Hitachi RAC-S25YHAB, Instruction Manual

Page: 17 / 40

ENGLISH
ECO OPERATION
There are two kinds of ECO OPERATION with sensor or without sensor, depending on models.
Please refer to [Names and Functions of each part] in the unit instruction manual to verify if your unit is
equipped with a sensor and read the following instruction on ECO Operation accordingly.
●
By pressing the (ECO) button during AUTO, HEATING,
DEHUMIDIFYING or COOLING operation, the air conditioner
performs the "ECO" operation.
1
■
To start ECO operation
■
To cancel ECO operation
●
Press (ECO) button during operation.
“ ” is displayed on the LCD.
A beep sound is emitted from indoor unit.
Energy saving operation will start by changing the set temperature
higher or lower automatically and reducing operation power
consumption. This function may vary based on the connected
outdoor unit.
●
Press (START/STOP) button. Or
●
Press (ECO) button again.
“ ” disappears from the LCD.
A beep sound is emitted from indoor unit.
NOTE
●
ECO function will not be effective when power consumption is low.
●
By pressing (POWERFUL) button, ECO operation is cancelled.
●
After auto restart, ECO operation is cancelled and previous operation mode shall start.
●
For multi model connections, energy saving operation shall start only by changing set temperature higher
or lower automatically. However, effectiveness of ECO depends on operation conditions.
■
ECO OPERATION
ECO operation is an energy saving function by changing set temperature automatically and by limiting the
maximum power consumption value.
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