Sinclair ASGE-09AIN WK Service Manual page 102

2). Filtering Board
1
2
3
No. Printing
1 N-OUT1
3 L-OUT
5 E2
7 AC-N
2.4 IPM, PFC Testing Method
2.4.1 Method of Testing IPM Module
(1). Preparation before test: prepare a universal meter and turn to its diode option, and then remove the
wires U, V, W of the compressor after it is powered off for one minute.
(2). Testing Steps
Step 1: put the black probe on the place P and the red one on the wiring terminal U, V, W respectively as
Step 2: put the red probe on the place N and the black one on the wiring terminal U, V, W respectively as
(3). If the measured voltages between UP, VP, WP, NU, NV, NV are all among 0.3V-0.7V, then it indicates
the IPM module is normal; If any measured valve is 0, it indicates the IPM is damaged.
Interface
Neutral wire output 1
(white) (only for 18K)
Live wire output (red)
(Reserved)
Neutral wire input (white)
No. Printing
2 N-OUT
4 E1
6 AC-L
7
6
5
4
Interface
Neutral wire output (white)
Grounding wire
Live wire input (red)
94