Specifications

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2.5.4 U-Series Utility – Combi (UCHE)
UC90HEUC70HEMODEL
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
14.7
50,000
17.6
60,000
21
71,650
21
71,650
23.5
80,000
27.1
92,380
15.3
52,150
18.4
62,600
22
75,000
22
75,000
24.4
83,175
28
95,550
RDB 2.2 15-21 RDB 2.2 21-26
T1SH T2SH
B N/A
100 or 125
4 or 5
100 or 125
4 or 5
86 88 90 90 93 95
0 0
Kerosene Settings
Nozzle make
size
Oil Pump bar
Pressure psi
Max CO2 %
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
102
9.0
130
8.0
116
8.0
116
8.0
116
7.0
102
11.5 11.5 11.5 11.5 11.5 11.5
1.65
0.36
1.98
0.44
2.35
0.52
2.35
0.52
2.65
0.58
2.98
0.65
22mm Copper 22mm Copper
74
16.3
140
214
90.0 90.0
Highlighted in Bold
74
16.3
140
214
Domestic Hot Water (DHW) Production
Minimum Inlet Dynamic Pressure bar
for Maximum DHW Flow Rate psi
Maximum Achievable
DHW Flow Rate
Maximum Recommended litres/m
DHW Flow Rate gals/m
Factory Set litres/m
DHW Flow Rate gals/m
Minimum litres/m
DHW Flow Rate gals/m
DHW Temperature Rise
(at Maximum Output)
Pressure Relief bar
psi
Cold Water Mains Inlet Connection
DHW Outlet Connection
1.8
26
1.8
26
Unrestricted Unrestricted
18
4.0
24
5.3
18
4.0
18
4.0
2.5
0.55
2.5
0.55
32°C @ 18 litres/min
for 120 litre draw-off
32°C @ 24 litres/min
for 120 litre draw-off
3
43.5
3
43.5
Minimum 15mm
Unrestricted
Minimum 15mm
Unrestricted
22mm Copper 22mm Copper
22mm Copper 22mm Copper