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Electric wiring and the application
SW01 SW02 Display of numeral pipe light with seven segments
2
0-F
Display indoor unit program version when communication is normal or else display "---"
Indoor unit types(0:Ordinary indoor uint,1:Wall mounted,2:Fresh air uint,3:Heat reclaim ventalation,4-
3
0-F
7:Ordinary indoor unit)
4
0-F
Display failure code when suffers failure ,or else display "---"
5
0-F
Indoor unit horse power(one decimal)
First and second num.: Current operation mode of the indoor unit(00:Off,01:Fan, 02:Cooling,03:
Dehumidification,04:Heating)
6
0-F
Third num.: Capacity requirement of the outdoor unit(0-no,1-yes)(e.g.:"021" means cooling and capacity
requirement of the outdoor unit,"040" means heating and no capacity requirement of the outdoor unit)
7
0-F
Indoor unit PMV opening(unit:pls,max:999)
Indoor unit:
8
0-F
First num.: Floater switch(0-off,1-on), Second num.: Pump(0-off,1-on),Third num.:
Electric heater:(0-off,1-on)("110" means floater on, pump on and electric heater off)
9
0-F
Indoor unit: Ambient temp. sensor TA(unit:℃）
A
0-F
Indoor unit: Gas pipe temp. sensor TC1(unit:℃）
B
0-F
Indoor unit: Liquid pipe temp. sensor TC2(unit:℃）
C
0-F
Indoor unit: Fan speed(0-stop,1-low,2-middle,3-high)
Display "CCC" in forced cooling mode.(Pressing "Start" 5 seconds, indoor units enter cooling mode, they
E
0-F
exit when pressing "Stop" 5 seconds),Display "---" without forced.
Display "HHH" in forced heating mode.(Pressing "Start" 5 seconds, indoor units enter heating mode, they
F
0-F
exit when pressing "Stop" 5 seconds),Display "---" without forced.
Outdoor unit PCB dipswitch setting (attention the different PCB version.)
In the following table, 1 is ON, 0 is OFF.
• Defined principles of dial switch:
BM1 puts emphasis on setting or debugging during the project, while BM2 during factory production.
① BM1 introduction
BM1_1 Lock indoor quantity
BM1_2 Reserved
BM1_3 Fan selection
Energy saving or refrigeration effect
BM1_4
priority
BM1_5 Indoor simultaneous control
BM1_6 Defrosting condition selection
BM1_7 Defrosting level
[1]
Lock indoor quantity
0
Begin to search indoor
1
Stop searching indoor and lock quantity
[2]
Reserved
0
Reserved (default)
1
Reserved
[3]
Fan selection
0
All AC
1
All DC (default)
[4]
Energy saving or refrigeration effect priority
0
Energy saving priority
1
Refrigeration effect priority
[5]
Indoor simultaneous control
0
No
1
Yes
[6]
Defrosting condition selection
0
Not easy to frost area(default)
1
Easy to frost area
[7]
Defrosting level
0
Ordinary(default)
1
Strengthen
17
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