TM 9-4520-260-13
4-25. ROOM THERMOSTAT- CONTINUED
Figure 4-22. Replacing Room Thermostat.
TESTING
Using a multimeter, check electrical continuity at room temperature or below. Check that continuity is present when
thermostat is set above room temperature.
INSTALLATION
1. Secure the thermostat (5) to wall with four screws (4). Connect the three-wire cable (3) to thermostat (5), and
remove tags.
2. Install cover (2) and tighten screw (1).
TESTING
1. Set thermostat above ambient room temperature so heater will come on.
2. Start the heater (para 2-10) and check for correct heater operation. Place room thermostat below room temperature
and verify that heater and fan shut off. The blower motor will continue to run until heater cools down.
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