
- 81 -
[
III
Outdoor Unit / BC Controller Components ]
[3] Outdoor Unit Circuit Board
1. Outdoor MAIN board
(1) PUHY/PURY
1 - 2 DC 30V
1 - 3 DC 30V
4 - 5 DC 7V
4 - 6 DC 12V
7 - 8 DC 7V
Power input for CNVCC1 control
CN3D
1 - 2 NIGHT MODE input
1 - 3 DEMAND input
CN3S
1 - 2 Snow sensor input
CNLVB
LEV1 Output
Address SW
Control sensor input
Dip switch
SW1 - SW5
LD1
Service LED
F1,F2 Fuse
AC 250V/6A
CN20
Power input
5 L1 phase
1 Ground
CNAC3
Power output
3 L1 phase
1 L2 phase
CN21
Power input
3 L2 phase
1 L3 phase
(208/230V)
CNOUT1
Relay drive output
to relay board
Power output to relay
board (AC208/230V)
51C2 detection
signal input
CNRT1
1 - 5
1 - 3
Compressor operation
Outdoor unit operation
error signal output
Output from solenoid
valve for unit control etc.
CN51
3 - 4
3 - 5
1 - 3
CN52C
52C1 driving output
AC 208/230V
CN38
High-pressure
switch (63H)
CN41(without power supply to
centralized system)
CN40(with power supply
to centralized system)
CNS2
For centralized control
system (DC30V)
CNS1
For indoor/outdoor
transmission line (DC30V)
CNRS3B
Serial communication input from
and output to inverter board
CNRS3A
Serial communication input from
and output to fan inverter board
LD2
Содержание PUHY-P168
Страница 11: ... 2 ...
Страница 23: ... 14 ...
Страница 25: ... 16 ...
Страница 38: ... 29 II Restrictions ...
Страница 42: ... 33 II Restrictions ...
Страница 46: ... 37 II Restrictions ...
Страница 50: ... 41 II Restrictions ...
Страница 54: ... 45 II Restrictions ...
Страница 58: ... 49 II Restrictions ...
Страница 75: ... 66 ...
Страница 99: ... 90 III Outdoor Unit BC Controller Components 2 RELAY BOARD RELAY 4 board 3 RELAY BOARD RELAY 10 board ...
Страница 101: ... 92 ...
Страница 111: ... 102 ...
Страница 113: ... 104 ...
Страница 126: ... 117 VI Refrigerant Circuit 1 Refrigerant Circuit Figure 119 2 Principal Parts and Functions 126 ...
Страница 127: ... 118 ...
Страница 134: ... 125 VI Refrigerant Circuit 3 CMB P104 and P108NU GB sub TH25 TH22 LEV3a CP Solenoid valves Block Check valves Block ...
Страница 145: ... 136 ...
Страница 147: ... 138 ...
Страница 185: ... 176 ...
Страница 187: ... 178 ...
Страница 241: ... 232 ...
Страница 243: ... 234 ...
Страница 366: ... 357 IX Troubleshooting ...
Страница 367: ... 358 ...
Страница 368: ... 359 X LED monitor display on the outdoor unit board 1 How to read the LED on the service monitor 361 ...
Страница 369: ... 360 ...