Technical Data; Boiler Technical Data; Sealed System Data - Grant Vortex Design, Installation And Servicing Instructions

2
2.1

BOILER TECHNICAL DATA

Table 2-1: Boiler technical data
Water content
Weight (dry)
Maximum heat output (Kerosene)
Minimum fl ow rate (ΔT=10°C)
Minimum fl ow rate (ΔT=20°C)
Condensate connection
Flue diameter (conventional)
Waterside resistance ΔT=10°C
Waterside resistance ΔT=20°C
Maximum static head
Minimum circulating head
Boiler thermostat range
Limit (safety) thermostat shut off
temperature
Maximum hearth temperature
Electricity supply
Burner motor power
Absorbed motor power
Starting current
Running current
Oil connection
Conventional fl ue draught
Maximum operating pressure - sealed/
open system
Maximum operating pressure - pressure
relief valve
Boiler type
* 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
Heating system pressure (cold)
Lift pressure of pressure relief valve
Expansion vessel size (pre-charged at 1 bar)
Maximum heating system volume (including boiler)*
Cold water mains connection
Pressure relief valve discharge connection
* Based on vessel charge and system cold fi ll pressure of 0.5 bar
** Approximately
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TECHNICAL DATA

Units
15/26
litre 19
gal 4.2
kg 1 12
lb 246
kW 26
Btu/h 88,700
l/h 2,200
l/h 1,100
mm
mbar
mbar
m
m
°C
°C
°C
Watts
kW
Amps
Amps
"
mbar
in wg
bar
bar
Utility
26/36 36/46
21 21
4.7 4.7
134 134
295 295
36 46
122,800 157,000
3,000 4,000
1,500 2,000
22 mm (only connect plastic pipe)
100 mm
26.0
9.5
28
1
50 to 75
1 10 ± 3
Less than 50
~230 1ph 50Hz 5A fused
90
0.15
4.2
0.85
¼"BSP male (on end of fl exible fuel hose)
Minimum: 0.087 - Maximum: 0.37
Minimum: 0.035 - Maximum: 0.15
2.0
3.0
ON/OFF
Utility System 15/26, 26/36 and 36/46
Maximum 1.0 bar |
3.0 bar
10 litres (15/26) | 12 litres (26/36)
106 litres (15/26) | 128 litres (26/36)
15 mm copper pipe
15 mm copper pipe
46/70
50
1 1
299
658
70
238,800
6.000
3,000
Minimum 0.5 bar
| 16 litres (36/46)
| 170 litres (36/46)**
Technical Data