Grandaire 4860 - Refrigerant Line Leak Check and Evacuation; Check For Leaks

10
STEP 5 - Replace the pressure tap
caps after the service valves have cooled.
STEP 2 - Check for leaks by using a soapy solution
or bubbles at each brazed location.
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.
150 PSI
G