Danfoss ECL Comfort User Manual page 10

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10e

10.3

Ventilation system with constant

room temperature control

Control principle:

PI control of the inlet temperature (S3) and P control of

the room temperature (S2). The adjusted temperature is

controlled by the motorized valve M1 in the primary circuit of

the air heater. Fan P1 is controlled by relay R1, damper P2 by

relay 2.

System settings

Circuit Line Description

Balance temperature

Application selection

R2 relay cut-in delay

Recomm.

setting

23 °C

180 sec.

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