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Transfer Refrigerant from Storage Tank to Machine
1.
Equalize refrigerant pressure.
a.
Use the Control Test Terminate Lockout to turn on water pumps and monitor pressures.
b.
Close pumpout/storage tank valves 2, 4, 5, and 8, and close machine charging valve 7;
open machine isolation valves 11, 12, 13, and 14 (if present).
c.
Open pumpout/storage tank valves 3 and 6, open machine valves 1a and 1b.
d.
Gradually crack open valve 5 to increase machine pressure to 68 psig (469 kPa) for
HCFC-22, 35 psig (141 kPa) for HFC-134a. Slowly feed refrigerant to prevent freeze up.
Valve
1a 1b 2 3 4 5 6 7 8 11 12 13 14
Condition
CCCCC
Click here for Figure 36 — 19XL Pumpout Unit Wiring Schematic
Click here for Figure 37 — Optional Pumpout System