Ponast KP 21 - 14 Boilers Series Kp X0, Kp X1 Technical Data

Automatic boiler for pellets – User manual
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14 BOILERS SERIES KP X0, KP X1 TECHNICAL DATA
Table number 2 - Thermally - technical parameters
Parameter Unit KP 10 KP 20 KP 50 KP 11 KP 21 KP 51
Rated output kW 14,9 25 48 17 29 45
Output range kW 4,5 - 14,9 7,5 - 25 13 - 48 5 - 17 8 - 29 13,5 - 45
Fuel consumption kg x hr.
-1
~1,25 - 3,7 ~1,81 - 6,25 ~3,9 - 12,9 ~1,3 - 4,0 ~2,0 - 6,8 ~3,7 - 12,5
Efficiency at maximum output % 86 91,1 92,2 91
Efficiency at minimum output % 85,2 90 91 89,2
Combustion products temperature °C 155 - 207 133 - 176 108 - 159 139 - 183
Boiler grade 3
Burning duration - min/nominal output
- 400 bin hr. 214 - 72 148 - 43 69 - 21 206 - 67 134 - 39 72 - 21
Burning duration - min/nominal output
- 700 : bin hr. 375 - 127 259 - 75 120 - 36 361 - 117 235 - 69 127 - 38
Table number 3 - Solid impurities in combustion products
Parameter
Unit KP 10 KP 20 KP 50 KP 11 KP 21 KP 51
Average flow of solid impurities
at the rated output
g/hr 1,1 1,9 1,3 0,6 1 1
A
verage mean value of solid impurities in
dry air at rated output and standard
conditions
mg/m
3
22,3 37,2 20,4 21 35 20
Combustion product flow rate at the
output - at the rated output
kg/sec 0,010 0,017 0,029 0,011 0,017 0,028
Combustion product flow rate at the
output - at the minimum output
kg/sec 0,005 0,009 0,011 0,005 0,006 0,011
Table number 4 - Technical parameters
Parameter Unit KP 10 KP 20 KP 50 KP 11 KP 21 KP 51
Weight kg 210 270 490 255 335 495
Content of water L 55 70 105 55 70 105
Chimney diameter mm 130 150 160 130 150 160
Service pipes: heating and return water Js G 1 1/2"
Heating surface m
2
1,8 2,1 2,4 1,8 2,1 2,4
Dimensions (W x L) mm 360x1065 497x1065 745x1285 477x 980 614x980 745x1285
Dimensions (H) mm 1420 1420 1630 1435 1435 1630
Operating overpressure of water bar up to 2.5
Hydraulic loss ∆T 10 K mbar 4,1
Hydraulic loss ∆T 20 K mbar 1,9
Required draught mbar 0,1 - 0,2
Recommended heating water working
temperature °C 60 - 80
Minimum input water temperature °C 55
Table number 5 - Electric parameters
Parameter Unit KP 10 KP 20 KP 50 KP 11 KP 21 KP 51
Connecting voltage 230 V AC ± 10%, 50 Hz ± 2 Hz
Electric power input (2 motors, ventilator) W 180 210 180 210 210
Electric protection of the control unit --- IP 65
Boiler wiring system's electric protection --- IP 20
 Note: All boiler types can be supplied in KP xyE variation - Electric tempering - i.e. the boiler is supplied with
electric coils for heating system tempering to prevent the heating system from freezing up.