iT500 : Wiring Diagrams (1.3.2) .
Combination Boilers
Volt Free – Combination Boiler:
One Central Heating Zone Only.
Volt Free – Combination Boiler:
Two Central Heating Zones, an iT300 Sensor will be required for this configuration.
230v Switching – Combination Boiler:
One Central Heating Zone only.
230v Switching – Combination Boiler:
Two Central Heating Zones, an iT300 Sensor will be required for this configuration.
230v Switching – S Plan:
One Central Heating Zone plus Hot Water.
230v Switching – Y Plan :
One Central Heating Zone plus Hot Water.