Carrier 17/19EX User Manual
Page 189
Transferring Refrigerant from Normal Operation into the Utility Vessel
These steps describe the method of moving refrigerant from the cooler/condenser/
compressor sections into the utility vessel. This is normally performed for service work on the
cooler, condenser, or the compressor components or for long-term machine shutdown.
1. Isolate and push refrigerant into the utility vessel with the pumpout compressor.
a. Valve positions: (Blank spaces indicate open valves).
b. Turn off the machine water pumps and pumpout condenser water.
c. Turn on pumpout compressor to push liquid out of the cooler/condenser/compressor
section.
Valve
1
2
3
4
5
6
7
8
9
10
11
Condition
C
C
C
C
C
C
Click here for Figure 33 — Pumpout Unit Wiring Schematic (19EX Shown)