2-9
Section 2 Installation Instructions
CONNECTING A LINE SET
1. Remove the dust caps from the line set,
manifold and ice machine.
2. Apply refrigeration oil to the threads on the
quick disconnect couplers before connecting.
3. Carefully thread the female fitting by hand, to
insure proper mating of the threads.
4. Tighten the couplings with a wrench until they
bottom out.
5. Turn an additional 1/4 turn to ensure proper
brass-to-brass seating. Torque to the following
specifications:
Liquid Line Suction Line
10-12 ft lb. (13.5-16.2 N•m) 35-45 ft lb. (47.5-61.0 N•m)
6. Check all fittings for leaks.
LINE SET SERVICE VALVE
Lines set service valves leave the factory in the
open position.
Verify all line set service valves are open and
insulated.
Important
Check condensing unit manual instructions to
verify that the receiver, suction and liquid line
service valves are in the open (backseated)
osition.
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