Daikin VRV 5-S Series - 25 Maintenance and Service; Overview: Maintenance and Service

25 | Maintenance and service
Installer and user reference guide
140
RXYSA4~6A7V/Y1B
VRV 5-S system air conditioner
4P600330-1 – 2020.01
25 Maintenance and service
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
2
equivalent.
Formula to calculate the quantity in CO
2
equivalent tonnes: GWP value of the
refrigerant × total refrigerant charge [in kg] / 1000
In this chapter
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
25.1 Overview: Maintenance and service
This chapter contains information about:
▪ Preventing electrical hazards when maintaining and servicing the system
▪ The refrigerant recovery operation