Winding Resistance Of Outdoor Unit Main Parts - Toshiba MMY-MUP0721FT6P-UL Service Manual

2-1-1. Winding resistance of outdoor unit main parts

No. Part name
1-1
Compressor
(Model : LA771A3TB-20M)
2-1
Compressor
(Model : LA1201K4FB-10UC)
Fan motor
3-1
(Model : ICF-620A1000-1)
Compressor
1-2
(Model : NA772A3TB-21M)
2-2 Compressor
(Model : NA1201K4FB-10UC)
3-2 Fan motor
(Model : ICF-340A1000-1)
4 PMV (Pulse Motor Valve) coil
(Model : PQ-M10012*)
(Model : UKV-A376)
Checking procedure
Measure and compare each winding resistance by digital tester.
Measure and compare each winding resistance by digital tester.
Measure and compare each winding resistance by digital tester.
Measure and compare each winding resistance by digital tester.
Measure and compare each winding resistance by digital tester.
Measure and compare each winding resistance by digital tester.
Measure each winding resistance by digital tester.
Black - Gray (COM)
Yellow - Gray (COM)
Red - Gray (COM)
Orange - Gray (COM)
- 33 -
Position Resistance value
Red – White
0.242Ω ± 0.012
White – Black
Black – Red
(all same resistance is ok.) 68°F(20°C)
Position Resistance value
Red – White
0.204Ω ± 0.01
White – Black
Black – Red
(all same resistance is ok.) 68°F(20°C)
Position Resistance value
Red – White
10.38Ω ± 1.04
White – Black
Black – Red
(all same resistance is ok.) 68°F(20°C)
Position Resistance value
Red – Red
0.121 ± 0.03Ω
White – White
Black – Black
(all same resistance is ok.) 68°F(20°C)
Position Resistance value
Red – Red
White – White 0.102 ± 0.03Ω
Black – Black
(all same resistance is ok.) 68°F(20°C)
Position Resistance value
Red – White
3.33 ± 0.34Ω
White – Black
Black – Red
(all same resistance is ok.) 68°F(20°C)
Position Resistance value
46Ω ± 4
68°F(20°C)