Interklima II09CCV1, Руководство пользователя, Страница: 39 / 56

Interklima Dx Cassette Units
II-IO CCV1 R410A / Rotary / Scroll
39
Procedure
1. First, replace a dryer with new one.
2. Connect the vacuum pump to the charge sets center hose.
3. Evacuate for approximately one hour.
- Confirm that the gauge needle has moved
toward – 76 cmHg (vacuum of 4 mmHg or less).
4. Close the valve (Low side) on the charge set,
Turn off the vacuum pump, and confirm that the gauge
needle does not move (approximately 5 minutes after turning
off the vacuum pump).
5. Disconnect the charge hose from the vacuum pump.
- Vacuum pump oil.
If the vacuum pump oil becomes dirty or depleted, replenish
as needed.
Caution
1. Use a vacuum pump equipped with check valve to prevent
backward flow.
2. For R410A, only liquid side is allowed to be charged.
3. Do not attempt to charge with larger amounts of liquid
refrigerant while operating the air conditioner.
2. Evacuation
(Total refrigerant leakage)
Lo
Vacuum pump
Close open
Gas size
Indoor unit
Liquid size
Open
Dryer
Outdoor unit
Open
2-Way
valve
3-Way
valve