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1-3. Details of server room control
By activating server room control using function setting 96, this product maintains a room at constant
temperature.
Available operations
When server room control is activated by changing the setting on function setting 96, this product
maintains the room temperature constant by performing 3 types of operations automatically accord-
ing to the room temperature conditions.
While this function is activated, contents of operation is fixed as follows:
Operation mode
COOL
*: Set temperature correction (±4 °C) is possible by switching the setting value on function setting
30. For the setting details, refer to
• Alternative operation
Controls the units operations by using the weekly timer of the primary unit.
When the weekly timer is activated and the primary unit operation is turned off, the secondary unit
starts operation simultaneously.
Also, when the weekly timer is activated and the primary unit operation is turned on, the second-
ary unit stops operation simultaneously.
Primary unit
Secondary unit
• Backup operation
Regardless of the primary-secondary relation of the unit, if an error occurred on one unit, opera-
tion start indication is issued to another unit and the unit starts backup operation.
Set temperature
"Room temperature control for indoor unit sensor"
On
Off
On
Off
On
Indoor unit A
Off
On
Indoor unit B
Off
24 °C*
On timer expired
Off timer expired
Error occurred
- 4 -
Airflow mode
HIGH
on page 41.
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