Riello 20187643, Installer And User Manual

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FAMILY
28
ADDED DEVICE Class Bonus
EXTERNAL PROBE II 2%
OT CONTROL PANEL* (°) V 3%
EXTERNAL PROBE + OT CONTROL PANEL* VI 4%
NOTE (if connected to the boiler the external probe or OT remote control or both devices):
With reference to Delegated Regulation (EU) No. 811/2013, the data in the table can be used for completing the product card and the labelling for ambient heating appliances, for mixed
heating appliances, for assemblies of appliances for ambient heating, and for temperature control devices and solar devices:
(*) Set as room thermostat - (°) Factory supplied configuration
PARAMETERS UM
FAMILY
G20 G31
Lower Wobbe index (at 15°C-1013 mbar) MJ/m³S 45,67 70,69
Net Calorific Value MJ/m³S 34,02 88
Supply nominal pressure mbar (mm H2O) 20 (203,9) 37 (377,3)
Supply minimum pressure mbar (mm H2O) 10 (102,0) -
PARAMETERS
25 IS 35 IS
G20 G31 G20 G31
Burner: diameter/length mm 70/86 70/86 70/125 70/125
Diaphragm: number and diameter holes n° - mm 1 - 4,3 1 - 4,3 1 - 5,2 1 - 5,2
CH maximum gas capacity
Sm³/h 2,12 - 3,38 -
kg/h - 1,55 - 2,48
DHW maximum gas capacity
Sm³/h 2,64 - 3,66 -
kg/h - 1,94 - 2,69
CH minimum gas capacity
Sm³/h 0,38 - 0,52 -
kg/h - 0,39 - 0,54
DHW minimum gas capacity
Sm³/h 0,38 - 0,52 -
kg/h - 0,39 - 0,54
Number of fan rotations with slow ignition rpm 5.500 5.500 5.500 5.500
Maximum number of CH fan rotations rpm 6.200 6.000 7.300 7.200
Maximum number of DHW fan rotations rpm 7.600 7.400 7.800 7.800
Minimum number of CH/DHW fan rotations rpm 1.600 2.000 1.700 1.900
Max n° of DHW fan rotations in C(10) configuration (Ø60-100 ● Ø80-125 ● Ø80) rpm 7.600 - - -
Max n° of DHW fan rotations in C(10) configuration (Ø60-100) rpm - - 8.200 -
Max n° of DHW fan rotations in C(10) configuration (Ø80-125 ● Ø80) rpm - - 7.800 -
Min n° of CH/DHW fan rotations in C(10) configuration (Ø60-100 ● Ø80-125 ● Ø80) rpm 1.600 - - -
Min n° of CH/DHW fan rotations in C(10) configuration (Ø60-100) rpm - - 1.800 -
Min n° of CH/DHW fan rotations in C(10) configuration (Ø80-125 ● Ø80) rpm - - 1.700 -
15 ErP DATA
Parameter Symbol FAMILY
25 IS
FAMILY
35 IS
Unit
Seasonal space heating energy efficiency class - A A -
Water heating energy efficiency class - - - -
Rated heat output Pnominal 20 31 kW
Seasonal space heating energy efficiency ηs 93 94 %
Useful heat output
At rated heat output and high-temperature regime (*) P4 19,5 31,2 kW
At 30% of rated heat output and low-temperature regime (**) P1 6,5 10,5 kW
Useful efficiency
At rated heat output and high-temperature regime (*) η4 87,8 87,9 %
At 30% of rated heat output and low-temperature regime (**) η1 98,3 98,6 %
Auxiliary electricity consumption
At full load elmax 27,0 49,0 W
At part load elmin 13,0 13,0 W
In Stand-by mode PSB 3,0 3,0 W
Other parameters
Stand-by heat loss Pstby 30,2 26,0 W
Pilot flame energy consumption Pign - - W
Annual energy consumption QHE 60 96 GJ
Sound power level, indoors LWA 50 54 dB
Emissions of nitrogen oxides NOx 46 38 mg/kWh
For combination heaters
Declared load profile - -
Water heating energy efficiency ηwh - - %
Daily electricity consumption Qelec - - kWh
Daily fuel consumption Qfuel - - kWh
Annual electricity consumption AEC - - kWh
Annual fuel consumption AFC - - GJ
(*) High-temperature regime means 60 °C return temperature at heater inlet and 80 °C feed temperature at heater outlet.
(**) Low temperature means for condensing boilers 30 °C, for low-temperature boilers 37 °C and for other heaters 50 °C return temperature (at heater inlet).
b
DHW functions refer only if a water tank is connected (accessory available on request)