Secure H3747 Installation And Commissioning Manual page 9

Typical system deployments
3 Zone heating and hot water
App
CT
Boiler
Hot water
Auto by-pass
Valve
*
Internet
H3747
Two port
zone valve
Channel 3
* All graphics are for illustration purpose only
WiFi
BLE
Channel 1
Channel 2
Channel 4
PTD
Zone 1
PTD
Or
TS
Zone 2
PTD
Or
TS
Zone 3
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