To Charge Refrigerant: Flow Chart - Daikin RXYLQ12T7Y1B Series Installer And User Manual

6 Installation
6.7.4

To charge refrigerant: Flow chart

For more information, see "6.7.5 To charge refrigerant" on
Pre-charging refrigerant
Step 1
Calculate additional refrigerant charge amount: R (kg)
Step 2
• Open valves C and B to the liquid line
• Execute pre-charging amount: Q (kg)
R=Q
Step 3a
• Close valves C and B
• Charging is finished
• Fill in the amount on the additional
refrigerant charge label
• Go to test run
Installer and user reference guide
28
page 29.
N2
R<Q
Refrigerant overcharge happened, recover
refrigerant to reach R=Q
p < p >
A B
C
R410A
Step 3b
Close valves C and B
Continued on next page >>
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VRV IV system air conditioner
R>Q
4P543427-1 – 2018.07