Controlling The Loads - Burkert 0911 Instructions De Service

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2.4

Controlling the loads

CONTROLLER OUTPUT
The regulation is dependent on the measured temperature (= sensor
temperature). You can program the control direction (heating or cooling) with
the parameter CH.
CH = CL
CH = HT
COOLING
temperature
SET+HY
SET
compressor
ON
Fig. 2.2: Cooling
Parameter CH = CL; The value HY has been preset to 2 K at the factory.
If the temperature exceeds the value SET+HY, the compressor will be
switched on, and SET will be switched off again with temperature undershoot.
HEATING
temperature
SET
SET-HY
heat
ON
Fig. 2.3: Heating
Parameter CH = HT; The value HY has been preset to 2 K at the factory.
If the temperature falls below the value SET-HY, the controller output will be
switched on and will be switched off again when SET is exceeded.
8 - 0911
Cooling
Heating
t
t
t
t