Midea MCHS-09NIH1, Руководство по обслуживанию

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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 MΩ)
(+)Red (-)Black
∞
(Several MΩ)
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 RPG15A RPG20B RPG28H
RPG45B
Black -
Red
530Ω±8%
(20
℃/68℉
)
(Brand:
Welling)
75Ω±8%
(20
℃/68℉
)
(Brand:
Welling)
381Ω±8%
(20
℃/68℉
)
(Brand:
Welling)
183.6Ω±8%
(20
℃/68℉
)
(Brand:
Welling)
112Ω±8%
(20
℃/68℉
)
(Brand:
Welling)
118.5Ω±8%
(20
℃/68℉
)
(Brand: Broad
Ocean)
White -
Black
315Ω±8%
(20
℃/68℉
)
(Brand:
Welling)
150Ω±8%
(20
℃/68℉
)
(Brand:
Welling)
267Ω±8%
(20
℃/68℉
)
(Brand:
Welling)
206Ω±8%
(20
℃/68℉
)
(Brand:
Welling)
82Ω±8%
(20
℃/68℉
)
(Brand:
Welling)
78.5Ω±8%
(20
℃/68℉
)
(Brand: Broad
Ocean)