Step 1
Calculate additional refrigerant charge amount: R (kg)
Refrigerant overcharge happened, recover
refrigerant to reach R=Q
Step 2+3
• Close valves C, D and A
• Open valve B to the liquid line
• Execute pre-charging amount: Q (kg)
• Disconnect the manifold from the gas line and the high pressure/low
pressure gas line
Step 4a
• Close valve B
• Charging is finished
• Fill in the amount on the additional
refrigerant charge label
• Input the additional refrigerant amount via
setting [2-14]
• Go to test run
Step 4b
Close valve B
R=Q R>QR<Q
Continued on next page >>
p
<
p
>
R410AN2
C D
A B
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