53
11-9. TEST POINT DIAGRAM
Outdoor controller circuit board
PUHZ-RP1.6VHA
PUHZ-RP4VHA
PUHZ-RP2VHA
PUHZ-RP4VHA
1
PUHZ-RP2.5VHA
PUHZ-RP5VHA
PUHZ-RP2.5VHA
1
PUHZ-RP5VHA
1
PUHZ-RP3VHA
PUHZ-RP6VHA
PUHZ-RP3VHA
1
PUHZ-RP6VHA
1
FAN12
•
FAN22
(FAN22 is only for RP4-6VHA.)
Connect to fan motor (MF)
(Detection of position)
1
to
5
2
to
5
3
to
5
5V DC pulse
(Detected while the
motor is rotating.)
}
FAN11•FAN21
(FAN21 is only for RP4-6VHA.)
Connect to fan motor (MF).
CNS
(Indoor/outdoor unit
connecting wire)
Communication
power supply
ZD71 Voltage
developed across:
16-30V DC
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
RP2.5-3:Bypass valve
RP4-6:Replace valve
Test point for
voltage check
(Between
1
to
3
220-240V AC)
CN4
Transmission
to outdoor
power circuit
board (CN4)
CN52C
52C relay
(
Connect to the
outdoor noise
filter circuit board
(CN52C))
Only for RP1.6-3VHA
LED1, LED2
Operating inspection
indicators
LED3: Short-circuited
(with jumper wire mounted)
LED4: Not used
(nothing mounted)
CN31
Emergency
operation
SWP
Pump down
SW5
Function
switch
SW4
Test operation
SW1
Forced defrost,
detect history
record reset,
refrigerant address
SW6(J1~J6)
Model select
Control power
supply voltage
5V DC:
4.75-5.25V DC
CNMNT
Connected to outdoor
M-NET board
CNM
A-control service
inspection kit
TH4
Thermistor
<Discharge>
TH3
Thermistor
<Outdoor pipe>
TH7
Thermistor<Outdoor>
TH6
Thermistor
<Outdoor 2-phase pipe>
LEV-A, LEV-B
Linear expansion
valve
CNDC
300-380V DC
Connect from
outdoor power
circuit board
(LD1-LD2)
CNDM
1
to
2
: Input of silent mode
1
to
3
: Input of external
contact point
–
+
}
–
+
}
–
+
1
to
4
: +
5
: –
]
[
CNVMNT
Connected to outdoor
M-NET board
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
: + ]
OC294-D-2.qxp 05.3.9 11:03 AM Page 53
