Service Manual

Table Of Contents
U-Match Series DC Inverter Service Manual
87
Figure 3-4-2 Figure 3-4-3
(3) How to fix connection cord and power cord by cord clamp
After passing the connection cord and power cord through the insulation tube, fasten it with the cord
clamp (Figure 3-4-3).
. Before starting work, check that power is not being supplied to the indoor unit and outdoor unit.
. Match the terminal block numbers and connection cord colors with those of the indoor unit side. Erroneous wiring
may cause burning of the electric parts.
. Erroneous wiring may cause burning of the electric parts
. Connect the connection cords firmly to the terminal block. Imperfect installation may cause a fire.
. Always fasten the outside covering of the connection cord with cord clamps. (If the insulator is not clamped, electric
leakage may occur.)
. Always connect the ground wire.
(4) Electric wiring between the indoor and outdoor units
Duct Type Unit:
Single-phase units (18k~30k)
Outdoor Unit
Indoor Unit
1
1
L1
2 2
L2
L1 L2
G
Breaker
Power:208/230V~60Hz
L1 L2
G
Breaker
Power:208/230V~60Hz
L1L2 F
C
O
Single-phase units (36k~48k)
L1 L2
G
Power:208/230V~60Hz
Breaker
Outdoor Unit
1
2
1
2
Indoor Unit
L1 L2
G
Breaker
Power:208/230V~60Hz
L1 L2
L1 L2
F
C
O