Chigo CHV Mini Series - Page 86

CHV Mini VRF 50/60Hz
201908 85
Part 4 - Troubleshooting
PCB ports instruction:
No. Content Remark
1
Outdoor digital tube Display running parameter or error code
2
UP Inspection-up button
3
DN Inspection-down button
4
CN2 Terminal for inspection signal wire
5
CN1 Terminal for communication signal wire
6
P, Q, E Indoor unit communication interface
7
X, Y, E Centralized control interface
8
COOL Forced cooling (Commissioning)
1
1
1
2
1
3
1
4
1
5
1
6
1
7
1
8
No. Content Remark
26 TEM-M Radiator temperature sensor
27 L1-OUT PFC inductor_1 output
28 L2-OUT PFC inductor_2 output
29 L1-IN PFC inductor_1 input
30 L2-IN PFC inductor_2 input
31 SW4 Outdoor unit capacity