Daikin VRV IV+ RXYTQ10U5/U7YF Installation And Operation Manual Download

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Summary of Contents for VRV IV+ RXYTQ10U5/U7YF

Page 1: ...tion manual VRV IV heat pump for high ambient temperatures English Installation and operation manual VRV IV heat pump for high ambient temperatures RXYTQ8U5 U7YF RXYTQ10U5 U7YF RXYTQ12U5 U7YF RXYTQ14U...

Page 2: ...oor unit fan does not spin 12 8 2 15 Symptom The display shows 88 12 8 2 16 Symptom The compressor in the outdoor unit does not stop after a short heating operation 12 8 2 17 Symptom The inside of an...

Page 3: ...rence data Detailed step by step instructions and background information for basic and advanced usage Format Digital files on http www daikineurope com support and manuals product information Latest r...

Page 4: ...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 electri...

Page 5: ...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 le...

Page 6: ...ge electrical shock or fire Contact your dealer WARNING The refrigerant in the system is safe and normally does not leak If the refrigerant leaks in the room contact with a fire of a burner a heater o...

Page 7: ...cooled coil increases over time restricting the energy transfer to the outdoor unit s coil Heating capability decreases and the system needs to go into defrost operation to be able to remove frost fr...

Page 8: ...details To stop 5 Press the ON OFF button on the user interface once again Result The operation lamp goes out and the system stops operating NOTICE Do not turn off power immediately after the unit st...

Page 9: ...the warranty card at hand 7 2 2 Recommended maintenance and inspection Since dust collects when using the unit for several years performance of the unit will deteriorate to some extent As taking apart...

Page 10: ...ction code reset the code by pushing the ON OFF button If not ask your installer for advice Main code Contents External protection device was activated EEPROM failure indoor Drain system malfunction i...

Page 11: ...another indoor unit is in heating operation if the button is pressed 8 2 5 Symptom The fan direction does not correspond to the setting The fan direction does not correspond with the user interface d...

Page 12: ...30 10 20 19 9 29 39 38 28 8 18 17 7 27 37 36 26 6 16 15 5 25 35 34 23 24 4 3 2 1 INSTALLATION MODELNAME No 12 13 14 50 49 48 47 46 45 60 59 58 57 56 64 63 62 61 11 22 21 33 32 31 44 43 42 41 55 54 53...

Page 13: ...e outdoor unit is designed to work in heating mode at ambient temperatures from 20 C WB to 15 5 C WB and in cooling mode at ambient temperatures from 5 C DB to 52 C DB Unit weights Model Total net wei...

Page 14: ...the grey marked area 729 613 929 AB AA a mm Minimum foundation a Anchor point 4 HP AA AB 8 766 992 10 16 1076 1302 Fasten the unit in place using four foundation bolts M12 It is best to screw in the...

Page 15: ...D capacity index of unit 1 capacity index of unit 2 E Piping between refrigerant branch kit and indoor unit Pipe size for direct connection to indoor unit must be the same as the connection size of th...

Page 16: ...ollowing table in accordance with the total capacity of all the indoor units connected below the refnet header Indoor unit capacity index 2 pipes 200 KHRQ22M29H 200 x 290 290 x 640 KHRQ22M64H a 640 KH...

Page 17: ...r paint to prevent rusting When passing electrical wiring through the knockout holes wrap the wiring with protective tape to prevent damage 14 2 2 To connect the refrigerant piping to the outdoor unit...

Page 18: ...en the 19 1 25 4 mm stop valve turn the hexagonal wrench until a torque between 27 and 33 N m is achieved Inadequate torque may cause leakage of refrigerant and breakage of the stop valve cap NOTICE P...

Page 19: ...oil has dripped out before continuing with the connection of the field piping in case the recovery was not complete 14 3 Checking the refrigerant piping 14 3 1 About checking the refrigerant piping Re...

Page 20: ...to the unit If not see also the flow chart earlier described in this chapter see 14 3 1 About checking the refrigerant piping 419 14 3 4 To perform a leak test The leak test must satisfy the specific...

Page 21: ...is as normal see 16 1 4 To access mode 1 or 2 429 If a malfunction code is present see 19 1 Solving problems based on error codes 433 NOTICE Make sure all connected indoor units are recognised see 1 1...

Page 22: ...outdoor unit to the farthest indoor unit b Total CR Total indoor unit capacity connection ratio c In case of a multi outdoor unit system add the sum of the individual outdoor unit charge factors Metr...

Page 23: ...charging refrigerant Step 1 Calculate additional refrigerant charge amount R kg Refrigerant overcharge happened recover refrigerant to reach R Q Step 2 Open valves C and B to the liquid line Execute...

Page 24: ...out outdoor unit operation If Then The additional refrigerant amount is smaller than 10 kg Perform steps 2 3 The additional refrigerant charge is larger than 10 kg Perform steps 2 8 3 Pre charging can...

Page 25: ...y charge refrigerant INFORMATION The manual refrigerant charge operation will automatically stop within 30 minutes If charging is not completed after 30 minutes perform the additional refrigerant char...

Page 26: ...esult by 1 1 and select the next higher recommended fuse capacity Example Combining the RXYTQ30 by using the RXYTQ8 RXYTQ10 and RXYTQ12 Minimum circuit ampacity of the RXYTQ8 16 1 A Minimum circuit am...

Page 27: ...A1P d d e f b a c Q1 Q2 a Unit A master outdoor unit b Unit B slave outdoor unit c Unit C slave outdoor unit d Master slave transmission Q1 Q2 e Outdoor indoor transmission F1 F2 f Outdoor unit other...

Page 28: ...lt should be removed Attach both cables to the power supply terminal as indicated below L1 L2 L2 N 15 8 To check the insulation resistance of the compressor NOTICE If after installation refrigerant ac...

Page 29: ...a b c a Front plate b Main PCB with 3 7 segment displays and 3 push buttons c Electrical component box service cover Operate the switches and push buttons with an insulated stick such as a closed ball...

Page 30: ...e required value is selected you can define the change of value by pushing BS3 1 time Press BS3 again to start operation according to the chosen value 16 1 7 Mode 1 Monitoring settings 1 0 Shows wheth...

Page 31: ...described below 17 1 Precautions when commissioning CAUTION Do NOT perform the test operation while working on the indoor units When performing the test operation NOT ONLY the outdoor unit but the co...

Page 32: ...ing communication check with indoor units Check of the stop valves opening Judgement of piping length Abnormalities on indoor units cannot be checked for each unit separately After the test operation...

Page 33: ...nction code which is displayed on the outdoor unit will indicate a main malfunction code and a sub code The sub code indicates more detailed information about the malfunction code The malfunction code...

Page 34: ...mperature sensor malfunction R8T open circuit A1P X19A Check connection on PCB or actuator Compressor casing temperature sensor malfunction R8T short circuit A1P X19A Check connection on PCB or actuat...

Page 35: ...manual unit not ready for leak detection functionality Malfunction code System test run not yet executed system operation not possible Execute system test run Faulty wiring to Q1 Q2 or indoor outdoor...

Page 36: ...Leak detection function related Unit is not prepared to execute leak detection operation Refer to requirements to be able to execute leak detection operation Indoor unit is out of temperature range fo...

Page 37: ...600 mm h1 h2 1500 500 F mm d b ABCD Sides along the installation site with obstacles F Front side Suction side In case of an installation site where sides A B C D have obstacles the wall heights of s...

Page 38: ...Y3S c Heat exchanger n Solenoid valve oil2 Y4S d Fan o 4 way valve main Y1S e Fan motor M1F M2F p 4 way valve sub Y5S f Accumulator q Electrical component box g Expansion valve main Y1E r Service port...

Page 39: ...1 BS3 A1P Push button switch MODE SET RETURN C A3P Capacitor DS1 DS2 A1P DIP switch E1HC Crankcase heater E3H Drain pan heater option F1U F2U A1P Fuse T 3 15 A 250 V F3U Field fuse F101U A4P Fuse F401...

Page 40: ...y R24 A4P A7P Resistor current sensor R300 A3P A6P Resistor current sensor R1T Thermistor air R3T Thermistor accumulator R4T Thermistor heat exchanger liquid pipe R5T Thermistor subcool liquid pipe R6...

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Daikin VRV IV+ RXYTQ10U5/U7YF, Installation And Operation Manual

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