Mitsubishi Electric PUZ-ZM35VKA Service Manual page 67

Outdoor controller circuit board
PUZ-ZM60VHA
SW1
Manual defrost,
detect history record reset,
refrigerant address
SW7
Demand control setting
SW6
Model select
SW4
Test operation
SWP
Pump down
SW8
Pipe replace
Wiring replace
SW5
Function switch
CNM
Connect to A control
service tool
CNMNT
Connect to
M-NET adapter (CN5)
CNVMNT
Connect to
M-NET adapter (CND)
LEV-A,B
Linear expansion valve
TH4
Thermistor
<Discharge>
TH3
Thermistor
<Liquid>
TH7/6
Thermistor
<Ambient/
2-phase pipe>
63H
High pressure switch
TH33
Thermistor
<Comp. surface>
V
FG
(Voltage between
right pins of PC5C
and PC5D, pin 3
and pin 4)
(Same as
(CNF1 (+)- (−))
7 4
V
SP
CNF1, CNF2
(Voltage between pins of
Connect to the fan motor
C5A, C5B):
0 V DC (when topped),
1–4: 250–330 V DC
1– 6.5 V DC
5–4: 15 V DC
(when operated) 6–4: 0–6.5 V DC
7–4: 15 V DC (When stopped)
OCH653
PUZ-ZM71VHA
CNDM
1–2: Input of low-level sound priority mode
1–3: Input of external contact point
7.5 V DC (When operated)
(0–15 V pulse)
+
CNDC
Communication power supply
250–330 V DC
D71 Voltage
(1+, 3−)
24 V DC
(Outdoor power circuit
board for ZM60–71V
67
<CAUTION> TEST POINT1 is high voltage.
21S4
4-way valve
CN51
External signal output
• Compressor operating signal
• Abnormal signal
CN52C
Connect to the noise filter
circuit board (CN52C)
(ZM60/71V)
CN4
Transmission to out-
door power circuit
board (CN4)
CNAC
2–4: Power supply for
outdoor controller circuit
board (230 V AC)
1–3: Power supply for
indoor and outdoor unit
connection wire
(230 V AC)
CN2
Connect to the outdoor
power circuit board (CN2)
1–5: R eception from
power circuit board
2–5: Z ero cross signal
(0–5 V DC)
3,4: Not used
6–5: 16 V DC
7–5: 16 V DC
CNS
S1–S2: 230 V AC
−