Supplied By www.heating spares.co Tel. 0161 620 6677
1
TECHNICAL SPECIFICATIONS
2
BEST 80
2.1
PERFORMANCE DATA
Heat
Output
1
Gas Connection
Rc 0.5in (
1
/
2
in BSP female)
Gravity Water Connections
2x28mm copper compression
Pumped Water Connections
2x22mm copper compression
CONNECTION SIZES
2.3
GENERAL SPECIFICATIONS
2.2
OVERALL DIMENSIONS AND MINIMUM CLEARANCES
2.4
Max.
Min.
Max.
Min.
Max.
Min.
Max.
Min.
Heat
Input
Gross
Burner
Pressure
Note: A door may be fitted
within 6mm of the front
casing provided that it is
removeable and there is
300mm (12”) clearence for
servicing.
The front case may be
removed to enable the boiler
to be installed within a
standard wall unit, minimum
clearance required 6mm
(0.25in)
6mm
100mm
SEE
NOTE
6mm
200mm
66mm
FLOW
RETURN
30mm
62mm
28mm Dia.
22mm Dia.
600mm
400mm
28mm Dia.
22mm Dia.
348mm with
front panel
691mm
330mm to
control knob
205mm
GAS COCK
380mm
218mm
61mm
266mm
317mm without
front panel
1(a)
1(c)
1(b)
kw
23.44
Btu/hr
79.977
kw
17.57
Btu/hr
59.950
kw
29.6
Btu/hr
101.000
kw
22.7
Btu/hr
77.450
kw
26.64
Btu/hr
90895
kw
20.43
Btu/hr
69707
mbar
17.7
in.wg
7.1
mbar
10.4
in.wg
4.2
Best 80
Heat
Input
Nett
Main Burner
Injector mm (in) Dia.
4.12(.162)
Minimum Water Flow Rate
l/min (galls/min)
30.5(6.7)
Total Water Capacity
litres (galls)
4.5(1.0)
Pressure Loss at
11°C (20°F)
Temp. Diff. mH
2
O
1.48
Static Head
Maximum metres (ft)
30 (100)
Static Head
Minimum metres (ft)
1.2 (3.9)
Weight
Empty kg (lb)
56 (123)
Lift Weight
kg (lb)
45.6 (100)
Electricity Supply
230V-50Hz
Power Consumption
Watts
35
External Fuse
Amps
3
Gas Consumption
l/min (ft
3
/hr)
46.18(97.7) CV 38.5MJ/m
3
Best
80
