7
Grant Vortex Oil Boilers
22 mm (only connect plastic pipe)
28 m
1m
65 to 80° C
111° C ± 3° C
Less than 50° C
230/240 V ~ 50 Hz Fused at 5 Amp
¼" BSP Male (on end of flexible fuel line)
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
(Δ
T=10°C) l/h
Min. flow rate
(Δ
T=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.
** 125 mm diameter required for flexible flue liner (Orange system). For rigid flue system (e.g. Green system) 100 mm
diameter flue required. Refer to Sections 4.1 and 4.7 for further details.
Kitchen System
Utility
Utility System
IMPORTANT: On all models except 46/58 and 58/70 Return connections are stainless steel pipe (see above for size).
Compression fitting MUST be used. Brass push-fit connectors are not suitable for use on stainless steel pipe.
Kitchen
90
2.6
0.85
90
4.2
0.85
90
2.6
0.85
150
6.4
1.2
15/26
19
4.2
119
262
26
88 700
22 mm
22 mm
2 200
1 100
15/26
19
4.2
127
280
26
88 700
22 mm
22 mm
2 200
1 100
15/26
19
4.2
112
246
26
88 700
22 mm
22 mm
2 200
1 100
26/36
21
4.7
134
295
36
122 840
28 mm
28 mm
3 000
1 500
36/46
21
4.7
134
295
46
157 000
28 mm
28 mm
4 000
2 000
46/58
50
11
295
649
58
197 896
1¼" BSP
1¼" BSP
5 200
2 600
58/70
50
11
299
658
70
238 840
1¼" BSP
1¼" BSP
6 000
3 000
90
4.2
0.85
26.0 mbar
9.5 mbar
28.5 mbar
10.0 mbar
100 mm (4 in)
100 mm (4 in)
26.0 mbar
9.5 mbar
125 mm (5 in)**
15/26
19
4.2
126.5
278
26
88 700
22 mm
22 mm
2 200
1 100
28.5mbar
10.0mbar
26/36
21
4.7
142
312
36
122 840
28 mm
28 mm
3 000
1 500
36/46
21
4.7
142
312
46
157 000
28 mm
28 mm
4 000
2 000
