16
(*) average value between various hot water operation conditions
(**) check performed with concentric pipe Ø 60-100, length 0,85 m. - water termperature 80-60°C.
The data indicated must not be used to certify the system; for certifi cation, use tha data indicated in the "System handbook" measured during fi rst ignition.
(+) The installation of this product is allowed only in the destination Countries contained in the data plate, regardless of the present translation language.
DESCRIPTION UM CIAO AT 25C
Output (G31)
Air capacity Nm
3
/h 36,564
Flue gas capacity Nm
3
/h 38,503
Mass fl ue gas fl ow rate (max-min) g/s 13,602 - 6,039
Fan performance
Residual discharge head of concentric pipes 0.85 m Pa 25
Residual discharge head of separate pipes 0.5 m Pa 75
Residual discharge head of boiler without pipes and without fl ange Pa 95
Concentric fl ue gas outlet pipes
Diameter mm 60-100
Maximum length (without fl ange) m 3,5
Losses for a 45°/90° bend m 1,3/1,6
Hole in wall (diameter) mm 105
Diameter mm 80-125
Maximum length (without fl ange) m9
Losses for a 45°/90° bend m 1/1,5
Hole in wall (diameter) mm 130
Twin fl ue gas outlet pipes
Diameter mm 80
Maximum length m 14 + 14
Losses for a 45°/90° bend m 1/1,5
Forced open installation B22P-B52P
Diameter mm 80
Maximum length m14
Nox class 6
Emission values at maximum and minimum output (**) G20 G31
Maximum CO s.a. less than p.p.m. 180 220
CO2 % 7,5 8,4
NOx s.a. lower than p.p.m. 50 65
T fl ue gases °C 78 81
Minimum CO s.a. less than p.p.m. 80 80
CO2 % 5,0 5,5
NOx s.a. lower than p.p.m. 20 25
T fl ue gases °C 60 62
PARAMETERS UM
CIAO AT 25C
METHANE GAS
(G20)
LPG
(G31)
Lower Wobbe index (at 15°C-1013 mbar)
MJ/Sm³ 45,67 70,69
Net Calorifi c Value
MJ/Sm³ 34,02 88
Supply nominal pressure
mbar (mm H2O) 20 (203,9) 37 (377,3)
Minimum supply pressure
mbar (mm H2O) 10 (102,0) -
Burner: number of nozzles n°
24 24
Burner: nozzles diameter
Ø 0,85 0,52
CH maximum gas capacity
Sm³/h 2,64 -
kg/h - 1,94
DHW maximum gas capacity
Sm³/h 2,64 -
kg/h - 1,94
CH minimum gas capacity
Sm³/h 0,79 -
kg/h - 0,58
DHW minimum gas capacity
Sm³/h 0,79 -
kg/h - 0,58
CH maximum pressure downstream valve
mbar 14,20 35,00
mm H
2O 144,80 356,90
DHW maximum pressure downstream valve
mbar 14,20 35,00
mm H
2O 144,80 356,90
CH minimum pressure downstream valve
mbar 1,50 3,70
mm H
2O 15,30 37,73
DHW minimum pressure downstream valve
mbar 1,50 3,70
mm H
2O 15,30 37,73