Operating Instructions
Busch Temperaturregler
Offset function
Operating Instructions | 1473-1-8396
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Offset function
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Fig. 2: Offset function
Reaching the selected room temperature strongly depends on the ambient conditions such as heating/cooling
system capacity (5 K/h min.), room size, ambient temperature, insulation etc.
That is why the values in the scale are merely guide values. To obtain a setting that is as accurate as possible,
the adjusting knob (1) can be offset in 4 stages by a total of +/-6°C.
To do so, pull off the control knob and cut off the position lug (2) on its underside using a suitable tool.
Then shift the control knob by the desired correction temperature in relation to the vertical and put it back on.
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Technical data
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General
Nominal voltage
230 V ~ ±10%, 50 / 60 Hz
Switching capacity (inductive) heating
10 (4) A, 230 V ~
Switching capacity (inductive) cooling
5 (2) A, 230 V ~
Connection
1.5 mm² … 2.5 mm²
Temperature adjustment range
~ 5 to 30°C (1 = 5°C | 2 = 10°C | 3 = 15°C | 4 = 20°C | 5 = 25°C | 6 = 30°C)
Switching temperature difference *
Approx. +/- 0.5 K
Protection type
IP 20, (EN 60529)
Power loss (Relay off)
0.5 W
Switch contact (independent normally open
contact)
2
Mode of operation (DIN EN 60730-1)
1 B
Degree of contamination (DIN EN 60730-1)
2
Rated surge voltage (DIN EN 60730-1)
4000 V
* Typical control operation can not always be attained for cooling areas close to the floor. When the device
heats up due to high current loads, the set value should be checked especially in cooling operating mode and,
if necessary, the set-point temperature should be raised.
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