17
Symbol
Name
Symbol
Name
MC
Compressor motor
63H
High-pressure switch
MF1
Fan motor (indoor)
FZ
Auxiliary relay (fan)
MF2
Fan motor (outdoor)
CZ
Auxiliary relay (compressor)
52C
Contactor (compressor)
30CZ,30FZ
Auxiliary relay (check)
52F
Contactor (fan I/D)
<SW>
Switch (on)
TB1,2
Terminal block
<23WA>
Thermostat (room temp.)
F1, F2
Fuse (3.15A)
47
Phase protector
Tr
Transformer
49F
Internal protector (fan O/D)
51C
Over current relay (compressor)
C03,04,11,12,14
Connector
51F1
Over current relay (fan I/D)
9. WIRING DIAGRAMS
Caution,
1. To protect each Fan motor and Compressor from abnormal current, Over current
relays <51C>, <51F1> are installed. Therefore, do not change factory set value of Over
current relays.
Controller connection.
Symbol
No.
Function
PAC-204RC
terminal no.
1
Power (Active)
24VAC(L)
2
Cooling operation
COMP1
3
Fan operation
FAN HI
TB2
4
Power (Neutral)
24VAC(N)
ART080A
ART100A
(STANDARD)
ART080A
ART100A
(STANDARD)
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