36
Wired Setup:
Smart Thermostat is wired
directly to the boiler
Wireless Setup:
Smart Thermostat installed
wirelessly with receiver
Smart Thermostat
Smart Thermostat
Extension Kit
&
Select
HT-Bus
D17 or D18
Select
Heating
Circuit
HC01 or
HC02
Activate
Hot Water
Control
(only for
D17)
Select
Temperature
Sensor
TS
Select
Heating
Circuit
HC01 or
HC02
Activate
Hot Water
Control
(only for
D17)
D17 for systems without an FW controller
D18 for systems with an FW controller (e.g. FW120)
5. Wiring: Worcester
HT-Bus
W
or
cester
HT
-Bus