Grant Vortex Eco User Manual

Boiler Servicing
41
10. Replace the front cleaning door,
ensuring the seal is in good
condition and secure it in position
with the nuts and washers
previously removed. Tighten to form
a seal.
11. Remove the condensate trap and
check that it is not blocked and is
operating correctly, i.e. the float is free
to move. Clean the trap and float as
required. Refer to Section 6.8.
12. Check that the boiler condensate
outlet is unobstructed. Clean if
necessary.
!
NOTE
The condensate trap and condensate
outlet must be checked on every
service and cleaned as necessary.
11.4 Cleaning the Burner
The procedure is:
1. Combustion head - Loosen the two
screws securing the combustion
head and withdraw the head.
2. Clean the combustion head.
3. Inspect the ignition electrodes -
Loosen the electrode clamp screw
and withdraw the electrode
assembly. Wipe clean and check for
any cracks in the ceramic insulation.
Replace if necessary.
4. Nozzle - The nozzle should be
replaced on an annual service -
Check that the nozzle size and type
are correct, refer to table in Section
3.3 and boiler data label.
5. Do not attempt to clean the nozzle.
6. Remove the nozzle using a good
fitting spanner (16mm).
Figure 11-2: Electrodes showing setting
4mm
3mm
!
CAUTION
The use of an ill-fitting spanner will
d
amage the nozzle and could lead to
an incorrect flame pattern.
7. Always check the electrode settings
after replacing the nozzle, see Figure
11-2.
8. Re-connect the HT leads to the
electrodes and refit the combustion
head.
All models
Photocell - The photocell is a push-fit in
the burner body. Carefully pull out the
photocell to clean.
Burner fan – Remove the air intake from
the burner. Check, inspect and clean
the fan as required. Replace the cover.
Pump filter - Remove the four screws
securing the pump end cover. Remove
the filter and wash in kerosene. Replace
the filter and end cover, ensure the 'O'
ring is in position.
Re-assemble in reverse order.
To ensure safe and efficient operation
o
f the boiler it is important that re-
commissioning is carried out,
especially combustion checks (CO
2
level, flue gas temperature and
smoke number) after the boiler has
been serviced.
Refer to the Commissioning
instructions in Section 10.
!
WARNING

Grant Vortex Eco Specifications

General

Model	Vortex Eco
Category	Boiler
Fuel Type	Oil
Type	Condensing
Warranty	2 years