Secure H3747 Installation And Commissioning Manual page 8

Typical system deployments
2 Zone heating and hot water
App
CT
Boiler
Hot water
Auto by-pass
Valve
8
*
Internet
H3747
Two port
zone valve
Channel 3
* All graphics are for illustration purpose only
WiFi
Channel 1
Channel 2
Wireless
connection
Wired
connection
Pipes
PTD
Zone 1
PTD
Or
TS
Zone 2