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3. Evacuation
(All amount of refrigerant leaked)
• Procedure
(1) Connect the vacuum pump to the charge set's cen-
ter hose
(2) Evacuation for approximately one hour.
- Confirm that the gauge needle has moved
toward -76cmHg (vacuum of 4 mmHg or less).
(3) Close the valve (Low handle) on the charge set,
turn off the vacuum pump, and confirm that the
gauge needle does not move (approximately 5 min-
utes 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.
Indoor unit
Liquid side
Outdoor unit
Open
2-Way
valve
3-Way
valve
Open
Gas side
OPEN
(Low handle)
Vacuum pump
CLOSE
(High handle)
Manifold
Gauge
Содержание LS-B0760CM/B0760HM
Страница 59: ... 59 Schematic Diagram 7K 9K 11K 12K 14K BTU Cooling Only Series ...
Страница 60: ... 60 7K 9K 12K BTU Cooling Heating Series ...
Страница 71: ...P NO 3828AR7036F Printed in Korea ...