Maintenance And Service; Overview: Maintenance And Service - Daikin RXYSA4A7V1B Installer And User Manual

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Maintenance and service

25 Maintenance and service
In this chapter

25.1 Overview: Maintenance and service

Installer and user reference guide
140
NOTICE
Maintenance MUST be done by an authorized installer or service agent.
We recommend performing maintenance at least once a year. However, applicable
legislation might require shorter maintenance intervals.
NOTICE
Applicable legislation on fluorinated greenhouse gases requires that the refrigerant
charge of the unit is indicated both in weight and CO
Formula to calculate the quantity in CO
refrigerant × total refrigerant charge [in kg] / 1000
25.1 Overview: Maintenance and service...................................................................................................................................... 140
25.2 Maintenance safety precautions............................................................................................................................................ 141
25.2.1 To prevent electrical hazards................................................................................................................................. 141
25.3 Checklist for yearly maintenance of the outdoor unit........................................................................................................... 142
25.4 About service mode operation............................................................................................................................................... 142
25.4.1 To use vacuum mode ............................................................................................................................................. 142
25.4.2 To recover refrigerant............................................................................................................................................ 143
This chapter contains information about:
▪ Preventing electrical hazards when maintaining and servicing the system
▪ The refrigerant recovery operation
equivalent.
2
equivalent tonnes: GWP value of the
2
VRV 5-S system air conditioner
4P600330-1A - 2020.07
RXYSA4~6A7V/Y1B