Bürkert 0911, Operating Instructions Manual, Page: 17 / 84

0911 - 15
english
HEATING
Parameter S1C = in; The value HY has been preset to 2 K in 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.
2.7 Controlling the loads
CONTROLLER OUTPUT
The control is dependent on the measurement temperature (= sensor
temperature). Program the control direction (heating or cooling) with the
parameters S1C and S2C.
S1C = dir Cooling SET = Set-value
S1C = in Heating Hy = Switch hysterisis
COOLING
Parameter S1C = dir; The value HY has been preset to 2K in the factory.
If the temperature exceeds the value SET + HY, the compressor is switched on
and will be switched off again when the temperature falls below SET.
t
temperature
compressor
SET
SET+HY
ON
t
ON
t
t
temperature
SET
SET-HY
heat