Remote Temperature Sensor Module #2 (Rtsm) (Air Inlet); Remote Temperature Sensor Module #3 (Rtsm) (Air Exhaust) - Christie Entero RPMWU-LED01 Service Manual

Section 4: Parts and Module Replacement

4.4.6 Remote Temperature Sensor Module #2 (RTSM) (Air Inlet)

Estimated Replacement Time: 10 minutes
RTSM #2 is located at the bottom-left corner of the PHM housing, secured to the FDWU/FDSP assembly. It is
responsible for providing the temperature reading of the main air intake of the PHM assembly.
NOTICE: Wear an ESD protective strap when replacing RTSM #2.
1. Remove the lens. See
2. Place the PHM module face down to access the back plate.
3. Loosen (4) 4 mm hex screws from the back plate of the PHM
housing and remove the back plate (Figure 4-2).
4. Unplug the harness from RTSM #2 and use side cutters to cut
the cable tie securing the harness to RTSM #2.
5. Remove (1) 2.5 mm hex screw securing RTSM #2 to the
FDWU/FDSP mounting bracket.
6. Remove RTSM #2 and place in an ESD protective bag.
7. Reverse these instructions to reinstall. Use a small cable tie to
re-secure the harness to RTSM #2.
NOTE: It may be necessary to secure the clamping nut onto the opposite side of the FDWU/FDSP
mounting bracket when re-securing RTSM #2.

4.4.7 Remote Temperature Sensor Module #3 (RTSM) (Air Exhaust)

Estimated Replacement Time: 10 minutes
RTSM #3 is located on the top-right corner
of the PHM housing. It is responsible for
providing temperature readings of the main
air intake of the PHM assembly.
NOTICE! Wear an ESD protective strap
when replacing RTSM #3.
1. Remove the PHM fan pack assembly.
See 4.4.5 PHM Fan Pack Assembly 12V
.5A 92mm.
2. Remove (1) 2.5 mm hex screw securing
RTSM #3 to the fan pack assembly.
3. Remove RTSM #3 and place in an ESD
protective bag.
NOTE: There may be an insulator between the RTSM and the fan pack. Leave this insulator in place when
removing the RTSM.
4-8
Remove Lens.
Entero RPMSP/RPMWU/RPMHD-LED01 Service Manual
020-100368-05 Rev. 1 (06-2012)