WarmFlow B-Series B70, Owner'S Manual

Page: 27 / 76

Page 25
2.4.2 U-Series Utility – Pre-Wired (U)
U90 U70 MODEL
Nominal kW
Heat Output Btu/hr
Nominal kW
Heat Input Btu/hr
Burner
Head
Secondary Air Damper
Flue
mm
Diameter in
Flue Gas Temp °C
Smoke Bacarach
4.0
48,000
17.0
58,000
20.5
70,000
20.5
70,000
22.8
78,000
26.4
90,000
5.3
52,50
18.4
62,600
22
75,000
22
75,000
24.4
83,175
28
95,550
RDB 2.2 5-2 RDB 2.2 2-26
TSH T2SH
B N/A
00 or 25
4 or 5
00 or 25
4 or 5
80 190 200 200 210 25
0 0
Nozzle make
size
Pump bar
Pressure psi
Max CO
2
%
Approx Fuel litres/h
Flow Rate gals/h
Flow Connection
Return Connection
Water
litres
Content gals
Boiler Weight Dry kg
Boiler Weight Wet kg
SEDBUK Efficiency %
Factory Settings
Danfoss 60°ES
0.5 0.5 0.6
Danfoss 60°ES
0.6 0.65 0.75
7.0
00
9.0
131
8.0
6
8.0
6
8.0
116
7.0
00
.5 11.5 .5 .5 11.5 .5
.65
0.36 1.98
0.44 2.35
0.52 2.35
0.52 2.65
0.58 2.98
0.65
” BSP Female
” BSP Female ” BSP Female
” BSP Female
4
3.
78
92
85.6
Nozzle make
size
Danfoss 60°S
— 0.4 0.5
Danfoss 60°S
0.55 0.6
Pump bar
Pressure psi
Max CO
2
%
Approx Fuel litres/h
Flow Rate gals/h
—
— 2.0
74
.0
59
.0
59
.0
59
— 2.0 2.0 2.0 2.0
—
— .72
0.38 2.30
0.5 2.53
0.56 2.76
0.6
0.5
.0
59
2.0
2.30
0.5
4
3.
78
92
85.6
Kerosene Settings
Highlighted in Bold
Gas Oil Settings
U120
26.4
90,000
28.0
95,200
33.0
2,600
28.0
95,550
30.0
102,400
35.5
2,200
RDB 2.2 26-33
T5S
N/A
00 or 25
4 or 5
160 70
0
50
Danfoss 60°ES
0.75 0.85 .00
7.0
00
8.0
116
8.5
24
.5 11.5 .5
2.98
0.65 3.40
0.75 3.70
0.82
Contact Warmflow
for diesel settings
” BSP Female
28mm Compression
6
3.5
92
08
85.6
Note : The ‘Easy Fit’ High Level Balanced Flue (HLBF) can only be used with the U20
Model when fired at the factory setting (0.85 gal nozzle). It CANNOT be used when
fired with a .00 gal nozzle or with the 0.85 gal nozzle at increased pump pressure.