32
Grant Vortex Oil Boilers
1
Pump
2
Control box
3
Reset button with lock-out lamp
4
Flange with gasket (do not remove from boiler)
5 - BOILER INSTALLATION
5
Carefully fit the programmer into the aperture and
gently push fully home.
6
Connect the control system wiring to the boiler
terminal block. Refer to Sections 9.5 and 9.6 for
details of typical system control wiring diagrams.
Important: Disconnect and remove the RED wire
link between terminals 1 and 8 (1 and 10 System
model) on the 12-way boiler terminal block.
7
Replace the back of control panel and complete the
electrical connection procedure from paragraph 2
of Section 5.7.
Refer to the User's Operating manual provided with the
boiler for the operation and setting of the programmer.
See Fig. 7
If a two pipe system is to be used refer to Section
4.4.6.
1
Remove the oil inlet plug from the fuel pump and
connect the elbow of the flexible fuel line supplied
with the boiler.
2
Connect the flexible fuel line to the rigid supply
using the adaptor supplied. The supply enters
through one of the holes in the casing plinth.
Important: Ensure the electrical supply to the boiler
has been isolated before fitting the programmer.
Remove the screws holding the back of the control
panel in place and move it back enough to allow
access to the rear of the timer aperture.
1
From underneath the control panel, remove the
screw securing the bracket behind the timer
aperture. Withdraw and discard the bracket.
2
Remove the blanking piece from the timer aperture,
in the control panel fascia, by firmly pressing on
the centre of the square until it is detached from the
rear of the fascia. Remove the blanking piece from
the panel and discard.
3
Check that the wiring harness supplied with the
programmer is correctly connected to it as
follows:-
Brown wire to Mains Line (L) terminal of
programmer
Blue wire to Mains Neutral (N) terminal of
programmer
Red wire to Heating On terminal of programmer
Brown wire to Water On terminal of programmer
Yellow wire to Water Off terminal of programmer
4
Connect the programmer to the boiler wiring by
connecting the 6-way plug and socket, ensure the
plug is pushed firmly into the socket.
Fit the programmer Kitchen, Kitchen System
5.8
Connect the fuel supply
5.9
Fig. 22 - Riello RDB burner components
5
Air damper adjustment screw
6
Air supply tube connection (balanced flue)
7
Pump pressure adjustment screw
8
Pressure gauge connection
Burner components
5.10
7
8
1
2
3
5
4
6