Table of Contents Product Image Locking/Unlocking the Edge Table of Contents Holiday What is a Programmable Optional Settings Explained 26-27 Room Thermostat? Optional Settings - Feature Table Installation Procedure Adjusting the Optional Settings Mode Select Recalibrating the Edge Error Codes...
What is a Programmable Room Thermostat? Section Header A programmable room thermostat is both a programmer and a room thermostat. A programmer allows you to set “On” and “Off” periods to suit your own lifestyle. A room thermostat works by sensing the air temperature, switching on the heating when the air temperature falls below the thermostat setting, and switching it off once this set temperature has been reached.
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Programmable room thermostats need a free flow of air to sense the temperature, so they must not be covered by curtains or blocked by furniture. Nearby electric fires, televisions, wall or table lamps may also prevent the thermostat from working properly. Model: edge...
Screw the edge back plate securely into the back box. Step 4 Replace the front of the thermostat onto the back plate, by locating the pins in the socket then insert the top edge first. Now push in the bottom edge, securing it in place with the retaining screw.
Mode Select Section Header Edge can either be used as a thermostat or a time clock. Thermostat mode is the default setting. To change between thermostat & time clock modes, follow these steps. then press and hold the • Use the ‘Left/Right’ arrow keys to highlight button for 3 seconds ....................
8. Hold Left - Displayed when a temperature hold is active, the remaining time will be shown. 9. Sensor Warning - Flashes on screen when the edge has failed to receive a signal from a Wireless Sensor or Window/Door Switch.
When the Flame Icon is absent, there is no requirement for heating to achieve the set temperature but the edge remains active. To turn the edge off completely, scroll to the Power Icon and hold the key for approximately 3 seconds until the display goes blank ......
‘Minutes’ .... Repeat the previous two steps to set the date (‘Day, Month & Year’). Display will go blank once completed. • Press the ‘Down’ arrow key followed by to return to the main display ........................Model: edge...
Room Temperature Floor Temperature When the edge is set to use both the air & the floor sensor, the room temperature will be displayed by default. To view the current floor temperature, press and hold the Left and Right arrow...
Wireless Air Sensor. Door/Window - Wireless Contact Sensor (Not available in Time Clock mode). You can pair a total of 16 accessories to a single edge thermostat. Wireless Air Sensor Once a remote sensor is added, the edge will automatically display an average temperature between the ‘Wireless Air Sensor’...
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The thermostat will now start a 99 second countdown. During this time multiple Section Header sensors can be added. Number of accessories connected. Countdown time • On the ‘Air Sensor & Window/Door Contact’ , press and hold the pairing button for 5 seconds. The LED will glow red to indicate pairing status Window/Door Wireless Contact Sensor Wireless Air Sensor Pair/Reset...
‘OP’ = Open, or ‘CL’= Closed. If the edge loses connection with an accessory, the display will show “--”. A battery warning symbol will be appear when an accessory reports low power.
Pair/Reset button button At this point the ‘Sensor/Contact’ will notify the edge that it has left, and will automatically be removed from the ‘Accessory Menu’ . On the edge thermostat • Follow the steps on page 16 to enter the accessory menu.
Section Header The edge offers three program mode options; Weekday/Weekend, 7 Day and 24 Hour programming. There is also the option to use the edge as a manual thermostat. The thermostat is supplied with comfort levels already factory programmed, but these can be changed easily.
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Section Header • Use the ‘Up/Down’ keys to set the ‘Hours’ ............. • Press to confirm ......................... • Use the ‘Up/Down’ keys to set the ‘Minutes’ ............• Press to confirm ......................... • Use the ‘Up/Down’ keys to set the temperature ..........•...
........Until next programmed ‘Comfort Level’ time. Set Temperature Note: This new temperature is maintained only until the next programmed comfort level. At this time, the thermostat will revert back to the programmed levels. Model: edge...
Temperature Hold Section Header The temperature hold function allows you to manually override the current operating program and set a different temperature for a desired period. • Use the ‘Left/Right’ keys to scroll to ‘Hold’ and press ........• Repeatedly tap the ‘Up/Down’ keys to set the desired ‘Hold’ time (Hours) then press ....................
Up’ or ‘Down’ key once. Press to exit ......... • To change the ‘SET’ temperature during ‘Advance’ , use the ‘Up/Down’ keys followed by to confirm ........To cancel ‘Advance’ • Use the ‘Left/Right’ keys to highlight ‘Advance’ then press twice ..Model: edge...
The frost icon will toggle ON/OFF each time is pressed ............In this mode, the edge will display the frost icon and will only turn the heating ‘ON’ should the room temperature drop below the set frost temperature. If the heating is turned ‘ON’...
Locking the edge Section Header The edge has a keypad lock facility. To activate the lock follow these steps. • Use the ‘Left/Right’ keys to scroll to Hold & press for 7 seconds ..The display will show 0000. At this point enter a four digit pin number.
The edge will maintain this temperature for the duration of the holiday and will then automatically return to the program mode on your return. To set a ‘Holiday’...
Sensor Selection: On this thermostat, you can select which sensor should be used. You can select between air temperature only, floor temperature, or both. When you enable both sensors, the floor sensor is used as a floor limiting sensor and is designed to prevent the floor from overheating. Model: edge...
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Floor Temp Limit: When the Floor Sensor has been enabled in feature 07, you can set a Section Header floor limiting temperature between 20-45°C, this protects the floor from overheating. (27°C is the default). Note: ‘Air Sensor Only’ MUST NOT be used to control electric underfloor heating. Floor Sensor or Both should be used.
Adjusting the Optional Settings Section Header then press and hold the • Use the ‘Left/Right’ arrow keys to highlight button for 3 seconds ..................... The display will go blank showing only ‘Setup’ and ‘Clock’ • Press the ‘Up’ key followed by twice to access main feature menu ..
‘ON’ ..........Error Codes The edge will display an error code if there is a fault with the temperature sensor, these error codes are explained below. E0 = The internal sensor has developed a fault.
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Wiring Diagram - EDGE Switch Live Output Section Header Model: Edge MODBUS INTERFACE 230VAC Floor Sensor A2 A1 230V SUPPLY IN LIVE NEUTRAL SWITCHED LIVE TO BOILER This product must only be installed by a qualified electrician and comply with local installation regulations.
Wiring Diagram - EDGE Volt Free Output Section Header Thermostat & Time Clock Modes Model: Edge MODBUS INTERFACE 230VAC Floor Sensor A2 A1 230V SUPPLY IN VOLT FREE TO BOILER LIVE LS & LR ARE NORMALLY THE ROOM THERMOSTAT CONNECTIONS...
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Wiring Diagram - EDGE to Valve Section Header Model: Edge MODBUS INTERFACE 230VAC Floor Sensor A2 A1 TO CONNECT BOILER CONSULT BOILER MANUFACTURERS DIAGRAM LIVE 230V SUPPLY IN NEUTRAL TO BOILER NEUTRAL LS & LR ARE NORMALLY THE HEATING VALVE...
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Wiring Diagram - EDGE Switch Live to UH8 Section Header Model: edge 230VAC MODBUS INTERFACE Floor Sensor A2 A1 FLOOR PROBE This product must only be installed by a qualified electrician and comply with local installation regulations. Model: edge...
2. Holiday – Displayed when the time clock is in holiday mode. 3. Clock - Time displayed in 24 hour format. 4. Advanced Until - Displayed when the edge is advanced to the next programmed level. 5. Hold Left - Displayed when a timer override is active, the remaining time will be shown.
• To blank or set a switching level period to unused, first select the switching level then set --:-- in place of the time. • When all switching times have been programmed use the ‘Right’ arrow key to highlight ‘DONE’ and press ................Model: edge...
Timer Advance Section Header To boost the timed output ‘ON’ follow these steps. • Use the ‘Left/Right’ keys to highlight ‘Advance’ then press twice ..Boost Left and the remaining time will now be displayed. Advance To cancel ‘Advance’ Time Remaining •...
Adjusting the Optional Settings Section Header then press and hold the • Use the ‘Left/Right’ arrow keys to highlight button for 3 seconds ..................... The display will go blank showing only ‘Setup’ and ‘Clock’ • Press the ‘Up’ key followed by twice to access main feature menu ..
Insert the new battery (positive side up!) by locating one end underneath the holding clips then pushing down on the opposite end against the brass holding bracket. Holding clips Brass retaining bracket We advise that replacement of the lithium battery be carried out by a qualified professional. Model: edge...
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Want More Information? Call our support team on: +44 (0)1254 669090 Or view technical specifications directly on our website: www.heatmiser.com Twitter: @heatmiseruk Facebook: facebook.com/thermostats Rev. 1.0...
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