Gaobiao F500 User Manual - Page 5

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NO.3
Wires Connection Instruction
Terminal Conventional Heat Pump
1
C
2
Rh
3
Rc
4
W1
5
W2
6
G
7
Y1
8
Y2
Description
C
Common
Rh
24V AC power
Rc
O/B
Heating or changeover
AUX
2nd stage heating or Auxiliary heating
G
Fan
Y1
Compressor Stage 1
Y2
Compressor Stage 2