Daikin FXMQ30MVJU Installation Manual Download Page 1

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MODELS

Ceiling-mounted Duct type

FXMQ30MVJU

FXMQ36MVJU

FXMQ48MVJU

Ceiling-mounted Built-in type

FXSQ12MVJU

FXSQ30MVJU

FXSQ18MVJU

FXSQ36MVJU

FXSQ24MVJU

FXSQ48MVJU

SYSTEM Inverter Air Conditioners

INSTALLATION MANUAL

Read these instructions carefully before installation.
Keep this manual in a handy place for future reference.
This manual should be left with the equipment owner.

Summary of Contents for FXMQ30MVJU

Page 1: ...in type FXSQ12MVJU FXSQ30MVJU FXSQ18MVJU FXSQ36MVJU FXSQ24MVJU FXSQ48MVJU SYSTEM Inverter Air Conditioners INSTALLATION MANUAL Read these instructions carefully before installation Keep this manual in...

Page 2: ...RK 6 DRAIN PIPING WORK 7 ELECTRIC WIRING WORK 7 WIRING EXAMPLE AND HOW TO SET THE REMOTE CON TROLLER 8 SELECTING INSTALLATION SITE 11 PREPARATIONS BEFORE INSTALLATION 11 INDOOR UNIT INSTALLATION 12 RE...

Page 3: ...of refrig erant leakage Contact the place of purchase for more information Excessive refrigerant in a closed ambient can lead to oxygen deficiency Be sure to use only the specified accessories and pa...

Page 4: ...rts should be done in accordance with the relevant local and national regulations 2 BEFORE INSTALLATION When moving the unit while removing it from the carton box be sure to lift it by holding on to t...

Page 5: ...or and outdoor units power supply wiring and connecting wires at least 3 5ft away from televisions or radios in order to prevent image interference or noise Depending on the radio waves a distance of...

Page 6: ...e strong enough to bear the equipment s weight Use embedded inserts or anchor bolts with new buildings and hole in anchors with old buildings 5 INDOOR UNIT INSTALLATION Installing optional accessories...

Page 7: ...he installation method mentioned below After the work is finished make sure to check that there is no gas leak When you keep on tightening the flare nut with a spanner there is a point where the tight...

Page 8: ...n the unit is running so be sure to provide condensate trap on the condensate outlet See the figure In order to prevent foreign matter from building up inside the piping you should avoid curves as muc...

Page 9: ...rmly When attaching the electric parts box lid make sure no wires get caught in the edges Pass wiring through the wiring through holes to prevent damage to them Make sure the remote controller wiring...

Page 10: ...he INSTALLATION MANUAL OF REMOTE CONTROLLER attached to the remote controller 6 Never connect power supply wiring to the terminal block for remote controller wiring A mistake of the sort could damage...

Page 11: ...SAJ25K36 FXSQ18MVJU 16 3 4 or more BYBS45DJW1 Installation not required 13 3 4 or more KSAJ25K56 FXSQ24MVJU 16 3 4 or more BYBS71DJW1 Installation not required 13 3 4 or more KSAJ25K80 FXSQ30 36 48MVJ...

Page 12: ...res at least 3 5 ft away from televisions or radios in order to prevent image interference or noise Depending on the radio waves a distance of 3 5 ft may not be sufficient enough to eliminate the nois...

Page 13: ...force the ceiling to bearing the weight of the unit 5 INDOOR UNIT INSTALLATION Installing optional accessories except for the decoration panel before installing the indoor unit is easier As for the pa...

Page 14: ...he unit ventilate the room thoroughly right away 6 2 Connecting the refrigerant piping When connecting the flare nut coat the flare both inside and outside with ester oil or ether oil and initially ti...

Page 15: ...flared or a flanged connection Nitrogen should be set to 2 9psi with a pressure reducing valve if brazing while inserting nitrogen into the piping NOTE Do not use flux when brazing refrigerant piping...

Page 16: ...e unit Press to go back to the first mode You can check whether drainage is satisfactory or not by removing the access opening lid and checking the water level of the drain pan through the access open...

Page 17: ...remote controller is as follows 1 Outdoor unit Indoor unit Max 3280 ft Total wiring length 6560 ft 2 Indoor unit Remote controller Max 1640 ft 2 Insulated thickness 1 16 or more Model Power supply wi...

Page 18: ...pply terminal Looseness in the connection may cause overheating Use the specified electric wire Connect the wire securely to the terminal Lock the wire down without applying excessive force to the ter...

Page 19: ...CONNECTOR According to the system static pressure requirement reposi tion the adaptors of PC board inside the electric parts box as shown in the below drawings NOTE The unit is factory set for standar...

Page 20: ...CONTROL BY 2 REMOTE CONTROLLERS Con trolling 1 indoor unit by 2 remote controllers When using 2 remote controllers one must be set to MAIN and the other to SUB MAIN SUB CHANGEOVER 1 Insert a screw dr...

Page 21: ...ORCED OFF at factory set 11 TEST OPERATION Refer to the installation manual of the outdoor unit The operation lamp of the remote controller will flash when an malfunction occurs Check the malfunction...

Page 22: ...0403 HT 3P086156 9N EM03A042B Daikin US Corporation 375 Park Avenue Suite 3308 New York NY 10152 www daikinac com info daikinac com...

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