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Lennox MMDA018S4-1P User Manual

Lennox MMDA018S4-1P
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Lennox Mini-Split Service Manual / Page 245
IPM Check
Measure the resistance value of each winding by using the tester.
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
NU
N
UV
VW
W (+)Red

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Lennox MMDA018S4-1P Specifications

General IconGeneral
BrandLennox
ModelMMDA018S4-1P
CategoryAir Conditioner
LanguageEnglish

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