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INTIEL Controllers DT 3.1 Programmable Differential Thermostat User Guide
INTIEL
THE ELECTRONICS ON YOUR SIDE
PROGRAMMABLE CONTROLLER FOR SOLAR SYSTEMS
DT 3.1
USER'S GUIDE
INTIEL LTD
10, str. Major Kolontaevski
8200 Pomorie
e-mail: office.intiel@gmail.com
e-mail: info@intiel.com
| General | Details |
|---|---|
| Name | INTIEL Controllers DT 3.1 Programmable Differential Thermostat User Guide |
| Make | INTIEL Controllers |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.22 MB |

Intiel DT 3.1 Differential Manual: Questions and Answers
Intiel DT 3.1 Differential specifications
| Power supply | ~230V/50-60Hz |
| Display range | -30° to +130 °C |
| Sensor | Pt1000 (-50° to +250 °C) |
| Operating temperature | 5° - 35 °C |
| IP rating | IP 20 |
What's the difference between Normal mode and Vacation mode on the Intiel DT?
Normal mode heats the boiler to the set temperature. Vacation mode sets boiler temperature to 40 °C and activates only to prevent panel overheating. User Guide, p. 5
Why does the Intiel DT show 'tHi' on the display and won't respond?
One or more measured temperatures have exceeded +130 °C.
- Check solar panel sensor for malfunction or disconnection
- Check boiler sensor for malfunction or disconnection
- Verify both sensors are Pt1000 type and properly wired to terminals 8, 9 (solar) and 10, 11 (boiler) User Guide, p. 8
How do I connect the solar panel and boiler sensors?
Both sensors are Pt1000 type and non-polar. Connect the solar panel sensor to terminals 8 and 9. Connect the boiler sensor to terminals 10 and 11. Sensor cables can be extended up to 100 m without affecting measurement. User Guide, p. 8
























