Carrier DHMSHAQ09XA1 - Page 37

37
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.
Table 16—Digital Tester
DIGITAL TESTER
NORMAL RESISTANCE
VALUE
DIGITAL TESTER
NORMAL RESISTANCE
VALUE
(+)Red (-)Black
∞
(Several MΩ)
(+)Red (-)Black
∞
(Several MΩ)
P
N
U
N
U
V
V
W
W
(+)Red
Indoor AC Fan Motor
Measure the resistance value of each winding by using the tester.
Table 17—Resistance Value
POSITION RESISTANCE VALUE
RPG13B RPG50B (YKFG-50-4-1)
Black - Red
100.5Ω±8%
(20°C /68°F)
(Brand: Weiling)
100Ω±8%
(20°C /68°F)
(Brand: Dayang)
82.2Ω±8%
(20°C /68°F)
(Brand: Weiling)
85Ω±8%
(20°C /68°F)
(Brand: Dayang)
White - Black
64.5Ω±8%
(20°C /68°F)
(Brand: Weiling)
68.5Ω±8%
(20°C /68°F)
(Brand: Dayang)
72.3Ω±8%
(20°C /68°F)
(Brand: Weiling)
57.8Ω±8%
(20°C /68°F)
(Brand: Dayang)