Gree MULTI18HP230V1A - Page 56

56
Printed Circuit Boards
ese circuit diagrams are subject to change without notice, please refer to the one supplied with the unit.
MULTI24HP230V1AO & MULTI30HP230V1AO
1 Compressor Interface 7
Compressor overload
interface
13
Unit A electronic
expansion valve
19
Power input neutral
wire
2
Temperature sensor of
unit A liquid and gas
valve
8
Chassis electric heater
interface
14
Unit B electronic
expansion valve
20
Power input hot wire
interface
3
Temperature sensor of
unit B liquid and gas
valve
9
Compressor electric
heater interface
15
Unit C electronic
expansion valve
21
PFC hot wire
interface
4
Temperature sensor of
unit C liquid and gas
valve
10 Outdoor fan interface 16
Unit D electronic
expansion valve
22
PFC neutral wire
interface
5 Temperature sensor of
unit D liquid and gas
valve
11 4-way valve interface 17
Communication wire
interface
6 Temperature sensor
interface
12
High voltage
protection interface
18
Communication wire
neutral interface