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(2) Evacuation
(All amount of refrigerant leaked)
• Procedure
1. Confirm that both the liguid side valve and gas
side valve are set to the opened position.
2. Connect the vaccum pump to the center hose of
the manifold gauge.
3. Connect the service port of the gas side valve to
the low side of the gauge.
4. Evacuation for approximately one hour.
- Confirm that the gauge needle has moved
toward-76 cmHg (vacuum of 4 mmHg or less).
5. Close the Low handle of the gauge turn off the
vacuum pump, and confirm that the gauge nee-
dle does not move(approximately 5 minutes
after turning off the vacuum pump).
6. Disconnect the charge hose from the vacuum
pump.
- Vacuum pump oil.
If the vacuum pump oil becomes dirty or deplet-
ed,replenish as needed.
7. Mount the valve caps and the service port caps.
manifold gauge
Hi- handle
(OPEN)
Low-
handle
(OPEN)
Indoor unit
Outdoor unit
Liquid side
Gas side
Vacuum pump
Open
3-way
valve
Open
3-way
valve
Summary of Contents for A2UN186FA0
Page 104: ... 104 Electronic Control Device 1 Room Type Indoor Unit MAIN P C B DC ASM MAIN P C B AC ASM ...
Page 105: ... 105 2 Cassette Type Indoor Unit MAIN P C B DC ASM ...
Page 106: ... 106 3 Art Cool Type Indoor Unit TOP VIEW BOTTOM VIEW ...
Page 107: ... 107 4 Convertible Type Indoor Unit ...
Page 109: ... 109 6 SUB P W B ASSEMBLY Art Cool Type Indoor Unit TOP VIEW BOTTOM VIEW ...
Page 110: ... 110 7 Outdoor Unit MAIN P C B ASM V P U N W ...
Page 111: ... 111 Schematic Diagram 1 Room Type Indoor Unit ...
Page 113: ... 113 3 Art Cool Type Indoor Unit ...
Page 114: ... 114 4 Convertible Type Indoor Unit RY 4WAY RY OUTFAN ...
Page 132: ...P No 3828A20097N August 2003 Printed in Korea ...