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IMPORTANT: Allow no more than 30 minutes between removing drier caps and beginning
evacuation is step 20.
18. Re-install Schrader valve cores.
19. Pressurize refrigeration system and check (listen) for leaks at the 5 new solder joints.
20. Install vacuum pump and begin evacuation. Perform the following functions while the system is evacuating.
A. Remove all wet rags and debris from inside unit.
B. Re-install solenoid coils on pulse valves and hot gas valves.
C. Re-attached harness plugs to both hot gas valves and pulse valves.
NOTE: Check to be sure the harnesses are connected to the correct components.
D. Re-attached run, start, and common wires to compressor terminal block. Re-install compressor
terminal block cover using strap.
E. Re-install thermistors on both pulse valves.
F.
Seal-up both thermistors and insulate them.
G. Install insulation wrap around the pulse valve and hot gas valve outlets.
21. Evaluate micron gauge to verify leak free system.
22. Charge unit to nameplate charge.
23. Remove gauges and rotate control box back into position, re-install 2 screws.
24. Repeat steps 1 and 2 in reverse order to complete the installation.
© 2007-2013, IMI Cornelius Inc.
Pinnacle Hot Gas Valve Replacement Installation Instructions
Figure 15.
- 9 -
Publication Number: 629091023INS
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