Dimplex DWT431W Non-Programmable Thermostat 4000W Owner’s Manual
| General | Details |
|---|---|
| Name | Dimplex DWT431W Non-Programmable Thermostat 4000W Owner’s Manual |
| Make | Dimplex |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.22 MB |



Dimplex DWT431W Manual: Questions and Answers
Can the Dimplex DWT431W handle 120V electrical service?
Yes. The thermostat is rated 120V~240V AC, 60Hz and delivers up to 2000W at 120V. Owner's Manual, p. 2
What's the difference between Cr-0, Cr-1, and Cr-2 cycle rates on the Dimplex DWT431W?
Cr-0 is fixed span with no cycling. Cr-1 cycles every 20 seconds with proportional heating. Cr-2 cycles every 240 seconds.
| Cycle Rate | Behavior |
|---|---|
| Cr-0 | Fixed span, no cycling, full power |
| Cr-1 | 20 second cycle, proportional heating |
| Cr-2 | 240 second cycle |
What do the UP and DOWN buttons do on the Dimplex DWT431W?
UP button adjusts temperature higher or toggles settings. DOWN button adjusts temperature lower or toggles settings.
| Button | Function |
|---|---|
| UP | Increase temperature or toggle through options |
| DOWN | Decrease temperature or toggle through options |
How do I change the temperature display from Celsius to Fahrenheit on the Dimplex DWT431W?
Press UP and DOWN buttons together for 3 seconds to enter settings mode, then press UP to toggle between °C and °F.
- Press UP and DOWN buttons simultaneously for 3 seconds.
- Press UP button to toggle between °C or °F display. Owner's Manual, p. 8
What do LCD bottom pane blinking codes mean on Dimplex DWT431W?
The display blinks when no button is pressed for 16 seconds, then returns to current temperature mode. Owner's Manual, p. 12
Why is the Dimplex DWT431W housing feeling warm to the touch?
At full capacity the housing reaches approximately 45°C to 50°C (113°F to 122°F), which is normal operation and doesn't affect performance. Owner's Manual, p. 12
Why won't temperature settings change on Dimplex DWT431W?
Ensure the temperature is set within the acceptable range of 5°C to 35°C (41°F to 95°F). Owner's Manual, p. 12
What's the electrical load range for Dimplex DWT431W?
Minimum 300W. The product works with high voltage systems rated 120V to 240V. Owner's Manual, p. 4
Thermostat won't turn on after installation, what should I check?
- Heating appliance must be within the specified 300W minimum load range.
- Voltage must be within the device rating of 120V to 240V.
- All connections must be securely fastened with no bare wire exposed.
- Copper conductors only must be used for wiring. Owner's Manual, p. 4

























