Sime DUETTO 20 OFi, Manual

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67
1.3 TECHNICAL FEATURES
SOLO 20 OF SOLO 30 OF/BF SOLO 40-PR 40 OF/BF
Heat output minimum-maximum* kW 18.9-23.5 (20.7) 24.5-31.3 (27.5) 32.5-40.0 (35.2)
kcal/h 16,300-20,200 21,100-26,900 28,000-34,400
kcal/h (17,800) (23,700) (30,300)
Heat input minimum-maximum* kW 21.1-26.2 (23.0) 27.2-34.8 (30.6) 36.0-44.3 (39.0)
kcal/h 18,100-22,500 23,400-29,900 31,000-38,100
kcal/h (19,800) (26,300) (33,500)
Type B
23
B
23
B
23
Elements n° 3 4 5
Maximum water head bar 4 4 4
Water content l 18 22 26
Expansion vessel
Water content/Preloading pressure l/bar 10/1 10/1 10/1
Loss of head smoke
Minimum-Maximum mbar 0.05-0.11 0.12-0.16 0.15-0.21
Combustion chamber pressure ** mbar – 0.02 – 0.02 – 0.05
Suggested chimney depression **
Minimum-Maximum mbar 0.07-0.13 0.14-0.18 0.17-0.23
Smoke temperature minimum-max. °C 160-185 160-185 160-185
Smoke flow minimum-max.* m 3 n/h 24.0-31.6 (26.4) 32.4-41.4 (35.9) 42.9-52.8 (46.3)
CO
2
% 12.5 12.5 12.5
Maximum temperature °C 95 95 95
Power consumption “OF/BF” W 220 200/230 180-235/210
Adjustment range heating °C 45÷85 45÷85 45÷85
D.H.W. production
D.H.W. flow rate EN 625 l/min – – –
Contin. D.H.W. flow rate
∆
t 30°C l/h – – –
Minimum D.H.W. flow rate l/min – – –
D.H.W. tank maximum water head bar – – –
Gas-oil burner ***
Burner nozzle * 0.50-0.60 60°W 0.60-0.75 60°W 0.75-0.85 60°W
(0,50 60°W) (0.65 60°W) (0.85 60°W)
Pump pressure min.-max. * bar 12-12 (14) 14-14 (14) 14-14 (12)
Shutter position min.-max. for “OF” vers.* 3.2-3.7 (3.4) 3.0-5.2 (4.1) 5.0-6.2 (5.3)
Shutter position min.-max. for “BF” vers.*:
coaxial exhaust ø 80/125 – 1.7-4.1 (4.0) 1.8-3.6 (2.4)
separate flues ø 80 – 1,0-2,0 –
Diaphragm position for “BF” vers.*:
coaxial exhaust ø 80/125 – D-G (D) –
separate flues ø 80 – M –
Weight kg 112 137 162
* The date shown between the brackets refer to the factory settings
** For “OF” versions only
*** After changing the calibration values of the burner, always check the C0
2
values.