T4R 7 Day Wireless Programmable Thermostat
This is a modern wireless 7-day Programmable Room Thermostat. It is designed to provide automatic time and temperature control of domestic systems in domestic or light commercial premises.
Introducing the new Honeywell Home T4 programmable thermostat - effortless temperature control
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Features
- Compatible with 24-230V on/off appliances such as gas boilers, combi-boilers and zone valves
- The T4 can be used as a temperature sensing device in an S or Y Plan system
- Well suited to control combination boiler installations or additional zones in an S Plan Plus system
- Wireless communication between thermostat and receiver box with 30m range
- Pre-bound to the wireless relay box, no need to establish a binding
- On screen text display and function buttons to ensure simplified programming and operation for all users
- Energy saving TPI control
- Optimum stop & start & Delayed start features that learn how the room is heated
- Two wire, volt free connections are ideal for use with combination boilers
- Easy to fit with a three step installation process: Wire, Power Up and Test, Configure
- New improved wall plate with extra wiring space
- Optional Wired external sensor available (wired versions only)
- On screen heat demand icon makes start up testing easy
- Simple push button access to configuration menus
- Adjustable Frost protection
- Away mode with specific temperature set (number of days changeable)
- Temporary schedule override until next set point or for 1 or 2 hours
- Schedule can be turned off – will operate as a variable setting thermostat only
- Displayed on an extra-large LCD screen
- Automatic Summer/Winter time change
- 7-day programming with 7 day; 5/2 or single day schedules
- Four or six independent time & temperature settings (default is 4)
- Pre-configured 5/2 heating schedule
- Battery powered (with low-power indicator)
- Easy change battery compartment
- Optional backlight with extended light on time period
- Burner 'ON' symbol
Wireless Relay box
Designed for the installer in mind, this relay box comes pre-bound to the Honeywell Home T4R and provides the link between the boiler and the wireless thermostat.
- Lift up wiring bar for easy wiring
- OpenTherm terminals as standard
- Clear wiring labels