CONTROLLER REGULATOR FOR CO + DHW ST-27i TECH

Principle

The ST-27i regulator is designed to control the operation of the central heating circulation pump and the additional pump (DHW or floor pump). The task of the regulator is to switch on the CH pump if the temperature exceeds the threshold switching value, and turn it off if the boiler cools down (due to extinguishing). For the second pump, in addition to the switching temperature, the user sets the set temperature to which the pump will work.

Functions performed by the controller:

• CH pump control
• control of an additional DHW or floor pump
• Antistop function
• antifreeze function

Controller equipment:

• Lcd
• CO temperature sensor
• auxiliary pump temperature sensor
• pulser knob
• housing made of high quality materials resistant to high and low temperatures

Product parameters:

• Power supply, V: 230V +/-10% / 50Hz
• Maximum driver power consumption, W: 4
• Ambient temperature, °C: 5÷50
• Maximum load of pump outlet, A: 1
• Temperature setting range CO, °C: 30÷75, 20÷75
• Floor temperature setting range, °C: 30÷75
• Hysteresis, °C: 1÷20
• Accuracy, °C: 1
• Resistance Sensor Temp., °C: -30÷99
• Fuse insert, A: 3,15