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Idiomas disponibles
Installation and debugging
3. Outdoor unit PCB dipswitch setting, attention the different PCB version.
In the following table, 1 is ON, 0 is OFF.
BM1 introduction
BM1_1 Indoor searching after startup
BM1_2 Celsius/Fahrenheit area selection
BM1_3 External static pressure
BM1_4 Energy saving or refrigeration effect priority
BM1_5 Indoor simultaneous control
BM1_6 Defrosting condition selection
BM1_7 Defrosting level
BM1_8 Silent operation selection
BM2 introduction
BM2_1 Cold only or heat pump
BM2_2
BM2_3
Outdoor horse power selection
BM2_4
BM2_5 Power source selected
BM2_7
Running mode preference
BM2_8
Note: Either indoor unit unlocked or the locked quantity different with actual connecting number, it cannot run.
4. bridge instruction
CJ1:
Short it before power ON-- PCB check its function (used for factory production.
Short it after power ON-- time short function, 60 seconds become to 1 second.
CJ2: Reserved
0
Begin to search indoor
1
Stop searching indoor and lock the quantity
0
Celsius area
1
Fahrenheit area
0
High
1
Low
0
Energy saving priority
1
Refrigeration effect priority
0
No
1
Yes
0
Not easy to frost area
1
Easy to frost area
0
Ordinary
1
Strengthen
0
Forbidden(without silent operation)
1
Allow (with silent operation)
[1]
Cold only or heat pump
0
Heat pump(default)
1
Cold only
[2]
[3]
[4]
1
0
0
1
0
1
1
1
0
[5]
Power source selected
0
Single-phase
1
Three-phase
[7]
[8]
Running mode preference
0
0
Start first(default)
0
1
Later start first
1
0
Cooling first
1
1
Heating first
19
Outdoor horse power selection
4HP
5HP
6HP
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