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 (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 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
OPEN
-50-
Содержание -
Страница 60: ... 60 Electronic Control Device 1 MAIN P W B ASSEMBLY 2 MAIN P W B ASSEMBLY ...
Страница 61: ... 61 3 DISPLAY ASSEMBLY ...
Страница 62: ...Schematic Diagram 62 Heat Pump Series ...
Страница 80: ...P No 3828A30033B January 2002 Printed in Korea ...