Daikin FXCQ40MVE4 [10/14] 1 general instructions
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Daikin FXCQ40MVE4 [10/14] 1 general instructions

Daikin FXCQ40MVE4 [10/14] 1 general instructions
8 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 electric parts 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, light-
ning 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
NOTES
1. Allowable length of transmission wiring between indoor/out-
door units and between the indoor unit and the remote con-
troller is as follows.
(1) Outdoor unit – Indoor unit:
Max. 1000 m (Total wiring length: 2000 m)
(2) Indoor unit – Remote controller:
Max. 500 m
2. Insulated thickness:1 mm or more
9. WIRING EXAMPLE AND HOW TO SET
THE REMOTE CONTROLLER
9-1 HOW TO CONNECT WIRINGS
〈Methods of wiring power supply, connecting transmission
and remote controller wiring〉
• Power supply wiring
Remove the electric parts box lid shown in the figure, and
connect to the terminal block (power supply) inside. At this
time, run the wiring from the power supply side of the guide
plate to inside the machine.
• Transmission wiring and remote controller wiring
Connect the terminal block (remote controller / transmission
wiring) so there is no mistake. At this time, run the remote
controller / transmission wiring from the transmission wiring
side of the guide plate to inside the machine.
Units
Power
supply
Fan motor
Model
Hz Volts
Voltage
range
MCA MFA kW FLA
FXCQ20MVE
50
220-
240
Max. 264
Min. 198
0.5 15 0.010 0.4
FXCQ25 · 32MVE 0.5 15 0.015 0.4
FXCQ40 · 50MVE 0.8 15 0.020 0.6
FXCQ63MVE 0.9 15 0.030 0.7
FXCQ80MVE 1.1 15 0.050 0.9
FXCQ125MVE 1.3 15 0.085 1.0
FXCQ20MVE
60 220
Max. 242
Min. 198
0.5 15 0.010 0.4
FXCQ25 · 32MVE 0.5 15 0.015 0.4
FXCQ40 · 50MVE 0.8 15 0.020 0.6
FXCQ63MVE 0.9 15 0.030 0.7
FXCQ80MVE 1.3 15 0.050 1.0
FXCQ125MVE 1.5 15 0.085 1.2
Model
Power supply wiring
Remote controller
wiring
Transmission wiring
Field
fuses
Wire Size Wire Size
FXCQ20MVE
15A
H05VV
-U3G
Wire size
must comply
with local
codes.
Sheathed wire
(2 wire)
0.75
-
1.25
mm
2
FXCQ25 · 32MVE
FXCQ40 · 50MVE
FXCQ63MVE
FXCQ80MVE
FXCQ125MVE
Power
supply
wiring
Terminal block for
power supply
Electric parts box lid
Electric
parts box
Terminal block for
remote controller wiring
Remote controller wiring
Transmission wiring
Guide
plate
Graund
wiring
01_EN_3P086156-5X.fm Page 8 Tuesday, April 14, 2009 9:24 AM

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