3
Technical Data
TABLE 1
Heat imput Nominal ......................................................................................
23 kW - 78,480 Btu/h
Heat output Nominal .....................................................................................
21 kW - 71,650 Btu/h
Gas rate (maximum) :
• Natural gas (G 20) ................................................................................
2.43 m
3
/h - 88.1 ft
3
/h
• Butan (G 30) .........................................................................................
1.81 kg/h
• Propan (G 31) .......................................................................................
1.79 kg/h
Burner pressure (G 20) ..................................................................................
11.6 mbar - 4.5 in w.g
Main burner injectors marking :
• Natural gas (restrictor ø 5.2) .................................................................
1.18
• Butan - propan .....................................................................................
0.70
Pilot injector marking :
• Natural gas ...........................................................................................
0.23
• Butan - propan .....................................................................................
0.15
Water flow rate - raised 50° C (90° F) ............................................................
6 l/m - 1.32 g.p.m.
Water flow rate - raised 30° C (54° F) ............................................................
10.05 l/m - 2.21 g.p.m.
Minimum water pressure ...............................................................................
1 Bar - 15 P.S.I.
Maximum water pressure ..............................................................................
10 Bar - 150 P.S.I.
Water inlet - right hand connection.................................................................
15 mm copper
Water outlet - left hand connection.................................................................
15 mm copper
Gas - centre connection .................................................................................
15 mm copper
Height ............................................................................................................
655 mm
Width .............................................................................................................
395 mm
Depth.............................................................................................................
253 mm
Weight............................................................................................................
19 kg
Space for fixing - Top .....................................................................................
65 mm
Space for fixing - Bottom ...............................................................................
178 mm
Space for fixing - Sides ..................................................................................
25 mm
Space for fixing - Front ..................................................................................
152 mm
HOLE FOR WALL LINER
Width .............................................................................................................
305 mm
Height ............................................................................................................
205 mm
WALL THICKNESS
Standard flue set ............................................................................................
75 - 355 mm
Optional flue set.............................................................................................
75 - 500 mm
The minimum water pressure is for the correct operation of the heater only. An additional allowance must be made for the resisance
of the pipework and fittings particularly where showers and washing machines are used. This should be the equivalent of 2 m (6.5
ft.) head.
