Daikin REYQ72XBTJ Series, Installation Manual

Page 1: ...XBYC REYQ432XBYC VRV System air conditioner Please visit http www daikinac com content resources manuals for the most current version of installation instructions and service manual In the event of co...

Page 2: ...llation work Installation must be done in accordance with this installation manual Improper installation could result in water leakage electric shock or fire When installing the unit in a small room t...

Page 3: ...alled either outdoors or indoors This unit is for indoor use Do not install the air conditioner or heat pump in the fol lowing locations a Where a mineral oil mist or oil spray or vapor is pro duced f...

Page 4: ...Field wiring 18 9 1 Power circuit safety device and cable requirements 19 9 2 Wiring connection example for whole system 19 9 3 Leading wire procedure 19 9 4 Transmission wiring connection procedure...

Page 5: ...ion for REYQ X units are as indicated in tables right where REYQ 192 456 consists of multiple REYQ 96 168 single modules as indicated 72 96 120 144 168 REYQ72XBTJ XBYD XBYC 1 REYQ96XBTJ XBYD XBYC 1 RE...

Page 6: ...6XBTJ XBYD XBYC 108 280 REYQ240XBTJ XBYD XBYC 120 312 REYQ264XBTJ XBYD XBYC 132 343 REYQ288XBTJ XBYD XBYC 144 374 REYQ312XBTJ XBYD XBYC 156 405 REYQ336XBTJ XBYD XBYC 168 436 REYQ360XBTJ XBYD XBYC 180...

Page 7: ...lation location is flat to prevent vibrations and noise generation and to have sufficient stability The space around the unit is adequate for maintenance and servic ing refer to 5 2 Service space on p...

Page 8: ...esult in the unit turning over 4 2 Weather related precautions Be sure that the air inlet of the unit is not positioned towards the main wind direction Frontal wind will disturb the operation of the u...

Page 9: ...ossibilities a b a c d a b a e d e c a b a e d f c a b a e b d c a b a e d f c 1 2 3 5 4 ABCD Sides along the installation site with obstacles Suction side A B C D A B 1 a 3 8 10 b 11 3 4 300 c 3 8 10...

Page 10: ...e Engineering Data Book 6 Inspecting handling and unpacking the unit 6 1 Inspection At delivery the unit must be checked and any damage must be re ported immediately to the carrier s claims agent 6 2...

Page 11: ...gth remains 13 16 in 20 mm above the foundation surface A A 13 16 in 20 mm NOTE There are restrictions on the refrigerant pipe connecting order between outdoor units in the case of the multi system Se...

Page 12: ...he stop valve until 9 Field wiring on page 18 and 12 Checking of device and installation conditions on page 24 are complete Do not use flux when brazing the refrigerant piping Use the phosphor cop per...

Page 13: ...mm 24 30 36 42 48 54 5 8 in 15 9 mm 3 8 in 9 5 mm 72 3 4 in 19 1 mm 96 7 8 in 22 2 mm 7 4 Selection of refrigerant branch kits For piping example refer to 7 3 Selection of piping size on page 9 When...

Page 14: ...ontally paying attention to the installation restrictions indicated in 8 Precautions on refrigerant piping on page 14 Example of connection Outdoor unit side Indoor unit side Branch Selector unit 1 2...

Page 15: ...valent length 43 ft 13 m B C 33 ft 10 m equivalent length 43 ft 13 m B D 33 ft 10 m equivalent length 43 ft 13 m Allowable height differ ence From outdoor unit to indoor unit Height difference Height...

Page 16: ...ize the liquid pipes b c d e f and g in the figure in the right The upsizing specifications should be as fol lows 3 8 in 9 5 mm 1 2 in 12 7 mm 1 2 in 12 7 mm 5 8 in 15 9 mm 5 8 in 15 9 mm 3 4 in 19 1...

Page 17: ...film ad versely affects valves and compressors in the refrigerating system and prevents proper operation The Dry Nitrogen pressure should be set to 2 9 psi 0 02 MPa i e just enough so it can be felt o...

Page 18: ...tion gas pipe stop value Protective plate Stop valves mounting plate High low pressure gas pipe stop valve 5 Cut off the lower part of the smaller pinched piping with an ap propriate tool such as pipe...

Page 19: ...ing 8 2 4 Precautions when connecting piping between outdoor units multiple outdoor units system To connect the piping between outdoor units an optional multi connection piping kit BHFP26P100U BHFP26P...

Page 20: ...he horizontal plane Mount the REFNET header so that it branches horizontally 2 Installation of the multi connection piping kit 1 B 1 C D 15 15 A C 4 3 4 in 120 mm D 19 11 16 in 500 mm Install the join...

Page 21: ...ightening the service port cover 9 Field wiring NOTE All field wiring and components must be installed by a licensed elec trician and must comply with relevant local and national regulations Be sure t...

Page 22: ...f3 60Hz f3 60Hz f3 60Hz f3 60Hz f3 60Hz f3 60Hz f3 60Hz f3 60Hz f3 60Hz f3 60Hz f3 60Hz f3 60Hz f3 60Hz 460V 460V 460V 460V 460V 460V 460V 460V 460V 460V 460V 460V 460V 460V 460V 460V 460V 18 9 21 1 2...

Page 23: ...work onsite settings and so on are done by operating the printed circuit board A1P of Master unit NOTE Do not connect the power wiring to terminals for the transmission wiring Doing so would destroy t...

Page 24: ...See the figure below Crimp style terminal Insulating sleeve Power wire For wiring use the designated power wire and connect firmly then secure to prevent outside pressure being exerted on the termina...

Page 25: ...TE Always use nitrogen gas for the air tightness test Absolutely do not open the stop valve until the main power circuit insulation measurement has been completed Measuring after the stop valve is ope...

Page 26: ...uum break with nitrogen gas and evacuate the system again using the vacuum pump for 1 hour to 500 microns or less vacuum drying If the system cannot be evacuated to 500 microns within 2 hours repeat t...

Page 27: ...t the 7 segment display s To access you can remove the service window cover see figure Now you can open the inspection door of the control box cover see figure You can see 3 push buttons and 3 seven s...

Page 28: ...nected to the system Result mode 1 setting 10 is addressed and selected return value is monitored information To leave the monitoring function push BS1 one time you will return to the default situati...

Page 29: ...e the refrigerant more than the specified amount This outdoor unit is factory charged with refrigerant and depending on pipe sizes and pipe lengths systems require additional charg ing of refrigerant...

Page 30: ...er for systems and each pipe length is shown below Example 7 5 System piping length limitations on page 11 Outdoor system REYQ240XBYC REYQ120XBYC REYQ120XBYC Branch Selector units BS4Q54T 1 BSQ60T 1 B...

Page 31: ...form may cause the refrigerant composition to change preventing normal operation Before charging check whether the refrigerant cylinder is equipped with a siphon tube or not If a siphon tube is equipp...

Page 32: ...han 22 lbs 10 kg perform step 3 till the end of the procedure 3 Pre charging can be done without compressor running by con necting the refrigerant tank only to the liquid stop valve service port open...

Page 33: ...not forget to close the cover of the service port The tightening torque for the cover is 8 48 to 10 3 ft lbf 11 5 to 13 9 N m 15 Start up and configuration INFORMATION It is important that all inform...

Page 34: ...ion of the outdoor unit system The first method is to enable an automatic low noise opera tion during night time by field setting The unit will operate at the selected low noise level during the selec...

Page 35: ...tional external control adaptor DTA104A61 62 is installed Default value 0 To activate this function change 2 12 1 2 18 Fan high static pressure setting In order to increase the static pressure the out...

Page 36: ...aptor is required to perform power consumption limitation If the system always needs to run under power consump tion limitation conditions this setting activates and defines the level power consumptio...

Page 37: ...act your Daikin sales representative for further details 2 81 Cooling comfort setting for VRT control Default value 1 Value 2 81 Cooling comfort setting 0 Eco 1 Mild default 2 Quick 3 Powerful Change...

Page 38: ...ult 8 40 4 4 9 45 7 2 10 50 10 11 55 12 7 12 60 15 5 13 65 18 3 14 AUX Heater always NOT allowed 15 AUX Heater always allowed 2 98 Aux heater max allowable temp release differential AUX Heater is not...

Page 39: ...iliary or secondary heat source to be automatically energized in the event of a system failure Error codes capable of auto backup are listed in the table below Please be aware that the error codes tha...

Page 40: ...rt feeling for the customer The selection method of indoor units is important and has to be considered as the available capacity is not the same as under basic operation For details concerning to Hi s...

Page 41: ...uest from the indoor units becomes more moderate the system will eventually go to the steady state condition which is defined by the operation method above The start up condition is different from the...

Page 42: ...ing air purge etc See installation manual of the Branch Selector units and the indoor units for details CAUTION Do not insert fingers rods or other objects into the air inlet or outlet When the fan is...

Page 43: ...compressor 4 Make sure the default idle situation is existing see 13 2 Operat ing the push buttons and DIP switches on the printed circuit board on page 24 Push BS2 for 5 seconds or more The unit will...

Page 44: ...E A7P X11A Check connection on printed circuit board or actuator F3 01 03 05 Discharge temperature too high R21T Stop valves are closed Reverse connection of high low pressure gas pipe and suction gas...

Page 45: ...on trouble 208 230 460V A3P X6A A1P X28A 575V A4P X6A A1P X28A Check connection 19 20 21 Transmission trouble 208 230 460V A5P X3A A3P X41A 575V A5P X3A A4P X41A Check connection 24 25 26 Transmission...

Page 46: ...ct refer ring to the wiring diagram for Branch Selector units and correct if there are any errors Check that the DIP switches settings are correct referring to the installation manual enclosed in Bran...

Page 47: ...e operation on the inverter equipment Be careful not to touch the live parts If a fan rotates due to strong wind it may store electricity in the capacitor or in the main circuit and cause electric sho...

Page 48: ...ely event of major leak in the system and this in accordance to the local applicable regulations and standards Maximum concentration level The maximum charge of refrigerant and the calculation of the...

Page 49: ...3P734038 1 EM23A005 2311 SP Daikin Texas Technology Park 19001 Kermier Road Waller TX 77484 U S A 00_CV_3P734038 1 indd 2 00_CV_3P734038 1 indd 2 2023 05 29 10 17 14 2023 05 29 10 17 14...