Secure C1727 Installation And Commissioning Manual page 10

Typical system deployments
Combi-boiler with 2 zone heating
Combi-boiler
heating
Auto by-pass
Valve
10
*
Internet
App
PTD
Channel 2
PTD
Or
TS
Channel 1
Two port
zone valve
* All graphics are for illustration purpose only
C1727
Zone 1
Zone 2
WiFi