Model 35 BF Units Natural gas Propane
Maximum input kW 39.2 37.3
But/h 133,800 127,300
Minimum input kW 15.7 17.1
But/h 53,600 58,400
Maximum output kW 32.7 31.1
But/h 111,700 106,300
Minimum output kW 13.3 14.3
But/h 44,800 48,800
Water content l 8.0 8.0
USgal 2.1 2.1
Electric Power consumption W 165 165
Maximum C.H. pressure bar 3 3
psi 43.5 43.5
Maximum C.H. temperature °C 85 85
F185185
Expasion vessel Water content l 8 8
USgal 2.1 2.1
Expasion vessel Pre-charged bar 1 1
psi 14.5 14.5
C.H. setting range °C 40-80 40-80
F 104-176 104-176
D.H.Wsetting range °C 30-60 30-60
F 86-140 86-140
Continuous D.H.W. flow rate ∆t 30°C l/min 15.5 14.7
USgal/min 4.09 3.89
Minimum D.H.W. flow rate l/min 2.4 2.4
USgal/min 0.63 0.63
Minimum D.H.W. pressure bar 0.50 0.50
psi 7.3 7.3
Maximum D.H.W. pressure bar 8.6 8.6
psi 125 125
Vent Category I/III I/III
Weight kg 40 40
lb 88.2 88.2
Quantity of burners n° 15 15
Orifice ø mm 1.30 0.85
Maximum manifold gas pressure mbar 13.7 24.9
“W.C. 5.5 10.0
Minimum manifold gas pressure mbar 2.2 5.8
“W.C. 0.9 2.3
Minimum gas supply pressure mbar 16.2 30
“W.C. 6.5 12.0
5
ENG
FR
CLEARANCES FROM
COMBUSTIBLE MATERIALS:
Bottom: 0 mm (0 in.)
Sides: 0 mm (0 in.)
Rear: 0 mm (0 in.)
Front: 0 mm (0 in.)
Top: 0 mm (0 in.)
Flue (superate vent): 150 mm (6 in.)
Flue (co-axial vent): 50 mm (2 in.)
CLEARANCES FROM SERVICE
AND PROPER OPERATION:
Bottom: 150 mm (6 in.)
Sides: 150 mm (6 in.)
Rear: 150 mm (6 in.)
Front: 600 mm (24 in.)
Top: 150 mm (6 in.)
MINIMUM CLEARANCES
FROM ELECTRIC METERS,
GAS METERS, REGULATORS
AND RELIEF EQUIPMENT :
US: 4 feet (1.22 m)
CND: 6 feet (1.83 m)