28
5-2. OUTDOOR UNIT
PUHZ-RP1.6HA
PUHZ-RP2VHA
PUHZ-RP2.5VHA
PUHZ-RP3VHA
PUHZ-RP4VHA
PUHZ-RP5VHA
PUHZ-RP6VHA
PUHZ-RP4VHA
1
PUHZ-RP5VHA
1
PUHZ-RP6VHA
1
PUHZ-RP4VHA-A PUHZ-RP5VHA-A PUHZ-RP6VHA-A
PUHZ-RP4VHA
1
-A PUHZ-RP5VHA
1
-A PUHZ-RP6VHA
1
-A
4
6
2
3
1
2
3
4
5
6
5
1
M
Blue
Brown
Yellow
Orange
Red
White
Parts name
Check points
Disconnect the connector then measure the resistance using a tester.
(Surrounding temperature 10
:
~30
:
)
Disconnect the connector then measure the resistance using a tester.
(Winding temperature 20
:
)
Thermistor (TH3)
<Outdoor pipe>
Thermistor (TH4)
<Discharge>
Thermistor (TH6)
<Outdoor 2-phase pipe>
Thermistor (TH7)
<Outdoor>
Thermistor (TH8)
<Heat sink>
Normal
160k
"
~410k
"
4.3k
"
~9.6k
"
39k
"
~105k
"
TH4
TH3
TH6
TH7
TH8
Abnormal
Open or short
Normal
(1) - (6)
Red - White
(1) - (4)
Red - Orange
(2) - (5)
Brown - Yellow
(2) - (3)
Brown - Blue
Abnormal
46
±
4
"
Measure the resistance between the terminals using a tester.
(Surrounding temperature 20
:
)
Solenoid valve coil
<Four-way valve>
(21S4)
Pin number of relay
connector is different
from that motor
connector
Motor for compressor
(MC)
Linear expansion valve
( LEV(A),LEV(B) )
Normal
Abnormal
Open or short
RP1.6-3V
RP4-6V
Open or short
Measure the resistance between the terminals using a tester.
(Surrounding temperature 20
:
)
Normal
1197
±
10
"
Abnormal
Open or short
Solenoid valve coil
<Bypass valve>
(SV)
RP2.5-6VHA only
Measure the resistance between the terminals using a tester.
(Winding temperature 20
:
)
Fan motor(MF1,MF2)
Normal
RP1.6V, 2V
66.5
±
3.3
"
RP2.5-6V
15.1
±
0.5
"
2350
±
170
"
1370
±
100
"
RP1.6V, 2V
RP4-6V
0.300
"
~0.340
"
RP2.5V, 3V
0.865
"
~0.895
"
0.266
"
Measure the resistance between the terminals using a tester.
(Winding temperature 20
:
)
Normal
Abnormal
Open or short
Relay connector
Abnormal
Open or short
Red — Black
Black — White
White — Red
Red
W
V
U
W
V
U
White
Black
OCT04A-1.qxp 04.9.29 9:14 AM Page 28
