To Charge Refrigerant: Flow Chart - Daikin VRV IV+ RXYTQ8U5YF Installer And User Manual

17.4.4 To charge refrigerant: Flow chart

For more information, see
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
RXYTQ
VRV IV+ heat pump for high ambient temperatures
4P561157-1B – 2021.11
"17.4.5 To charge refrigerant" [
Refrigerant overcharge happened, recover
refrigerant to reach R=Q
4
86].
p < p >
A B
N2 R410A
R<Q
17 Piping installation
|
C
R>Q
Step 3b
Close valves C and B
Continued on next page >>
Installer and user reference guide
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