EMI CAC User Manual
Page 16
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CAC Cassette Evaporator
16
REFRIGERANT PROCESSING
Finish all pipe connecting before
proceeding to charging the system.
Follow the instructions in the outdoor
unit for line evacuation, opening service
valves, and fi nal charge adjustments. Op-
eration charts and charge tables can be
found in the EMI Condenser IOMs.
WARNING!
It is illegal to discharge
refrigerant into the atmosphere.
Use proper reclaiming methods
and equipment when installing
or servicing this unit.
1. Clean the ends of tubing and insert into
fi ttings.
2. Protect the valves by wrapping with a
wet rag "heat sink" before brazing.
3. We recommend the use of a shield (can
be made from some scrap metal) to
protect the paint.
4. Braze tubing into fi ttings.
5. Attach manifold set.
Refer to Charts in condenser manual to
“fi ne tune” the refrigerant charge.
Heat sink
Shield
S1C
Shown
Manifold
Vaccum Pump
Micron Gage
S1C
Shown
6. Evacuate line to 500 microns or less to
ensure all moisture has been removed
and there are no leaks.
7. Once certain of a good evacuation and
leak free joints, back-seat the valves
(counter-clockwise) to open and allow fac-
tory charge to fi ll lines and indoor unit.