21
Installation of Indoor Unit

CAUTION

(1) Match the terminal block numbers and connection cord colors with those of the

outdoor unit.

Erroneous wiring may cause burning of the electric parts.

(2) Connect the connection cords firmly to the terminal block. Imperfect installation

may cause a fire.

(3) Always fasten the outside covering of the connection cord with the cord clamp.

(If the insulator is chafed, electric leakage may occur.)

(4) Always connect the ground wire.

ELECTRICAL REQUIREMENT

Electric wire size and fuse capacity:

Insulation tube
Cord clamp
Use VW-1, 0.5 to 1.0 mm thick, PVC tube as the insulation tube.
Fig. 15
Table 5
For series 282(EAA)
362
For series 522, 482,
602

Select wire sizes and circuit protection from table below. (This table shows 20 m

length wires with less than 2% voltage drop.)

30
Item
Model Phase
3
Switch breaker
(A)
Circuit breaker
Overcurrent protector
rated capacity (A)
Power source
wire size
(minimum)
(mm2)
30 20 4.0
1 40 26 6.0
Switch
breaker(A)
Earth leakage breaker
Leak
current(mA)
30
40
For series 282, 362
3 30 2.5 3020 30
20