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ENGLISH
Pump Down Procedure (Continued)
1
Prepare manifold gauge, scale and an empty refrigerant vessel.
2
As shown below, connect the middle hose of manifold gauge to the refrigerant vessel and then
connect the both ends of manifold gauge to the outdoor unit service valve individually.
( Valve of refrigerant vessel and Low pressure side valve must be closed and the high pressure side
valve must be open.)
3
Start refrigerant recovery operation by pressing K2 button three times.
(Refer to page 36.)
4
After operating for 10 minutes, open the valve of refrigerant vessel and fill it with refrigerant.
5
Close the valve of refrigerant vessel when sufficient refrigerant is filled.
6
Close the liquid service valve immediately. When the low pressure falls down lower than 0,
close the gas service valve.
7
Stop the operation by pressing reset button.
When refrigerant recovery is difficult due to the large amount of refrigerant
Manifold gauge
High pressure side
Low pressure side
An empty
refrigerant
vessel
scale
Gas side pipe
Liquid side pipe
Service port
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