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English
8. ELECTRIC WIRING WORK
8-1
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 label
”
attached to the control box lid.
• 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 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 lighting storms.
8-2
ELECTRICAL CHARACTERISTICS
MCA: Min. Circuit Amps (A)
MFA: Max. Fuse Amps (A)
kW:
Fan Motor Rated Output (kW)
FLA: Full Load Amps (A)
8-3
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 (Total 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
FXZQ20MVE
50
220-240
Max. 264
Min. 198
0.8
16
0.055
0.6
FXZQ25MVE
0.8
16
0.055
0.6
FXZQ32MVE
0.8
16
0.055
0.6
FXZQ40MVE
0.8
16
0.055
0.6
FXZQ50MVE
0.9
16
0.055
0.7
FXZQ20MVE
60
220
Max. 242
Min. 198
0.8
16
0.055
0.6
FXZQ25MVE
0.8
16
0.055
0.6
FXZQ32MVE
0.8
16
0.055
0.6
FXZQ40MVE
0.8
16
0.055
0.6
FXZQ50MVE
0.9
16
0.055
0.7
Model
Power supply wiring
Remote controller wiring
Transmission wiring
Field fuses
Wire
Size, Length
Wire
Size
FXZQ20·25·32·40·50
MVE
16A
H05VV-U3G
NOTE 1)
Wire size and
length must
comply with
local codes.
Sheathed wire
(2 wire)
NOTE 2)
0.75-1.25 mm
2
01_EN_3P184443-5S.fm Page 14 Friday, October 16, 2015 6:44 PM
