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Sign
Meaning
Number
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
24
Compressor ( output 220-230VAC)
Water pump ( output 220-230VAC)
4-way valve ( output 220-230VAC)
High speed of fan ( output 220-230VAC)
Low speed of fan (output 220-230VAC)
Live wire ( input 220-230VAC)
Neutral wire ( input 220-230VAC)
Pressure sensor
Water flow switch
input
High pressure switch
input
Low pressure switch
input
Water output temperature ( input )
System fan coil temperature( input)
Ambient temperature( input)
System Exhaust temperature (input)
Earth wire
Earth wire
(
)
(
)
(
)
System suction temperature (input)
Water input temperature (input)
P10-(U)
P10-(V)
P10-(W)
CN18(EMV)
CN13(HEAT)
CN96(H)
CN96(L)
P1(AC-L)
P2(AC-N)
CN99(PL)
CN29(OVT)
CN30(HP)
CN31(LP)
CN7(OAT)
CN21(RES1)
CN22(RES2)
CN8(OPT)
CN12(PH)
CN9(OHT)
P00(GND)
P01(GND)
P13(L)
P14(L)
R485(B)
R485(A)
CN15
22
23
Color line controller communication
Electric reactor
Electronic expansion valve
Main board of the input and output interface instructions below
4.Use and Operation Instruction
28
1
2
3
1
2
1
2
A
B
1
2
1
2
4
5
6
3
1
2
4
5
6
3
1
2
1
2
1
2
4
5
6
3
7
8
9
Controller interface diagram and definition
4.11 .
Main board(PIV17/32 PIV21/32)
4.Use and Operation Instruction
1
2
P
0
3
(G
N
D
)
27
Summary of Contents for hydro-pro PX
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