HAIER CHILLER
2) 386 PCB circuit: it is the input/output control of PCB mostly.
AI3
AI2
AI0
AI1
D14
D12
D13
32
K2
31
X22
X20
X19
X21
DF
3
DF
4
X13
D10
D9
D8
D11
29
KM
5
KM
4
28
30
KM
6
X16
X15
X14
X17
D7
D6
D5
COM2
KM7
25
27
26
X12
X11
X10
PCB
X9
13
14
12
11
10
9
(24V+)
DF1
42
KM
3
41
KM2
X3
D1
COM1
D4
D3
D2
23
21
KM1
22
KM2
X7
X6
X4
X5
COM0
N
L
D0
20
KM
3
X2
(24V+)
X0
X1
0
205
FG
(24V-)
100
4
8
7
6
5
3
1
2
102
X8
24
DF
2
AI4
15
93
91
485A
D25
D23
D22
D24
H2
34
CN2
CN1
CN3
COM5
D20
D19
D21
33
K1
485B
AI7
AI6
AI5
92
90
K1
K2
18
17
16
X18
COM3
DF
6
DF5
X23
D15
COM4
D16
D18
D17
N
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box
.
No1 condensing fan motor
No2 condensing fan motor
No3 condensing fan motor
auxiliary electric heat
liquid-spray solenoid valve
4-way valve
by-pass solenoid valve
compressor capacity
solenoid valve 75%
compressor capacity
solenoid valve 50%
compressor capacity
solenoid valve 25%
failure alarm
cycling water pump
compressor control
heater
cycling pump startup/stop switch
auxiliary heating startup/stop switch
compressor oil pressure
drop controller
remote control
cycling water flow protection
compressor electronic protection
compressor oil level protection
power supply protection
compressor overload
No.1 fan motor overload
No.2 fan motor overload
No.3 fan motor overload
address setting
cycling water inlet
touch screen
cycling water outlet
main control water outlet
discharging temperature
fin temperature
discharging pressure
suction pressure
37