HP 403349-003 - Manual (Page 107)

Removal and replacement procedures 107
Water temperature sensor
The water temperature sensor is a component of the water group located at the bottom interior of the
MCS unit.
The following tools are required for installation:
• T-25 Torx driver
• Phillips screwdriver
• (2) 18-mm wrench
• Wire cutters
Removing the water temperature sensor
1. Power down the MCS unit. (" Powering down the MCS unit " on page 24 )
2. Shut off the water flowing into the MCS unit. (" Shutting off the water " on page 25 )
3. Remove the bottom fan unit. (" Removing the bottom fan unit " on page 44 )
4. Relocate the power inlet box. (" Relocating the power inlet box " on page 93 )
5. Remove the air sealing plate. (" Removing the air sealing plate " on page 35 )
6. Remove the air deflector plate. (" Removing the air deflector plate " on page 33 )
7. Remove the condensation pump and sensors. (" Removing the condensation pump and sensors " on
page 47 )
8. Remove the AC transfer switch. (" Removing the AC transfer switch " on page 26 )
NOTE: HP recommends removing the In and Out water hoses and all cables to the bottom
heat exchanger unit in order to gain greater access.