Wiring

Can I install a 120V mat on one leg of a double pole breaker?


There is no neutral leg on a double pole breaker and the polarity between the two sides does not match. This will cause the thermostat to trip and/or it will send too much voltage into a 120V heater.

Can I Have Another Thermostat as an Acting Relay?


When you have multiple floor heating systems being powered that require more than 15amps, you can use an additional 3iE as a relay as opposed to purchasing a separate generic relay which Warmup can supply.

Floor Probe Installation Instructions


The thermostats come with a 9’ sensor cable to detect the temperature under the floor finish. The end of the probe wire contains a capped sensor that should be evenly centered between two heating cables at least 12” into the heated area. At no time should the probe wire cross the heating cable.

Will the Electric Floor Heating System Work Without the Floor Sensor Probe?


While you can operate your floor heating system without the floor sensor probe it is better to have it installed.  Click “Read More” for detailed information.

Why does my heater have a ground wire but the thermostat has no terminal for ground?


The ground wire of the heater(s) must be directly connected to the ground wire of the supply.

What is the EMF level of Warmup cables?


Our cable was tested and measured 0.5 mG at 1/2” (a typical distance between the cable and your feet). This measures at 1/200th of the acceptable value of 100 mG as established by the WHO and Intertek/ETL. It therefore complies with EN50366.

What if my thermostat screen is black and won’t turn on?


If your thermostat has no display and will not turn on when power button is pushed, the thermostat could be wired incorrectly. Click here for more details.

What gauge wire should be used for the SIT-6E?


12 AWG or 18 AWG should be used depending on the distance from the controller. Click “Read More” for details. 

What gauge wire should be used for the GIT-1?


12 AWG or 18 AWG depending on the distance from the controller. Click “Read More” for details.

What gauge wire should be used for the CIT-1?


12 AWG or 18 AWG depending on the distance from the controller. Click “Read More” for details.

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