IV Produkt Control Unit IVC3
IVC3 Basic Manual 2004-12-15.doc
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2.8 Selection of temperature-control mode
Four different types of temperature-control mode are available; Supply air control, Extract air control,
Room control and Climate depended control (extract air at summer and supply air at winter).
Setup
Setting
Description
Regulation
Supply air reg./
Exhaust air regl./
Room reg./
Climate dep. reg
Supply air control
Extract air control (cascade)
Room control (cascade)
Extract air cascade (summer), Supply air (winter)
2.8.1 Supply air control
Constant supply air temperature.
Settings
Setting
Description
Setp. Supply air 0-60
°
C
Set point supply air temperature
2.8.2 Extract air control
Constant extract air temperature with min and max limits for supply air. Extract air temperature sets
set point for supply air to maintain a constant extract air temperature. Cascade factor 5.
Settings
Setting
Description
Setp. Main
0-60
°
C
Main setpoint extract air temperature
Min. Supply air
0-60
°
C
Minimum supply air temperature
Max. Supply air 0-60
°
C
Maximum supply air temperature
2.8.3 Room control
Constant room temperature with min and max limits for supply air. Room temperature sets set point for
supply air to maintain a constant extract air temperature. Cascade factor 5.
Settings
Setting
Description
Setp. Main
0-60
°
C
Main setpoint room temperature
Min. Supply air
0-60
°
C
Minimum supply air temperature
Max. Supply air 0-60
°
C
Maximum supply air temperature
2.8.4 Climate adapted control
At this solution the controller operates as a exhaust air controller in summertime and supply air
controller in wintertime.
Settings
Setting
Description
Setp. Main
0-60
°
C
Main setpoint room temperature (summer)
Setp. Supply air 0-60
°
C
Set point supply air temperature (winter)
Min. Supply air
0-60
°
C
Minimum supply air temperature
Max. Supply air 0-60
°
C
Maximum supply air temperature
Outdoors temperature is according to set value shifting between control mode summer and winter.
Shift point differs by a 2° hysteresis and 30 minutes delayed changing to supply air control.
