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ELECTRICAL WORK
35
After the confirmation of the above conditions, prepare the wiring as follows:
1) Never fail to have an individual power circuit specifically for the air conditioner. As for
wiring, be guided by the circuit diagram posted on the inside of control cover.
The screw which fasten the wiring in the casing of electrical fittings are liable to come loose from
vibrations to which the unit is subjected during the course of transportation. Check them and make
sure that they are all tightly fastened. (If they are loose, it could cause burn-out of the wires.)
the method of
2)
3) Specification of power source.
4) Confirm that electrical capacity is sufficient.
5)
See to that the starting voltage is maintained at more than 90 percent of the rated
the name plate.
voltage marked on
6) Confirm that the cable thickness is as specified in the power source specification.
7) Always install an earth leakage circuit breaker in a wet or moist area.
8) The following would be caused by voltage drop.
?
Vibration of a magnetic switch, which will damage the contact point, fuse breaking, disturbance of the
normal function of the overload.
9)
10)
The means for disconnection from a power supply shall be incorporated in the fixed
an air gap contact separation of at least 3mm in each active(phase) conductors.
wiring and have
Before obtaining access to terminals, all supply circuits must be disconnected.
CAUTION
CAUTION
CAUTION
CAUTION
One-six models:
L
N
L(A)
N(A)
S(A)
POWER
TO BTO A
L N SL N S
TO E
L N S
TO D
L N S
L(D)
N(D)
S(D)
L(E)
N(E)
S(E)
TO F
L N S
Model A
L(B)
L(C)
N(B)
N(C)
S(B)
S(C)
TO C
L N S
L(F)
N(F)
S(F)
Model E
1 2 3
L2
1(A)
POWER
TO A
TO D
TO C
TO E
TO B
2(A)
3(A)
1(B)
2(B)
3(B)
1(C)
2(C)
3(C)
1(D)
2(D)
3(D)
1(E)
2(E)
3(E)
1 2 3
1 2 3
1 2 3
1 2 3
L1
Model F
Model G
1 2 3
L1 L2 S
L2
L2
L1(A)
1(A)
POWER
POWER
TO A
TO A
TO D
TO D
TO C
TO C
TO E
TO E
TO B
TO B
L2(A)
2(A)
S(A)
3(A)
L1(B)
1(B)
L2(B)
2(B)
S(B)
3(B)
L1(C)
1(C)
L2(C)
2(C)
S(C)
3(C)
L1(D)
1(D)
L2(D)
2(D)
S(D)
3(D)
L1(E)
1(E)
L2(E)
2(E)
S(E)
3(E)
1 2 3
L1 L2 S
1 2 3
L1 L2 S
1 2 3
L1 L2 S
1 2 3
L1 L2 S
L1
L1
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