Table 5-3. NORMAL OPERATING PRESSURES

TM5-4120-383-14

5-19.

REFRIGERANT PRESSURE CHECK.-Continued

Table 5-3.

NORMAL OPERATING PRESSURES

Temperatures

Pressure Range (psig)

Outdoor Ambient 55F(12.8C) 75F(24C)

100F(38C) 125F(51.7C)

90F(32C)

70-80

60-70

80-95

62-72

Return Air to

Suction

Unit (Dry Bulb) 205-220

400-425

305-325

225-245

Discharge

80F(27C)

60-70

65-75

60-70

70-80

Return Air to

Suction

Unit (Dry Bulb) 185-205

290-310

215-235

385-415

Discharge

EVAPORATOR COIL.

The evaporator coil is located in the upper right front section of

(See fig. 5-9.) For cleaning instructions

the air conditioner.

and inspection of installed items see paragraph 4-37.

Removal.

Disconnect input power from the air conditioner

before performing maintenance on any part of the

electrical system. The voltages used can be lethal.

(1) Disconnect power at power source.

(2) Remove eight screws and top front cover.

(3) Remove six screws, lock washers, and supply air louver.

(4) Remove mist eliminator by lifting out of unit.