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December 2014
Page 11
C0530D through C1030D
Remote Condenser Models - User Manual
Coupling Instructions
The couplings on the ends of the pre-charged line
sets are self-sealing when installed properly.
Follow these instructions carefully.
These steps must be performed by an EPA Certied
Type II or higher technician.
Initial Connections
1. Remove the protector caps and plugs. Wipe the
seats and threaded surfaces with a clean cloth to
remove any possible foreign matter.
2. Lubricate the inside of the couplings, especially the
threads with refrigerant oil.
3. Position the ttings on the correct connections on
the condenser and ice machine.
• Liquid
• Discharge
Final Connections:
4a. Begin by tightening the couplings together by
hand until it is certain that the threads are properly
engaged.
4b. Then using two wrenches tighten the coupling
until it bottoms out or a denite increase in resistance
is felt.
It is important that ONLY the nut on the pre-charged
tube be turned, or the diaphragms will be torn out
by the piercing knives and they will be loose in the
refrigeration system.
Note: As the couplings are tightened, the diaphragms
in the quick connect couplings will begin to be
pierced. As that happens, there will be some
resistance to tightening the swivel nut.
4c. Continue tightening the swivel nut until it bottoms
out or a very denite increase in resistance is felt (no
threads should be showing).
5. Use a marker or pen to mark a line on the coupling
nut and unit panel. Then tighten the coupling nut an
additional one-quarter turn. The line will show the
amount that the nut turns. Do NOT over tighten.
6. After all connections have been made, and after the
receiver valve has been opened (do not open yet),
check the couplings for leaks.
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