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7. ELECTRIC WIRING WORK
7-1 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 unit body.
•
For remote controller wiring details, refer to the installation manual attached to the remote controller.
•
All wiring must be performed by an authorized electrician.
•
This system consists of multiple indoor units. Mark each indoor unit as unit A, unit B..., and be sure the
terminal board wiring to the outdoor unit and BS unit are properly matched. If wiring and piping between the
outdoor unit and an indoor unit are mismatched, the system may cause a malfunction.
•
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 the circuit breaker and switch, and wiring instructions.
•
Be sure to ground the air conditioner.
•
Do not connect the ground wire to gas pipes, 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 lighting storms.
7-2 ELECTRICAL CHARACTERISTICS
MCA: Min. Circuit Amps (A);
MFA: Max. Fuse Amps (A)
kW: Fan Motor Rated Output (kW);
FLA: Full Load Amps (A)
7-3 SPECIFICATIONS FOR FIELD SUPPLIED FUSES AND WIRE
Allowable length of transmission wirings and remote controller wiring are as follows.
(1) Outdoor unit - Indoor unit:
Max. 1000m (Max. wiring length: 2000m)
(2) Indoor unit - Remote controller:
Max. 500m
NOTE
1.
Shows only in case of protected pipes. Use H07RN-F in case of no protection.
2.
Vinyl cord with sheath or cable (Insulated thickness : 1mm or more)
Units
Power supply
Fan motor
Model
Hz
Volts
Voltage range
MCA
MFA
kW
FLA
FXAQ20PV1
50
220 - 240
Max. 264
Min. 198
0.3
16
0.040
0.2
FXAQ25PV1
0.4
16
0.040
0.3
FXAQ32PV1
0.4
16
0.040
0.3
FXAQ40PV1
0.4
16
0.043
0.3
FXAQ50PV1
0.5
16
0.043
0.4
FXAQ63PV1
0.6
16
0.043
0.5
Model
Power supply wiring
Remote controller wiring
Transmission wiring
Field fuses
Wire
Size
Wire
Size
FXAQ20PV1
16A
H05VV - U3G
Wire size and
length must
comply with
local codes.
Vinyl cord with
sheath or cable
(2 wire)
0.75 - 1.25 mm
2
FXAQ25PV1
FXAQ32PV1
FXAQ40PV1
FXAQ50PV1
FXAQ63PV1
01_EN_3P156215-12U.fm Page 13 Thursday, August 27, 2009 4:09 PM