Service manual

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Check on amount of refrigerant
charge
 Is a proper quantity of refrigerant charged?
The following method is available for additional charging of
refrigerant.
(1) Calculate additional refrigerant quantity.
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0RGHO5(<43<% NJ
0RGHO5(<43<% NJ 0RGHO
5(<4
3<%
0RGHO
5(<4
3<%
0RGHO5(<43<% NJ

0RGHO5(<43<% NJ

0RGHO5(<43<% NJ $≤% NJ
0RGHO5(<43<% NJ $≤% NJ NJ
0RGHO5(<43<% NJ
0RGHO5(<43<% NJ
0RGHO5(<43<% NJ
Check the stop valves for
conditions.
 Has the additional refrigerant charging amount been
recorded on the "Precautions for servicing" label?
 Check to be sure the stop valves are under the following
conditions.
Liquid-pipe
stop valve
Open Open Open
Suction pipe
stop valve
Open
Equalizing pipe
stop valve
Dual pressure gas
pipe stop valve