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1 General safety precautions

Installer and user reference guide

4

RXYSCQ4~6TMV1B

VRV IV-S system air conditioner

4P404224-1C – 2019.07

INFORMATION

Indicates useful tips or additional information.

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 user

▪ If you are NOT sure how to operate the unit, contact your installer.

▪ This  appliance  can  be  used  by  children  aged  from  8  years  and

above  and  persons  with  reduced  physical,  sensory  or  mental
capabilities or lack of experience and knowledge if they have been
given supervision or instruction concerning use of the appliance in
a  safe  way  and  understand  the  hazards  involved.  Children  shall
NOT  play  with  the  appliance.  Cleaning  and  user  maintenance
shall NOT be made by children without supervision.

WARNING

To prevent electric shocks or fire:

▪ Do NOT rinse the unit.

▪ Do NOT operate the unit with wet hands.

▪ Do NOT place any objects containing water on the unit.

NOTICE

▪ Do  NOT  place  any  objects  or  equipment  on  top  of  the

unit.

▪ Do NOT sit, climb or stand on the unit.

▪ Units are marked with the following symbol:

This  means  that  electrical  and  electronic  products  may  NOT  be
mixed  with  unsorted  household  waste.  Do  NOT  try  to  dismantle
the  system  yourself:  the  dismantling  of  the  system,  treatment  of
the  refrigerant,  of  oil  and  of  other  parts  must  be  done  by  an
authorized installer and must comply with applicable legislation.
Units must be treated at a specialized treatment facility for reuse,
recycling  and  recovery.  By  ensuring  this  product  is  disposed  of
correctly, you will help to prevent potential negative consequences
for  the  environment  and  human  health.  For  more  information,
contact your installer or local authority.

▪ Batteries are marked with the following symbol:

This  means  that  the  batteries  may  NOT  be  mixed  with  unsorted
household  waste.  If  a  chemical  symbol  is  printed  beneath  the
symbol,  this  chemical  symbol  means  that  the  battery  contains  a
heavy metal above a certain concentration.
Possible chemical symbols are: Pb: lead (>0.004%).
Waste batteries must be treated at a specialized treatment facility
for  reuse.  By  ensuring  waste  batteries  are  disposed  of  correctly,
you  will  help  to  prevent  potential  negative  consequences  for  the
environment and human health.

1.3

For the installer

1.3.1

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.

Содержание RXYSCQ6TMV1B

Страница 1: ...Installer and user reference guide VRV IV S system air conditioner English Installer and user reference guide VRV IV S system air conditioner RXYSCQ4TMV1B RXYSCQ5TMV1B RXYSCQ6TMV1B...

Страница 2: ...5 To flare the pipe end 17 6 4 6 To braze the pipe end 18 6 4 7 Using the stop valve and service port 18 6 4 8 To connect the refrigerant piping to the outdoor unit 19 6 4 9 To connect the refrigerant...

Страница 3: ...om The fan speed does not correspond to the setting 50 20 2 4 Symptom The fan direction does not correspond to the setting 50 20 2 5 Symptom White mist comes out of a unit Indoor unit 50 20 2 6 Sympto...

Страница 4: ...symbols are Pb lead 0 004 Waste batteries must be treated at a specialized treatment facility for reuse By ensuring waste batteries are disposed of correctly you will help to prevent potential negativ...

Страница 5: ...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 WA...

Страница 6: ...arth 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 n...

Страница 7: ...ngineering 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 Business Portal a...

Страница 8: ...mpact S series Q Refrigerant R410A 4 6 Capacity class TM VRV IV series V1 Power supply B European market Minor model change indication 4 3 About the outdoor unit This installation manual concerns the...

Страница 9: ...tion and power consumption limitation operation The external control adapter has to be installed in the indoor unit PC configurator cable EKPCCAB You can make several commissioning field settings thro...

Страница 10: ...vessels Where 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 t...

Страница 11: ...of the refrigerant gas in 1 m3 volume of the occupied space Compliance to the local applicable regulations and standards for the maximum allowable concentration level is required According to the appr...

Страница 12: ...3 4 Half hard 1 2H 0 80 mm a Depending on the applicable legislation and the unit s maximum working pressure see PS High on the unit name plate larger piping thickness might be required 5 3 3 To selec...

Страница 13: ...on page 12 Refnet joint at first branch counting from outdoor unit When using refnet joints at the first branch counted from the outdoor unit side choose from the following table in accordance with t...

Страница 14: ...Limit 30 m 30 m Outdoor lower than indoor Maximum height difference indoor indoor Examples H2 Limit 15 m 15 m Maximum height difference outdoor BP Example 2 H3 Limit N A 30 m Maximum height differenc...

Страница 15: ...units Connecting the refrigerant piping Checking the refrigerant piping Charging refrigerant Connecting the electrical wiring Finishing the outdoor installation Finishing the indoor installation INFO...

Страница 16: ...he unit to provide a free space of more than 150 mm under the outdoor unit 150 mm Drain holes dimensions in mm 52 102 118 59 62 216 130 20 98 21 89 32 a a Drain holes 6 3 6 To prevent the outdoor unit...

Страница 17: ...g 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...

Страница 18: ...e corrosion or in particular if the flux contains fluorine it will deteriorate the refrigerant oil Always protect the surrounding surfaces e g insulation foam from heat when brazing 6 4 7 Using the st...

Страница 19: ...flat head screwdriver and a hammer Optionally cut out the slits b with a metal saw NOTICE Precautions when making knockout holes Avoid damaging the casing and underlying piping After making the knock...

Страница 20: ...l the outdoor unit has finished the initialisation Leak test and vacuum drying Checking the refrigerant piping involves Checking for any leakages in the refrigerant piping Performing vacuum drying to...

Страница 21: ...ant charge port or first pre charge a portion of refrigerant through the liquid line either open the outdoor unit stop valves or keep them closed See 6 7 4 To charge refrigerant on page 22 for more in...

Страница 22: ...ht factor Piping Weight factor 6 4 mm 0 022 6 mm 0 018 9 5 mm 0 059 10 mm 0 065 Connection ratio requirements When selecting indoor units the connection ratio must comply with the following requiremen...

Страница 23: ...g with the stop valves closed will damage the compressor NOTICE After adding the refrigerant do not forget to close the lid of the refrigerant charging port The tightening torque for the lid is 11 5 t...

Страница 24: ...error No branching is allowed after branching A B C b2 b3 c1 c2 b1 a A Outdoor unit B Indoor unit C Central user interface etc a Main line b1 b2 b3 Branch lines c1 c2 No branch is allowed after branc...

Страница 25: ...knockout holes wrap the wiring with protective tape to prevent damage b c a a Knockout hole b Burr c Sealant etc 6 8 4 Guidelines when connecting the electrical wiring Keep the following in mind If st...

Страница 26: ...n sleeve for the conduits PG insertions can be inserted at the knockout hole When you do not use a wire conduit protect the wires with vinyl tubes to prevent the edge of the knockout hole from cutting...

Страница 27: ...l Mode 2 field settings Mode 2 is used to change the field settings of the system Consulting the current field setting value and changing the current field setting value is possible In general normal...

Страница 28: ...least 5 s INFORMATION If you get confused in the middle of the process press BS1 to return to the default situation 7 2 5 To use mode 1 In mode 1 and in default situation you can read out some informa...

Страница 29: ...consumption limitation of the outdoor unit system The first method is to enable a forced power consumption limitation by field setting The unit will always operate at the selected power consumption li...

Страница 30: ...ion was not aborted by pushing BS3 the unit will stop its operation after 30 minutes If 30 minutes was not sufficient to add the needed refrigerant amount the function can be reactivated by changing t...

Страница 31: ...an external signal is sent to the unit this setting defines the level power consumption limitation that will be applied for step 2 The level is according to the table 30 default 40 50 2 32 Forced all...

Страница 32: ...temperatures e g 15 C as under low outdoor ambient temperatures e g 5 C Using this idea the system automatically starts decreasing its refrigerant temperature automatically reducing the delivered capa...

Страница 33: ...In case of cooling operation the evaporating temperature is allowed to go down to 6 C on temporary base depending on the situation In case of heating operation the condense temperature is allowed to...

Страница 34: ...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...

Страница 35: ...ttached to the rear side of the front cover Installation date and field setting Be sure to keep a record of the installation date on the sticker on the rear of the front panel according to EN60335 2 4...

Страница 36: ...ant charge in kg 1000 10 1 Overview Maintenance and service This chapter contains information about Preventing electrical hazards when maintaining and servicing the system The refrigerant recovery ope...

Страница 37: ...oose connections or defective wiring 11 2 Precautions when troubleshooting WARNING When carrying out an inspection on the switch box of the unit ALWAYS make sure that the unit is disconnected from the...

Страница 38: ...unction S1NPL open circuit short circuit A1P X18A Check connection on PCB or actuator Transmission outdoor unit inverter INV1 FAN1 transmission trouble Check connection INV1 unbalanced power supply vo...

Страница 39: ...00 500 B D E 1 2 1 HB HD HB HU 250 750 1000 500 HU HB HU 250 1000 1000 500 HB HU HB HD HD HU 100 1000 1000 500 HU HD HU 200 1000 1000 500 HD HU A B C 250 300 1000 A B C E 250 300 1000 1000 500 D 1000...

Страница 40: ...A2 A1 If there is danger of drainage dripping and freezing between the upper and lower units A2 Then install a roof between the upper and lower units Install the upper unit high enough above the lowe...

Страница 41: ...er h Service port high pressure i Muffler j Check valve k Compressor accumulator l Capillary tube m Service port refrigerant charge n Accumulator M1C Compressor M1F Fan motor R1T Thermistor air R2T Th...

Страница 42: ...d main A2P Printed circuit board BS1 BS5 Push button switch C1 Capacitor DS1 DIP switch E1HC Crankcase heater F1U Fuse F3U F4U Fuse T 6 3 A 250 V F6U Fuse T 5 0 A 250 V H1P H8P Light emitting diode se...

Страница 43: ...y Air SA direct expansion DX indoor units f Residential Air RA direct expansion DX indoor units g User interface wireless dedicated depending on indoor unit type 15 User interface CAUTION NEVER touch...

Страница 44: ...st operation the heating capacity on the indoor unit side will temporarily drop until defrosting is completed After defrosting the unit will regain its full heating capacity The indoor unit will stop...

Страница 45: ...er interface dedicated depending on indoor unit type e BP box required to connect Residential Air RA or Sky Air SA direct expansion DX indoor units f Residential Air RA direct expansion DX indoor unit...

Страница 46: ...equipped with advanced energy saving functionality Depending on the priority emphasises can be put on energy saving or comfort level Several parameters can be selected resulting in the optimal balanc...

Страница 47: ...it 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 Please contact your instal...

Страница 48: ...le indicates main components Refer to your maintenance and inspection contract for more details The table indicates recommended intervals of replacement cycles However in order to keep the unit operat...

Страница 49: ...or Movement detector or floor temperature sensor malfunction indoor User interface thermistor malfunction indoor PCB malfunction outdoor High pressure switch was activated Low pressure malfunction out...

Страница 50: ...arts after a few minutes This is because the user interface is intercepting noise from electric appliances other than the air conditioner The noise prevents communication between the units causing the...

Страница 51: ...n the selection is done the LOT 21 datasheet can be viewed as a PDF or a HTML webpage INFORMATION Other documents e g manuals can also be consulted from the resulting webpage 24 Glossary Dealer Sales...

Страница 52: ...4P404224 1C 2019 07 Copyright 2015 Daikin...

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