Beluk BLR-CX-R, Справочное руководство

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Reference Manual
BLR-CX-R / BLR-CX-T Rev. 07
2018-07
33
9 APPLICATIONS
9.1 Fan Control
The fan control is to be regulated through the BLR-CX.
Solution:
If the BLR-CX is equipped with a temperature sensor (option –L), can be via one of the
switching exits, a fan to be controlled.
Procedure:

Enable temperature alarm
In the expert menu item 512 set to "YES" (temperature alarm on).

Set temperature thresholds
Set the following items 513 (temperature threshold 1) and 514 (temperature threshold
2the temperature thresholds. By exceeding the temperature threshold 1 is witched the
fan output. When you exceed the temperature threshold 2, all steps are switched off to
prevent overheating.

Select fan output
Select item 403 in expert menu and adjust for the step which shall work as the fan output
step type "AL".
Features:
In order to prevent hunting of the fan relay, the fan is turned off only at a temperature below
the set limit by at least 3°C. If the BLR-CX is equipped with a temperature sensor, the current
cabinet temperature is displayed and the highest measured temperature is stored in thi.
Parallel to the temperature sensor can be connected a thermostat. By close of the thermostat,
the temperature limit 2 is activated.