Worcester Greenstar 25Si Compact - 3.3 Technical Data

APPLIANCE INFORMATION
Greenstar Si Compact
ErP
- 6 720 813 278 (2015/07)10
3.3 Technical data
DESCRIPTION Si Compact ErP
Natural gas L.P.G.
UNIT 25kW 30kW 25kW 30kW
Domestic Hot Water
Minimum heat input kW 7.15 7.15 7.15 7.15
Maximum rated heat output kW 25 30 25 30
Maximum rated heat input kW 25.5 30.61 25.5 30.61
Maximum mains inlet pressure (standing pressure) bar 10 10 10 10
Minimum mains inlet pressure (working) for max. flow bar 1.6 1.6 1.6 1.6
Minimum mains inlet pressure (working) for operation bar 0.2 0.2 0.2 0.2
Minimum required flow to fire the boiler l/min. 2222
Domestic Hot Water temperature range °C 40 - 60 40 - 60 40 - 60 40 - 60
1)
Max. Domestic Hot Water flow rate - 40 °C rise ± 15%
1) Greenstar Si Compact boilers are fitted with a flow regulator set to achieve a 40°C temperature rise. This ensures comfortable bathing during the
colder winter months.
l/min. 9.0 11.0 9.0 11.0
Gas flow rate - Max. 10 minutes from lighting
Natural Gas G20 m³/h 2.7 3.24
Propane Gas (L.P.G.) kg/h 1.94 2.33
Central Heating
Maximum rated heat input (net) kW 24.34 24.34 24.34 24.34
Maximum rated heat output 40/30 °C kW 25.31 25.31 25.31 25.31
Maximum rated heat output 50/30 °C kW 25.17 25.17 25.17 25.17
Maximum rated heat output 80/60 °C kW 24 24 24 24
Maximum flow temperature °C 82 82 82 82
Maximum flow temperature possible °C 86 86 86 86
Maximum permissible operating pressure bar 2.5 2.5 2.5 2.5
Available pump head at 20 °C system temperature rise m 2.0 2.0 2.0 2.0
Flue
Flue gas temperature 80/60 °C, rated/min. load °C 66/64 70/64 68/66 72/66
Flue gas temperature 40/30 °C, rated/min. load °C 47/36 50/36 49/37 52/37
CO
2
level at max. rated heat output (after 10 minutes) % 9.1 9.1 10.6 10.6
CO
2
level at min. rated heat output (after 10 minutes) % 8.5 8.5 9.6 9.6
NOx class 5555
NOx rating mg/kWh 35 35 46 46
Condensate
Maximum condensate rate l/h 2.5 2.5 2.5 2.5
pH value, approx. 4.8 4.8 4.8 4.8
Electrical
Electrical power supply voltage a.c. V 230 230 230 230
Frequency Hz 50 50 50 50
Maximum power consumption - running W 98 109 98 109
Maximum power consumption - stand-by W 1111
General data
Appliance protection rating IP IPX4D IPX4D IPX4D IPX4D
Appliance protection rating with mechanical or
RF mechanical timer or FW100 module fitted
IP IP20 IP20 IP20 IP20
Appliance protection rating with Sense II control fitted IP IPX2D IPX2D IPX2D IPX2D
Permissible ambient operating temperatures °C 0 - 50 0 - 50 0 - 50 0 - 50
Nominal capacity of appliance litre 2.2 2.2 2.2 2.2
Total packaged weight kg 43 43 43 43
Total boiler weight 39.5 39.5 39.5 39.5
Lift weight kg 32.9 32.9 32.9 32.9
SEDBUK 2005 Band 90.5 90.5 92.6 92.6
SEDBUK 2009 Band 89.8 89.8 90.9 90.9
Table 5 Si Compact
ErP
Technical data