Glow-worm Xtramax - Manual (Page 9)

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1 Technical Data
Heating input adjustable from 12,5 kW
to 30,3 kW
from 42,650 BTU/H
to 103,383 BTU/H
Heating output adjustable from 10,4 kW
to 27,6 kW
from 35,484 BTU/H
to 94,170 BTU/H
Efficiency 82 %
Maximum heating temperature 87 °C
Expansion vessel effective capacity 8 l
Expansion vessel charge pressure 0,5 bar
Maximum system capacity at 75°C 180 l
Safety valve, maximum service pressure 3 bar
Products outlet diameter 60 mm
Fresh air inlet diameter 100 mm
Ø Burner injector 1,20 mm
Inlet pressure 20 mbar
Maxi. Burner pressure 13,8 mbar
Mini. Burner pressure 2,16 mbar
Gas rate maximum 3,20 m 3 /h
Gas rate minimum 1,32 m 3 /h
Heating
Heating input adjustable from 12,5 kW
to 30,3 kW
from 42,650 BTU/H
to 103,383 BTU/H
Hot water output, automatically variable from 10,4 kW
to 27,6 kW
from 35,484 BTU/H
to 94,170 BTU/H
Storage capacity 43 l
Maximum hot water temperature 60 °C
Minimum hot water temperature 37°C
Specific flow rate (for 35°C temp rise) 11,4 l/min.
Threshold flow rate 1 l/min.
Nominal water flow rate 11,3 l/min.
Temp./pressure relief valve opening pressure 7 bar
Temp./pressure relief valve opening temperature 90°C
Cylinder heat up time
4 min.
Time to reheat 70% of storage to 60°C 5 min.
Expansion valve setting 6 bar
Expansion vessel charge pressure 3.5 bar
Maximum operating pressure 3.5 bar
Maximum supply pressure 16 bar
Minimum operating pressure 0,7 bar
Weight of appliance when empty 71 kg
Weight of appliance when full 110 kg
Hot water
Electrical supply 230 V
Maximum absorbed power 235 W
Level of protection IP44
Fuse rating 3A
Natural Gas (G20)
Ø Burner injector 0,77 mm
Inlet pressure 29 mbar
Maxi. Burner pressure 23,8 mbar
Mini. Burner pressure 3,6 mbar
Gas rate maximum 2,39 kg/h
Gas rate minimum 0,99 kg/h
Butane Gas (G30)
Ø Burner injector 0,77 mm
Inlet pressure 37 mbar
Maxi. Burner pressure 30,8 mbar
Mini. Burner pressure 3,6 mbar
Gas rate maximum 2,35 kg/h
Gas rate minimum 0,97 kg/h
Propane Gas (G31)
Electrical
The Seasonal Efficiency Domestic Boilers UK (SEDBUK)
is, "D" 78.9%.
The value is used in the UK Government's Standard Assesment
Procedure (SAP) for energy rating of dwellings. The test data
from which it has been calculated have been certified by B.S.I.
The XTRAMAX is delivered in three
separate packages:
• The boiler
• The fixing jig
• The flue system
Hab322
Diagram 1.1
WEIGHT 71 kg
480
600
131
890
234