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10.3.4. AIR PURGING OF THE PIPING AND INDOOR UNIT
The remaining air in the Refrigeration cycle which contains moisture may cause malfunction 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 valves.
3. To open the valve, turn the valve stem of 2-way valve counter-
clockwise approx. 90° and hold it there for ten seconds, then
close it.
4. Check gas-leakage of the connecting portion of the pipings.
For the left pipings, refer to item 4(A).
5. To open 2-way valve again, turn the valve stem counter-clockwise
until it stops.
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Summary of Contents for CS-C9BKNG
Page 7: ...4 Dimensions 7 ...
Page 8: ...5 Refrigeration Cycle Diagram 8 ...
Page 9: ...6 Block Diagram 9 ...
Page 10: ...7 Wiring Diagram 10 ...
Page 31: ...3 For the embedded piping 31 ...
Page 32: ... This can be used for left rear piping left bottom piping also 32 ...
Page 59: ...14 Technical Data 59 ...
Page 60: ...15 Exploded View 60 ...
Page 66: ...How to use electronic circuit diagram 66 ...
Page 69: ...20 3 PRINT PATTERN INDOOR UNIT PRINTED CIRCUIT BOARD BOTTOM VIEW 69 ...
Page 70: ... MACC Printed in Malaysia 70 ...