Specifications

63
Symbol Name
MC1,2 Compressor motor
MF1 Fan motor (indoor)
MF2,3 Fan motor (outdoor)
52C1,2 Contactor (compressor)
52F1 Contactor (fan I/D)
52F2 Contactor (fan O/D)
TB1,2 Terminal block
F1, F2 Fuse (3.15A)
Tr Transformer
51C1,2 Over current relay (compressor)
51F1 Over current relay (fan I/D)
63H1,2 High-pressure switch
FZ Auxiliary relay (fan)
CZ Auxiliary relay (compressor)
30CZ1,2 Auxiliary relay (check)
30FZ Auxiliary relay (check)
TCZ Timer (2 sec.)
<SW> Switch (on)
<23WA1,2> Thermostat (room temp.)
47 Phase protector
49F1,2 Internal thermostat (fan O/D)
C03,04,11,12,14,21
,22,24
Connector
Controller connection.
Symbol No. Function
PAC-204RC
terminal no.
1 Power (Active) 24VAC(L)
3,4 Cooling operation COMP1, 2
5 Fan operation FAN HI
TB2
6 Power (Neutral) 24VAC(N)
Caution,
1. To protect each Fan motor and Compressor from abnormal
current, Over current relays <51C1,2>, <51F1> are installed.
Therefore, do not change factory set value of Over current
relays.
2. This timer <TCZ> installed because the power supply breaker
may operate if two compressors start at the same time.
3. Do no change the factory set value of Timer.
MRT150A
MRT200A
(MECHANICAL
CONTROL)
Note : 1. The dotted lines show field wiring
2. The figure in the parentheses show field supply parts.
3. Color of earth wire is yellow and green twisting.
4. If the power supply is 380AV, change the “C03”
connector with silver color tape to red color tape
5. Refer below example about wiring mark
MRT150/200
A