2.1
BOILER TECHNICAL DATA
Table 2-1:
Boiler technical data
Units
Utility
15/26
26/36
36/46
46/70
Water content
litre
19
21
21
50
gal
4.2
4.7
4.7
11
Weight (dry)
kg
112
134
134
299
lb
246
295
295
658
Maximum heat output (Kerosene)
kW
26
36
46
70
Btu/h
88,700
122,800
157,000
238,800
Minimum fl ow rate (ΔT=10°C)
l/h
2,200
3,000
4,000
6.000
Minimum fl ow rate (ΔT=20°C)
l/h
1,100
1,500
2,000
3,000
Condensate connection
22 mm (only connect plastic pipe)
Flue diameter (conventional)
mm
100 mm
Waterside resistance ΔT=10°C
mbar
26.0
Waterside resistance ΔT=20°C
mbar
9.5
Maximum static head
m
28
Minimum circulating head
m
1
Boiler thermostat range
°C
50 to 75
Limit (safety) thermostat shut off
temperature
°C
110 ± 3
Maximum hearth temperature
°C
Less than 50
Electricity supply
~230 1ph 50Hz 5A fused
Burner motor power
Watts
90
Absorbed motor power
kW
0.15
Starting current
Amps
4.2
Running current
Amps
0.85
Oil connection
“
¼”BSP male (on end of fl exible fuel hose)
Conventional fl ue draught
mbar
Minimum: 0.087 - Maximum: 0.37
in wg
Minimum: 0.035 - Maximum: 0.15
Maximum operating pressure - sealed/
open system
bar
2.0
Maximum operating pressure - pressure
relief valve
bar
3.0
Boiler type
ON/OFF
* 125 mm diameter required for fl exible fl ue liner (Orange system). For rigid fl ue system, e.g. Green system, 100 mm diameter fl ue required. Refer to Section 9 (Flue System and Air
Supply) for further details.
2.2
SEALED SYSTEM KIT DATA
Utility System 15/26, 26/36 and 36/46
Heating system pressure (cold)
Maximum 1.0 bar | Minimum 0.5 bar
Lift pressure of pressure relief valve
3.0 bar
Expansion vessel size (pre-charged at 1 bar)
10 litres (15/26) | 12 litres (26/36) | 16 litres (36/46)
Maximum heating system volume (including boiler)*
106 litres (15/26) | 128 litres (26/36) | 170 litres (36/46)**
Cold water mains connection
15 mm copper pipe
Pressure relief valve discharge connection
15 mm copper pipe
* Based on vessel charge and system cold fi ll pressure of 0.5 bar
** Approximately
Technical Data
Page 8
2 TECHNICAL
DATA
