TM 9-4120-402-14
2-7. GENERAL OPERATING PROCEDURES.
a. Check that MODE selector rotary switch is at OFF/RESET.
CAUTION
Use disconnect switch (NOT POWER CABLE) to connect power to unit.
Damage to cable
connector pins will result if cable is used.
b. Check to see that power cable has been connected to a source of 208 volt, 3 phase, 4 wire, 50/60 or 400 hertz
power, and to the input power connector on the unit.
c. Unsnap and roll up the fabric cover on the back of the cabinet. Secure it in the stowed position with the two
straps and turn button fasteners.
Figure 2-3. Fabric Cover
d. Check that all air inlet and outlet openings are clear and fully opened. Adjust fresh air inlet damper as desired.
e. Check that drains are either open or piped to a satisfactory location with a proper drain system.
2-11
