4
5
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
Содержание CH-09DKT230VI
Страница 29: ...27 IPM board TO MAIN W connecttothecompressor V OVAC standby 10 200VAC running...
Страница 41: ...39 P W N U...
Страница 42: ...40 N V N W...