Daikin VRV 5-S Series - After a Long Stop Period; Before a Long Stop Period; About the Refrigerant

9 | Maintenance and service
Installer and user reference guide
39
RXYSA4~6A7V/Y1B
VRV 5-S system air conditioner
4P600330-1D – 2023.02
9.1 After a long stop period
E.g., at the beginning of the season.
▪ Check and remove everything that might be blocking inlet and outlet vents of
indoor units and outdoor units.
▪ Clean air filters and casings of indoor units. Contact your installer or maintenance
person to clean air filters and casings of the indoor unit. Maintenance tips and
procedures for cleaning are provided in the installation/operation manuals of
dedicated indoor units. Make sure to install cleaned air filters back in the same
position.
▪ Turn on the power at least 6 hours before operating the unit in order to ensure
smoother operation. As soon as the power is turned on, the user interface
display appears.
9.2 Before a long stop period
E.g., at the end of the season.
▪ Let the indoor units run in fan only operation for about half a day in order to dry
the interior of the units. Refer to "7.3.2 About cooling, heating, fan only, and
automatic operation"[430] for details on fan only operation.
▪ Turn off the power. The user interface display disappears.
▪ Clean air filters and casings of indoor units. Contact your installer or maintenance
person to clean air filters and casings of the indoor unit. Maintenance tips and
procedures for cleaning are provided in the installation/operation manuals of
dedicated indoor units. Make sure to install cleaned air filters back in the same
position.
9.3 About the refrigerant
This product contains fluorinated greenhouse gases. Do NOT vent gases into the
atmosphere.
Refrigerant type: R32
Global warming potential (GWP) value: 675
Periodical inspections for refrigerant leaks may be required depending on the
applicable legislation. Contact your installer for more information.
NOTICE
Applicable legislation on fluorinated greenhouse gases requires that the refrigerant
charge of the unit is indicated both in weight and CO
2
equivalent.
Formula to calculate the quantity in CO
2
equivalent tonnes: GWP value of the
refrigerant × total refrigerant charge [in kg]/1000
Contact your installer for more information.
WARNING: MILDLY FLAMMABLE MATERIAL
The refrigerant inside this unit is mildly flammable.