Heatmiser Slimline-W Programmable Thermostat V4

Upgrade your home's heating with the Heatmiser Slimline-W Programmable Thermostat V4—a powerful 230V thermostat that seamlessly combines the features of a room thermostat and a programmer. Designed for precision, convenience, and energy efficiency, this sleek device lets you take full control of your indoor climate with ease.

• Customisable Heating Schedules: Set up to four different temperature levels throughout the day for optimal comfort and energy savings.
• Smart Self-Learning Preheat: The thermostat calculates the exact heat-up time required to reach your desired temperature, optimising energy usage.
• Temperature Hold Feature: Temporarily adjust the temperature for a set duration before resuming normal scheduling.
• Secure Key Locking: Prevents unauthorised adjustments, perfect for shared spaces or homes with children.
• Flexible Programming Options: Choose between non-programmable, 5/2-day, and 7-day modes to fit your lifestyle.
• Clear & Energy-Efficient Display: A blue backlight LCD screen ensures visibility, with an auto-off function to save energy.
• Holiday Mode: Set a lower temperature while you're away to conserve energy and ensure a warm welcome when you return.
• Temperature Unit Selection: Easily switch between °C and °F as per your preference.
• Frost Protection: Adjustable settings prevent freezing and potential damage to your heating system.

1. Carefully remove the front panel of the thermostat using a small flat-head screwdriver.
2. Secure the backplate to a 35mm deep electrical back box.
3. Wire the thermostat according to the provided wiring diagram.
4. Reattach the front panel, ensuring a secure connection.

⚠ Important Installation Notes:

• Do not install the thermostat near direct heat sources, as this may affect its accuracy.
• Avoid pressing hard on the LCD screen to prevent damage.

With its intelligent heating control, flexible programming, and energy-saving features, the Heatmiser Slimline-W Programmable Thermostat V4 is the perfect solution for homeowners looking to optimise their indoor climate while reducing energy costs.