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1 General safety precautions

Installer reference guide

3

35R5V1B RXM20~35R5V1B
R32 Split Series
4P519439-8H – 2020.07

▪ The  installation  of  the  system,  and  all  activities  described  in  the

installation  manual  and  in  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/SCALDING

Indicates  a  situation  that  could  result  in  burning/scalding
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.

Symbols used on the unit:

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.

The unit contains rotating parts. Be careful when
servicing or inspecting the unit.

Symbols used in the documentation:

Symbol

Explanation

Indicates a figure title or a reference to it.

Example: 

"  1–3 Figure title" means "Figure 3 in

chapter 1".

Indicates a table title or a reference to it.

Example: 

"  1–3 Table title" means "Table 3 in

chapter 1".

1.2

For the installer

1.2.1

General

If  you  are  NOT  sure  how  to  install  or  operate  the  unit,  contact  your
dealer.

DANGER: RISK OF BURNING/SCALDING

▪ 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

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

▪ 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 weight and vibration

of the unit.

Summary of Contents for ARXM-R

Page 1: ...Installer reference guide R32 Split Series English Installer reference guide R32 Split Series RXM20R5V1B RXM25R5V1B RXM35R5V1B ARXM25R5V1B ARXM35R5V1B ...

Page 2: ... 15 6 5 3 To check for leaks 16 6 5 4 To perform vacuum drying 16 6 6 Charging refrigerant 16 6 6 1 About charging refrigerant 16 6 6 2 About the refrigerant 17 6 6 3 Precautions when charging refrigerant 17 6 6 4 To determine the additional refrigerant amount 17 6 6 5 To determine the complete recharge amount 17 6 6 6 To charge additional refrigerant 17 6 6 7 To fix the fluorinated greenhouse gas...

Page 3: ...ter 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 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 part...

Page 4: ...sed in the duct work air 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 Precautions shall be taken to avoid excessive vibration or pulsation to refrigeration piping Protection devices piping and fittings shall be protected as far as possible against adverse environmental effects Provision sh...

Page 5: ... 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 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 7 956 59 9 Wall mounted unit b m kg ...

Page 6: ... 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 1 2 4 Water If applicable See the installation manual or installer reference guide of your applic...

Page 7: ...llers 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 outdoor unit Outdoor unit installation manual Installation instructions Format Paper in the box of the outdoor unit Installer reference guide Preparation of the installation reference dat...

Page 8: ...the accessories at the bottom of the package 1 1 1 1 1 1 b e c d a f a General safety precautions b Outdoor unit installation manual c Fluorinated greenhouse gases label d Multilingual fluorinated greenhouse gases label e Drain plug located on the bottom of the packing case f Energy label 4 About the unit WARNING FLAMMABLE MATERIAL The refrigerant inside this unit is mildly flammable 4 1 Overview ...

Page 9: ...RNING Do NOT place objects below the indoor and or outdoor unit that may get wet Otherwise condensation on the main unit or refrigerant pipes air filter dirt or drain blockage may cause dripping and objects under the unit may get dirty or damaged WARNING The appliance shall be stored in a room without continuously operating ignition sources example open flames an operating gas appliance or an oper...

Page 10: ... winds Example Behind the building b c a If the outdoor unit is exposed to direct sea winds install a windbreaker Height of windbreaker 1 5 height of outdoor unit Mind the service space requirements when installing the windbreaker a b c d c d a Sea wind b Building c Outdoor unit d Windbreaker The outdoor unit is designed for outdoor installation only and for ambient temperatures ranging from 10 50...

Page 11: ... 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 ...

Page 12: ...Use a vibration proof rubber field supply in cases where vibrations may be transmitted to the building Fix the unit securely by means of foundation bolts in accordance with the foundation drawing Prepare 4 sets of M8 or M10 anchor bolts nuts and washers field supply 20 mm 311 5 7 4 2 1 1 mm 2 1 1 a a 100 mm above expected level of snow 6 3 4 To install the outdoor unit 4 M8 M10 6 3 5 To provide dr...

Page 13: ...s when connecting the refrigerant piping INFORMATION Also read the precautions and requirements in the following chapters General safety precautions Preparation DANGER RISK OF BURNING SCALDING CAUTION Use the flare nut fixed to the unit To prevent gas leakage apply refrigeration oil only to the inside of the flare Use refrigeration oil for R32 Do NOT reuse joints CAUTION Do NOT use mineral oil on ...

Page 14: ...ent 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 a b 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 ...

Page 15: ...Service port 2 Connect the gas refrigerant connection from the indoor unit to the gas stop valve of the outdoor unit NOTICE It is recommended that the refrigerant piping between indoor and outdoor unit is installed in a ducting or the refrigerant piping is wrapped with finishing tape 6 5 Checking the refrigerant piping 6 5 1 About checking the refrigerant piping The outdoor unit s internal refrige...

Page 16: ...rying again NOTICE Make sure to open the stop valves after installing the refrigerant piping and performing vacuum drying Running the system with the stop valves closed may break the compressor INFORMATION After opening the stop valve it is possible that the pressure in the refrigerant piping does NOT increase This might be caused by e g the closed state of the expansion valve in the outdoor unit ...

Page 17: ... To determine the complete recharge amount INFORMATION If a complete recharge is necessary the total refrigerant charge is the factory refrigerant charge see unit name plate the determined additional amount 6 6 6 To charge additional refrigerant WARNING Only use R32 as refrigerant Other substances may cause explosions and accidents R32 contains fluorinated greenhouse gases Its global warming poten...

Page 18: ...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 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 EL...

Page 19: ...ock or leakage 3 Open the wire clamp 4 Connect the interconnection cable and power supply as follows 50 Hz 220 240 V c d f a b e a Interconnection cable b Power supply cable c Circuit breaker d Earth leakage circuit breaker e Power supply f Earth 3 5 Tighten the terminal screws securely We recommend using a Phillips screwdriver 6 8 Finishing the outdoor unit installation 6 8 1 To finish the outdoo...

Page 20: ... be closed Power up the unit after it is closed The indoor unit is properly mounted The outdoor unit is properly mounted The system is properly earthed and the earth terminals are tightened The power supply voltage matches the voltage on the identification label of the unit There are NO loose connections or damaged electrical components in the switch box There are NO damaged components or squeezed...

Page 21: ...at least once a year However applicable legislation might require shorter maintenance intervals NOTICE Applicable legislation on fluorinated greenhouse gases requires that the refrigerant charge of the unit is indicated both in weight and CO2 equivalent Formula to calculate the quantity in CO2 equivalent tonnes GWP value of the refrigerant total refrigerant charge in kg 1000 10 1 Overview Maintena...

Page 22: ...he connection of the earth wiring 11 3 5 Symptom Unit does NOT function or burn damage Possible causes Corrective action The wiring was NOT performed in accordance with the specifications Correct the wiring 11 4 Fault diagnosis using LED on outdoor unit PCB LED is Diagnosis flashing Normal Check the indoor unit ON Turn the power OFF and back ON and check the LED within approximately 3 minutes If t...

Page 23: ...forced cooling a c b d d e a Gas stop valve b Closing direction c Hexagonal wrench d Valve cap e Liquid stop valve 12 3 To start and stop forced cooling There are 2 methods to perform forced cooling Method 1 Using the indoor unit ON OFF switch if present on the indoor unit Method 2 Using the indoor unit user interface 12 3 1 To start and stop forced cooling using the indoor unit ON OFF switch 1 Pr...

Page 24: ...ITCH 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 ...

Page 25: ...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 ...

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Page 28: ...STANBUL TÜRKİYE Tel 0216 453 27 00 Faks 0216 671 06 00 Çağrı Merkezi 444 999 0 Web www daikin com tr Gülsuyu Mahallesi Fevzi Çakmak Caddesi Burçak Sokak No 20 34848 Maltepe 4P519439 8H 2020 07 Copyright 2020 Daikin Verantwortung für Energie und Umwelt ...

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