c. When room or enclosure temperature reaches the desired level, slowly turn the temperature control thermostat
knob toward INCREASE (warmer). Cooling will stop when you reach the approximate room temperature. Further
adjustment can be made by turning the temperature control thermostat slightly toward DECREASE (cooler) or INCREASE
(warmer) until desired temperature is controlled automatically.
a. Air Conditioner. Turn the mode selector switch to OFF.
DO NOT disconnect or turn off power to the air conditioner during periods of
normal shutdown. If power is disconnected, the heater and thermostat inside the
compressor will not allow the unit to be operated in the COOL mode until 30
minutes after power has been reconnected. Power should be disconnected only if
unit is to be serviced, during emergency conditions, or during periods of extended
b. Generator Set.
(1) Place AC circuit breaker in the OFF position.
(2) To stop the generator set, place the master switch in the OFF position.
(3) After operation of the generator set, perform the inspection and service requirements as outlined in
preventive maintenance checks and services (PMCS)
(4) Emergency Stop. To stop generator set In an emergency, pull out DC control circuit breaker.
Figure 2-4. DC Control Circuit Breaker.