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10. Slowly open the high-side manifold gauge
valve to allow the compressor to remove any
refrigerant trapped in the high-side hose and
the process fitting.
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 adapter
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 adapter
and solder the process tube closed.
14. Check the process tubes for refrigerant leaks.
R R e e f f r r i i g g e e r r a a t t i i o o n n S S y y s s t t e e m m
F F i i n n a a l l L L e e a a k k T T e e s s t t
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
components.
Evacuating and Recharging Connections
4-11
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