Kaisai 06RY1, Service Manual

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Table 4-2.2: KHC-06RY1 / KHC-08RY1 / KHC-10RY1 outdoor unit main PCB for refrigerant system
Label in Figure
4-2.2
Code Content
1 CN28
Output port L to MAIN CONTROL BOARD FOR REFRIGERANT SYSTEM
2 CN22
Reserved
3 CN27
Output port N to MAIN CONTROL BOARD FOR REFRIGERANT SYSTEM
4 CN3
Reserved
5
PE2 Port for ground wire
6
DSP1 Digital display
7
CN17 Port for communication with MAIN CONTROL BOARD FOR REFRIGERANT SYSTEM
8
PE1 Port for ground wire
9
CN26 Port for IC programming
10
CN10 Input port for neutral wire
11
CN11 Input port for live wire
12
CN9 Port for outdoor ambient temp. sensor and condenser temp. sensor
13
CN24 Input port for +12V/9V
14
CN1 Port for suction temp. sensor
15
CN8 Port for discharge temp. sensor
16
CN13 Port for high pressure switch
17
CN14 Port for low pressure switch
18
CN29 Port for communication with hydro-box control board
19
CN4 Port for pressure sensor
20
CN30 Port for communication(reserved)
21
CN2 Port for communication(reserved)
22
CN33 Port for electrical expansion value
23
CN16 Reserved
24
CN6 Port for 4-way value
25
CN5 Port for SV6 value
26
CN7 Port for compressor electric heating tape 1
27
CN18 Port for compressor electric heating tape 2
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