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11

English

9.

ELECTRIC WIRING WORK

9-1

GENERAL INSTRUCTIONS 

• All field supplied parts and materials and electric works must 

conform to local codes.

• Use copper wire only.
• For electric wiring work, refer to also “Wiring diagram” 

attached to the control box cover.

• For remote controller wiring details, refer to the installation 

manual attached to the remote controller.

• All wiring must be performed by an authorized electrician.
• A circuit breaker capable of shutting down power supply to 

the entire system must be installed.

• Refer to the installation manual attached to the outdoor unit 

for the size of power supply wiring connected to the outdoor 
unit, the capacity of circuit breaker and switch, and wiring 
instructions.

• Be sure to ground the air conditioner.
• Do not connect the ground wiring to gas and water pipes, 

lightning rods, or telephone ground wires.

• Gas pipes: might cause explosions or fire if gas leaks.
• Water pipes: no grounding effect if hard vinyl piping is 

used.

• Telephone ground wires or lightning rods : might cause 

abnormally high electric potential in the ground during 
lightning storm.

9-2

ELECTRICAL CHARACTERISTICS

MCA: Minimum Circuit Ampacity (A)
MOP: Maximum Overcurrent Protective Device (A)
KW: Fan Motor Rated Output (kW)
FLA: Full Load Ampere (A)

9-3

SPECIFICATIONS FOR FIELD SUPPLIED 
FUSES AND WIRE 

Allowable lengths of transmission wiring and remote controller 
wiring are as follows.

(1) Outdoor unit – Indoor unit: 

Max. 3280 ft (1,000 m)

(2) Indoor unit – Remote controller: 

Max. 1640 ft (500 m)

NOTE

• Vinyl cord with sheath or cable (Insulated thickness : 1/16 in. 

(1 mm) or more)

10. WIRING EXAMPLE AND HOW TO SET 

THE REMOTE CONTROLLER

10-1 CONNECTING POWER SUPPLY, GROUND, 

REMOTE CONTROLLER, AND TRANSMISSION 
WIRING

(Remove the control box cover as shown below and connect 
each wire.)

(1) Remove the control box cover.

Model

Power supply

Fan motor

Hz

Volts Voltage range MCA

MOP

KW

FLA

FBQ18PVJU

60

208V

/230V

Max. 253V

Min. 187V

1.6

15

0.350

1.3

FBQ24PVJU

1.8

15

0.350

1.4

FBQ30PVJU

2.3

15

0.350

1.8

FBQ36PVJU

2.9

15

0.350

2.3

FBQ42PVJU

3.4

15

0.350

2.7

FBQ48PVJU

3.4

15

0.350

2.7

Model

Power supply wiring

Remote controller wiring

Transmission wiring

Fuse 

Size

Wire

Size

FBQ18PVJU

15A

Wiring size 

and length 

must 

comply 

with local 

codes.

2-conductor, 

stranded 

non-shielded 
copper cable 

PVC/vinyl 

jacket 

(NOTE)

AWG18-16

(0.75-

1.25 mm

2

)

FBQ24PVJU

FBQ30PVJU

FBQ36PVJU

FBQ42PVJU

FBQ48PVJU

Screw
(3 portions)

Control box 
cover

01_EN_3P530815-1.fm  Page 11  Tuesday, July 10, 2018  6:20 PM

Summary of Contents for SkyAir FBQ24PVJU

Page 1: ...dy place for future reference This manual should be left with the equipment owner Lire soigneusement ces instructions avant l installation Conserver ce manuel port e de main pour r f rence ult rieure...

Page 2: ...ant gas may produce toxic gas if it comes in contact with fire Exposure to this gas could cause severe injury or death After completing the installation work check that the re frigerant gas does not l...

Page 3: ...t is released Therefore take proper measures to check for the tightness of the refrigerant piping installation Read the chapter REFRIGERANT PIPING WORK and follow the procedures Since R410A is a blend...

Page 4: ...alt such as that near the ocean and where voltage fluctuates greatly such as that in factories Also in vehicles or vessels This unit both indoor and outdoor is suitable for installation in a commercia...

Page 5: ...the outdoor unit Remote controller Model Wired type BRC1E73 Wireless type 2 speed BRC4C82 3 speed BRC082A43 Items to be checked If not properly done what is likely to occur Check Are the indoor and ou...

Page 6: ...0 450 for the control box and inspection hatch 2 for the lower part of the product see arrow view A 1 Refer to Fig 2 3 3 Inspection hatch 3 for the lower part of the product and the lower part of the...

Page 7: ...ust the distance to the ceiling surface in advance 5 INDOOR UNIT INSTALLATION It may be easier to install accessories sold separately before installing the indoor unit Refer to the installation manual...

Page 8: ...ut provided with the unit Do not use a different flare nut such as a type 1 flare nut or otherwise refrigerant leakage may result To prevent contamination or moisture from getting into the piping take...

Page 9: ...alloy BCuP 2 BCu 93P 710 795 which does not require flux for brazing Flux has a bad influence on the refrigerant piping Chlo rine based flux will cause piping corrosion Furthermore if it contains flu...

Page 10: ...conditioner is finished 1 Remove the control box cover and connect the single phase electric wires to terminals L1 and L2 of the ter minal block and the ground wiring to the ground ter minal Perform w...

Page 11: ...the sputter will not come in contact with the drain pan or the filter If the metal duct pass through a metal lath wire lath or metal plate of a wooden structure separate the duct and wall elec tricall...

Page 12: ...CTRICAL CHARACTERISTICS MCA Minimum Circuit Ampacity A MOP Maximum Overcurrent Protective Device A KW Fan Motor Rated Output kW FLA Full Load Ampere A 9 3 SPECIFICATIONS FOR FIELD SUPPLIED FUSES AND W...

Page 13: ...d insulat ing tube and secure it with the included clamp separately When using the insulating tube Cut off the insulation tube at needed length WARNING Trim and lay the wiring neatly and attach the co...

Page 14: ...too small and the terminal screws will not be tightened properly Do not tighten the terminal screws excessively or otherwise the screw heads may be damaged Refer to the table below for the required t...

Page 15: ...osed on the indoor and outdoor units Field setting must be made from the remote controller in accordance with the installation conditions Setting can be made by changing the Mode No FIRST CODE NO and...

Page 16: ...s that 02 is set for the SECOND CODE NO in Table 2 If the air conditioner does not stop operating automatically or the SECOND CODE NO is not 02 repeat steps from 3 If the outdoor unit is not turned ON...

Page 17: ...ish work is completed If the air conditioner is operated the inside of the indoor unit may be polluted by substances generated from the coating and adhesives used for the interior finish work and caus...

Page 18: ...1809 HT 3P530815 1 EM18A001...

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