Kaisai KHC-06RY1, Installation Manual

Page: 117 / 176

9.3.2 1-phase for 6-10 kW units
1) PCB A
，
6-10kW
，
Inverter module
8
9
6
4
5
7
1 2 3
1
2
3
4
5
Assembly unit Assembly unit Code Code
6
7
8
9
/ /
Port for fan(CN19)
Output port for +12V/9V(CN20)
Compressor connection port U
Compressor connection port V
Compressor connection port W
Reserved(CN302)
Port for communication with PCB B(CN32)
Input port L for rectifier bridge(CN501)
Input port N for rectifier bridge(CN502)
CN20
Remarks: for 6kw, two capacitors
2) PCB B, Main control board of heat pump system
Assembly unit Assembly unit Code
18
19
20
21
22
23
24
25
26
Reserved(CN3)
Output port N to PCB A(CN27)
Port for communication with PCB A(CN17)
Port for ground wire(PE1)
Reserved(CN26)
Port for ground wire(PE2)
Input port for live wire(CN11)
Input port for neutral wire(CN10)
Input port for +12V/9V(CN24)
Port for outdoor ambient temp. sensor and
condenser temp.sensor(CN9)
Port for high pressure switch (CN13)
Port for discharge temp.sensor(CN8)
Port for pressure sensor(CN4)
Port for communication with hydro-box control board
(CN29)
Reserved(CN20)
Reserved(CN38)
Port for electrical expansion valve(CN33) 27
28
29
Digital display(DSP1)
Port for chassis electrical heating tape(CN16)
(optional)
Port for compressor eletric heating tape 1(CN7)
Port for 4-way valve(CN6)
Port for SV6 valve(CN5)
Port for compressor eletric heating tape 2(CN18)
Port for sunction temp.sensor(CN1)
1
2
3
4
5
6
7
8
9
Code
12
11
10
14
13
30
Output port L to PCB A(CN28)
5 4
11
10 9
12
13
20 29 28 27 21 22 23 26 25 24
1
CN28
CN22
2
3
CN27
6 7 8
14
15
17
18
19
16
30 31 32 33 34
PE2
PE1
DISP1
CN10
CN11
CN9
CN4
CN1
CN17
CN24
CN8
CN14
CN29
CN26
CN3
CN18
CN21 CN7 CN5 CN6 CN16 CN19
CN55
CN33
CN2 CN30 CN36 CN37 CN38 CN20
Reserved(CN22)
15
16
17
Port for low pressure switch (CN14)
Reserved(CN37)
Reserved(CN36)
Port for communication(reserved,CN30)
Port for communication(reserved,CN2)
Reserved(CN55)
32
31
33
34
Reserved(CN19)
Reserved(CN21)
CN13
117