9 | Maintenance and service
Installer and user reference guide
39
RXYSA8~12AMY1B
VRV 5-S system air conditioner
4P752782-1A – 2024.02
9 Maintenance and service
In this chapter
9.1 Precautions for maintenance and service.............................................................................................................................. 39
9.2 About the refrigerant ............................................................................................................................................................. 39
9.3 After-sales service................................................................................................................................................................... 40
9.3.1 Recommended maintenance and inspection........................................................................................................ 40
9.3.2 Recommended maintenance and inspection cycles............................................................................................. 40
9.3.3 Shortened maintenance and replacement cycles................................................................................................. 41
9.1 Precautions for maintenance and service
CAUTION
See "4User safety instructions"[421] to acknowledge all related safety instructions.
NOTICE
NEVER inspect or service the unit by yourself. Ask a qualified service person to
perform this work.
NOTICE
Do NOT wipe the controller operation panel with benzine, thinner, chemical dust
cloth, etc. The panel may get discoloured or the coating peeled off. If it is heavily
dirty, soak a cloth in water-diluted neutral detergent, squeeze it well and wipe the
panel clean. Wipe it with another dry cloth.
9.2 About the refrigerant
CAUTION
See "4User safety instructions"[421] to acknowledge all related safety instructions.
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.