Check
SiUS092230EA
202
Part 6 Service Diagnosis
8.13 Power Module Check
Check No.22
Check to make sure that the voltage between (+) and (–) of the power module is about 0 V before
checking.
Disconnect the compressor harness connector from the outdoor unit PCB. To disengage the
connector, press the protrusion on the connector.
Follow the procedure below to measure resistance between the terminals of the power module
and the terminals of the compressor with a multimeter. Evaluate the measurement results
referring to the following table.
09/12 class
Positive terminal (+) of
digital multimeter
Power module
(+)
UVW
Power module
(–)
UVW
Negative terminal (–) of
digital multimeter
UVW
Power module
(+)
UVW
Power module
(–)
Resistance is OK.
several k
~ several M
Resistance is NG.
0
or
Pin 24: +
Pin 23: U
Pin 22: V
Pin 21: W
Pin 20: –
(R20703)
Содержание RX-W Series
Страница 1: ... Applied Models Inverter Pair Heat Pump Service Manual SiUS092230EA Inverter Pair RX W Series ...
Страница 15: ...SiUS092230EA Part 1 General Information 9 1 Applicable Models 10 2 Functions 11 Part 1 General Information ...
Страница 107: ...SiUS092230EA BRC082A41W BRC082A42W S Part 5 Remote Controller 101 4 BRC082A41W BRC082A42W S R23936 R23937 ...
Страница 151: ...SiUS092230EA Troubleshooting for FDMQ FFQ Series Part 6 Service Diagnosis 145 Reference Check No 02 Refer to P 191 ...
Страница 207: ...SiUS092230EA Check Part 6 Service Diagnosis 201 15 18 24 class R25105 1 2 3 4 Multimeter ...
Страница 209: ...SiUS092230EA Check Part 6 Service Diagnosis 203 15 18 24 class R20704 W V U DC_P1 DC_N1 ...
Страница 238: ...Piping Diagrams SiUS092230EA 232 Part 8 Appendix 1 2 Outdoor Unit RX09 12WMVJU9 RX15 18WMVJU9 3D135014 3D141501 ...
Страница 239: ...SiUS092230EA Piping Diagrams Part 8 Appendix 233 RX24WMVJU9 3D141502 ...
Страница 246: ...Operation Limit SiUS092230EA 240 Part 8 Appendix 3 Operation Limit RX09 12 15 18 24WMVJU9 3D092209F ...