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INSTALLATION MANUAL

REMQ8P9Y1B
REMQ10P8Y1B
REM(H)Q12P8Y1B
REMQ14P8Y1B
REMQ16P8Y1B

System air conditioner

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Summary of Contents for VRV III

Page 1: ...INSTALLATION MANUAL REMQ8P9Y1B REMQ10P8Y1B REM H Q12P8Y1B REMQ14P8Y1B REMQ16P8Y1B System air conditioner ...

Page 2: ... mm d 500 mm a 50 mm b 100 mm c 50 mm d 500 mm a 200 mm b 300 mm a 10 mm b 300 mm c 10 mm d 500 mm e 20 mm a 50 mm b 100 mm c 50 mm d 500 mm e 100 mm a 200 mm b 300 mm e 400 mm a 10 mm b 300 mm c 10 mm d 500 mm e 20 mm f 600 mm a 50 mm b 100 mm c 50 mm d 500 mm e 100 mm f 500 mm a 10 mm b 300 mm c 10 mm d 300 mm e 20 mm f 500 mm a 50 mm b 100 mm c 50 mm d 100 mm e 100 mm f 500 mm 1500 500 11 2 1 6...

Page 3: ...m 500 mm 1 1 1 A B 2 2 2 4 5 3 8 F1 F2 F1 F2 Q1 Q2 F1 F1 F2 F2 Q1Q2 7 TOIN DUNIT TOOUT DUNIT TOMULTIUNIT A1P Q1 Q2 A1P Q1 Q2 A1P 1 2 2 3 4 5 6 8 10 10 9 9 REMQ8 12 REMQ14 16 REMHQ12 1 2 3 4 1 5 6 7 8 F1 F2F1F2 F1 F2F1F2 TO IN D UNIT TO OUT D UNIT TO IN D UNIT TO OUT D UNIT F1 F2 F1 F2 F1 F2 F1 F2 F1 F2 F1 F2 11 10 10 9 9 12 13 14 15 16 17 18 20 19 21 ...

Page 4: ...entom ima uz uvjet da se oni koriste u skladu s našim uputama 16 megfelelnek az alábbi szabvány ok nak vagy egyéb irányadó dokumentum ok nak ha azokat előírás szerint használják 17 spełniają wymogi następujących norm i innych dokumentów normalizacyjnych pod warunkiem że używane są zgodnie z naszymi instrukcjami 18 sunt în conformitate cu următorul următoarele standard e sau alt e document e normat...

Page 5: ...in matalapainepuolen lämpötila L C TSmax Suurinta sallittua painetta PS vastaava kyllästyslämpötila M C Kylmäaine N Varmuuspainelaitteen asetus P bar Valmistusnumero ja valmistusvuosi katso mallin nimikilpi 14 Maximální přípustný tlak PS K bar Minimální maximální přípustná teplota TS TSmin Minimální teplota na nízkotlaké straně L C TSmax Saturovaná teplota odpovídající maximálnímu přípustnému tlak...

Page 6: ... 75 kW For changing the refrigerant flow to indoor units the REYQ P system can be combined with BS units of the types BSVQ100P BSVQ160P and BSVQ250P only Other BS unit types will cause malfunctions when combined with the REYQ P system The REM H Q P units can be combined with Daikin VRV indoor units for air conditioning purposes suitable for R410A The present installation manual describes the proce...

Page 7: ... REYQ48 REMQ16 REMQ16 REMQ16 600 1560 Standard combinations of outdoor units Total capacity of indoor units REYHQ16 REMQ8 REMQ8 200 520 REYHQ20 REMQ8 REMHQ12 250 650 REYHQ22 REMQ10 REMHQ12 275 715 REYHQ24 REMHQ12 REMHQ12 300 780 NOTE When installing a multi outdoor system with 2 units BHFQ23P907 outdoor unit multi connection piping kit is required with 3 units BHFQ23P1357 outdoor unit multi connec...

Page 8: ...lowable safety limits in the event of a refrigerant leak 11 To prevent dripping water to form a puddle underneath the unit install a drain pan available as option kit 12 The equipment is not intended for use in a potentially explosive atmosphere Make sure to provide for adequate measures in order to prevent that the outdoor unit be used as a shelter by small animals Small animals making contact wi...

Page 9: ...e The height of the foundation must at least be 150 mm from the floor The unit must be installed on a solid longitudinal foundation steelbeam frame or concrete and make sure the base under the unit is larger than the grey marked area as indicated in figure 3 Fasten the unit in place using four foundation bolts M12 It is best to screw in the foundation bolts until their length remains 20 mm above t...

Page 10: ...iping must be installed by a licensed refrigeration technician and must comply with relevant local and national regulations Caution to be taken when brazing refrigerant piping Do not use flux when brazing copper to copper refrigerant piping Particularly for the HFC refrigerant piping Therefore use the phosphor copper brazing filler metal BCuP which does not require flux Flux has extremely harmful ...

Page 11: ...alves are fully closed 2 Connect a charge hose to service ports of all stop valves 3 Recover gas and oil from the pinched piping by using a recovery unit 4 When all gas and oil is recovered from the pinched piping disconnect the charge hose and close the service ports 5 In case the pinched piping lower parts looks like detail A in figure 6 proceed with procedure step 8 In case the pinched piping l...

Page 12: ...ons The piping between the outdoor units must be routed level or slightly upward to avoid the risk of oil retention into the piping side Pattern 1 Pattern 2 Prohibited patterns change to pattern 1 or 2 To avoid the risk of oil retention to the outmost outdoor unit always connect the stop valve and the piping between outdoor units as shown in the 4 correct possibilities of the figure below NOTE All...

Page 13: ...lation may lead to malfunction of the outdoor unit 5 Piping length restrictions Make sure to perform the piping installation within the range of the maximum allowable pipe length allowable level difference and allowable length after branching as indicated in 6 6 Example of connection on page 9 6 5 Protection against contamination when installing pipes Take measures to prevent foreign materials lik...

Page 14: ... 40 m Outdoor unit multi connection piping kit and refrigerant branch kit selection How to select the refnet joint When using refnet joints at the first branch counted from the outdoor unit side choose from the following table in accordance with the capacity of the outdoor unit example refnet joint A How to select the refnet header Choose from the following table in accordance with the total capac...

Page 15: ...cted outdoor unit Suction gas pipe Liquid pipe 20 25 32 40 50 12 7 6 4 Outdoor unit capacity type Hp Piping outer diameter size mm 63 80 100 125 15 9 9 5 Suction gas pipe HP LP gas pipe Liquid pipe 200 19 1 9 5 8 10 22 2 19 1 9 5 250 22 2 9 5 12 28 6 19 1 12 7 14 16 28 6 22 2 12 7 D Equalizer piping outdoor units only Piping outer diameter size mm 19 1 How to calculate the additional refrigerant t...

Page 16: ...to 90 m Size up of the main suction gas pipe may affect a good oil return to the outdoor unit due to influence of the HP LP gas pipe indoor unit 8 b c d e f g p 90 m increase the pipe size of b c d e f g Increase the pipe size as follows For calculation of total extension length the actual length of above pipes must be doubled except length of main pipes and of pipes which do not have an increased...

Page 17: ... fan PS Switching power supply A1P A3P Q1DI Earth leakage breaker field supply Q1RP Phase reversal detection circuit R1T Thermistor air A1P fin A3P R3T R9T Thermistor H E gas H E de icer sub cool H E gas sub cool H E liquid H E liquid suction liquid R10 Resistor current sensor A4P A8P R31T R33T Thermistor discharge M1C M3C R50 R59 Resistor R90 Resistor current sensor R95 Resistor current limiting ...

Page 18: ... for connection wiring to indoor outdoor transmission F1 F2 outdoor outdoor transmission F1 F2 outdoor multi transmission Q1 Q2 and on how to use BS1 BS5 and DS1 DS2 switch Do not operate the unit by short circuiting protection device S1PH S3PH NOTE Use copper conductors only For connection wiring to the central remote controller refer to the installation manual of the central remote controller Us...

Page 19: ...ans that an earth leakage breaker capable of handling high frequency electrical noise must be used in order to prevent malfunctioning of the earth leakage breaker itself Earth leakage breakers that are especially designed for protecting ground faults must be used in conjunction with main switch and fuse for use with wiring Never connect the power supply in reversed phase The unit can not operate n...

Page 20: ...the back of the electric box lid 2 Power wiring and ground wiring between outdoor units inside conduit When the wiring is routed out through the lateral panel 3 Transmission wiring 4 Pipe opening 5 Conduit 6 Power wiring and ground wiring 7 Cut off the shaded zones before use 8 Through hole cover 1 Knockout hole 2 Burr 3 If there are any possibilities that small animals enter the system through th...

Page 21: ...ansmission wiring between outdoor units 1 Liquid pipe 2 HP LP gas pipe 3 Finishing tape 4 Suction gas pipe 5 Transmission wiring 6 Insulation material 1 Power supply 380 415 V 3N 50 Hz 2 Earth leakage breaker 3 Fuse 4 Grounding wire 5 Power supply terminal block 6 Connect each power wire RED to L1 WHT to L2 BLK to L3 and BLU to N 7 Ground wire GRN YLW 8 Clamp the power wire to the plastic bracket ...

Page 22: ...rigerant follow the procedure as described in this chapter 11 1 Important information regarding the refrigerant used This product contains fluorinated greenhouse gases covered by the Kyoto Protocol Do not vent gases into the atmosphere Refrigerant type R410A GWP 1 value 1975 1 GWP global warming potential Please fill in with indelible ink the factory refrigerant charge of the product the additiona...

Page 23: ...at are active can be read from the LED display in the Monitor Mode procedure below NOTE National implementation of EU regulation on certain fluorinated greenhouse gases may require to provide the appropriate official national language on the unit Therefore an additional multilingual fluorinated greenhouse gases label is supplied with the unit Sticking instructions are illustrated on the backside o...

Page 24: ... button to return to step 1 setting mode 1 H1P x OFF Adding refrigerant using the automatic refrigerant charging function is recommended When charging a system charging over the permissible quantity can cause liquid hammer Always use protective gloves and protect your eyes when charging refrigerant When the refrigerant charging procedure is done or when pausing close the valve of the refrigerant t...

Page 25: ...o BS unit indoor unit 13 Stop valve 14 Service port 15 Field piping 16 Refrigerant flow when pre charging through the liquid stop valve service port refer to step 3 on page 19 17 Refrigerant flow when automatic charging through the charge port refer to step 5 on page 20 18 The refrigerant will be charged with 30 kg in 1 hour at an outdoor temperature of 30 C DB 12 kg at 0 C DB If you need to speed...

Page 26: ... to confirm that charging is completed Record the amount that was added on the additional refrigerant charge label provided with the unit and attach it on the back side of the front panel Perform the procedure 11 6 Procedure for inputting the additional refrigerant charge weight into the PCB as described on page 22 10 In case leak detection function not required Press the button once and the charg...

Page 27: ...g c x x w x x x x w Slave unit 1 a c x x x x x x x c Slave unit 2 a c x x x x x x x x Error code P8 recharge operation Close valve A immediately and press the TEST OPERATION button once The operation will restart from the charging mode judgement onwards P2 charge hold Close valve A immediately Check following items Check if the gas side stop valve is opened correctly Check if the valve of the refr...

Page 28: ...procedure from step 2 onwards Make sure to open the stop valves after charging the refrigerant Operating with the stop valves closed will damage the compressor BS1 MODE BS1 MODE WARNING ELECTRIC SHOCK Caution when performing service to inverter equipment 1 Do not open the electric box cover for 10 minutes after the power supply is turned off 2 Measure the voltage between terminals on the terminal ...

Page 29: ...itch which is located on the outdoor unit PCB A1P The figure shows state of the LED indications when the unit is shipped from the factory Check operation procedure 1 Turn the power on for the outdoor unit and the indoor unit Be sure to turn the power on at least 6 hours before operation in order to have power running to the crankcase heater 2 Make sure that transmission is normal by checking the L...

Page 30: ...n state x normal w abnormal c under preparation or under test operation 2 Indication of low noise operation state x standard operation factory setting w operation 3 Indication of power consumption limitation setting x standard operation factory setting w operation NOTE If you get confused in the middle of the setting process push the button Then it returns to setting mode 1 H1P LED is off Possible...

Page 31: ...tarts During the test operation the refrigerant running sound or the magnetic sound of a solenoid valve may become loud and the LED display may change but these are not mal functions During the test operation it is not possible to stop the unit operation from a remote controller To abort the operation press the button The unit will stop after 30 seconds 6 Close the front panel in order to let it n...

Page 32: ...igerant charge hose to the refrigerant charging port for additionaly charging 4 When the unit is not operating push the button until the additional refrigerant charging operation function A in setting mode 2 can be defined refer to Setting the mode on page 25 the H1P LED is on w 5 The operation starts automatically The H2P LED will start flashing c and the messages Test operation and Under central...

Page 33: ... heavier than air Procedure for checking maximum concentration Check the maximum concentration level in accordance with steps 1 to 4 below and take whatever action is necessary to comply 1 Calculate the amount of refrigerant kg charged to each system separately 2 Calculate the smallest room volume m3 In a case such as the following calculate the volume of A B as a single room or as the smallest ro...

Page 34: ...6P8 REMHQ12P8Y1B VRVIII System air conditioner 4PW48463 1A 16 DISPOSAL REQUIREMENTS Dismantling of the unit treatment of the refrigerant of oil and of other parts must be done in accordance with relevant local and national legislation NOTES ...

Page 35: ... 3 2 6 6 6 6 23 18 9 8 1 2 4 3 5 13 14 15 10 7 12 19 2 1 24 6 11 16 17 15 6 5 10 11 12 7 4 9 16 17 18 3 8 13 14 2 2 1 1 9 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 4 4 6 6 6 6 6 6 NOTES 22 23 24 ...

Page 36: ...4PW48463 1A Copyright Daikin ...

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