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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.