Application Example 1; One Heating Circuit With Mixing Valve - Viessmann Dekamatik-HK1 Installation Instructions Manual

Heating System Types

Application Example 1

- One heating circuit with mixing valve

- Dekamatik-HK1
Instead of the Dekamatik-HK 1 for mounting on the mixing valve it is also possible to use a Dekamatik-HK 1 for wall mounting in
conjunction with a separate mixing valve motor.
Dekamatik-HK 1 for mounting on
the mixing valve
Heating circuit
Supply header
Return header
*1
It is possible to connect a separate room temperature sensor (accessory) instead of the outdoor temperature sensor for the purpose of
*1
a purely room temperature dependent control.
*1
If the outdoor temperature value of the boiler or heating circuit control unit is used via the Viessmann 2-wire BUS, a room temperature
*1
sensor can be connected for room temperature dependent control (only possible with communication module, accessory).
*2
Only in conjunction with communication module (accessory).
6
Outdoor temperature sensor
Supply temperature sensor
Heating circuit pump
Power supply
Remote control
ATS = Outdoor temperature sensor
VTS = Supply temperature sensor
*1 *2
Viessmann 2-wire BUS
for communication with other
Dekamatik control units
External heat demand /
external heat disable