Christie DWU851 Service Manual page 81

DWU851(DD1-WU70P/71P) / DHD851(DD1-HD70P/71P) / DWX851(DD1-WX70P/71P)
SENSOR-A/B PCB
Disassembling
1) Disconnect CNOSS and CNISS from
SENSOR-A PCB and SENSOR-B PCB.
2) Turn the cover over, and remove the sensor
cover.
3) Remove SENSOR-A PCB and SENSOR-B
PCB from the cover.
Assembling
1) Put SENSOR-A PCB and SENSOR-B PCB on
ballast cover
the .
2) Attach the sensor cover.
3) Turn the holder over, and connect CNOSS
and CNISS to SENSOR-A PCB and SENSOR-
B PCB.
NOTE:
Make sure that the claws of the sensor cover are not coming off from the Ballast cover.
Make sure that the two claws are hooked properly by putting
in fingers and pressing the upper part of the sensor cover.
Do not work without earthing when confirming the claws
by putting in fingers into the hole of the duct.
DWU851/DHD851/DWX851
Service Manual
020-000755-01 Rev. 1 (11-2014)
Magnified
ATTENTION
Claws of the
sensor cover
Ballast cover
SENSOR-B PCB
SENSOR-A PCB
Ballast cover
SENSOR-A
PCB
SENSOR-B
PCB
Two claws of the sensor
80
Sensor
cover
cover