Riello TAU 150 UNIT, Installation And Maintenance Manual

Page: 8 / 72

GENERAL 8
TECHNICAL SPECIFICATIONS
(*) Values referred to atmospheric pressure at sea level..
MODELLER UM TAU 150 UNIT TAU 210 UNIT
Device type
condensing boiler for central
heating
B23
Fuel G20-G31
Device category II2H3P
Combustion chamber vertical vertical
Maximum rated heat input at furnace referred to HVC (LCV) kW 166,6 (150) 233,3 (210)
Minimum rated heat input at furnace referred to HVC (LCV) kW 33,3 (30) 46,7 (42)
Useful (rated) heat output kW 149 205
Maximum rated heat output (80-60°C) P4 G20 kW 148,8 205,3
Maximum rated heat output (50-30°C) G20 kW 161,8 224,7
Maximum rated heat output (40-30°C) G20 kW 160,3 225,3
30% heat output with return at 30°C (P1) kW 44,6 61,6
Minimum rated heat output (80-60°C) G20 kW 29,7 41,2
Efficiency at rated heat input in high
temperature mode (HCV)
h
4 Useful Pn (60-80°C) % 89,3 88,0
Efficiency at 30% rated heat input in low
temperature mode (HCV)
h
1 Useful 30% di Pn % 98,3 97,7
Heat loss in standby mode Pstby W 149 205
Losses from stack with burner off % 0,1 0,1
Losses from stack with burner on % 0,5 1,9
Noise level (sound power)
LWA at P max dB(A) 55 60
LWA at P min dB(A) 45 45
Emissions NOx (referred to HCV) mg/kWh 40 45
Emissions at max./min. heat input, G20
CO2 % 9 - 9 9 - 9
CO ppm 3 - 10 6 - 1
Maximum rated heat input (LCV) kW 122,5 167
Minimum rated heat input (LCV) kW 23 36,4
Emissions at max./min. heat input, G25
CO2 % 9 - 9 9,1 - 9
CO ppm 3 - 10 10 - 2
Pressure in combustion chamber mbar 2,7 4,3
Flue gas temperature (50-30°C) °C 66 67
Flue gas mass flow rate (*) Kg/s 0,069 0,098
Water-side pressure drop (Δt 10°C) mbar 28 50
Minimum supply pressure bar 5
Minimum supply pressure bar 1
Safety thermostat trip temperature °C 100
Maximum operating temperature °C 82
Boiler water capacity l 280 260
Turbulators l 62 82
Volume of expansion vessel (CH) l - -
Maximum condensation at 100% rated heat output (50-30°C) l/h 19,8 27,6
Power supply V-Hz 230-50
Electric degree of protection IP X0D
Consumption at full load Elmax W 260 375
Consumption at part load Elmin W 78 112,5
Consumption in standby mode PSB P sb W 15 15