Make sure nothing blocks the air flow.
Drainage. Make sure condensation water can be evacuated
properly.
Wall insulation. When conditions in the wall exceed 30°C and a
relative humidity of 80%, or when fresh air is inducted into the wall, then additional insulation is required (minimum 10 mm thickness, polyethylene foam).
Wall strength. Check whether the wall or the floor is strong
enough to support the weight of the unit. If there is a risk, reinforce the wall or the floor before installing the unit.
Install power cables at least 1 metre away from televisions or radios to prevent interference. Depending on the radio waves, a distance of 3metres may NOT be sufficient.
▪ Choose a location where the hot/cold air discharged from the unit
or the operation noise, will NOT disturb anyone.
Fluorescent lights. When installing a wireless user interface in a
room with fluorescent lights, mind the following to avoid interference:
▪ Install the wireless user interface as close as possible to the
indoor unit.
▪ Install the indoor unit as far as possible from the fluorescent
lights.
It is NOT recommended to install the unit in the following places because it may shorten the life of the unit:
▪ Where the voltage fluctuates a lot
▪ In vehicles or vessels
▪ Where acidic or alkaline vapour is present
▪ In 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.
▪ In places where the unit would be in the path of direct sunlight.
▪ In bathrooms.
▪ Sound sensitive areas (e.g. near a bedroom), so that the
operation noise will cause no trouble.
8
FTXP50~71M2V1B + FTXF20~71A2V1B
Daikin room air conditioner
4P513661-8C – 2018.09
WARNING
≥50 ≥50
≥30
(mm)
t
Ø
ØiØ
i
t
ØpØ
p
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.
Spacing. Install the unit at least 1.8m from the floor and keep the
following requirements in mind for distances from the walls and the ceiling:

5.3 Preparing refrigerant piping

5.3.1 Refrigerant piping requirements

INFORMATION
Also read the precautions and requirements in the "General safety precautions" chapter.
Refrigerant piping diameter
Use the same diameters as the connections on the outdoor units:
Class L1 liquid piping L1 gas piping
20~35 Ø6.4 Ø9.5
50~71 Ø6.4 Ø12.7
Refrigerant piping material
Piping material: Phosphoric acid deoxidised seamless copper.
Flare connections: Only use annealed material.
Piping temper grade and thickness:
Outer diameter
(Ø)
6.4mm (1/4") Annealed (O) ≥0.8mm
9.5mm (3/8")
12.7mm (1/2")
(a) Depending on the applicable legislation and the unit's
Temper grade Thickness (t)
maximum working pressure (see "PS High" on the unit name plate), larger piping thickness might be required.
(a)

6 Installation

If the temperature is higher than 30°C and the humidity is higher than RH 80%, the thickness of the insulation materials should be at least 20 mm to prevent condensation on the surface of the insulation.

5.4 Preparing electrical wiring

5.4.1 About preparing electrical wiring

INFORMATION
Also read the precautions and requirements in the "General safety precautions" chapter.
WARNING
▪ If the power supply has a missing or wrong N-phase,
equipment might break down.
▪ Establish proper earthing. Do NOT earth the unit to a
utility pipe, surge absorber, or telephone earth. Incomplete earthing may cause electrical shock.
▪ Install the required fuses or circuit breakers.
▪ Secure 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.
▪ Do NOT use taped wires, stranded conductor wires,
extension cords, or connections from a star system. They can cause overheating, electrical shock or fire.
▪ Do 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.
WARNING
▪ All wiring MUST be performed by an authorised
electrician and MUST comply with the applicable legislation.
▪ Make electrical connections to the fixed wiring.
▪ All components procured on-site and all electrical
construction MUST comply with the applicable legislation.
WARNING
ALWAYS use multicore cable for power supply cables.

5.3.2 Refrigerant piping insulation

▪ Use polyethylene foam as insulation material:
▪ with a heat transfer rate between 0.041 and 0.052W/mK (0.035
and 0.045kcal/mh°C)
▪ with a heat resistance of at least 120°C
▪ Insulation thickness
Pipe outer diameter
(Øp)
6.4mm (1/4") 8~10mm ≥10mm
9.5mm (3/8") 12~15mm
12.7mm (1/2") 14~16mm
FTXP50~71M2V1B + FTXF20~71A2V1B Daikin room air conditioner 4P513661-8C – 2018.09
Insulation inner
diameter (Øi)
6 Installation

6.1 Overview: Installation

This chapter describes what you have to do and know on-site to install the system.
Insulation thickness
(t)
9
6 Installation
a
a
a
b
a
1
2
a
a
c
b
a
1
3
2
Typical workflow
Installation typically consists of the following stages:
1 Mounting the outdoor unit.
2 Installing the indoor unit.
3 Connecting the refrigerant piping.
4 Checking the refrigerant piping.
5 Charging refrigerant.
6 Connecting the electrical wiring.
7 Finishing the outdoor installation.
8 Finishing the indoor installation.
INFORMATION
For installation of the outdoor unit (mounting the outdoor unit, connecting the refrigerant piping to the outdoor unit, charging refrigerant, connecting the electrical wiring to the outdoor unit …), see the installation manual of the outdoor unit.

6.2 Opening the indoor unit

6.2.1 To remove the front panel

1 Hold the front panel by the panel tabs on both sides and open
it.
2 Remove 2 screws (class 20~35) or 3 screws (class 50~71) from
the front grille.
3 Push down the 3 upper hooks marked with a symbol with 3
circles.
a Upper hook b Symbol with 3 circles
4 We recommend opening the flap before removing the front
grille.
5 Place both hands under the centre of the front grille, push it up
and then toward you.
a Panel tabs
2 Remove the front panel by sliding it to the left or the right and
pulling it toward you.
Result: The front panel shaft on 1 side will be disconnected.
3 Disconnect the front panel shaft on the other side in the same
manner.
a Front panel shaft

6.2.2 To re-install the front panel

1 Attach the front panel. Align the shafts with the slots and push
them all the way in.
2 Close the front panel slowly; press at both sides and at the
centre.

6.2.3 To remove the front grille

6.2.4 To re-install the front grille

1 Install the front grille and firmly engage the 3 upper hooks.
2 Install 2 screws (class 20~35) or 3 screws (class 50~71) back
on the front grille.
3 Install the air filter and then mount the front panel.

6.2.5 To remove the electrical wiring box cover

1 Remove the front grille.
2 Remove 1 screw from the electrical wiring box.
3 Open the electrical wiring box cover by pulling the protruding
part on the top of the cover.
4 Unhook the tab on the bottom and remove the electrical wiring
box cover.
CAUTION
Wear adequate personal protective equipment (protective gloves, safety glasses,…) when installing, maintaining or servicing the system.
1 Remove the front panel to remove the air filter.
10
a Tab b Protruding part on the top of the cover
FTXP50~71M2V1B + FTXF20~71A2V1B
Daikin room air conditioner
4P513661-8C – 2018.09
6 Installation
a b
337
770
A
285
44.5
170
48
48
44.5
116.5
117
337
50
213
237
170
A
d
e
(mm)
a
a
f
h g
a
a
bac
a
c
a
d
e
A
990
295
170
60
170
44.5
44.5
122
121.5
56.5
56.5
404
475
PIPING HOLE CENTER:170mm TO THE LEFT
PIPING HOLE CENTER:170mm TO THE LEFT
(mm)
A
PIPING HOLE CENTER:170mm TO THE LEFT
PIPING HOLE CENTER:170mm TO THE LEFT
e
d
e
d
b
a
c
a
c
a
a
gh
f
a
c Screw
5 To re-install the cover, first hook the bottom tab onto the
electrical wiring box, and slide the cover into the 2 upper tabs.

6.2.6 To open the service cover

1 Remove 1 screw from the service cover.
2 Pull out the service cover horizontally away from the unit.
a Service cover screw b Service cover
Class 20~35:

6.3 Installing the indoor unit

6.3.1 Precautions when installing the indoor unit

INFORMATION
Also read the precautions and requirements in the following chapters:
▪ General safety precautions
▪ Preparation

6.3.2 To install the mounting plate

1 Install the mounting plate temporarily.
2 Level the mounting plate.
3 Mark the centres of the drilling points on the wall using a tape
measure. Position the end of tape measure at symbol " ".
4 Finish the installation by securing the mounting plate on the wall
using M4×25L screws (field supply).
INFORMATION
The removed pipe port cover can be kept in the mounting plate pocket.
Class 50~71:
a Recommended mounting plate fixing spots
FTXP50~71M2V1B + FTXF20~71A2V1B Daikin room air conditioner 4P513661-8C – 2018.09
b Pocket for the pipe port cover c Tabs for placing a spirit level d Through-the-wall hole Ø65mm e Drain hose position
f Position for the tape measure at symbol " "
g Gas pipe end
11
6 Installation
Ø65
a
b
c
Ø16
Ø18
a
a
b c
Ø16
Ø16
a b c
Ø18
≥50
mm
h Liquid pipe end

6.3.3 To drill a wall hole

CAUTION
For walls containing a metal frame or a metal board, use a wall embedded pipe and wall cover in the feed-through hole to prevent possible heat, electrical shock, or fire.
NOTICE
Be sure to seal the gaps around the pipes with sealing material (field supply), in order to prevent water leakage.
1 Bore a 65 mm large feed-through hole in the wall with a
downward slope towards the outside.
2 Insert a wall embedded pipe into the hole.
3 Insert a wall cover into the wall pipe.
a Wall embedded pipe b Putty c Wall hole cover
4 After completing wiring, refrigerant piping and drain piping, do
NOT forget to seal the gap with putty.

6.3.5 To provide drainage

Make sure condensation water can be evacuated properly. This involves:
▪ General guidelines
▪ Connecting the drain piping to the indoor unit
▪ Checking for water leaks
General guidelines
Pipe length. Keep drain piping as short as possible.
Pipe size. If drain hose extension or embedded drain piping is
required, use appropriate parts that match the hose front end.
NOTICE
▪ Install the drain hose with a downward slope.
▪ Traps are NOT permitted.
▪ Do NOT put the end of the hose in water.

6.3.4 To remove the pipe port cover

To connect the piping on right-side, right-bottom, left-side or left­bottom, the pipe port cover MUST be removed.
1 Cut off the pipe port cover from inside the front grille using a
coping saw.
2 Remove any burrs along the cut section using a half round
needle file.
NOTICE
Do NOT use nippers to remove the pipe port cover, as this would damage the front grille.
Drain hose extension. To extend the drain hose, use a field
supplied hose with inner Ø16 mm. Do NOT forget to use a heat insulation tube on the indoor section of the extension hose.
a Drain hose supplied with the indoor unit b Heat insulation tube (field supply) c Extension drain hose
Rigid polyvinyl chloride pipe. When connecting a rigid polyvinyl
chloride pipe (nominal Ø13mm) directly to the drain hose as with embedded piping work, use a field supplied drain socket (nominal Ø13mm).
a Drain hose supplied with the indoor unit b Drain socket with nominal Ø13mm (field supply) c Rigid polyvinyl chloride pipe (field supply)
Condensation. Take measures against condensation. Insulate
the complete drain piping in the building.
1 Insert the drain hose in the drain pipe as shown in the following
figure, so it will NOT be pulled out of the drain pipe.
12
FTXP50~71M2V1B + FTXF20~71A2V1B
Daikin room air conditioner
4P513661-8C – 2018.09
6 Installation
A
B
C
a
b
a
a
b
a
b
A
B
C
b
a
To connect the piping on right side, right-back, or right-bottom
INFORMATION
The factory default is right-side piping. For left-side piping, remove the piping from the right side and install it on the left side.
1 Attach the drain hose with adhesive vinyl tape to the bottom of
the refrigerant pipes.
2 Wrap the drain hose and the refrigerant pipes together using
insulation tape.
A Right-side piping B Right-bottom piping C Right-back piping
a Remove the pipe port cover here for right-side piping. b Remove the pipe port cover here for right-bottom piping.
To connect the piping on left side, left-back, or left-bottom
4 Attach the drain hose to the refrigerant pipes bottom side using
adhesive vinyl tape.
A Left-side piping B Left-back piping C Left-bottom piping
a Remove the pipe port cover here for left-side piping. b Remove the pipe port cover here for left-bottom piping.
To check for water leaks
1 Remove the air filters.
2 Gradually pour approximately 1l of water in the drain pan, and
check for water leaks.
INFORMATION
The factory default is right-side piping. For left-side piping, remove the piping from the right side and install it on the left side.
1 Remove the insulation fixing screw on the right side and
remove the drain hose.
2 Remove the drain plug on the left side and attach it to the right
side.
NOTICE
Do NOT apply lubricating oil (refrigerant oil) to the drain plug when inserting it. The drain plug may deteriorate and cause drain leakage from the plug.
a 4mm hexagonal wrench
3 Insert the drain hose on the left side and do not forget to tighten
it with the fixing screw; otherwise water leakage may occur.

6.4 Connecting the refrigerant piping

6.4.1 About connecting the refrigerant piping

Before connecting the refrigerant piping
Make sure the outdoor and indoor unit are mounted.
Typical workflow
Connecting the refrigerant piping involves:
▪ Connecting the refrigerant piping to the indoor unit
▪ Connecting the refrigerant piping to the outdoor unit
▪ Insulating the refrigerant piping
▪ Keeping in mind the guidelines for:
▪ Pipe bending
▪ Flaring pipe ends
▪ Using the stop valves

6.4.2 Precautions when connecting the refrigerant piping

INFORMATION
Also read the precautions and requirements in the following chapters:
▪ General safety precautions
▪ Preparation
DANGER: RISK OF BURNING
CAUTION
▪ Use the flare nut fixed to the unit.
a Insulation fixing screw b Drain hose
FTXP50~71M2V1B + FTXF20~71A2V1B Daikin room air conditioner 4P513661-8C – 2018.09
▪ To prevent gas leakage, apply refrigeration oil only to
the inside of the flare. Use refrigeration oil for R32.
▪ Do NOT reuse joints.
13
6 Installation
a
b
c
d
R=0.4~0.8
45°
±2
90°
±2
A
a b
A
a b
c
CAUTION
▪ Do NOT use mineral oil on flared part.
▪ NEVER install a drier to this R32 unit to guarantee its
lifetime. The drying material may dissolve and damage the system.
NOTICE
Take the following precautions on refrigerant piping into account:
▪ Avoid anything but the designated refrigerant to get
mixed into the refrigerant cycle (e.g. air).
▪ Only use R32 when adding refrigerant.
▪ Only use installation tools (e.g. manifold gauge set) that
are exclusively used for R32 installations to withstand the pressure and to prevent foreign materials (e.g. mineral oils and moisture) from mixing into the system.
▪ Install the piping so that the flare is NOT subjected to
mechanical stress.
▪ Protect the piping as described in the following table to
prevent dirt, liquid or dust from entering the piping.
▪ Use caution when passing copper tubes through walls
(see figure below).
a Torque wrench b Spanner c Piping union d Flare nut
Piping size
(mm)
Tightening
torque (N•m)
Flare
dimensions (A)
Flare shape
(mm)
(mm)
Ø6.4 15~17 8.7~9.1
Ø9.5 33~39 12.8~13.2
Ø12.7 50~60 16.2~16.6

6.4.4 Pipe bending guidelines

Use a pipe bender for bending. All pipe bends should be as gentle as possible (bending radius should be 30~40mm or larger).

6.4.5 To flare the pipe end

CAUTION
▪ Incomplete flaring may cause refrigerant gas leakage.
▪ Do NOT re-use flares. Use new flares to prevent
refrigerant gas leakage.
▪ Use flare nuts that are included with the unit. Using
different flare nuts may cause refrigerant gas leakage.
1 Cut the pipe end with a pipe cutter.
2 Remove burrs with the cut surface facing down so that the
chips do NOT enter the pipe.
Outdoor unit >1month Pinch the pipe
Indoor unit Regardless of the
6.4.3 Guidelines when connecting the
Take the following guidelines into account when connecting pipes:
▪ Coat the flare inner surface with ether oil or ester oil when
connecting a flare nut. Tighten 3 or 4 turns by hand, before tightening firmly.
▪ ALWAYS use 2 wrenches together when loosening a flare nut.
▪ ALWAYS use a spanner and torque wrench together to tighten the
flare nut when connecting the piping. This to prevent nut cracking and leaks.
14
Unit Installation period Protection method
<1month Pinch or tape the pipe
period
INFORMATION
Do NOT open the refrigerant stop valve before checking the refrigerant piping. When you need to charge additional refrigerant it is recommended to open the refrigerant stop valve after charging.
refrigerant piping
a Cut exactly at right angles. b Remove burrs.
3 Remove the flare nut from the stop valve and put the flare nut
on the pipe.
4 Flare the pipe. Set exactly at the position as shown in the
following figure.
Flare tool for R32
(clutch type)
Conventional flare tool
Clutch type
(Ridgid-type)
Wing nut type
(Imperial-type)
A 0~0.5mm 1.0~1.5mm 1.5~2.0mm
5 Check that the flaring is properly made.
a Flare’s inner surface MUST be flawless. b The pipe end MUST be evenly flared in a perfect circle. c Make sure the flare nut is fitted.

6.4.6 To connect the refrigerant piping to the indoor unit

Pipe length. Keep refrigerant piping as short as possible.
Flare connections. Connect refrigerant piping to the unit using
flare connections.
Insulation. Insulate the refrigerant piping, interconnection cable
and drain hose on the indoor unit as follows:
FTXP50~71M2V1B + FTXF20~71A2V1B
Daikin room air conditioner
4P513661-8C – 2018.09
c
a
b
f
d
g
e
a Gas pipe
b a
c b
c
aa
A
AA´
c b ba c
a
B
B
1-3
b Gas pipe insulation c Interconnection cable d Liquid pipe e Liquid pipe insulation
f Finishing tape
g Drain hose
NOTICE
Make sure to insulate all refrigerant piping. Any exposed piping might cause condensation.

6.5 Connecting the electrical wiring

6.5.1 About connecting the electrical wiring

Typical workflow
Connecting the electrical wiring typically consists of the following stages:
1 Making sure the power supply system complies with the
electrical specifications of the units.
2 Connecting the electrical wiring to the outdoor unit.
3 Connecting the electrical wiring to the indoor unit.
4 Connecting the main power supply.

6.5.2 Precautions when connecting the electrical wiring

INFORMATION
Also read the precautions and requirements in the following chapters:
▪ General safety precautions
▪ Preparation
DANGER: RISK OF ELECTROCUTION
WARNING
ALWAYS use multicore cable for power supply cables.
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.
6 Installation

6.5.3 Guidelines when connecting the electrical wiring

Keep the following in mind:
▪ If stranded conductor wires are used, install a round crimp-style
terminal on the end of the wire. Place the round crimp-style terminal on the wire up to the covered part and fasten the terminal with the appropriate tool.
a Stranded conductor wire b Round crimp-style terminal
▪ Use the following methods for installing wires:
Wire type Installation method
Single-core wire
a Curled single-core wire
b Screw
c Flat washer
Stranded conductor wire with round crimp-style terminal
a Terminal
b Screw
c Flat washer
O Allowed
X NOT allowed
Tightening torques
Item Tightening torque (N•m)
M4 (X1M) 1.2~1.5
M4 (earth)
▪ If single-core wires are used, be sure to curl the end of the lead.
Improper work may cause heat or fire.
▪ The earth wire between the wire retainer and the terminal must be
longer than the other wires.
FTXP50~71M2V1B + FTXF20~71A2V1B Daikin room air conditioner 4P513661-8C – 2018.09
WARNING
Do NOT connect the power supply to the indoor unit. This could result in electrical shock or fire.
WARNING
▪ Do NOT use locally purchased electrical parts inside
the product.
▪ Do 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.

6.5.4 Specifications of standard wiring components

Component
Interconnection cable (indoor↔outdoor)
4-core cable ≥1.5mm²
andapplicable for
220~240V
H05RN-F (60245 IEC 57)
15
6 Installation
b
a
c
a b
c
a
b
c
d
e
c
bfa

6.5.5 To connect the electrical wiring on the indoor unit

Electrical work should be carried out in accordance with the installation manual and the national electrical wiring rules or code of practice.
1 Set the indoor unit on the mounting plate hooks. Use the " "
marks as a guide.
a Mounting plate (accessory) b Interconnection cable c Wire guide
2 Open the front panel, and then the service cover. Refer to
"6.2Opening the indoor unit"on page10.
3 Pass the interconnection cable from the outdoor unit through
the feed-through wall hole, through the back of the indoor unit and through the front side.
Note: In case the interconnection cable was stripped in advance, cover the ends with insulating tape.
4 Bend the end of the cable up.

6.5.6 To connect optional accessories (wired user interface, central user interface, wireless adapter, etc.)

1 Remove the electrical wiring box cover (refer to "6.2.5 To
remove the electrical wiring box cover"on page10).
2 Attach the connection cable to the S21 connector and pull the
wire harness as shown in the following figure.
NOTICE
▪ Be sure to keep the power line and transmission line
apart from each other. Transmission wiring and power supply wiring may cross, but may NOT run parallel.
▪ In order to avoid any electrical interference the distance
between both wirings should ALWAYS be at least 50mm.
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.
a Terminal block b Electrical component block c Wire retainer
5 Strip the wire ends approximately 15mm.
6 Match wire colours with terminal numbers on the indoor unit
terminal blocks and firmly screw the wires to the corresponding terminals.
7 Connect the earth wire to the corresponding terminal.
8 Firmly fix the wires with the terminal screws.
9 Pull the wires to make sure that they are securely attached,
then retain the wires with the wire retainer.
10 Shape the wires so that the service cover fits securely, then
close the service cover.
16
a S21 wire harness routing for wireless adapter b S21 wire harness routing for other applications c S21 connector
3 Put the electrical wiring box cover back and pull the wire
harness around it as shown in the figure above.

6.6 Finishing the indoor unit installation

6.6.1 To insulate the drain piping, refrigerant piping and interconnection cable

1 After the drain piping, refrigerant piping and the electrical wiring
are finished. Wrap refrigerant pipes, interconnection cable and drain hose together using insulation tape. Overlap at least half the width of the tape with each turn.
a Drain hose b Interconnection cable c Mounting plate (accessory) d Refrigerant pipes e Indoor unit fixing screw M4×12L (accessory)
f Bottom frame

6.6.2 To pass the pipes through the wall hole

1 Shape the refrigerant pipes along the pipe path marking on the
mounting plate.
FTXP50~71M2V1B + FTXF20~71A2V1B
Daikin room air conditioner
4P513661-8C – 2018.09

7 Configuration

a
b
c c d e
a a
ON/OFF
a
b
a Drain hose b Caulk this hole with putty or caulking material. c Adhesive vinyl tape d Insulation tape e Mounting plate (accessory)
NOTICE
▪ Do NOT bend refrigerant pipes.
▪ Do NOT push the refrigerant pipes onto the bottom
frame or the front grille.
2 Pass the drain hose and refrigerant pipes through the wall hole.

6.6.3 To fix the unit on the mounting plate

1 Set the indoor unit on the mounting plate hooks. Use the " "
marks as a guide.
a Address jumper
NOTICE
Be careful NOT to damage any of the surrounding parts when cutting the address jumper.
3 Turn the power supply on.
Result: The flap of the indoor unit will open and close to set the
reference position.
INFORMATION
▪ For FTXF units, the following setting MUST be
completed within 5minutes after the power supply is turned on.
▪ In case you could NOT complete the setting in time,
turn the power supply off and wait at least 1 minute before turning the power supply back on.
4 Press simultaneously:
Model Buttons
FTXP
FTXF
5 Press:
Model Button
FTXP
FTXF
, and
, and
2 Press the bottom frame of the unit with both hands to set it on
the bottom hooks of the mounting plate. Make sure that the wires do NOT get squeezed anywhere.
Note: Take care that the interconnection cable does NOT get caught in the indoor unit.
3 Press the bottom edge of the indoor unit with both hands until it
is firmly caught by the mounting plate hooks.
4 Secure the indoor unit to the mounting plate using 2 indoor unit
fixing screws M4×12L (accessory).
7 Configuration

7.1 To set a different address

In case 2 indoor units are installed in 1 room, different addresses for 2 user interfaces can be set.
1 Remove the batteries from the user interface.
2 Cut the address jumper.
6 Select:
Model Symbol
FTXP
FTXF
7 Press:
Model Button
FTXP
FTXF
a Operation lamp b Indoor unit ON/OFF switch
8 Press the indoor unit ON/OFF switch while the operation lamp
is blinking.
FTXP50~71M2V1B + FTXF20~71A2V1B Daikin room air conditioner 4P513661-8C – 2018.09
17

8 Commissioning

Jumper Address
Factory setting 1
After cutting with nippers 2
INFORMATION
If the setting could NOT be completed while the operation lamp was blinking, repeat the setting process from the beginning.
9 When the setting is complete, press:
Model Button
FTXP
FTXF
Result: The user interface will return to the previous screen.
Keep pressed for about 5seconds.
8 Commissioning

8.1 Overview: Commissioning

This chapter describes what you have to do and know to commission the system after it is installed.
Typical workflow
Commissioning typically consists of the following stages:
1 Checking the "Checklist before commissioning".
2 Performing a test run for the system.

8.2 Checklist before commissioning

Do NOT operate the system before the following checks are OK:
You read the complete installation instructions, as described in the installer reference guide.
The indoor units are properly mounted.
The outdoor unit is properly mounted.
Air inlet/outlet
Check that the air inlet and outlet of the unit is NOT obstructed by paper sheets, cardboard, or any other material.
There are NO missing phases or reversed phases.
The refrigerant pipes (gas and liquid) are thermally insulated.
Drainage
Make sure drainage flows smoothly.
Possible consequence: Condensate water might drip.
The system is properly earthed and the earth terminals are tightened.
The fuses or locally installed protection devices are installed according to this document, and have NOT been bypassed.
The power supply voltage matches the voltage on the identification label of the unit.
The specified wires are used for the interconnection cable.
The indoor unit receives the signals of the user interface.
There are NO loose connections or damaged electrical components in the switchbox.
The insulation resistance of the compressor is OK.
There are NO damaged components or squeezed pipes on the inside of the indoor and outdoor units.
There are NO refrigerant leaks.
The correct pipe size is installed and the pipes are properly insulated.
The stop valves (gas and liquid) on the outdoor unit are fully open.

8.3 To perform a test run

Prerequisite: Power supply MUST be in the specified range.
Prerequisite: Test run may be performed in cooling or heating
mode.
Prerequisite: Test run should be performed in accordance with the operation manual of the indoor unit to make sure that all functions and parts are working properly.
1 In cooling mode, select the lowest programmable temperature.
In heating mode, select the highest programmable temperature. Test run can be disabled if necessary.
2 When the test run is finished, set the temperature to a normal
level. In cooling mode: 26~28°C, in heating mode: 20~24°C.
3 The system stops operating 3 minutes after the unit is turned
OFF.

8.3.1 To perform a test run in winter season

When operating the air conditioner in Cooling mode in winter, set it to test run operation using the following method.
For FTXP units
1 Press , , and simultaneously.
2 Press .
3 Select .
4 Press .
5 Press to switch the system on.
Result: Test run operation will stop automatically after about
30minutes.
6 To stop operation, press .
For FTXF units
7 Press to switch the system on.
8 Press the centre of , , and simultaneously.
9 Press twice.
Result: will appear on the display. Test run operation is
selected. Test run operation will stop automatically after about 30minutes.
10 To stop operation, press .
INFORMATION
Some of the functions CANNOT be used in the test run operation mode.
If a power failure occurs during operation, the system automatically restarts immediately after power is restored.
18
FTXP50~71M2V1B + FTXF20~71A2V1B
Daikin room air conditioner
4P513661-8C – 2018.09
9 Hand-over to the user
Once the test run is finished and the unit operates properly, please make sure the following is clear for the user:
▪ Make sure that the user has the printed documentation and ask
him/her to keep it for future reference. Inform the user that he can find the complete documentation at the URL mentioned earlier in this manual.
▪ Explain the user how to properly operate the system and what to
do in case of problems.
▪ Show the user what to do for the maintenance of the unit.

10 Disposal

NOTICE
Do NOT try to dismantle the system yourself: dismantling of the system, treatment of the refrigerant, oil and other parts MUST comply with applicable legislation. Units MUST be treated at a specialised treatment facility for reuse, recycling and recovery.

9 Hand-over to the user

FTXP50~71M2V1B + FTXF20~71A2V1B Daikin room air conditioner 4P513661-8C – 2018.09
19

11 Technical data

,
A
INDOOR
OUTDOOR
For applied parts and numbering, refer to the wiring diagram on the unit. Part numbering is by Arabic numbers in ascending order for each part
and is represented in the overview below by symbol “*” in the part code.
Unified Wiring Diagram Legend
: CIRCUIT BREAKER
: CONNECTION
: CONNECTOR
: EARTH
: FIELD WIRING
: FUSE
: INDOOR UNIT
: OUTDOOR UNIT
: PROTECTIVE EARTH
: PROTECTIVE EARTH (SCREW)
: RECTIFIER
: RELAY CONNECTOR
: SHORT-CIRCUIT CONNECTOR
: TERMINAL
: TERMINAL STRIP
: WIRE CLAMP
WHT : WHITE
YLW : YELLOW
PNK : PINK
PRP, PPL : PURPLE
RED : RED
GRN : GREEN
GRY : GREY
ORG : ORANGE
BLK : BLACK
BLU : BLUE
BRN : BROWN
A*P : PRINTED CIRCUIT BOARD
BS* : PUSHBUTTON ON/OFF, OPERATION SWITCH
BZ, H*O : BUZZER
C* : CAPACITOR
AC*, CN*, E*, HA*, HE*, HL*, HN*, : CONNECTION, CONNECTOR
HR*, MR*_A, MR*_B, S*, U, V,
W, X*A, K*R_*
D*, V*D : DIODE
DB* : DIODE BRIDGE
DS* : DIP SWITCH
E*H : HEATER
F*U, FU*
(FOR CHARACTERISTICS,
: FUSE
REFER TO PCB INSIDE YOUR UNIT)
FG* : CONNECTOR (FRAME GROUND)
H* : HARNESS
H*P, LED*, V*L : PILOT LAMP, LIGHT EMITTING DIODE
HAP : LIGHT EMITTING DIODE (SERVICE MONITOR GREEN)
HIGH VOLTAGE : HIGH VOLTAGE
IES : INTELLIGENT EYE SENSOR
IPM* : INTELLIGENT POWER MODULE
K*R, KCR, KFR, KHuR, K*M : MAGNETIC RELAY
L : LIVE
L* : COIL
L*R : REACTOR
M* : STEPPER MOTOR
M*C : COMPRESSOR MOTOR
M*F : FAN MOTOR
M*P : DRAIN PUMP MOTOR
M*S : SWING MOTOR
MR*, MRCW*, MRM*, MRN* : MAGNETIC RELAY
N : NEUTRAL
n=*, N=* : NUMBER OF PASSES THROUGH FERRITE CORE
PAM : PULSE-AMPLITUDE MODULATION
PCB* : PRINTED CIRCUIT BOARD
PM* : POWER MODULE
PS : SWITCHING POWER SUPPLY
PTC* : THERMISTOR PTC
Q* : INSULATED GATE BIPOLAR TRANSISTOR
(IGBT)
Q*DI : EARTH LEAK CIRCUIT BREAKER
Q*L : OVERLOAD PROTECTOR
Q*M : THERMO SWITCH
R* : RESISTOR
R*T : THERMISTOR
RC : RECEIVER
S*C : LIMIT SWITCH
S*L : FLOAT SWITCH
S*NPH : PRESSURE SENSOR (HIGH)
S*NPL : PRESSURE SENSOR (LOW)
S*PH, HPS* : PRESSURE SWITCH (HIGH)
S*PL : PRESSURE SWITCH (LOW)
S*T : THERMOSTAT
S*RH : HUMIDITY SENSOR
S*W, SW* : OPERATION SWITCH
SA*, F1S : SURGE ARRESTOR
SR*, WLU : SIGNAL RECEIVER
SS* : SELECTOR SWITCH
SHEET METAL : TERMINAL STRIP FIXED PLATE
T*R : TRANSFORMER
TC, TRC : TRANSMITTER
V*, R*V : VARISTOR
V*R : DIODE BRIDGE
WRC : WIRELESS REMOTE CONTROLLER
X* : TERMINAL
X*M : TERMINAL STRIP (BLOCK)
Y*E : ELECTRONIC EXPANSION VALVE COIL
Y*R, Y*S : REVERSING SOLENOID VALVE COIL
Z*C : FERRITE CORE
ZF, Z*F : NOISE FILTER
11 Technical data
A subset of the latest technical data is available on the regional Daikin website (publicly accessible). The full set of latest technical data is available on the Daikin extranet (authentication required).

11.1 Wiring diagram

20
FTXP50~71M2V1B + FTXF20~71A2V1B
Daikin room air conditioner
4P513661-8C – 2018.09
12 Glossary
Dealer
Sales distributor for the product.
Authorized installer
Technical skilled person who is qualified to install the product.
User
Person who is owner of the product and/or operates the product.
Applicable legislation
All international, European, national and local directives, laws, regulations and/or codes that are relevant and applicable for a certain product or domain.
Service company
Qualified company which can perform or coordinate the required service to the product.
Installation manual
Instruction manual specified for a certain product or application, explaining how to install, configure and maintain it.
Operation manual
Instruction manual specified for a certain product or application, explaining how to operate it.
Maintenance instructions
Instruction manual specified for a certain product or application, which explains (if relevant) how to install, configure, operate and/or maintain the product or application.
Accessories
Labels, manuals, information sheets and equipment that are delivered with the product and that need to be installed according to the instructions in the accompanying documentation.
Optional equipment
Equipment made or approved by Daikin that can be combined with the product according to the instructions in the accompanying documentation.
Field supply
Equipment NOT made by Daikin that can be combined with the product according to the instructions in the accompanying documentation.

12 Glossary

FTXP50~71M2V1B + FTXF20~71A2V1B Daikin room air conditioner 4P513661-8C – 2018.09
21
4P513661-8C 2018.09
Copyright 2018 Daikin
Loading...