12
Part No. 5106463
Technical Data
Table 1
Technical Data
Model
Btu/h
kW
Btu/h
kW
Btu/h
kW
Maximum Output
89,000
26
89,000
26
89,000
26
Minimum Output
68,000
20
68,000
20
68,000
20
Factory Set Output
Kerosene
79,000
23
79,000
23
79,000
23
Riello Burner Type
RDB1
RDB1
RDB1
Combustion Head Type
Kerosene
LD3
LD3
LD3
Gas Oil
LD3
LD3
LD3
Nett Full Load Efficiency
%
91.0
91.0
91.0
Boiler Gas Volume
m³
0.058
0.058
0.058
Exit Flue Gas Mass Flow (Max)
kg/h
40.09
40.09
40.09
Flue Gas Temperature Rise Above Ambient
ºC
205
205
205
Resistance To Combustion Products
mbar
0.4
0.4
0.4
Maximum Hearth Temperature
ºC
50
50
50
Water Side Resistance (Cold)
10ºC Differential
mbar
21.2
21.2
21.2
20ºC Differential
mbar
6.7
6.7
6.7
Maximum Static Head
90ft. Water (40 p.s.i.)
Minimum Static Head
5.0ft. Water (3.0 p.s.i.)
Maximum Operating Temperature
82ºC (180ºF)
Minimum Operating Temperature
55ºC (131ºF)
Maximum Boiler Operating Pressure
3 Bar (43.5 p.s.i.) (Class 2)
Conventional Flue Draught at Boiler Flue Outlet
0.035"w.g. (8.75N/m²) Minimum 0.16"w.g. (40.0N/m²) Maximum
Limit Thermostat Setting
110ºC (230ºF) Manual Reset
Maximum Casing Panel Temperature
Less Than 35ºC Above Room Temperature
Maximum Surface Temperatures of
Adjusting, Control & Safety Devices
Less Than 30ºC Above Room Temperature
Electrical Supply
230V 1 Phase 50Hz Fuse 5A
DHW Limit Thermostat Setting
85ºC (185°F)
DHW Store Thermostat Setting
73ºC (163F)
DHW Store Limit Thermostat Setting
88ºC (190ºF)
Pump Overrun Thermostat Setting
80ºC (176ºF)
88ºC (190ºF)
Flow Restrictor
13 l/m (Brown)
17.5 l/m (Green)
Maximum DHW Flow Rate
13 ± 1.5 l/m (2.9 ± 0.3 g/m)
17.5 ± 1.5 l/m (3.9 ± 0.3 g/m)
Minimum DHW Flow Rate
2.5 ± 0.5 l/m (0.5 ± 0.1 g/m)
2.5 ± 0.5 l/m (0.5 ± 0.1 g/m)
Maximum DHW Inlet Pressure
10 Bar (145 p.s.i.)
10 Bar (145 p.s.i.)
Minimum DHW Inlet Pressure
1 Bar (14.5 p.s.i.)
1 Bar (14.5 p.s.i.)
Specific Rate at Minimum Heat Input (20 kW)
9.5 l/m (2.1 g/m)
12.5 l/m (2.7 g/m)
DHW Temperature Rise At a Constant
35ºC
8.5 l/m (1.9 g/m)
11.0 l/m (2.4 g/m)
50ºC
5.5 l/m (1.2 g/m)
7.0 l/m (1.5 g/m)
Specific Rate at MId Heat Input (23 kW)
11.0 l/m (2.4 g/m)
14.0 l/m (3.1 g/m)
DHW Temperature Rise At a Constant
35ºC
9.5 l/m (2.1 g/m)
12.0 l/m (2.6 g/m)
50ºC
6.5 l/m (1.4 g/m)
8.5 l/m (1.9 g/m)
Specific Rate at Maximum Heat Input (26 kW)
12.0 l/m (2.6 g/m)
17.0 l/m (3.7 g/m)
DHW Temperature Rise At a Constant
35ºC
10.5 l/m (2.3 g/m)
14.5 l/m (3.2 g/m)
50ºC
7.5 l/m (1.6 g/m)
10.0 l/m (2.2 g/m)
Thermal Store Capacity
40 Litres
Time to Achieve Storage Temperature at Max Heat I/P
7 Minutes (From Cold)
13 Minutes (From Cold)
F 70/90
System 70/90
Flowsure 70/90
