D20 Heating control / Room control unit

Heating control D20

Weather-dependant, digital heating control for mixer and/or direct heating circuit for DHW preparation (implementation of a solar circuit is possible). Independently controls boiler systems with radiators, convectors and/or under-floor heating.

 

Function

► heating control based on weather conditions

► regulation of a mixed heating circuit or/and a direct heating circuit

► regulation of DHW heating (boilers and collectors)

► regulation of heating systems with oil boilers and/or solid fuel boilers in combination

► switches automatically between two heat sources

► 2 independent weekly time switch programs for room heating

► weekly time switch program for DHW

► special legionella protection mode

► limitation of the max. flow temperature for underfloor heating

► switches automatically between summer-and wintertime

► antifreeze mode

► circulating pump for hot water

► protection of the min. and max. temperature of oil and solid fuel boilers

► anti-blocking mode for protection of pumps and mixing valves

► troubleshooting and independent activation of alternative control type

► optimisation of the heating characteristics by our digital room unit DD2 (optional available)

 

Room unit

Digital room unit, is used as control unit for heating                                     controller D20.

► heating and/or DHW controller

► pre-set programs

► 32 program places for room heating and DHW-time                                                   commands

► temperature setting from 10°C up to 30°C

► displays actual temperature and set temperature

► Party- and Eco mode with setting of time setting

► Holiday mode