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1.3 GENERAL DATA
TABLE 3a - Nominal boiler ratings (2 minutes after lighting) for “FRIENDLY” model
MODE OUTPUT INPUT (G.C.V.) BURNER PRESSURE
kW Btu/h kW Btu/h mbar inwg
CENTRAL HEATING RANGE 9.7 33,000 13.5 46,100 1.1 0.4
10.6 36,000 14.7 50,200 1.3 0.5
12.3 42,000 16.8 57,300 2.0 0.7
14.1 48,000 18.8 64,100 2.7 1.0
15.8 54,000 20.8 70,900 3.6 1.3
17.6 60,000 22.7 77,700 4.5 1.7
19.3 66,000 24.7 84,400 5.7 2.1
21.1 72,000 26.7 91,100 6.8 2.5
23.4 80,000 29.3 99,800 8.8 3.2
DOMESTIC HOT WATER Max. 24.0 82,000 30.0 102,500 9.3 3.4
Min. 8.8 30,000 12.5 42,800 0.8 0.3
TABLE 3b - Nominal boiler ratings (2 minutes after lighting) for “FRIENDLY E” model
MODE OUTPUT INPUT (G.C.V.) BURNER PRESSURE
kW Btu/h kW Btu/h mbar inwg
CENTRAL HEATING RANGE 9.7 33,000 13.5 46,100 1.9 0.7
10.6 36,000 14.7 50,200 2.3 0.9
12.3 42,000 16.8 57,300 3.2 1.3
14.1 48,000 18.8 64,100 4.1 1.6
15.8 54,000 20.8 70,900 5.2 2.1
17.6 60,000 22.7 77,700 6.3 2.5
19.3 66,000 24.7 84,400 7.5 3.0
21.1 72,000 26.7 91,100 8.7 3.5
23.4 80,000 29.3 100,000 10.5 4.2
DOMESTIC HOT WATER Max. 24.0 82,000 30.0 102,500 11.1 4.4
Min. 8.8 30,000 12.5 42,800 1.5 0.6
Main burner injectors No off 13
Dia mm 1.3
Water capacity l 2.1 gal 0.5
Minimum water flow C.H. l/min 22.0 gal/min 5.0
D.H.W. l/min 2.1 gal/min 0.5
D.H.W. flow rate
at a temperature rise of 30°C l/min 11.5 gal/min 2.5
35°C l/min 9.8 gal/min 2.2
Static head Minimum bar 0.5 psi 7.3
Maximum bar 3.0 psi 43.5
D.H.W. pressure Minimum bar 0.9 psi 13.0
Maximum bar 7.0 psi 102
Weight Empty kg 48 lb 106
Max lift kg 45 lb 99
Total (full) kg 50 lb 110
Electrical supply 230 V - 50 Hz, Fused at 3 A
Internal fuses “FRIENDLY” model Line: T 1.6 A
“FRIENDLY E” model Line: F 1.6 A - P.C.B.: T 100 mA
Maximum power consumption Watt 150
Maximum gas consumpt. (G20) * C.H. m
3
/h 2.8 ft
3
/h 99
D.H.W. m
3
/h 2.9 ft
3
/h 101
Max. working temperature °C 85 F 185
Integral exp. vessel capacity l 7 gal 1.5
TABLE 4 - General specifications
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