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Manual 2100-532B
Page 41 of 46
SERVICE
UNBRAZING SYSTEM COMPONENTS
If the refrigerant charge is removed from a scroll
equipped unit by bleeding the high side only, it is
sometimes possible for the scrolls to seal, preventing
pressure equalization through the compressor. This may
leave low side shell and suction line tubing pressurized.
If the brazing torch is then applied to the low side while
the low side shell and suction line contains pressure, the
pressurized refrigerant and oil mixture could ignite
when it escapes and contacts the brazing flame. To
prevent this occurrence, it is important to check both the
high and low side with manifold gauges before
unbrazing.
WARNING
Both the high and low side of the scroll
compressor must be checked with manifold
gauges before unbrazing system
components. Failure to do so could cause
pressurized refrigerant and oil mixture to
ignite if it escapes and contacts the brazing
flame causing property damage, bodily harm
or death.