Daikin RXYSQ6T8Y1B9 User Manual Download

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Installation and operation manual

VRV IV-S system air conditioner

English

Installation and operation

manual

VRV IV-S system air conditioner

RXYSQ6T8Y1B9

Summary of Contents for RXYSQ6T8Y1B9

Page 1: ...Installation and operation manual VRV IV S system air conditioner English Installation and operation manual VRV IV S system air conditioner RXYSQ6T8Y1B9...

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...

Page 3: ...ogojem da se uporabljajo v skladu z na imi navodili on vastavuses j rgmis t e standardi te ga v i teiste normatiivsete dokumentidega kui neid kasutatakse vastavalt meie juhenditele atitinka emiau nuro...

Page 4: ...ng the electrical wiring 14 5 7 4 To connect the electrical wiring on the outdoor unit 14 5 8 Finishing the outdoor unit installation 15 5 8 1 To finish the transmission wiring 15 6 Configuration 16 6...

Page 5: ...nce Authorised installers end users INFORMATION This appliance is intended to be used by expert or trained users in shops in light industry and on farms or for commercial use by lay persons Documentat...

Page 6: ...dity conditions make sure to take precautions to 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 Warmi...

Page 7: ...Piping between refrigerant branch kit and indoor unit Use the same diameters as the connections liquid gas on the indoor units The diameters of the indoor units are as follows Indoor unit capacity ind...

Page 8: ...To install the outdoor unit 4 M12 5 2 3 To provide drainage Make sure that condensation water can be evacuated properly Install the unit on a base to make sure that there is a proper drainage in orde...

Page 9: ...alve is now closed Closing direction To handle the stop valve cover The stop valve cover is sealed where indicated by the arrow Do NOT damage it After handling the stop valve tighten the stop valve co...

Page 10: ...open the stop valves after installing the refrigerant piping and performing vacuum drying Running the system with the stop valves closed may break the compressor 5 4 Checking the refrigerant piping 5...

Page 11: ...fer to the indoor unit installation manual for more details Leak test and vacuum drying should be done before the power supply is set to the unit If not see also the flow chart earlier described in th...

Page 12: ...e finished properly NOTICE Be sure to turn on the power 6 hours before operation in order to have power running to the crankcase heater and to protect the compressor NOTICE If operation is performed w...

Page 13: ...y operating the outdoor unit by means of the manual additional refrigerant charge mode 5 Connect as shown Make sure valve A is closed p p R410A a c d b A d a Weighing scales b Refrigerant R410A tank s...

Page 14: ...unit near the gas and liquid stop valves 5 7 Connecting the electrical wiring 5 7 1 Field wiring Overview Field wiring consists of power supply always including earth and indoor outdoor communication...

Page 15: ...3 1 a Power supply cable b Transmission wiring cable Connecting to the frame When cables are routed from the unit a protection sleeve for the conduits PG insertions can be inserted at the knockout hol...

Page 16: ...or special operation e g 1 time operation recovery vacuuming setting manual adding refrigerant setting etc In such a case it is required to abort the special operation before normal operation can rest...

Page 17: ...iring Switching between modes Use BS1 to switch between the default situation mode 1 and mode 2 B S 1 5 s B S 1 B S 1 B S 1 a c b a Default situation H1P OFF b Mode 1 H1P flashing c Mode 2 H1P ON BS1...

Page 18: ...an optional accessory is required Value Description H7P Shows the status of power consumption limitation operation OFF Unit is currently not operating under power consumption limitations ON Unit is c...

Page 19: ...gerant charge amount in a manual way without automatic refrigerant charging functionality following setting should be applied default Deactivated Activated To stop the manual additional refrigerant ch...

Page 20: ...al signal is sent to the unit this setting defines the level power consumption limitation that will be applied for step 1 The level is according to the table 60 default 70 80 2 31 Power consumption li...

Page 21: ...t 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 terminals are tightened Insulation test of...

Page 22: ...Under centralised 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 Coolin...

Page 23: ...Suction temperature sensor malfunction R3T A1P X12A R5T A1P X12A Check connection on PCB or actuator Liquid temperature sensor coil malfunction R4T A1P X12A Check connection on PCB or actuator Liquid...

Page 24: ...allowed Multiple rows of units See figure 2 on the inside of the front cover Stacked units max 2 levels See figure 3 on the inside of the front cover A1 A2 A1 If there is danger of drainage dripping...

Page 25: ...2P Printed circuit board inverter BS Push buttons mode set return test reset A1P C Capacitor A2P DS1 DIP switch A1P F1U F2U Fuse T 31 5 A 500 V A1P F1U Fuse T 5 0 A 250 V A2P F3U F4U F5U Fuse T 6 3 A...

Page 26: ...ay be put in action and the air conditioner may not operate Above operation range is only valid in case direct expansion indoor units are connected to the VRV IV S system 12 2 Operating the system 12...

Page 27: ...emperature decrease minimal room cooling The micro computer automatically determines temperature and fan speed cannot be set by the user interface The system does not go into operation if the room tem...

Page 28: ...essary to designate one of the user interfaces as the master user interface The displays of slave user interfaces show change over under centralised control and slave user interfaces automatically fol...

Page 29: ...s gas cookers etc is present Always have qualified service personnel confirm that the point of leakage has been repaired or corrected before resuming operation 14 Troubleshooting If one of the followi...

Page 30: ...over current detected Main code Contents Compressor lock startup Transmission outdoor unit inverter INV transmission trouble INV unbalanced power supply voltage Fin thermistor malfunction Capacity se...

Page 31: ...ystem stops after heating operation Expansion and contraction of plastic parts caused by temperature change make this noise A low sah choro choro sound is heard while the indoor unit is stopped When a...

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