TM 9-4120-371-14
(3) Check that circular swing type cover on actuator hood is closed.
(4) Check that damper door reset lever is in open position.
All alterations to the shelter or facility into which the air conditioner is to be installed should be complete before
installation of air conditioner.
DO NOT LIFT without holding unit in upright position. Otherwise, unit will fall over.
a. Attach an overhead hoist through a sling and spreader bar to the lifting handles on each side of the
cabinet.
b. Move air conditioner into position and aline mounting holes
c. Secure unit with appropriate mounting hardware.
Base -.4375-14 UNC (4 holes)
Rear .3125-24 UNF (3 holes)
d. Seal all openings around cutouts for air conditioner, air and water tight. Use gasket, caulking, or other
suitable material.
e. The air conditioner is provided with four drain holes in base. (See figure 4-2.) Remove plugs from all
drains possible for most complete drainage of condensate water. If water from these drains will be
objectionable or create a hazard, external overboard drains can be connected. Use strandard 1/214 NPT male
pipe fittings to connect base drains. Any type of hose or tubing may be used as a drain line. The drain line
should lead to an appropriate facility drain, storm sewer, dry sump, or an acceptable outside area. Be sure the
entire length of the drain line is at the same height, or lower than the base to ensure gravity drainage.
f. Install a 10 AWG minimum ground wire between air conditioner cabinet and an adequate earth ground
using any unused threaded fastener on rear paneI (effective for Keco Model F18T2S Serial no. 81489 through
81533) or frame ground (FR-GND) (effective for Keco Model F18T2S Serial No's. 82760 and higher, Keco
Model F18T-2SA, and A.R.E. Model CVP-20-5/6-08).
g. Fabricate a power cable. (See para 4-13.)
The following test must be conducted with the power on. Exercise extreme caution.
Do not connect P1 connector to air conditioner before making following checks.
(1) Apply power to power cable.
