Transfer Refrigerant from Storage Tank to Machine
1. Equalize refrigerant pressure.
a. Use the Control Test Term i nate Lockout to turn on wat er pu mps and monitor press ur es .
b. Close pumpout/stor age tank valves 2, 4, 5, and 8, and c lo se machine charging v alv e 7;
open machine isolatio n valves 11, 12, 13, and 14 (i f pre sent).
c. Open pumpout/storag e tank valves 3 and 6, open mac hi ne valves 1a and 1b.
d. Gradually crack open val ve 5 to increase machine pr e ssure to 68 psig (469 kPa ) for
HCFC-22, 35 psig (141 kPa) for HF C-134a. Slowly fee d refrigerant t o prevent freeze up.
Valve 1a 1b 2 3 4 5 6 7 8 11 12 13 14
Condition CCCCC
Click here for Fig ure 36 — 19XL Pumpout Uni t Wiring Schematic
Click here f or Figure 37 — Optional Pumpout System