Inspecting and Servicing Equipment - TM-5-4120-285-150048

2-3. Installation and Setting Up Instructions

2-1. Inspecting and Servicing Equipment

a. General. Install the air conditioner in as

a. Inspection,

near as level position as possible. An alternate

(1) Inspect casing for signs of rough han-

drain connection may be used if desirable.

dling and damage.

(2) Inspect sight glass and control panel for

b. Positioning the Air Conditioner. Position the

damage.

unit so that the f rent is unobstructed, the sight

(3) Remove grilles and inspect evaporator

glass at the rear may be observed, and the reset

and condenser coils for damage.

button may be pushed by hand.

(4) Inspect tubing and fittings for damage

Note. If the unit is tO be equipped with ducts, install

the grills from the unit on the ends of the ducts.

and looseness.

c. Chemical-Biological (C/B) cover. The C/B

b. Servicing. The units have been fully charged

cover is provided to allow for installation of a

at the factory and will require no service other

C/B filter when desired.

than normal preventive maintenance services.

d. installation. Bolt unit to the floor or other

2-2. Installation of Separately Packed

suitable base when leveled. Connect drain hose to

Components

nipple at rear, or alternate drain, to remove ex.

cess condensate. Make certain the excess drain

a. General. The air conditioners are basically

connections are plugged.

self contained units. Under certain conditions it

e. Power Source. The unit is equipped with an

might be desirable to operate from a remote posi-

MS 3100R2222P receptacle located in the rear.

tion, using the block-off panel and a suitable

Using

cable

provided

with

cable to allow the operator to control the unit re-

3106R2222S plug, connect the unit to the appli-

motely. When no external duct work is utilized, a

cable power source. The unit is provided with al-

sound attenuator (13211E3798) may be used to

ternate locations for the power receptacle. If it

reduce noise. A paulin may be used to prevent

becomes desirable to utilize one of these connec-

dirt from entering the condenser (P/N

tions, remove and relocate the receptacle. Install

(COV312)).

the cover plate from the alternate location on the

b. Remote Control Operation.

rear location.

(1) Disconnect power source and remove

front access panel (para 315).

Caution: To insure proper electrical power

( 2 ) Refer to figure 2-1 and install the

supply connection, momentarily move the selec-

block-off panel.

tor switch to the VENTILATE position. The air

(3) Connect the control receptacle to the

flow should be sucked in through the intake

block-off panel.

grill (fig. 1-1) and expelled through the outlet

(4) Connect a suitable extension cable to the

grill. Interchange any two power leads (fig. 1-3/

block-off panel and connect the opposite terminal

1-4) if air flow (fan rotation) is not correct.

to the control panel.

Section II. MOVEMENT TO A NEW WORK SITE

2-4 Dismantling for Movement

to cover the unit during transit. Crate the unit

for long distance movement.

The air conditioner need not be dismantled for

movement, just disconnect the power source and

2-5. Reinstallation After Movement

drain hose, If ducts have been used, remove the

Refer to paragraph 2-3 and install the air con-

ducts and reinstall the grills. It will be desirable

ditioner.

Section III. CONTROLS AND INSTRUMENTS

2-7. Controls and Instruments

2-6. General

The location and purpose of the controls and

This section describes the various controls and

instruments are illustrated in figure 2-2.

instruments and provides the operator/crew with

sufficient information to insure proper operation

of the air conditioner,

2-2