System Example - Viessmann VITOTRONIC 200 Installation And Service Instructions Manual

Vitotronic 200 and 300-K Installation and Service

System Example

Multi boiler system with several heating circuits with
mixing valve and low loss header (with/without DHW
heating)
Legend
1 Multi boiler system with 2 to 8 Vitodens 200-W,
hydraulic cascade with low loss header and
connection accessories
with
2 Vitodens 200-W in cascade mode
5 Vitodens 200-W in cascade mode
3 Cascade communication module
4 Internal extension H1
6 Vitotronic 300-K
7 Outside temperature sensor ATS
qP Indirect DHW storage tank
qQ DHW temperature sensor
qW DHW recirculation pump
qZ DHW circulation pump
Note: This scheme is a basic example without
shut-off valves or safety equipment.
This does not replace the need for local
engineering.
rP Heating circuit with mixing valve
rE Supply temperature sensor, heating circuit M2/M3
rR Heating circuit pump, heating circuit M2/M3
and
3-way mixing valve
rT Mixing valve motor kit for heating circuit with mixing
valve (mixing valve motor and supply temperature
sensor rE)
tP Low loss header
tQ Supply temperature sensor for low loss header
tW Accessories pump
tE Accessories pump
Preparing for Installation
5