—35—
3. Evacuation
(All amount of refrigerant leaked)
• Procedure
(1) Connect the vacuum pump to the charge set’s
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 (Low handle) on the charge
set, turn off the vacuum pump, and confirm
that the gaug e 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 dir ty or
depleted, replenish as needed.
Lo
Open
Open
Vacuum pump
2-Way
valve
Outdoor unit
Liquid side
Indoor unit
Gas side
3-Way
valve
CLOSE
(High handle)
OPEN
(Low handle)
Manifold
Gauge
Summary of Contents for LS-H0560CL
Page 52: ...Memo 52 ...
