16
CIAO GREEN C.S.I.
Multigas table
DESCRIPTION
CIAO GREEN 25 C.S.I. CIAO GREEN 29 C.S.I.
Boiler dimensions
Height mm 715 715
Width mm 405 405
Depth of housing mm 250 250
Boiler weight kg 27 28
Flow rate (G20)
Air capacity Nm
3/
h 24,908 31,135 31,135 36,116
Flue gas capacity Nm
3
/h 26,914 33,642 33,642 39,025
Mass ow of ue gas (max-min) gr/s 9,025-2,140 11,282-2,140 11,282-2,568 13,087-2,568
Flow rate (G31)
Air capacity Nm
3/
h 24,192 30,240 30,240 35,078
Flue gas capacity Nm
3
/h 24,267 31,209 31,209 36,203
Mass ow of ue gas (max-min) gr/s 8,410-2,103 10,513-2,103 10,513-2,523 12,195-2,523
Fan performance
Residual head of concentric pipes 0.85m Pa 30 25
Residual head of separate pipes 0.5m Pa 90 100
Residual head of boiler without pipes Pa 100 110
Concentric ue gas discharge pipes
Diameter mm 60-100 60-100
Maximum length m 5,85 4,85
Drop due to insertion of a 45°/90° bend m 1,3/1,6 1,3/1,6
Hole in wall (diameter) mm 105 105
Concentric ue gas discharge pipes
Diameter mm 80-125 80-125
Maximum length m 15,3 12,8
Losses for a 45°/90° bend m 1/1,5 1/1,5
Hole in wall (diameter) mm 130 130
Separate ue gas discharge pipes
Diameter mm 80 80
Maximum length m 45+45 40+40
Losses for a 45°/90° bend m 1/1,5 1/1,5
Installation B23P–B53P
Diameter mm 80 80
Maximum length of drainage pipe m 70 65
NOx class class 5 class 5
Emission values at max. and min. rate of gas G20*
Maximum - Minimum CO s.a. less than ppm 180 - 20 160 - 20
CO
2
% 9,0 - 9,5 9,0 - 9,5
NOx s.a. lower than ppm 30 - 20 35 - 25
Flue gas temperature °C 65 - 58 63 - 58
* Check performed with concentric pipe ø 60-100, length 0.85m - water temperature 80-60°C
DESCRIPTION Methane gas (G20) Propane (G31)
Lower Wobbe index (at 15°C-1013 mbar) MJ/m
3
S 45,67 70,69
Net Caloric Value MJ/m
3
S 34,02 88
Supply nominal pressure mbar (mm W.C.) 20 (203,9) 37 (377,3)
Supply minimum pressure mbar (mm W.C.) 10 (102,0)
Diaphragm (number of holes) Number 1 1
25 C.S.I. 29 C.S.I. 25 C.S.I. 29 C.S.I.
Diaphragm (diameter of holes) mm 4,8 5,1 3,8 3,9
Silencer diaphragm (diameter) mm 31 - 27 29
CH maximum gas capacity Sm
3
/h 2,12 2,64
kg/h 1,55 1,94
DHW maximum gas capacity Sm
3
/h 2,64 3,07
kg/h 1,94 2,25
CH minimum gas capacity Sm
3
/h 0,53 0,63
kg/h 0,39 0,47
DHW minimum gas capacity Sm
3
/h 0,53 0,63
kg/h 0,39 0,47
Number of fan rotations with slow switch-on rpm 4.000 4.000 4.000 4.000
Maximum number of fan rotations (CH) rpm 4.900 5.300 4.900 5.200
Maximum number of fan rotations (DHW) rpm 6.100 6.200 6.100 6.000
Minimum number of fan rotations (CH) rpm 1.400 1.400 1.400 1.400
Minimum number of fan rotations (DHW) rpm 1.400 1.400 1.400 1.400