Grant Vortex Combi 26 User Manual

19
Combi V3, Combi Max and Vortex Combi models
5 - GENERAL BOILER INFORMATION
5.3.6 Two pipe oil supplies
See Fig. 9
1 The fuel pump is supplied for use with a single
pipe fuel supply system. For use on a two pipe
system, it is necessary to fit the By-pass screw (see
Fig. 9) into the tapping in the return port.
2 The By-pass screw is supplied in the boiler
accessory pack.
3 Remove the plastic burner cover (two screws).
4 Remove and discard the blanking plug from the
return connection of the pump and fit the By-pass
screw using an hexagonal key.
5 Connect the return oil flexible fuel line to the pump.
6 Connect the
3
/
8
" to
1
/
4
" BSP adaptor to the flexible
fuel line.
7 Flexible fuel lines and adaptors are available to
purchase from Grant Engineering (UK) Ltd.
8 The burner cover may be left off until the boiler is
commissioned.
1/4" BSP female
connections
Tiger Loop
SUPPLY
TO PUMP
RETURN
FROM PUMP
SUPPLY
FROM TANK
Fig. 8 - Tiger loop
Fig. 9 - RDB pump
1 Oil inlet connection
2 Return connection
3 By-pass screw
4 Pressure gauge connection
1
2
3
4
5
6
7
8
5 Pressure adjuster
6 Vacuum gauge connection
7 Solenoid
8 Supply to nozzle

Grant Vortex Combi 26 Specifications

General

Brand	Grant
Model	Vortex Combi 26
Category	Boiler
Language	English