ENGINEERING
TOMORROW
Page
2
of
4
Document number: 700493 REV L
© Copyright Danfoss | 2019.05
Figure 2
2)
Ensure that 9 pin connector is clean and free of grease and silicone gel.
3)
Connect cable to the 9-pin connector, tighten screws.
4)
Carry out bearing calibration if replacing one cable or after replacing both cables. Save calibration to
EEPROM.
5)
Replace the service side cover.
Installation of new cable:
1)
Connect cable to connector (J9) on backplane. Ensure that plug is inserted in correct polarity (refer to
locating keys on plug and slots in connector). Snap connector retainers into place by gently squeezing.
2)
Ensure that compressor 9-pin connector is clean and free of grease and silicone gel.
3)
Connect cable to the 9-pin connector, tighten screws.
4)
Install earth cable to J11 shield earth terminal on backplane
5)
Wipe 3M Silicon Paste Dielectric Grease liberally over 9D cable/compressor connector to seal from moisture
ingress (3M part number 08946; purchase locally).
6)
Carry out bearing calibration if replacing one cable or after replacing both cables. Save calibration to
EEPROM
7)
Replace the service side cover.
3 -
Rear Sensor cable Replacement Procedure:
Removal of old cable:
1)
Isolate the compressor power in accordance with established procedures.
2)
Connect wrist strap to wrist and connect to appropriate ground.
3)
Remove service side cover.
4)
Remove earth cable from J11 shield terminal.
5)
Disconnect the rear bear bearing sensor from 9-pin connector on compressor housing.
6)
Disconnect cable from J9 plug on the backplane. See Figure 1.
Figure 1
