Grant Vortex Eco 21/26 - 3 - Boiler Technical Information; 3.1 Boiler Technical Data

7
Grant Vortex Eco Utility Oil Boilers
22 mm
22 mm
22 mm (only connect plastic pipe)
100 mm
28.5 mbar
10 mbar
28 m
1m
65 to 75° C
111° C ± 3° C
Less than 50° C
230/240 V ~ 50 Hz Fused at 5 Amp
90
4.2
0.85
¼" BSP Male (on end of flexible fuel hose)
Minimum flue draught - 8.7 N/m² (0.035 in wg)
Maximum flue draught - 37 N/m² (0.15 in wg)
2.5 bar
2.5 bar
Boiler technical data
3.1
3- BOILER TECHNICAL INFORMATION
Model
Water content litre
gal
* Weight (dry) kg
lb
Max. heat output kW
(kerosene) Btu/h
Flow connection
Return connection
Min. flow rate (ΔT=10°C) l/h
Min. flow rate (ΔT=20°C) l/h
Condensate connection
Flue diameter (conventional)
Waterside resistance
Flow/Return temp. diff. of 10°C
Flow/Return temp. diff. of 20°C
Maximum static head
Minimum circulating head
Boiler thermostat range
Limit (safety) stat shut off temp
Max. hearth temperature
Electricity supply
Motor power Watts
Starting current Amps
Running current Amps
Oil connection
Conventional flue
Max operating press - sealed sys
Max operating press - open sys
* Weight includes burner but excludes flue.
Vortex Eco Utility
21/26
13
2.9
103
227
25.6
87 350
2 200
1 100
26/35
19
4.2
121
267
34.7
118 400
22 mm
22 mm
2 980
1 490
15/21
13
2.9
103
227
20.7
70 600
22 mm
22 mm
1 780
890