Kaisai 06RY1, Service Manual

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M thermal Mono
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KHC-12RY3 / KHC-14RY3 / KHC-16RY3
Figure 4-2.6: KHC-12RY3 / KHC-14RY3 / KHC-16RY3 outdoor unit main PCB for refrigerant system
1
1 2 3 4 5 6 7 8
3
2
1
9
10
11
12
13
28 27 26 25 24 23 22 21 20 19 18 17 16 15 14
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M thermal Mono
202008 45
Table 4-2.6: KHC-12RY3 / KHC-14RY3 / KHC-16RY3 outdoor unit main PCB for refrigerant system
Label in Figure
4-2.4
Code Content
1 CN38
Port for GND
2 CN27
Port for 2-way valve 5
3 CN20
Port for 2-way valve 6
4 CN10
Port for electric heating tape1
5
CN7
Port for electric heating tape2
6
CN11
Port for IC programming
7
CN18
Port for 4-way value
8
CN21
Power supply port for hydro-box control board
9
CN41
Power supply port for FILTER BOARD
10
CN26
Port for communication with Power Meter
11
CN24
Port for communication with hydro-box control board
12
CN4
Port for communication with INVERT MODULE BOARD
13
CN6
Port for pressure sensor
14
CN36 Port for communication with MAIN CONTROL BOARD FOR REFRIGERANT
SYSTEM(CN36)
15
CN4 Port for temp.sensor Tp(CN4)
16
CN8 Port for temp.sensor Th(CN8)
17
CN9 Port for outdoor ambient temp. sensor and condenser temp.sensor(CN9)
18
DSP1 Digital display(DSP1)
19
S5,S6 DIP switch(S5,S6)
20
CN31 Port for high pressure switch(CN31)
21
CN29 Port for low pressure switch and quick check(CN29)
22
S3
Rotary dip switch(S3)
23
CN35
Port for temp.sensors(TW_out, TW_in, T1, T2,T2B )
24
CN28
Port for communication XYE
25
S5, S6
DIP switch
26
CN37
Port for communication D1D2E
27
CN22
Port for electrical expansion value
28
CN30
Port for fan 15VDC power supply
29
CN53
Port for fan 310VDC power supply
30
CN107
Port for fan
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