Mitsubishi Electric Mr.Slim PUHZ-RP35VHA3 Service Manual page 77

Split-type, heat pump air conditioners
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Outdoor controller circuit board
PUHZ-RP35/50/60/71/100VHA2
PUHZ-RP35/50/60/71/100VHA3
SW1
SW7
Forced defrost,
detect history
Demand control setting
record reset,
refrigerant address
SW6
Model select
SW4
Test operation
SWP
Pump down
SW5
Function switch
SW8
Pipe replace
Wiring replace
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
<Outdoor pipe>
TH7/6
Thermistor
<Outdoor/
2-phase pipe>
63H
High pressure
switch
TH33
Thermistor
(Outdoor pipe>
V
FG
(Voltage between
right pins of PC5C
and PC5D, pin 3
and pin 4)
(Same as
7
4
(CNF1
(+)-
(-))
V
SP
(Voltage between pins
of C5A, C5B): DC 0V
(when stopped), DC 1–
6.5V
(when operated)
CNF1, CNF2
Connect to the fan motor
1-4: 280V DC
5-4: 15V DC
6-4: 0-6.5V DC
7-4: 15V DC(When stopped)
PUHZ-RP100/125/140YHA2
1
PUHZ-RP100YHA3
CNDM
1 to 2: Input of low-level sound priority mode
1 to 3: Input of external contact point
7.5V DC(When operated)
(0V-15V pulse)
<CAUTION> TEST POINT1 is high voltage.
CNDC
+ -
280V DC
Communication power supply
(1+, 3-)
D71 Voltage
(Outdoor power circuit
24V DC
board for RP35-140V)
(Noise filter circuit board
for RP100-140Y)
77
1
CN51
External signal output
• Compressor operating signal
• Abnormal signal
CN52C
(Connect to the noise
filter circuit board
(CN52C)) (RP35-140V)
CN4
Transmission to out-
door power circuit
board (CN4)
SV2
Bypass valve
(RP60-140)
21S4
Four-way valve
CN2
Connect to the outdoor
power circuit board (CN2)
1-5: Reception from
power circuit board
2-5: Zero cross signal
(0-5V DC)
3,4: Not used
6-5: 16V DC
7-5: 16V DC
CNAC
2 to 4: Power supply for
outdoor controller circuit
board (220V-240V AC)
1 to 3: Power supply for
indoor and outdoor unit
connection wire
(220-240V AC)
CNS
S1-S2:220-240V AC

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