Haier MRV 5 Series Troubleshooting Manual page 15

A
Outdoor
unit
Indoor
unit
A B
Check if the wiring
connection sequence
between indoor and
outdoor unit is correct
Outdoor
unit
B C D
Outdoor
unit
Indoor
unit
C D
12
change the
wiring
sequence
Indoor
Note:
unit
Outdoor unit terminal A===Indoor unit teriminal A
Outdoor unit terminal B===Indoor unit teriminal B
Outdoor unit terminal C===Indoor unit teriminal C
Outdoor unit terminal D===Indoor unit teriminal D
A B C
After that, the same colour wire should conects
the same position, like green colour wire
conects the terminal A positon 1.
D