STEP 5 - Replace the pressure tap
caps after the service valves have cooled.
Section 8. Refrigerant Line Leak Check
8.1 Check For Leaks
STEP 1 Pressurize the refrigerant lines and evapo
rator coil to 150 PSIG using dry nitrogen.
STEP 2 Check for leaks by using a soapy solution
or bubbles at each brazed location.
150 PSI G
10