88-A4AC5001-1A-EN
11
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
Section 9. Evacuation
9.1 Evacuate the Refrigerant Lines and Indoor Coil
Important:
Do not open the service valves until
the refrigerant lines and indoor coil leak check
and evacuation are complete.
STEP 1
- Evacuate until the micron gauge reads
no higher than 350 microns, then close off the
valve to the vacuum pump.
0350
Microns
ON
OFF
Summary of Contents for A4AC5018D1000A
Page 24: ...24 88 A4AC5001 1A EN 3 1 2 4 Ton Units PRINTED FROM D158514P01 2 1 2 Ton Units Accumulator...
Page 25: ...88 A4AC5001 1A EN 25 5 Ton Units PRINTED FROM D158515P01...
Page 26: ...26 88 A4AC5001 1A EN Section 17 Wiring Diagrams A4AC5018 060 Models...
Page 27: ...88 A4AC5001 1A EN 27 A4AC5018 060 Models...
Page 31: ...Notes...