PROMATIC® KXD20 is a modern weather compensated boiler controller for heating, domestic hot water preparation
and solar system control.
PROMATIC® KXD controllers are designed to control boiler, temperature of the living space, domestic hot water,
another heat source and solar systems. Simple handling of the controller is based on user friendly interface with
graphical icons. With Seltron simplicity solutions built-in the controller offers a wealth of comfort and advantages to
Selection between 52 different hydraulic schemes, including schemes with two mixing circuits or two heat
sources and solar system. All controller settings are permanently stored, user settings can be saved to a user file
and later activated. Each change of controller setting, exceeded maximum temperature or system malfunction is
written to a log. All measured temperatures are periodically stored, data can be viewed on display at any time.
Can be mounted onto the panel or on the boiler.
CONTROLLER INSTALLATION IN OR ON TO THE BOILER HOUSING
Controller can be installed in a dry room, avoiding immediate vicinity of sources of strong electromagnetic field.
It can be fixed inside or onto the boiler siding.
Example of installation on to the boiler.
STB THERMAL SAFETY FUSE
Thermal safety fuse serves as thermal protection of the heat source by cutting of power supply to the burner if the temperature exceeds 110 °C.
Red alert inscription on STB signals that thermal safety fuse has been activated.
CHIMNEY SWEEP KEY KXD controllers feature
“Chimney sweep function” which helps the chimney sweeper and installer by fine tuning the burner and boiler emission test.
“STB test” function helps the installer to check operation of safety thermal fuse STB.