Daikin RXYSQ6T7Y1B9, Installation And Operation Manual

Page 1: ...Installation and operation manual VRV IV S system air conditioner English Installation and operation manual VRV IV S system air conditioner RXYSQ6T7Y1B9...

Page 2: ...1700 1000 500 HU a b 100 100 c d e eB eD A B C D E HB HD A B C 200 300 1000 A B C E 200 300 1000 1000 500 D 1000 D E 1000 1000 500 B D HD HU 300 1000 HD HU 250 1500 HU HD HU 300 1500 B D E HB HD HB H...

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Page 4: ...king field settings 16 6 1 2 To access the field setting components 16 6 1 3 Field setting components 16 6 1 4 To access mode 1 or 2 16 6 1 5 To use mode 1 17 6 1 6 To use mode 2 17 6 1 7 Mode 1 and d...

Page 5: ...aper in the box of the outdoor unit Outdoor unit installation and operation manual Installation and operation instructions Format Paper in the box of the outdoor unit Installer and user reference guid...

Page 6: ...cid deoxidised seamless copper for refrigerant Foreign materials inside pipes including oils for fabrication must be 30 mg 10 m 4 2 2 Refrigerant piping material Piping material Phosphoric acid deoxid...

Page 7: ...r unit capacity type HP Refrigerant branch kit 6 KHRQ22M20T Refnet joints at other branches For refnet joints other than the first branch select the proper branch kit model based on the total capacity...

Page 8: ...the foundation to drain waste water surrounding the unit Avoid drain water flowing over the footpath so that it does not become slippery in case of ambient freezing temperatures If you install the un...

Page 9: ...rader type valve After handling the service port make sure to tighten the service port cover securely For the tightening torque refer to the table below Check for refrigerant leaks after tightening th...

Page 10: ...This means that they will close Leak test and vacuum drying of field piping and indoor units is impossible when this happens Therefore there will be explained 2 methods for initial installation leak...

Page 11: ...mum operation pressure of the unit i e 4 0 MPa 40 bar 2 Test for leaks by applying a bubble test solution to all piping connections 3 Discharge all nitrogen gas NOTICE Make sure to use a recommended b...

Page 12: ...s original amount of refrigerant refer to the nameplate on the unit and the determined additional refrigerant amount 5 6 2 To determine the additional refrigerant amount INFORMATION For final charge a...

Page 13: ...e will be displayed In that case refer to 5 6 4 Error codes when charging refrigerant on page 13 and solve the malfunction accordingly Resetting the malfunction can be done by pushing BS3 You can rest...

Page 14: ...ut holes wrap the wiring with protective tape to prevent damage b c a a Knockout hole b Burr c Sealant etc 5 7 3 Guidelines when connecting the electrical wiring Tightening torques Wiring Screw size T...

Page 15: ...he edge of the knockout hole from cutting the wires a b c d e A B A Inside of the outdoor unit B Outside of the outdoor unit a Wire b Bush c Nut d Frame e Hose 6 Reattach the service cover 7 Connect a...

Page 16: ...setting components The components to make field settings are as follows BS2 SET BS1 MODE BS3 RETURN BS4 TEST BS5 RESET H1P H2P H3P H4P H5P H6P H7P H8P A1P A2P X1M X2M 1 2 OFF ON DS1 MULTI DEMAND L N O...

Page 17: ...P ON Unit is currently operating under low noise restrictions Example 7 LEDs display Mode 1 You can read out setting 1 5 the total number of connected indoor units as follows Action Button display 1 S...

Page 18: ...e at the selected power consumption limitation The second method is to enable power consumption limitation based on an external input For this operation an optional accessory is required 7 LEDs displa...

Page 19: ...ing the field setting again 2 21 Refrigerant recovery vacuuming mode In order to achieve a free pathway to reclaim refrigerant out of the system or to remove residual substances or to vacuum the syste...

Page 20: ...s setting is used in conjunction with setting 2 8 Eco default Mild Quick Powerful 2 42 Heating comfort setting This setting is used in conjunction with setting 2 9 Eco default Mild Quick Powerful 6 1...

Page 21: ...or any other material Additional refrigerant charge The amount of refrigerant to be added to the unit shall be written on the included Added refrigerant plate and attached to the rear side of the fron...

Page 22: ...erform correcting actions as explained in the malfunction code table After correcting the abnormality press BS3 to reset the malfunction code and retry operation INFORMATION If a malfunction occurs th...

Page 23: ...the specified indoor unit are not connected correctly to the outdoor unit Open the stop valve on both the gas and liquid side Confirm that the piping and wiring of the specified indoor unit are connec...

Page 24: ...refer to the installation manual of the option 3 Refer to the installation or service manual on how to use BS1 BS4 push buttons and DS1 1 and DS1 2 DIP switches 4 Do not operate the unit by short cir...

Page 25: ...Detailed information on required actions to achieve certain functions can be found in the dedicated installation and operation manual of the indoor unit Refer to the operation manual of the installed...

Page 26: ...ating or cooling operation b COOL HEAT CHANGEOVER SWITCH Set the switch to for cooling or to for heating To start 1 Select operation mode with the cool heat changeover switch as follows Cooling operat...

Page 27: ...The air flow flap itself adjusts its position The air flow direction can be fixed by the user Automatic and desired position WARNING Never touch the air outlet or the horizontal blades while the swin...

Page 28: ...ontact your dealer and keep the warranty card at hand 13 2 2 Recommended maintenance and inspection Since dust collects when using the unit for several years performance of the unit will deteriorate t...

Page 29: ...malfunction 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 malfun...

Page 30: ...display The fan direction does not swing This is because the unit is being controlled by the micro computer 14 2 6 Symptom White mist comes out of a unit Indoor unit When humidity is high during cooli...

Page 31: ...operation This is to prevent refrigerant from remaining in the compressor The unit will stop after 5 to 10 minutes 14 2 17 Symptom The inside of an outdoor unit is warm even when the unit has stopped...

Page 32: ...4P397285 1 B 00000005 4P397285 1B 2016 03 Copyright 2015 Daikin...