7 221564F
1 General Information
Diagram 1.2
■ For larger systems use an additional expansion vessel.
● Ball valves are fitted in water and gas connections, plus a drain point on all water connections.
80 100
Lift Weight 72kg (158.7lb) 77kg (169.7lb)
Total Weight (packed) 76kg (167.5lb) 81kg (178.6lb)
Total Weight (installed) 94kg (207.2lb) 99kg (218.3lb)
● Gas connection Rc
1
/
2
(
1
/
2
in BSPT)
● Heating and return 22mm compression
● Domestic hot water 15mm compression
Safety valve Preset 3bar (43.5lbf/in
2
)
Safety valve discharge 15mm copper
80 100
Water content (heat exch) 2.7 ltr (0.59 gall) 4 ltr (0.88 gall)
Water content (primary store) 13 ltr (2.86 gall) 12.4 ltr (2.7 gall)
Water content (domestic) 1.3 ltr (0.29 gall) 2 ltr (0.44 gall)
■ Expansion vessel capacity 7 litres (1.54 gallons)
Charge pressure 0.5bar (7.3lbf/in
2
)
Heating system 0.7bar (10.1lbf/in
2
)
minimum pressure
Domestic hot water flow rate
80 100
temp rise 30
0
C 11.4l/min (2.5gall/min) 13.3l/min (2.9gall/min)
35
0
C 9.8l/min (2.2gall/min) 11.4l/min (2.5gall/min)
Maximum flow temperature 65
0
C
Minimum working pressure 0.1bar
■ Maximum heating 130 litres
system water (28.6 gallons)
content using at 75
0
C
fitted expansion average system
vessel, pressurised temperature
at 1bar.
Electrical supply 230V~50Hz
Electrical rating 115W fused 3A
TABLE 2
6499
NOMINAL kW 80 27.5 27.5 8.0
HEAT Btu/h 93,830 93,830 27,266
INPUT kW 100 32.5 32.5 10.2
GROSS Btu/h 110,890 110,890 34,802
NOMINAL kW 80 24.5 24.5 6.8
HEAT Btu/h 83,600 83,600 23,200
OUTPUT kW 100 28.8 28.8 8.9
Btu/h 98,266 98,266 30,367
COND. kW 80 25.5 25.5 7.7
HEAT Btu/h 87,000 87,000 26,170
OUTPUT kW 100 30.5 30.5 9.8
Btu/h 104,066 104,066 33,438
BURNER mbar 80 -4.5 -4.5 -0.5
MANIFOLD wg -1.8 -1.8 -0.2
SUCTION
PRESSURE mbar 100 -4.8 -4.8 -0.5
HOT(APPROX) wg -1.92 -1.92 -0.2
80 9.2-9.6 9.2-9.6 9.2-9.6
BURNER
9.0-9.4 9.0-9.4 9.0-9.4
%CO
2
100 9.2-9.6 9.2-9.6 9.2-9.6
9.0-9.4 9.0-9.4 9.0-9.4
m
3
/h 80 2.6 2.6 0.7
ft
3
/h 91.8 91.8 24.7
D.H.W Max. 8bar
working pressure (150lbf/in
2
)
IP classification IP40
Internal Fuse rating 1) Type 2AF
2) Type 2AF
3) Type 3AT
TABLE 1 C.H. Max D.H.W.Max MIN
CASING
DOOR ON
CASING
DOOR OFF
CASING
DOOR ON
CASING
DOOR OFF
m
3
/h 100 2.9 2.9 0.9
ft
3
/h 102.4 102.4 31.8
APPROX.
GAS RATE
SCHEMATIC LAYOUT OF BOILER