DC1100/1400 - Set to compensate the boiler, but the boiler does not switch off.

Issue

Boiler does not switch off.

Product Line

Field Devices

Environment

DC1100

DC1400

Boiler

Compensate

Cause

The customer has set the DC controller as shown below, the boiler does not switch off.

A combined Optimiser / Compensator and the compensation is for the Boiler Only.

Resolution

The configuration described is classified as "Scheme F" in the data sheet - Optimisation with boiler compensation - one or two boiler control

This configuration uses three sensors, the Outside, Space and Boiler Flow Header, it does not use the Compensated flow sensor.

To download the complete data sheet please click HERE.