MovinCool Classic 40 Service Manual - Manual (Page 40)

Operation Section
40
5.12 Control Box
(1) Reverse Phase Protector
• The reverse phase protector is operated at
nominal voltage of three-phase, 220 V.
• If the phases are reverse, the output relay will
not energize.
• The reverse phase protector is reset
automatically upon correction of the fault.
Specifications:
5.13 Compressor Motor Relay
• The compressor motor relay is a normal open
contact relay.
• When the unit is operating in COOL mode, the
current is flowing through terminal A1 and A2 of
the relay’s coil and causes contactor terminals
1/L1 and 2/T1, 3/L2 and 4/T2, 5/L3 and 6/T3,
13 and 14 to become closed, and the power is
supplied to compressor and condenser fan
motor.
Specifications:
Rated Line Voltage 220 V
Contact Rating 600 V max., 30 A
Coil Rating 240 V max., 0.037 A
I003095
Reverse Phase Protector
R
R
S
T
CN
AC220 V
load
AC220 V
60 Hz
7
5
3
1
C
I003032
A1
A2 2/T1
1/L1 3/L2 5/L3 13
4/T2 6/T3 14
1/L1
2/T1
4/T2
6/T3
3/L2
5/L3
13
A1
A2
14