Download a copy of smart phone app quick start guide originally supplied with your Cosy System App Quick Start Guide [PDF]

Disabling Cosy Cosy changes the way you interact with your heating, so you will notice some differences. However, if for any reason you are unhappy ...

Hibernate temperature The default ideal temperature for Hibernate is 6°C. Using Hibernate Hibernate mode is the mode to choose for when you wan...

Slumber temperature The default ideal temperature for Slumber is 12°C.  You can change this from the Cosy App. Enter the settings menu and select &quo...

Comfy temperature The default ideal temperature for Comfy is 18°C. Using Comfy Comfy mode is the mode to choose for when you want the heating o...

Cosy temperature The default ideal temperature for Cosy is 22°C. Cosy mode is the mode to choose for when you want the heating on, and you're home...

The Display has a temperature sensor behind the grill at the back of the Display.  This controls your central heating and hence the temperature of your ho...

The Switch controls the boiler, turning the heating on and off according to the heating mode.  Control button When the control button ('A' ...

Buttons The link button 'A' and status light manage the wireless pairing between the Hub and Cosy devices. All the devices in the box have a...

The Cosy App uses "Profiles" and a "Schedule" to control the heating according to your preferences, let's see how they work. P...