Cooper & Hunter CH-09DKT230VI, Service Manual

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5
4
3. IPM continuity check
Turn off the power, let the large capacity electrolytic capacitors discharge completely, and dismount the
IPM. Use a digital tester to measure the resistance between P and UVWN; UVW and N.
Digital tester Normal resistance value Digital tester Normal resistance value
(+)Red (-)Black
∞
(Several M
Ω
)
(+)Red (-)Black
∞
(Several M
Ω
)
P
N U
N
U V
V W
W (+)Red
4: Indoor AC Fan Motor
Measure the resistance value of each winding by using the tester.
Position
Resistance Value
RPG13B RPG50B(YKFG-50-4-1)
Black - Red 100.5
Ω±
8%
(
68 °
F
/
20
°
C)
(Brand: Weiling)
100
Ω±
8%
(
68 °
F
/
20
°
C)
(Brand: Dayang)
82.2
Ω±
8%
(
68 °
F
/
20
°
C)
(Brand: Weiling)
85
Ω±
8%
(
68 °
F
/
20
°
C)
(Brand: Dayang)
White - Black 64.5
Ω±
8%
(20
°
C /68
°
F)
(Brand: Weiling)
68.5
Ω±
8%
(20
°
C /68
°
F)
(Brand: Dayang)
72.3
Ω±
8%
(20
°
C /68
°
F)
(Brand: Weiling)
57.8
Ω±
8%
(20
°
C /68
°
F)
(Brand: Dayang)