Protherm 20 KLO, Instructions For Use And Installation, Page: 22 / 22

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Technical Parameters of PROTHERM "BEAR" 40 (50, 60) KLO Boilers
Type Unit. 40 KLO 50 KLO 60 KLO
Category II
2H3P
Design
B
11BS
Ignition el. spark
Fuel / input pressure natural gas / 1.8 kPa
LPG / 3.0 kPa
Power output 1
st
/ 2
nd
stage - natural gas kW 35/24.5 44.5/31 49.5
- LPG kW 33/23 42/29 48
Power input 1
st
/ 2
nd
stage - natural gas kW 38.5/27 49/34.2 54.7
- LPG kW 36.5/25.4 46.6/32 53
Consumption 1
st
/ 2
nd
stage - natural gas* m
3
/hour 4.1/2.9 5.2/3.7 5.8
- LPG* kg/hour 3.2/2.2 4.2/2.9 5
Burner nozzle diameter - natural gas mm 2.65
- LPG mm 1.7
Elements of body pieces 5 6 7
Number of burner tubes pieces 4 5 6
Flue gas removal - manner to chimney to chimney to chimney
- diam. outlet mm 150 180 180
Min. required draft in chimney Pa 2
Flue gas temperature - natural gas °C ~ 100
- LPG °C ~ 95
Weight flowrate – flue gas g/s 26.6 33.8 41.5
Efficiency - natural gas % 90 – 92
- LPG % 89 – 91
Water volume in boiler body l 14.1 16.6 19.1
Max. operational temperature °C 90
Max. operational pressure kPa 400
Gas connection branch G 3/4"
Heating water connection branch G 1"
Pressure loss at Delta t 20 °C kPa 0,58 0.72 0.88
El. voltage / frequency V/Hz 230 / 50
El. protection class IP 40
Noise level dB up to 55
El. power input (without pump
and three-way valve)
W 20
Dimensions - width mm 505 590 675
- height mm 880 880 880
- depth mm 600 620 620
Weight (without water) kg 130 150 170
* Fuel consumption re-calculated according to the
Č
SN EN 297 Standard (at 15 °C)
Comment: 100 kPa corresponds to 1 bar
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