Specifications

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)

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)

MRT080

MRT100A

(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

MRT080

MRT100A