TM 9-4120-407-14
SECTION III OPERATION UNDER USUAL CONDITIONS
2-5. ASSEMBLY AND PREPARATION FOR USE.
a. Assembly. The Model F36T-MPI Air Conditioner is a completely assembled, self-contained unit as
recieved.
b. Preparation for Use. The services of Unit Maintenance personnel should be used for original unpacking
and installation.
2-6. INITIAL ADJUSTMENTS AND CHECKS.
a . Initial Adjustments. The following steps cover adjustments and preparation for startup.
(1) Turn the MODE selector rotary switch to OFF/RESET position.
(2) Adjust the TEMPERATURE potentiometer midway between WARM and COOL.
CAUTION
The motor controller creates a momentary short circuit when power is
applied to it, Damage to the connector and power cable pins can
result if it is not isolated when the power cable is connected.
(3) Place the circuit breaker handle in the OFF (down) position to isolate the motor controller.
(4) Connect the power cable to the air conditioner input power connector.
(5) Check to see that the power cable is connected to a source of 208 volt, three phase, five wire,
50/60 or 400 hertz power.
(6) Check to see that the ground wire is connected to an adequate earth ground.
Liquid refrigerant can accumulate in the compressor when power is
disconnected. Be sure power has been connected to the air conditioner
for a period of at least 30 minutes prior to starting in cool mode to
prevent equipment damage.
(7) Place the circuit breaker handle in the ON (up) position.
b. Checks. Perform any preventive maintenance checks and services listed in Table 2-1, under the
"Before" column.
2-17