Control Wiring Design - Gree GRS-CQ6.0Pd/Na-K Service Manual

AIR-TO-WATER HEAT PUMP
Disassembly from left side

4 CONTROL WIRING DESIGN

CN6
AP
Indoor Unit
CN5
Eletric box
CN7
Main board
Installation Instruction :
(1). Wired controller connects to terminal CN6 on mainboard of indoor unit by 4-core
communication line.
(2). The indoor unit connects to outdoor unit by 3-core communication line. Wiring
terminal of indoor unit is CN5 and that of the outdoor unit is CN66.
(3). Remote monitoring device connects to terminal CN7 of indoor unit by 4-core
communication line.
Diplay
board
CN1
Long-distance
Minitor PC
Disassembly from right sid
CN66 AP1
Main board
CONTROL
Outdoor Unit
Eletric box
64