English
11
•
One BEV unit is connected to one indoor unit. Mark each indoor unit and BEV unit as unit A, unit B..., and be
sure the terminal block wiring to the outdoor unit and BS unit are properly matched. If wiring and piping between
the outdoor unit and an indoor unit and BEV 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.
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)
NOTES
•
The above Table of Electrical Characteristics refers to the BEV unit only.
•
See the technical documents for other details.
7-3 SPECIFICATIONS FOR FIELD SUPPLIED FUSES AND WIRE
NOTES
1.
Select the particular size of electrical wire for power line in accordance with the standards of the given nation and region.
2.
Allowable length of the transmission wiring should be as follows.
Between outdoor unit and BEV unit:
Max. 1000 m (Total wiring length: 2000 m)
Between BEV unit and indoor unit:
Max. 500 m
Max. branches No. of branches:
16
3.
Insulated thickness:
1mm or more
4.
Up to 16 branches are possible for unit-to unit cabling. No branch is allowed after first branch.
(Refer to Fig. 15)
Units
Power supply
Fan motor
Model
Hz
Volts
Voltage range
MCA
MFA
KW
FLA
FXBEVQ71MVE
50
220-240
Max. 264
Min. 198
0.8
15
0.045
0.6
FXUBEVQ100MVE
1.3
15
0.090
1.0
FXUBEVQ125MVE
Model
Power supply wiring
Transmission wiring
Field fuse
Wire
Size
Wire
Size
BEVQ71·100·125MVE
15A
H05VV-U3G
Size must comply with
local codes.
Vinyl cord with
sheath or cable
(2 wire) (NOTE 2)
0.75 - 1.25 mm
2
F1 F2
F1 F2
F1 F2
F1 F2
F1 F2
Branch
Subbranching
Fig. 15
3P084604-2A_Eng.fm Page 11 Wednesday, March 3, 2004 10:01 AM
