—23—
1) Air purging
The air which contains moisture remaining in
the refrigeration cycle may cause a malfunc-
tion on the compressor.
1. Remove the caps from the 2-way and 3-way
valves.
2. Remove the service-port cap from the 3-way
valve.
3. To open the valve, turn the valve stem of 2-way
valve counter-clockwise approx. 90° and hold it
there for five seconds, then close it.
4. Check a gas-leakage of the connecting portion
of the pipings.
CAUTION: Do not leak the gas in the air dur-
ing Air puging, with vacumm pump
as possible as you can.
7. Set the both liquid and gas side valves to open position with the Hexagonal wrench for the unit operation.
Cap
Service port cap
Cover
control
To indoor unit
Liquid side
Gas side
2-way valve
(open)
3-way valve
(Close)
Hexagonal
wrench
Cover control
Terminal block
(pillar terminal)
Gas side
Liquid side
Cap
Hexagonal wrench
Service port cap
2-way valve
(Open)
3-way valve
(Close)
5. Air Purging
No leakage found
leakage found
Result
leakage persists
leakage persists
leakage ceased
5. To open 2-way valve again, turn the valve stem
counter-clockwise until it stops.
6. To purge the air, push the pin on the service port
of 3-way valve for three seconds with a hexagonal
wrench and set it free for one minute.
• Re-tighten the connecting portion with torque
wrenches.
Repair
Содержание LS-H0560CL
Страница 52: ...Memo 52 ...
Страница 53: ...P No 3828A30033C July 2003 Printed in Korea ...