Herschel Ultra iQ Smart energy-saving accessories - Instructions Richard Martin 03 August 2023 13:24 Updated PIR Sensor Smart Switch Four Scene Control Touch Screen Control Centre Related to Thermostats Controls Related articles Herschel iQ Thermostat Instructions Herschel XLS Thermostat Instructions Create a whole house heating schedule using Scenes Problems pairing Thermostats with the SmartLife APP Herschel Commercial Controllers - Instructions