2-15
IInnssttaallllaattiioonn
aanndd
OOppeerraattiioonn
3. Plug power cord into properly grounded supply line. See
ID plate for proper supply voltage.
4. Turn compressor switch on.
5. Turn vacuum/recycle valve to RECYCLE.
6. Monitor manifold gauges.
Hose evacuation is complete when 15”Hg of vacuum is
reached.
7. Turn vacuum/recycle valve to OFF.
8. Turn compressor switch to OFF.
Hose evacuation is complete.
Adding Refrigerant to
DDuuaall
33441122
Follow this procedure to add virgin refrigerant to
DDuuaall
33441122
.
33
33
Recovery tank should have at least six pounds of
refrigerant or charge procedure may not be completed.
1. Refer to Preparing and Installing Recovery Tank in
this chapter.
2. Open red (vapor) valve on recovery tank.
3. Connect blue service hose from manifold gauge
assembly to tank of virgin refrigerant.
33
33
For R134a, install supplied tank adapter between tank
valve and blue hose. Virgin tank should be upright
(valve up).
4. Open the:
— Virgin tank valve,
— Yellow service hose hand valve,
— Blue service hose hand valve, and
— Blue manifold hand valve, and
5. Turn compressor switch ON.
COMPRESSOR ON indicator illuminates and compressor
activates.
6. Turn vacuum/recycle valve to RECYCLE.
Refrigerant flows from virgin tank through
DDuuaall
33441122
and
into prepared recovery tank.
33
33
Monitor weight on LCD display until desired amount of
virgin refrigerant has been transferred. Refer to Tank
Full/Empty in this Chapter.
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