Room temperature controller generates the setpoint for the supply air temperature controller.

Up to 4 room sensors can be connected. Room temperature is an averaged value, which is calculated according configured sensors.


Settings and configuration for Room cascade control


Variable

Available options & Selection

Note


Activate temperature control type

Configuration > Functions > Function activation

Temperature control type

|...| Room cascade | … |

-


Activate sensors & additional options

Configuration > Functions > Temperature control

Room temperature sensor

| No | 1 | 2 | 3 | 4 |

-

Calculation mode room temperature

| Average | Min value | Max value | Weighted average |

* Option available if the number of room temperature sensors is more than 1.

Weighted average - average of the min and the max values

Supply air temperature sensor

|Yes | No |

-


Configure inputs

Configuration > I/O allocation settings > Analog inputs >

Room temperature 1


Any available I/O

Supply air temperature



PI Settings

Configuration > PID controllers > Room

P-band

[100] oC

PI settings for the room controller

I-time

[300] s


Operational settings

Data & Settings > Temperature control > Supply air controller

Supply air temperature

__ oC

Actual supply air temperature

Min limit supply air

[12.0] oC

Limits of the supply air temperature. Temperature off these limits will trigger alarm AL-88 or AL89

Max limit supply air

[30.0] oC

Actual setpoint supply air

__ oC

Dictionary

Data & Settings > Temperature control > Room controller

Room temperature

__ oC

Actual room temperature

Setpoint room

[21.0] oC

Setpoint

Actual setpoint room

__ oC

Dictionary



Related topics:

Temperature controllers

Summer/Winter mode


Chapter info                              

Last reviewed: 9/16/2021

Access version: 4.5-1-01 (2913)