Viessmann VITOFLEX 300-RF, Техническое руководство

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2.2 Specification
Specification
Rated heating output kW 390 530 720 950 1250
Min. heat transfer kW 117 159 216 285 375
Fuel efficiency kW 424 576 783 1033 1359
Performance data
Rated heating output with standard fuel M45
*1 kW 390 530 720 950 1250
Rated constant heating output with standard
fuel M45
*2
kW 370 503 648 855 1125
Minimum heating output Q
min
*3 kW 117 159 216 285 375
Heating data
Flow temperature
– Permissible *4
(safety temperature)
°C 100 100 100 100 100
– Maximum *5 °C 95 95 95 95 95
– Minimum *5 °C 75 75 75 75 75
Minimum return temperature °C 65 65 65 65 65
Permiss. operating pressure
Boiler bar 6 6 6 6 6
MPa 0.6 0.6 0.6 0.6 0.6
Test pressure bar 8.6 8.6 8.6 8.6 8.6
MPa 0.86 0.86 0.86 0.86 0.86
Safety heat exchanger bar 3 - 6 3 - 6 3 - 6 3 - 6 3 - 6
MPa 0.3 - 0.6 0.3 - 0.6 0.3 - 0.6 0.3 - 0.6 0.3 - 0.6
Thermally activated safety valve l/h - - - - -
Water flow rate
Flow rate (10 K diff.) m³/h 33.54 45.58 61.92 81.70 107.50
Flow rate (15 K diff.) m³/h 22.36 30.39 41.28 54.47 71.67
Flow rate (20 K diff.) m³/h 16.77 22.79 30.96 40.85 53.75
Pressure drop on the water side
Pressure drop on the water side (10 K diff.) Pa 2314 4274 7888 5844 10118
Pressure drop on the water side (15 K diff.) Pa 1029 1900 3506 2597 4497
Pressure drop on the water side (20 K diff.) Pa 579 1069 1972 1461 2529
Heating surface
m
2 25.44 33.88 49.47 66.75 79.04
Total dimensions
Total length mm 4370 4870 5257 5447 5992
Total width (boiler) mm 1274 1247 1380 1612 1612
Total width (boiler with feed screw conveyor) mm 2382 2382 2488 2852 2852
Total height (boiler) mm 2378 2536 2834 3035 3230
Total height (boiler with flue gas fan) mm 3186 3186 3378 3452 3717
Weight
Boiler kg 1680 2707 3291 4874 5563
Combustion block kg 2970 4238 4953 5779 6520
Displacer rods kg - - 394 538 538
Flue gas fan kg 60 62 78 82 107
Feed screw conveyor kg 153 153 153 190 190
Total dry weight kg 4863 7160 8869 11463 12919
Total wet weight kg 6076 8604 10730 13406 15400
Capacity
Boiler water l 1213 1444 1861 1943 2482
Content on hot gas side l 1540 2280 2830 4050 5210
Ash box, grate ash l 240 240 240 240 240
Ash box, flue gas dust extractor l 240 240 240 240 240
*1 When the boiler and combustion chamber have been cleaned and the boiler is equipped with pneumatic boiler cleaning.
*2 Levelled output when boiler is used as base load boiler in continuous operation, equipped with pneumatic boiler cleaning and a runtime
(time between 2 boiler cleaning operations) of 600 hours
*3 Q ≥ Q
min
: Output operation modulating control (variable output control)
Q ≤ Q
min
: Low load with ON Q
min
/ OFF (stop and go operation)
*4 Shutdown temperature of the high limit safety cut-out
*5 Temperature adjustable at the control unit
Vitoflex 300-UF
(cont.)
14
Viesmann
VITOFLEX 300-UF
2
5682428