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Installation Manual
■12.Rotation backup
Sets rotation backup operations for light commercial models using group connections. This function equalizes the
operating times of each system when operating two systems of air conditioners together. Also, air conditioning can
be continued even if one system malfunctions by starting up the system that is in standby.
Be sure to stop operation of the air conditioners.
• The interval can be set in 1 day increments. (Max. 28 days)
• This function can only be used if all the following conditions are satisfied. If it cannot be used, then “No function” is displayed.
• For details on this function, refer to the Service manual of the indoor unit.
1 In the “Field setting menu” screen, press
[ ] and [ ] to select “Rotation backup”,
and then press [ Set/Fix]
2 Press [ ] and [ ] to select an item
3 Select “Rotation backup”, and press [ ]
and [ ] to select your desired setting
4 Select “Rotation interval”, and press [ ]
and [ ] to select your desired setting
Set the interval at which the system that is operating
is switched.
5 Press [ Set/Fix]
Data is reset and the display returns to the
“Field setting menu” screen.
1) System of light commercial indoor units that support this function
2) Group connection of 2 systems by using single connections