Use a flat screwdriver to gently release the latches on the bottom of the casing and remove the front cover. Connect the Wires: Terminal 1 (COM): Live feed.

Press the button once more. The weekday indicator (1 = Monday, 7 = Sunday) will flash.

: Press the > button until the pointer indicates the "Day" or "Program" position.

Danger: 230V AC present. Only for qualified installers.

: Ensure correct polarity. Reversing the "L" and "Load" terminals or omitting the Neutral connection can lead to "sluggish" operation and inaccurate heating.

Install two fresh AA batteries into the front compartment, paying attention to the correct polarity.

Screw the base plate securely to the flush-mounted wall box.

The is a premium, programmable room thermostat designed for precise temperature control of heating and cooling systems . Known for its reliability and energy efficiency, this device is widely used in residential and commercial settings to manage comfort while reducing energy costs.

Locate the small pinhole button on the front or side interface.

Replace with two fresh AA alkaline batteries. Check polarity. Heating Won't Turn On Current room temperature is higher than set target. Raise target temperature above current room temperature. Heating Won't Turn On Thermostat is in a scheduled Economy block. Use manual override to increase temperature temporarily. Screen Shows "Low Batt" Battery power is critically depleted.

Current room temperature, actual time/day, active operating profile, and low-battery warning indicator. 🔋 Initial Setup and Battery Replacement

Press or the Menu button again to switch to the hours, adjusting them with + or - .

: Supports 3 adjustable temperature levels: Comfort , Standard , and Night .

Use or – to set the day of the week, then press OK (or the confirm button). Adjust the hours and minutes using the same method. Adjusting Temperature: Press + or – to see the current "set" temperature.

Verify that a flame or heat icon is displayed on the LCD. Raise the temperature target well above the room reading to test the connection. If the icon displays but the boiler remains idle, check the physical terminal wiring or your boiler's primary power switch. Controls Are Unresponsive (Lock Symbol Displayed): Cause: The child lock/keypad lock is active.

The RF signal is generally strong, but walls and metal objects can reduce it.