FIRŠT ROTOTERM MR-TR "Plus" is weather compensating central heating controller. It is designed to regulate the radiator or underfloor heating.
| Code | TYPE | Description |
| 21128 | ROTOTERM MR-TR ''Plus'' | Heating controller MR-TR, Room unit AS 2000-E, 3 sensors, mounting kit |
| 21131 | ROTOTERM MR-TR | Heating controller MR-TR, 3 sensors, mounting kit |
| Control: | 3-point (P) |
| Supply voltage: | 230VAC, 50Hz |
| Power consumption: | max.4VA |
| Output relay rating: | 1(1)A, 230VAC, 50Hz |
| Room temperature setting range: | 5..25°C |
|
Temperature measuring range:
|
-40°C..+160°C |
| Humidity: | 5%..70% (non condense) |
| Heat curve ratio adjustment: |
0,1..2 |
| Heat curve parallel shift adjustment: |
+/- 10°C |
| Room unit influence (AS/VF): |
1..15 |
| Boiler condensation limit adjustment: |
30..75°C (radiator heating) |
| Underfloor temperature limit adjustment: |
15..35°C (underfloor heat.) |
| Circulation pump switching-off adjustment: |
20..45°C |
| Sensors type: |
KTY 81-210 |
| Room unit: |
AS 2000-E |