Electrolux Built-in 42" Service Manual page 17

6. As soon as refrigerant in sight glass has gone
down to predetermined level, close charging
cylinder valve.
WARNING: DISCONNECT THE CHARGING
CYLINDER HEATER AT THIS TIME TO
PREVENT THE CYLINDER PRESSURE
FROM EXCEEDING ITS MAXIMUM LIMITS.
7. Allow system to sit for five minutes.
8. Turn on refrigerator compressor. Run compres
sor for a few minutes and monitor system
pressures.
9. When satisfied that the unit is operating cor
rectly, clamp the high-side process tube with the
pinch-off tool while the unit is still running.
10.Slowly open the high-side manifold gauge valve
to allow the compressor to remove any refriger
ant trapped in the high-side hose and the process
fitting.
EVAPORATOR
HOT
TUBE
CONDENSER
Figure E2
Final leak test
COMPOUND
TEE
FITTING
FILTER
DRIER
PROCESS TUBE
ADAPTERS
17
11.Close both of the manifold gauge valves. If the
high-side gauge reading rises, the pinch-off
must be corrected before proceeding.
12.Remove the high-side process tube adaptor
and solder the process tube closed.
13.Clamp the low-side process tube with the pinch-
off tool while the unit is running. Remove the
low-side process tube adaptor and solder the
process tube closed.
14.Check the process tubes for refrigerant leaks.
1. With the refrigerator turned OFF leak test all
low-side system components.
2. Turn the unit ON and run until the condenser is
warm. Leak test the high-side system compo-
nents.
PRESSURE
GAUGE
GAUGE
GAGE
MANIFOLD
COMPRESSOR
2 STAGE VACUUM
HAND SHUTOFF
VALVE
HEATED
CHARGING
CYLINDER
PUMP
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