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13-2. OUTDOOR UNIT
13-2-1. Outdoor controller circuit board
PUHZ-RP1.6VHA
PUHZ-RP2VHA
PUHZ-RP3VHA
PUHZ-RP4VHA
PUHZ-RP3VHA-A
PUHZ-RP4VHA-A
PUHZ-RP4VHA
PUHZ-RP5VHA
1
PUHZ-RP4VHA
-A PUHZ-RP5VHA
1
Communication
power supply
ZD71 Voltage
developed across:
16-30V DC
+
CNS
–
(Indoor/outdoor unit
connecting wire)
CN2
Connect to the outdoor
power circuit board (CN2)
1-5:
Power circuit board
Transmitting signal to
the controller circuit board
(0-5V DC)
2-5: Zero cross signal
(0-5V DC)
3-4: Not used
(RP1.6-3VHA)
18V DC (RP4-6VHA)
6-5: 15V DC
7-5: 15V DC
[5: – 1,2,6,7: + ]
[4: – 3: + ]
CNAC
1 to 3: Power supply
for outdoor controller
circuit board
(220V-240V AC)
5 to 7: Power supply
for indoor/outdoor unit
connection wire
(220V-240V AC)
21S4
Four-way valve
63H
High pressure switch
63L
Low pressure switch
Only for RP4-6VHA
52C
52C relay
Only for RP4-6VHA
SV2
RP3:Bypass valve
RP4-6:Replace valve
Test point for
voltage check
CN4
(Between 1 to 3
Transmission
220-240V AC)
to outdoor
power circuit
board (CN4)
PUHZ-RP2.5VHA
PUHZ-RP5VHA
PUHZ-RP5VHA-A PUHZ-RP6VHA-A
PUHZ-RP6VHA
1
-A
PUHZ-RP6VHA
1
FAN11•FAN21 (FAN21 is only for RP4-6VHA.)
Connect to fan motor (MF).
LED1, LED2
Operating inspection
CN52C
indicators
52C relay
LED3: Short-circuited
(
Connect to the
(with jumper wire mounted)
outdoor noise
LED4: Not used
filter circuit board
(nothing mounted)
(CN52C))
Only for RP3VHA
121
PUHZ-RP6VHA
1
-A
1
SWP
Pump down
CN31
Emergency
operation
FAN12
FAN22
•
(FAN22 is only for RP4-6VHA.)
Connect to fan motor (MF)
(Detection of position)
1 to 5
}
5V DC pulse
2 to 5
(Detected while the
3 to 5
motor is rotating.)
[
]
1 to 4 : +
5 : –
CNDC
300-380V DC
+
}
Connect from
outdoor power
–
circuit board
(LD1-LD2)
LEV-A, LEV-B
Linear expansion
valve
TH6
Thermistor
<Outdoor 2-phase pipe>
TH7
Thermistor<Outdoor>
TH3
Thermistor
<Outdoor pipe>
TH4
Thermistor
<Discharge>
CNDM
1 to 2: Input of silent mode
1 to 3: Input of external
contact point
CNVMNT
Connected to outdoor
M-NET board
CNM
A-control service
inspection kit
CNMNT
Connected to outdoor
M-NET board
Control power
+
}
supply voltage
–
5V DC:
4.75-5.25V DC
J1~J6 Model setup
SW1
Forced defrost,
detect history
record reset,
refrigerant address
SW4
Test operation
SW5
Function
switch
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