Technical Data; Boiler Technical Data - Grant Vortex Pro Internal Combi Series Installation And Servicing Instructions

2

tEChniCaL Data

2.1

BOiLER tEChniCaL Data

table 2-1: Boiler technical data
Water content
(including 32 litre primary store)
Weight (dry) *
Maximum heat output (Kerosene)
Heating system flow and return connections
Cold water mains inlet
Domestic hot water outlet
Minimum flow rate (∆T=10°C)
Minimum flow rate (∆T=20°C)
Pressure relief valve discharge
Maximum heating system pressure (cold)
Minimum heating system pressure (cold)
Expansion vessel (pre-charged at 1 bar)
Maximum heating system volume **
Minimum domestic hot water flow rate
Maximum domestic hot water temperature
Maximum mains water inlet pressure
Minimum recommended mains water inlet pressure
Condensate connection
Flue diameter (conventional)
Waterside resistance ∆T=10°C
Waterside resistance ∆T=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 flue draught
Maximum operating pressure - sealed/open system
Maximum operating pressure - pressure relief valve
Boiler type
* Weight includes burner but excludes flue
page 6
Units Combi XS 26
litre 42.5
gal 9.4
kg 181
lb 399
kW 26.0
Btu/h 88,700
mm 22
mm 15
mm 15
l/h 2,200
l/h 1,100
mm
bar
bar
litres
litres
2.5 litres/min
(0.55 gal/min)
°C
bar
bar
mm
mbar
mbar
m
m
°C
°C
°C
Watts
kW
Amps
Amps
¼ʺ BSP male (on end of flexible fuel hose)
mbar
in wg
bar
bar
Combi 21 Combi 26
43 48.5
9.5 10.7
160 177
353 390
21.0 26.0
71,650 88,700
22 22
15 15
15 15
1,800 2,200
900 1,100
15
1.0
0.5
24
255
3.0 litres/min (0.66 gal/min)
65 (factory set)
8.0
2.5
22 mm (only connect plastic pipe)
100
28.5
10.0
28
1
65 to 78
111 ± 3
Less than 50
~230 1ph 50Hz 5A fused
90
0.15
0.85
Minimum: 0.087 - Maximum: 0.37
Minimum: 0.035 - Maximum: 0.15
2.0
2.5
ON/OFF
Section 2: technical Data
Combi 36
53.5
11.8
200
441
36.0
123,000
28
22
22
3,000
1,500
26.0
9.5