51
Troubleshooting
Evacuation
(All amount of refrigerant leaked)
• Procedure
(1) Connect the vacuum pump to the center hose
of charge set center hose
(2) Evacuation for approximately one hour.
– Confirm that the gauge needle has moved
toward -76 cmHg (vacuum of 4 mmHg or less).
(3) Close the valve (Lo side) on the charge set,
turn off the vacuum pump, and confirm that
the gauge needle does not move (approxima-
tely 5 minutes after turning off the vacuum
pump).
(4) Disconnect the charge hose from the vacuum
pump.
– Vacuum pump oil.
If the vacuum pump oil becomes dirty or
depleted, replenish as needed.
Lo
Open
Open
Vacuum pump
3-Way
valve
Outdoor unit
Liquid side
Indoor unit
Gas side
3-Way
valve
CLOSE
OPEN
Summary of Contents for CEVI-09
Page 1: ......
Page 15: ...13 5 3 Printed Circuit Board TOP VIEW BOTTOM VIEW Schematic Diagram ...
Page 17: ...15 TOP VIEW BOTTOM VIEW Schematic Diagram ...
Page 18: ...16 FRONT VIEW BOTTOM VIEW Schematic Diagram ...
Page 19: ...17 TOP VIEW BOTTOM VIEW Schematic Diagram ...
Page 37: ...35 Outdoor Unit 1 Cooling Only Models Exploded Views and Parts list ...
Page 38: ...36 2 Cooling Heating Models Exploded Views and Parts list ...
Page 68: ...66 13 Remove Motor Sub Assy 14 Remove Fan Motor Remove Motor Sub Assy 1 Removal Procedure ...
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