TM 5-4520-253-13
T E S T / A D J U S T / R E M O V E / l N S T A L L R O O M T H E R M O S T A T ( C O N T)
ADJUSTMENT:
Adjustment of the room thermostat is by the adjust-
ment knob only. Do not attempt any other adjust-
ment or repair.
Improperly operating thermostat
must be replaced.
REMOVAL:
1. Disconnect 3-wire,
2. Remove screw (1)
16-gauge,
at bottom
shielded thermostat cable from ROOM THERMO receptacle.
of thermostat cover and pull off cover (2).
3. Disconnect two wires (3 and 4) from terminals marked 1 and 3. Disconnect green wire (5) from
screw in case
4. Remove four
marked ground.
mounting screws (6) and lift off thermostat (7)
3-121
