Riello Tregi 3/100 NK, Инструкция по установке, эксплуатации, обслуживанию и управлению системой

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GENERAL 16
b
The stack must guarantee the minimum draught specified by applicable technical standards, assuming zero pres-
sure at the connection to the flue gas exhaust.
b
Values obtained with r GULLIVER RG burners with CO
2
= 12,5% and GULLIVER BS burners with CO
2
= 9,5%.
DESCRIPTION
MODEL
g
NK
3/100 4/100 5/100 6/100 7/100 8/100 3/60 4/60
Fuel Gas / oil
Heat input at furnace
Minimum 16,3 27,2 36,0 46,1 55,0 63,0 16,3 27,2 kW
Maximum 26,5 34,8 44,3 53,1 62,0 70,0 26,5 34,8 kW
Rated useful heat output Pn
Minimum 14,9 25,0 33,0 42,3 50,0 57,6 14,9 25,0 kW
Maximum 23,9 31,5 40,2 48,2 56,2 63,8 23,9 31,5 kW
Useful efficiency at Pn
Minimum 91,4 91,9 91,7 91,8 90,9 91,4 91,4 91,9 %
Maximum 90,2 90,5 90,7 90,8 90,6 91,1 90,2 90,5 %
Useful efficiency at 30% max. Pn 90,9 91,3 91,6 92,0 91,8 92,0 90,9 91,3 %
Constant pressure drop 2,3 1,8 1,3 1,2 1,0 0,9 2,3 1,8 %
Flue gas temperature (∆T) > 140 °C
Maximum flue gas flow rate (gas/oil) 0,010 0,013 0,017 0,020 0,024 0,027 0,010 0,013 Kg/s
CO
2
(gas/oil) 9,5/12,5 %
Furnace pressure
Minimum 0,03 0,12 0,17 0,26 0,33 0,47 0,03 0,12 mbar
Maximum 0,10 0,17 0,26 0,36 0,42 0,60 0,10 0,17 mbar
Furnace volume 16 22 28 34 40 46 16 22 dm
3
Total volume of flue gas side 22 31 39 47 55 63 22 31 dm
3
Total surface area for heat exchange 0,93 1,30 1,67 2,04 2,41 2,78 0,93 1,30 m
2
Volumetric heat load 1656 1582 1582 1562 1550 1522 1656 1582 kW/m
3
Specific heat load 25,7 24,2 24,1 23,6 23,3 22,9 25,7 24,2 kW/m
2
Maximum working pressure 4 bar
Safety thermostat trip temperature 110 °C
Maximum working temperature 82 °C
Minimum admissible water return temperature 35 °C
Pressure drop ∆T 10°C 4 6 10 14 20 26 4 6 mbar
Pressure drop ∆T 20°C 1,2 1,6 2,5 3,5 5,0 7,0 1,2 1,6 mbar
Water capacity 13,7 17,2 20,7 24,2 27,7 31,2 13,7 17,2 l
Turbulators 5 5 2 2 - - 5 5 n°
Index of protection X0D IP
(*) Inlet water temperature 13°C; average outlet temperature 43°C.
- Performance obtained with fill pump at maximum speed.
STORAGE CYLINDER
CHARACTERISTICS
MODEL
g
NK
3/100 4/100 5/100 6/100 7/100 8/100 3/60 4/60
Storage cylinder type Vitrified
Cylinder layout Vertical
Heat exchanger layout Vertical
Power consumption 23,8 31,3 31,3 31,3 31,3 31,3 23,2 30,9 kW
Storage cylinder capacity 100 60 l
Coil water capacity 6,9 6,6 l
Heat exchanger surface area 1,10 1,01 m
2
Domestic hot water production with ∆T 35°C 585 770 770 770 770 770 570 760 l/h
Water draw in 10' with storage cylinder at 48°C (*) 160 170 185 185 185 185 115 125 l
Water draw in 10' with storage cylinder at 60°C (*) 210 230 230 230 230 230 140 150 l
Replenishment time with ∆T 35°C 14 10 11 11 11 11 12 10 min
Maximum working pressure 7 bar 7 bar