This gas direct-flow water heater is designed for water heating for domestic use on a real-time basis. Ease of use is provided by direct firing of a gas burner when you open the hot water tap, the multistage monitoring system of water heater functioning ensures full safety of its operation.
MR11-N is a small-size water-heater and does not require connection to the chimney (under the conditions and observance of rules of installation for this type of gas equipment)
| Model | MR11-N |
| Rated power, kW | 11 |
| Nominal output in kW | 9,9 |
| Efficiency,%, not less | 84 |
| Type of gas | natural G20 or liquefied G30 |
| Nominal gas pressure, kPa | 1,3-2,0 |
| Nominal gas pressure, liquid (G30, 3rd family, group B / R), kPa: | 2,9 |
| Rated gas consumption, natural, m3/h | 1,18 |
| Nominal gas flow rate, liquid, kg/h | 0,92 |
| Minimum flow rate for ignition, l/min | 2,5 |
| The maximum water pressure, Mpa | 0,8 |
| Minimum water pressure, Mpa | 0,025 |
| Water consumption during heating on ΔT = 25 ° C, l/min | 5,5 |
| Water consumption during heating at ΔT = 40 ° C, l/min | 3,44 |
| The required vacuum in the chimney, however, Pa | not applicable |
| The required vacuum in the chimney, not more than, Pa | not applicable |
| The average temperature of the combustion products, ° C | 150 |
| The minimum allowable gas inlet pressure when operating the apparatus, kPa | 0,9 |
| Type ignition device | automatic electronic |
| Number of burner nozzles, pcs. | 6 |
| The diameter of the burner nozzle, mm: | |
| natural gas, 1.3 kPa (130 mm of water.). | 1,16 |
| LPG, 2.9 kPa (300 mm of water.). | 0,73 |
| The diameter of the flue pipe, mm | - |
| The type and number of elements voltage, V | LR 20 2x1.5 |
| Overall dimensions, mm | |
| Height | 370 |
| Width | 290 |
| Depth | 115 |
| Weight (Net / Gross) kg | 4,3/5,1 |
The heat exchanger weight - 1,1 kg