Downloads
Download the original MBtek UNI PDF manuals — boiler manual, install guide, TIS Tronic 260U controller manual, controller replacement guide and the specification sheet.
Every page on this site is written from the five documents below — download them if you want the originals on site, offline, or in the installer's hands.
UNI Boiler Manual (PDF)
16 pages. Overview, technical data, delivery contents, safety, chimney requirements, boiler structure, installation, fuel storage, maintenance, fuel properties, warranty, clearances and fire safety ratings.
UNI Install Guide (PDF)
3 pages. MBtek recommended controller settings, sensor placement, 110 V pump wiring, room thermostat, flame bumper, blank screen diagnosis and DZT thermal protection sensors.
TIS Tronic 260U Controller Manual (PDF)
29 pages. Safety, general information, control panel, first launch, operating modes, HUW module, room thermostat, quenching, every parameter, alarms, board diagram, sensors and fuse.
TIS Tronic 260U Replacement Guide (PDF)
2 pages. Five-step procedure for fitting a TIS Tronic 260U in place of an older TIS Tronic 83 on TIS UNI and TIS HARD PLUS 150 boilers.
MBtek Wood Boiler Specifications (PDF)
The current comparison chart for the whole range: PRO 11 and 30, UNI 15, 40, 60, 95, 150, 300, 500 and 1000.
Which document covers what
| Topic | Document | Covered here |
|---|---|---|
| Specifications and the model range | Specification sheet | Specifications |
| Boiler structure and components | Boiler manual §6 | How it works |
| Safety, pressures and temperatures | Boiler manual §4, §9 | Safety |
| Chimney | Boiler manual §5 | Chimney requirements |
| Hydronic installation | Boiler manual §7, §8 | System design |
| Water quality | Boiler manual §7.1 | Filling |
| Clearances | Boiler manual clearance addendum | Boiler room |
| Fuel properties | Boiler manual §10 | Fuel |
| Warranty | Boiler manual §12 | Warranty |
| Recommended controller settings | Install guide p1 | Recommended settings |
| Sensor placement and pump wiring | Install guide p2 | Electrical, Pump wiring |
| Troubleshooting quick fixes | Install guide p3 | Common problems |
| Controller operation and parameters | Controller manual | TIS Tronic 260U |
| Controller retrofit | Replacement guide | Mounting the controller |
Machine-readable versions
This documentation is also published in formats built for AI answer engines and scripts.
| Format | URL |
|---|---|
| Site index for LLMs | /llms.txt |
| Full text for LLMs | /llms-full.txt |
| Markdown of any page | append /content.md under /llms.mdx/docs/… |
| Sitemap | /sitemap.xml |
Each documentation page also has a Copy Markdown button in its header.
NextParameter referenceEvery controller parameter with its range, default and MBtek value.
Alarm codes
Complete TIS Tronic 260U alarm list with causes and resolutions — sensor errors, HUW overheating, lack of fuel, failed fire-up, emergency temperature and STB.
Parameter reference
Every TIS Tronic 260U parameter in one table — menu location, range, factory default and the MBtek recommended value for the UNI 60.

