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

18.4.4 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
RXMLQ8 + RXYLQ10~14T7Y1B*
VRV IV system air conditioner
4P543427-1A – 2020.10
"To charge refrigerant" [
Refrigerant overcharge happened, recover
refrigerant to reach R=Q
4
98].
p <
A
N2 R410A
R<Q
18 Piping installation
|
p >
B
C
R>Q
Step 3b
Close valves C and B
Continued on next page >>
Installer and user reference guide
97