Riello 20187643, Installer And User Manual

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ENGLISH
EN
14 TECHNICAL DATA
DESCRIPTION UM
FAMILY
25 IS 35 IS
G20 G31 G20 G31
CH Rated heat input kW-kcal/h 20,00 (****)-17.200 32,00-27.520
Nominal heat output (80°/60°) kW-kcal/h 19,50-16.770 31,23-26.860
Nominal heat output (50°/30°) kW-kcal/h 21,32-18.335 34,37-29.556
Reduced heat input kW-kcal/h 3,60-3.096 5,00-4.300 4,90-4.214 7,00-6.020
Reduced heat output (80°/60°) kW-kcal/h 3,46-2,975 4,82-4.145 4,69-4.037 6,75-5.803
Reduced heat output (50°/30°) kW-kcal/h 3,85-3.313 5,25-4.511 5,06-4.353 7,15-6.152
DHW Rated heat input kW-kcal/h 25,00 (****)-21.500 34,60-29.756
Nominal heat output (*) kW-kcal/h 26,25-22.575 36,33-31.244
Reduced heat input kW-kcal/h 3,60-3.096 5,00-4.300 4,90-4.214 7,00-6.020
Reduced heat output (*) kW-kcal/h 3,28-2.821 5,00-4.300 4,54-3.904 7,00-6.020
Useful efficiency Pn max - Pn min (80°/60°) % 97,5 - 96,1 97,6 - 95,8
Combustion efficiency % 97,8 97,8
Useful efficiency Pn max - Pn min (50°/30°) % 106,6 - 107,0 107,4 - 103,3
Useful efficiency 30% Pn max (30° return) % 109,1 109,5
Overall electric output (maximum CH-DHW output) W 88 - 98 101 - 112
Circulator electric power (1.000 l/h) W 52 52
Category ● Country of destination
II2H3P ● (+)
II2HY203P ● (+)
II2H3P ● (+)
II2HY203P ● (+)
Voltage supply V - Hz 230-50 230-50
Protection level IP X5D X5D
Stop loss W 30 26
Losses at the flue with burner off - burner on % 0,09 - 2,20 0,05 - 2,23
Heating operation
Maximum pressure - temperature bar - °C 3 - 90 3 - 90
Minimum pressure for standard operation bar 0,25 ÷ 0,45 0,25 ÷ 0,45
Selection field of heating water temperature °C 20/45 ÷ 40/80 20/45 ÷ 40/80
Pump: maximum head available mbar 410 410
for system capacity l/h 1.000 1.000
Membrane expansion tank l 10 10
Expansion tank pre-loading (heating) bar 1 1
Gas pressure G20 G20.2 G31 G20 G20.2 G31
Nominal methane gas pressure (G20 - I2H) mbar 20 - - 20 - -
Nominal methane-hydrogen gas pressure (G20.2 - I2Y20) mbar - 20 - - 20 -
Nominal liquid gas LPG pressure (G31 - I3P) mbar - - 37 - - 37
Central heating capacity
Air capacity Nm
3
/h 24,298 24,819 38,876 39,710
Flue gas capacity Nm
3
/h 26,304 26,370 42,086 42,192
Mass flue gas flow rate (max-min) g/s 9,086-1,635 9,297-2,324 14,537-2,226 14,875-3,254
Domestic hot water capacity
Air capacity Nm
3
/h 30,372 31,024 42,035 42,937
Flue gas capacity Nm
3
/h 32,880 32,963 45,506 45,620
Mass flue gas flow rate (max-min) g/s 11,357-1,635 11,621-2,324 15,718-2,226 16,084-3,254
Fan performance
Residual discharge head of concentric pipes 0.85 m Pa 60 60
Residual discharge head of separate pipes 0.5 m Pa 174 190
Residual discharge head of boiler without pipes Pa 180 195
NOx class 6 class 6
Emission values at maximum and minimum output (**)
Max-Min
CO s.a. less than p.p.m. 130-10 130-10 170-10 160-10
CO2 (***) % 9,0-9,0 10,0-10,0 9,0-9,0 10,0-10,0
NOx s.a. lower than p.p.m. 30-30 30-30 50-25 50-40
T flue gases °C 69-63 68-62 64-65 67-63
(*) average value between various hot water operation conditions - (**) Check performed with concentric pipe Ø 60-100, length 0.85 m. - water temperature 80-60°C.- (***) tolerance CO2 +0.6% -1% -
(****) The rated heat input with gas G20.2 (I2Y20) undergoes a reduction: Rated heat input heating = 18,9kW; Rated heat input DHW = 23,1kW
The data indicated must not be used to certify the system; for certification, use the data indicated in the “System handbook” measured during first ignition.
(+) The installation of this product is allowed only in the destination Countries contained in the data plate, regardless of the present translation language.
b
DHW functions refer only if a water tank is connected (accessory available on request)