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Owner’s Manual
Air to Air Heat Exchanger
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Adjusting fan speed
The factory default setting for fan speed unbalance (“Supply air > Exhaust air” or “Supply air < Exhaust air”) is disabled.
Disabled setting items are not shown. To enable it, contact your supplier (dealer).
1 Press [ ] and [ ] to switch to the “Fan
speed” screen
2 Press [ ] and [ ] to select ventilation
fan speed
*1: When “Supply air > Exhaust air” is set
The volume of supply air to the inside is larger than
the volume of exhaust air to the outside.
*2: When “Supply air < Exhaust air” is set
The volume of exhaust air to the outside is larger than
the volume of supply air to the inside.
Auto
(*1)
High
Medium
Low
(*2)
Unbalance
High
Unbalance
Medium
(*1) (*2)