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Communication power supply
D71 Voltage
V DC
CNS
S1-S: 08/0V AC
CNAC
2
to
4
:
Power supply for out-
door controller circuit
board (08/0V AC)
1
to
3
:
Power supply for indoor
and outdoor unit connec-
tion wire
(08/0V AC)
CNF1, CNF
Connect to the fan motor
1
-
4
: 80V DC
5
-
4
: 1V DC
6
-
4
: 0-6.V DC
7
-
4
: 1V DC(When stopped)
7.V DC(When operated)
(0V-1V pulse)
1S
Four-way valve
6H
High pressure
switch
CN
Transmission to out-
door power circuit
board (CN)
SW
Test operation
SW6
Model select
SW
Function switch
SW1
Forced defrost, detect history record reset,
refrigerant address
CNDM
1
to
2
:
Input of low-level
sound priority mode
1
to
3
:
Input of external con-
tact point
TH
Thermistor
<Discharge>
TH
Thermistor
<Outdoor pipe>
TH7/6
Thermistor
<Outdoor/
-phase pipe>
CNDC
80V DC (
1
+,
3
-)
(Outdoor power circuit
board
+ -
V
FG
(TEST POINT
4
)
(Voltage between
right pins of PCC
and PCD, pin
and pin )
(Same as
(CNF1
7
(+)-
4
(-))
V
SP
(TEST POINT
3
)
(Voltage between pins
of CA, CB):
DC 0V(when stopped),
DC 1– 6.V
(when operated)
SW7
Demand control setting
CN1
External signal output
• Compressor operat-
ing signal
• Abnormal signal
LEV-A,B,C
Linear expansion
valve
SWP
Pump down
SW8
Pipe replace
Wiring replace
CNM
Connect to A control
service tool
CNMNT
Connect to
M-NET adapter(CN)
CNVMNT
Connect to
M-NET adapter(CND)
CN
Connect to the outdoor
power circuit board (CN)
1
-
5
: Reception from
power circuit board
2
-
5
: Zero cross signal
(0-V DC)
3
-
4
: 18V DC
6
-
5
: 16V DC
7
-
5
: 16V DC
CNC
(Connect to the noise
filter circuit board
(CNC))
10-9. TEST POINT DIAGRAM
Outdoor controller circuit board
PUZ-HA30NHA4 PUZ-HA36NHA4
<CAUTION> TEST POINT
1
is high voltage.
TH, TH
Thermistor
(Outdoor pipe>
6L
Low pressure
switch
Содержание Mr.Slim PUZ-HA30NHA2
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