Control unit for feed boiler EU-28 (DE.160) (ST-28)

Functions that are implemented by the control unit

• Fan control, central heating pump and hot water pump
• Possibility to connect the room controller

Equipment of the control unit

• LCD display
• Heating temperature sensor
• Hot water temperature sensor
• is equipped with a temperature fuse (thermal fuse).
• Housing for mounting on the boiler, made of high-quality, heat- and frost-resistant materials

Technical data:

• Supply V 230V/50Hz +/-10%
• Maximum power consumption of the control unit W 5
• Ambient temperature OC 5÷50
• Maximum load on the CH pump output A 0.5
• Maximum load on the output of the DHW pump A 0.5
• Maximum load on the fan output A 0.6
• Accuracy of measurement OC 1
• Range of temperature settings OC 45÷80*
• Sensor temperature resistance OC -25÷90
• Fuse link A 2x 3.15

Functionality:

The temperature controller EU-28 is suitable for the central heating feed boilers. It controls the water circulation pump, the hot water pump and the fan. Four operations are selected for the pumps: house heating, boiler priority, parallel pumps, summer operation. The control unit housing is suitable for mounting on the boiler.

Example installation (simplified scheme):