Daikin FXHQ12MVJU Installation Manual Download Page 1

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MODEL

Ceiling Suspended type

FXHQ12MVJU
FXHQ24MVJU
FXHQ36MVJU

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 FXHQ12MVJU

Page 1: ...U FXHQ24MVJU FXHQ36MVJU SYSTEM Inverter Air Conditioners INSTALLATION MANUAL Read these instructions carefully before installation Keep this manual in a handy place for future reference This manual sh...

Page 2: ...ly Refrigerant gas may produce toxic gas if it comes in contact with fire such as from a fan heater stove or cooking device Exposure to this gas could result in severe injury or death After completing...

Page 3: ...ng distance can result shorter than expected in rooms with elec tronic fluorescent lamps inverter or rapid start types Install the indoor unit as far away from fluorescent lamps as possible In a domes...

Page 4: ...lammable materials are present due to risk of explosion resulting in serious injury or death WARNING If the supporting structural members are not strong enough to take the unit s weight the unit could...

Page 5: ...unit 3 1 Detach the suction grille Slide the locking knobs 2 on the suction grille inward direction of arrows and lift upwards Refer to Fig 1 With the suction grille open remove the suction grille for...

Page 6: ...e sure to use the provided accessories and specified parts designated by our company 1 Secure the hanger brackets to the suspension bolts Refer to Fig 10 NOTE To ensure they are safely secured use the...

Page 7: ...oximately 250 F so use insulation pipe cover which is sufficiently resistant Also in cases where the temperature and humidity of the refrigerant pipe sections might exceed 86 F or RH 80 reinforce the...

Page 8: ...asten both ends with the clamps 4 Refer to Fig 16 Wrap the small sealing pad 9 only around the insulation for the joints on the gas piping side Refer to Fig 16 1 For piping facing back Remove the rear...

Page 9: ...the drain socket and securely attach the metal clamp bracket inside the gray tape area on the inserted tip of the drain pipe Refer to Fig 22 Screw the screws on the metal clamp bracket until there is...

Page 10: ...sion wire between indoor out door units and between the indoor unit and the remote con troller wire are as follows 1 Outdoor unit Indoor unit Max 3280 ft Total wire length 6560 ft 2 Indoor unit Remote...

Page 11: ...result in overheating and in worse case result in electric shock or fire CAUTION To avoid a short circuit in the electric parts box be sure to apply sealing material or putty not included to the wiri...

Page 12: ...TION GRILLE THE DECORATION PANELS AND THE PROTECTION NET Once wiring is complete firmly attach the control box lid the suction grille the decoration panels and the protection net in the order opposite...

Page 13: ...the upper part The remote controller PC board is attached to the upper part of remote controller Refer to Fig 35 2 Turn the MAIN SUB changeover switch on one of the 2 remote controllers PC boards to...

Page 14: ...ill be displayed for a few seconds on the remote controller immediately after the power is turned on This display indicates that the remote controller is being checked to see whether it is ok or not a...

Page 15: ...s fault The remote controller thermistor does not function but the system thermo run is possible E3 High pressure abnormal outdoor unit E4 Low pressure abnormal outdoor unit ON OFF TEST SWING TEST E5...

Page 16: ...0510 FS 3PN06240 1E EM04A049B...

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Daikin FXHQ12MVJU, Installation Manual

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