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Outdoor controller circuit board
PUHZ-W112VHAR1
PUHZ-W112VHAR1-BS
SW1
Manual defrost, detect
history record reset
SW7
Function switch
SW6
Model select
SW5
Function switch
SW8
Function switch
LEV-A,B
Linear expansion
valve
TH34
Thermistor
<Comp. surface>
63H
High pressure
switch
TH4
Thermistor
<Discharge>
63L
Low pressure switch
TH3
Thermistor
<Liquid>
TH7/6
Thermistor
<Ambient/
Plate HEX liquid>
TH32
Thermistor
<Inlet water>
TH33
Thermistor
<Suction>
V
FG
(Voltage between
right pins of PC5C
and PC5D, pin 3
and pin 4)
(Same as
(CNF1
(+)–
(−))
7
4
V
CNF1, CNF2
SP
Connect to the fan motor
(Voltage between pins
1–4: 280–380 V DC
of C5A, C5B):
5–4: 15 V DC
0 V DC (when stopped),
1–6.5 V DC
6–4: 0–6.5 V DC
(when operated)
7–4: 15 V DC (When stopped)
7.5 V DC (When operated)
(0–15 V pulse)
OCH562D
PUHZ-W112VHAR2
PUHZ-W112VHAR2-BS
SW2
SW9
Function switch
Operation monitor
function
CNDC
280–380 V DC (1+, 3−)
(Outdoor power circuit
board for)
33
<CAUTION> TEST POINT 1 is high voltage.
PUHZ-W112VHAR3
PUHZ-W112VHAR3-BS
CNDM
1 to 2:
Input of low-level
sound priority mode
21S4
4-way valve
CN52C
Connect to the power
circuit board (CN52C)
CN4
Transmission to out-
door power circuit
board (CN4)
SV1
Connection for option
(Drain hose heater output)
CN2
Connect to the outdoor
power circuit board (CN2)
1–5: Reception from
power circuit board
2–5: Zero cross signal
(0–5 V DC)
3–4: 18 V DC
6–5: 16 V DC
7–5: 16 V DC
CNAC
2 to 4:
Power supply for outdoor
controller circuit board
(230 V AC)
1 to 3:
Power supply for indoor
and outdoor unit connec-
tion wire
(230 V AC)
CNS
S1–S2: 230 V AC
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