Figure 6-2. Charging the refrigerant system.

Figure 6-2. Charging the refrigerant system.

opening and attach loosely to the service valves.

(12) Inspect service valve area before in.

Attach center manifold line to a refrigerant

stalling condenser fan (para 3-19).

drum shutoff valve (fig. 6-1). Open shutoff valve

e. Charging the Unit.

and purge lines. Tighten connections at both ser-

(1) Remove the condenser fan (para 3-19)

vice valves.

and the alternate receptacle cover located on the

Note. Set refrigerant drum in an upright posi-

right side immediately beneath the condenser

tion so that only gaseous element will enter system. To fa-

fan.

cilitate speed of charging, set refrigerant drum in warm

water. Never use a heating torch for this purpose.

(2) Remove caps from the service valves.

(4) Set temperature control above ambient

(3) Insert the discharge service valve and

temperature.

discharge service valve line from a suitable pres-

(5) Close discharge service valve,

sure manifold (fig, 6-1) through the receptacle

6-3