10. Maintenance
Installer reference guide / Mono tank integrated type 179
10.1 Overview ............................................................................................................................. 180
10.2 The components of maintenance ................................................................................. 180
• Yearly maintenance of the outdoor unit .........................................................................................................................................180
• Yearly maintenance of the indoor unit ............................................................................................................................................180
• Glycol ............................................................................................................................................................................................................181
• Recharging refrigerant ..........................................................................................................................................................................181
• Precautions on adding the R32 refrigerant ................................................................................................................................... 183