Mitsubishi Electric Mr.SLIM PUHZ-RP35VHA2 Service Manual page 79

11-9. TEST POINT DIAGRAM
Outdoor controller circuit board
PUHZ-RP35VHA2
PUHZ-RP100VHA2 PUHZ-RP125VHA2 PUHZ-RP140VHA2
PUHZ-RP100YHA2 PUHZ-RP125YHA2 PUHZ-RP140YHA2
CNS
(Indoor/outdoor unit
connecting wire)
Communication
power supply
ZD71 Voltage
developed across:
16-30V 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
(220V-240V AC)
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
(RP35-71V)
(RP100-140Y)
18V DC
(RP100-140V)
6-5: 16V DC
7-5: 16V DC
[5: – 1,2,6,7: + ]
21S4
Four-way
valve
SV2
RP60-71 : Bypass valve
RP100-140 : Replace
valve
CN4
Transmission
to outdoor
power circuit
board (CN4)
CN52C
(Connect to the outdoor noise fil-
ter circuit board (CN52C))
Only for RP35-RP71V
PUHZ-RP50VHA2
CN51
External signal output
• Compressor operating signal
• Abnormal signal
PUHZ-RP60VHA2 PUHZ-RP71VHA2
V (TEST POINT 2)
CC
(voltage between pins of C6B): DC 15V
63H
High pressure switch
SW10 SW9
Model select
CNDM
1 to 2: Input of low-level sound priority mode
1 to 3: Input of external contact point
79
<CAUTION> TEST POINT1 is high voltage.
V (TEST POINT 1)
DC
(voltage between pins of C5E)
: DC250V-380V
CNDC
DC280V-380V
+
}
Connect from out-
door power circuit
–
board for RP·VHA2,
connect from noise
filter board for
RP·YHA2
V (TEST POINT 3)
SP
(voltage between pins of
C5A, C5B): DC 0V (when
stopped), DC 1– 6.5V
(when operated)
V (TEST POINT 4)
FG
(voltage between right
pins of PC5C and PC5D,
pin 3 and pin 4)
TH33
Thermistor
<Outdoor pipe>
TH6
Thermistor
<Outdoor 2-phase pipe>
TH7
Thermistor<Outdoor>
TH3
Thermistor
<Outdoor pipe>
TH4
Thermistor
<Discharge>
LEV-A,-B
Linear expansion valve
SW4
Test operation
SW5
Function switch
SW6
Model select
SW1
Forced defrost,
detect history
record reset,
refrigerant address
SW7
SWP Demand control setting
Pump down
(CNDC)