Daikin RXYSQ5T7V1B, Installation And Operation Manual

Page 1: ...lation and operation manual VRV IV S system air conditioner English Installation and operation manual VRV IV S system air conditioner RXYSQ4T7V1B RXYSQ5T7V1B RXYSQ6T7V1B RXYSQ4T7Y1B RXYSQ5T7Y1B RXYSQ6...

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: ...settings 17 6 1 2 To access the field setting components 17 6 1 3 Field setting components 17 6 1 4 To access mode 1 or 2 18 6 1 5 To use mode 1 18 6 1 6 To use mode 2 18 6 1 7 Mode 1 and default sit...

Page 5: ...e installing Paper in the box of the outdoor unit Outdoor unit installation and operation manual Installation and operation instructions Installer and user reference guide Preparation of the installat...

Page 6: ...keep the drain holes of the unit free by using proper equipment In heating T AO C WB a b 20 15 5 15 10 5 0 5 10 15 20 10 15 20 2527 30 TAI C DB a Warming up operation range b Operation range TAI Ambie...

Page 7: ...o account Select the pipe size nearest to the required size Use the suitable adapters for the change over from inch to mm pipes field supply The additional refrigerant calculation has to be adjusted a...

Page 8: ...acity index Refrigerant branch kit 182 KHRQ22M29H INFORMATION Maximum 8 branches can be connected to a header 4 3 Preparing electrical wiring 4 3 1 Safety device requirements The power supply must be...

Page 9: ...f you install the unit on a frame install a waterproof plate within 150 mm of the bottom side of the unit in order to prevent the invasion of water in the unit and to avoid the drain water dripping se...

Page 10: ...service port cover Tightening torques Stop valve size mm Tightening torque N m turn clockwise to close Shaft Valve body Hexagonal wrench Cap valve lid Service port 9 5 5 4 6 6 4 mm 13 5 16 5 11 5 13 9...

Page 11: ...se 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 lea...

Page 12: ...maximum 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 recommen...

Page 13: ...riginal 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 adju...

Page 14: ...ion is detected during the procedure e g in case of closed stop valve a malfunction code will be displayed In that case refer to 5 6 4 Error codes when charging refrigerant on page 14 and solve the ma...

Page 15: ...the electrical wiring Tightening torques Wiring Screw size Tightening torque N m Power supply wiring power supply shielded ground M5 2 2 2 7 Transmission wiring M3 5 0 8 0 97 5 7 4 To connect the ele...

Page 16: ...s to prevent the 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 cov...

Page 17: ...quired to abort the special operation before normal operation can restart It will be indicated in below explanations 6 1 2 To access the field setting components See 5 1 1 To open the outdoor unit on...

Page 18: ...t confused in the middle of the process press BS1 to return to the default situation 6 1 5 To use mode 1 In mode 1 and in default situation you can read out some information Example 7 LEDs display Def...

Page 19: ...mitation can be set in mode 2 There are two methods to activate power consumption limitation of the outdoor unit system The first method is to enable a forced power consumption limitation by field set...

Page 20: ...tion 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...

Page 21: ...n 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 al...

Page 22: ...local supply panel The voltage must correspond to the voltage on the identification label of the unit Earth wiring Be sure that the earth wires have been connected properly and that the earth terminal...

Page 23: ...ntralised control will display on the user interface of indoor units Steps during the automatic system test run procedure Step Description Control before start up pressure equalisation Cooling start u...

Page 24: ...circuit A1P X12A Check connection on PCB or actuator Suction temperature sensor malfunction R3T A1P X12A R5T A1P X12A Check connection on PCB or actuator Liquid temperature sensor coil malfunction R4T...

Page 25: ...ice space between the unit and obstacles A B C D and E eB Maximum distance between the unit and the edge of obstacle E in the direction of obstacle B eD Maximum distance between the unit and the edge...

Page 26: ...installation manual for indoor outdoor transmission F1 F2 wiring 6 When using the central control system connect outdoor outdoor transmission F1 F2 Notes for RXYSQ4 6_Y1 1 Symbols see below 2 For X37...

Page 27: ...stor air R2T Thermistor discharge R3T Thermistor suction 1 R4T Thermistor heat exchanger R5T Thermistor suction 2 R6T Thermistor subcool heat exchanger R7T Thermistor liquid pipe R10T Thermistor fin S...

Page 28: ...d user interface To protect the unit turn on the main power switch 6 hours before operation If the main power supply is turned off during operation operation will restart automatically after the power...

Page 29: ...t changeover remote control switch To start 1 Press the operation mode selector button on the user interface several times and select program dry operation 2 Press the ON OFF button of the user interf...

Page 30: ...y the master user interface Only the master user interface can select heating or cooling mode 12 5 2 To designate the master user interface VRV DX In case only VRV DX indoor units are connected to the...

Page 31: ...off the main power switch If water leaks from the unit Stop the operation The operation switch does not work well Turn off the power Malfunction Measure If the user interface display indicates the uni...

Page 32: ...door Abnormal user interface indoor communication Faulty wiring to outdoor outdoor Abnormal main sub user interface communication System mismatch Wrong type of indoor units combined Indoor unit malfun...

Page 33: ...nge make this noise A low sah choro choro sound is heard while the indoor unit is stopped When another indoor unit is in operation this noise is heard In order to prevent oil and refrigerant from rema...

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Page 36: ...4P397284 1 0000000V 4P397284 1 2015 05 Copyright 2015 Daikin...