INSTALLATION
PAGE 6
ENGLISH
or other approved methods for leak testing. Failure to follow
recommended safe leak test procedures could result In death
Use only dry nitrogen with a pressure regulator for
to follow these recommendations could result in death or
5.1
Step - 5.1
Using a tank of nitrogen with attached regulator, charge the
system with 500 PSIG of dry nitrogen. Use adapter AD-87
If a leak is detected, repair and recheck. If no leaks are
detected, proceed to evacuate the system.
Step 5.1
Step 5.3
Step 5.2
Step 5.4A
Step 5.5A
Step 5.6
Step 5.4B
Step 5.5B
Illustration 5
Leak Test
System Evacuation
Step 5 - Leak Test and Evacuation
5.2
Step - 5.2
Attach a manifold gauge, micron gauge, and vacuum pump
(Illustration 5)
Evacuate the system to 350 microns.
Close the vacuum pump valve and check the micron
gauge. If the gauge rises above 500 microns in 60 seconds,
evacuation is incomplete or there is a leak in the system. If
the gauge does not rise above 500 microns in 60 seconds,
evacuation is complete.
5.3
Step - 5.3
line port, and replace the cap.
5.4
Step - 5.4A & 5.4B
wrench, open the valve, then replace and tighten the cap.
5.5
Step - 5.5A & 5.5B
wrench, open the valve, then replace and tighten the cap.
5.6
Step - 5.6
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