User guide

17
15/10/2009 - 300017555-001-C SGC 24 SOL
7. Technical characteristics
7 Technical characteristics
Boiler SGC 24 SOL
General Useful output 50 / 30 °C
(heating and DHW modes)
Nominal output kW 23.7
Minimum output
kW 6.0
Useful output 80 / 60 °C
(heating and DHW modes)
Nominal output kW 22.0
Minimum output kW 5.7
Power input
(heating and DHW modes)
Nominal output kW 22.8
Minimum output kW 5.9
Operating efficiency 80 / 60 °C (4) % 107.8
40 / 30 °C (4) % 110.1
Load and water temperature efficiency 100% Pn, Average temperature 70 °C % 96.8
30% Pn,Return temperature 30 °C % 110
Gas flow rate at Pn (15 °C- 1013 mbar) Natural gas H (G20)
m
3
/h
2.41
Natural gas L (G25)
m
3
/h
2.80
Gas flow rate at Pn Butane (G30) Kg/h 1.79
Maximum temperature (Safety thermostat cut-off) °C 110
Characteristics of the heating
circuit
Nominal water flow (
∆T = 20 K) l/h 1000
Rated net head (1000 l/h) mCE 1
Flow temperature °C 30 - 90
Maximum pressure bar 3
Expansion vessel l 12
Initial pressure of the expansion vessel bar 0.75
Minimum operating pressure bar 0.3
Characteristics of the
domestic hot water circuit
Specific flow at ∆T = 30K (2) (3) l/min 19
Flow per hour at ∆T = 35K (1) (3) l/h 560
Flow in 10 min at ∆T = 30K (2) (3) l/10 mm 190
Double coil hot water tank Water content Top up volume Aux V l 100
Solar volume Sun V l 100
Max operating pressure, DHW bar 10
Boiler heat exchanger Maximum operating temperature °C 90
Water content l 4.7
Exchange surface
m
2
0.7
Solar exchanger Glycol water capacity l 5.0
Exchange surface
m
2
1.0
Performance Standby consumption ∆T = 45K, TotalV kWh/24h 2.3
Cooling constant Cr Wh/24h·L·K 0.26
Diemasol A solar regulator Ambient temperature °C 0 - 40
Storage temperature °C -20 - +70
Range of measurement °C -40 - +250
Max. current A / V 4 / 250
Power consumption VA about 2
Electrical specifications Electrical connection V / Hz / A 230 / 50 / 6
Power consumption W 1 - 134
Insulation class DIN 40050 IP 42 (IPX2D)
Battery backup (Control panel) 2 years
minimum