Daikin SV1A25AJV1B - 7 Maintenance and Service; Precautions for Maintenance and Service; About the Refrigerant

7 | Maintenance and service
Installer and user reference guide
28
SV1A25AJV1B+SV4~8A14AJV1B
VRV 5 safety valve unit
4P749917-1 – 2023.09
7 Maintenance and service
In this chapter
7.1 Precautions for maintenance and service.............................................................................................................................. 28
7.2 About the refrigerant ............................................................................................................................................................. 28
7.2.1 About the refrigerant leakage sensor.................................................................................................................... 29
7.1 Precautions for maintenance and service
CAUTION
See "4User safety instructions"[420] 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
Maintenance MUST be done by an authorised installer or service agent.
We recommend performing maintenance at least once a year. However, applicable
legislation might require shorter maintenance intervals.
Following symbols may occur on the indoor unit:
Symbol Explanation
Measure the voltage at the terminals of main circuit capacitors or
electrical components before servicing.
7.2 About the refrigerant
CAUTION
See "4User safety instructions"[420] 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.