18-BC109D1-1A-EN
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STEP 5
- Replace the pressure tap valve cores
after the service valves have cooled.
STEP 2
- Check for leaks by using a soapy solu-
tion or bubbles at each brazed location.
Remove nitrogren pressure and repair any leaks
before continuing.
Section 8. Refrigerant Line Leak Check
8.1 Check For Leaks
STEP 1
- Pressurize the refrigerant lines and
evaporator coil to 150 PSIG using dry nitrogen.
150 PSIG
