Supplied By www.heating spares.co Tel. 0161 620 6677
1
TECHNICAL SPECIFICATIONS
2
BEST 30/40/50/60
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.
305mm with
front panel
691mm
290mm to
control knob
165mm
GAS COCK
380mm
218mm
82mm
206mm
276mm without
front panel
1(a)
1(c)
1(b)
kw
8.79
11.72
14.65
17.58
Btu/hr
30000
40000
50000
60000
kw
5.86
8.79
11.72
Btu/hr
20000
30000
40000
60000
kw
11.13
14.75
18.43
22.37
Btu/hr
37975
50315
62893
76326
kw
7.71
11.42
14.84
Btu/hr
26316
38950
50633
kw
10.02
13.28
16.59
20.14
Btu/hr
34188
45311
56605
68717
kw
6.94
10.28
13.36
Btu/hr
23679
35075
45584
mbar
14
14.5
14.6
15.5
in.wg
5.6
5.8
5.9
6.2
mbar
6.9
8.4
9.4
in.wg
2.8
3.4
3.8
Best 30
40
50
60
Heat
Input
Nett
Main Burner
Injector mm (in) Dia.
2.61(0.102)
3.03(0.12)
3.39(0.13)
3.61(0.14)
Minimum Water Flow Rate
l/min (galls/min)
11.45(2.51)
15.27(3.35)
19.09(4.18) 22.9(5.02)
Total Water Capacity
litres (galls)
3(0.66)
3(0.66)
3(0.66)
3(0.66)
Pressure Loss at
11°C (20°F)
Temp. Diff. mH
2
O
0.42
0.73
1.13
1.68
Static Head
Maximum metres (ft)
30 (100)
30 (100)
30 (100)
30 (100)
Static Head
Minimum metres (ft)
1.2 (3.9)
1.2 (3.9)
1.2 (3.9)
1.2 (3.9)
Weight
Empty kg (lb)
42 (92.5)
42 (92.5)
42 (92.5)
42 (92.5)
Lift Weight
kg (lb)
36 (79.3)
36 (79.3)
36 (79.3)
36 (79.3)
Electricity Supply
230V-50Hz
230V-50Hz
230V-50Hz
230V-50Hz
Power Consumption
Watts
35
35
35
35
External Fuse
Amps
3
3
3
3
Gas Consumption
l/min (ft
3
/hr)
17.68(37.4)
23.42(49.5)
29.27(61.9) 35.35(74.7)
30
40
50
60
