Water after-heating element Ø250
An after-heating element is often installed if you want to be able to control the supply air temperature. A low supply air temperature may, at times, feel like a draught. By ensuring that the supply air temperature does not fall below a certain level, you achieve a good, comfortable indoor climate.
The water after-heating element is for duct mounting and should be connected to the primary heat supply.
The heating element is only intended for heating up clean air.
Calculation of correct heating element:
Δt * air density * air volume [m3/h]
E.g. 1: No pre-heater mounted. The temperature must be raised from -10 ºC to 21 ºC at 100 m3/h.
31 * 0,34 * 100 = 1054 W
As a minimum, the heating element must be able to supply 1054 W
E.g. 2: A pre-heater is mounted. The temperature must be raised from 16 ºC to 21 ºC at 100 m3/h.
5 * 0,34 * 100 = 170 W
As a minimum, the heating element must be able to supply 170 W
*Water after-heating element
It is important that the temperature sensor T7 is placed at least 50 cm after the after-heating element in order to achieve efficient regulation.
ATTENTION! The heating element must be insulated in order to avoid frost damage.