⑲
IU Back-up function
In case of 2 sets of indoor units connected to one R/C, it is available to
perform back-up operation with them.
IU rotation: Operate 2 sets of indoor units alternately at every set time
of operation interval.
Set the timer for changeover ➝
⑳
IU capacity back-up: When the temp difference between the set temp
and the actual room temp is higher than the set temp
diff., 2 sets of indoor units operate. When the temp
difference reaches to the set temp diff. it is switched to
one unit operation.
Set the temp diff. for back-up ➝
IU fault back-up: If one of the IU has a fault and stops, the other one
starts operation.
[Enable/Disable] setting of each function can be done.
When [IU rotation] or [IU capacity beck-up] is set [Enable], [IU fault
back-up] is set [Enable] automatically.
⑳
Set the timer for changeover
In IU rotation function, the timer to changeover the operation of 2
indoor units is set.
Set the temp diff. for back-up
In IU capacity back-up function, the temperature difference between
the temp to start operation of 2 indoor units and the set temp is set.
(Setting range 2-5°C)
⑲
IU Back-up function
⑳
Set the timer for changeover
Set the temp diff. for back-up
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