36
9. Commissioning
It is important that the following commissioning
procedure is carried out to ensure safe and
efficient operation of the boiler.
9.1 Equipment required
To carry out a complete and comprehensive
commissioning of the Grant wood pellet boiler
the following equipment is required.
Draught meter.
Flue gas analyser
–with a specific “wood pellet”
setting.
Container of at least 1 litre capacity.
9.2 Before switching on
1.
Open front access cleaning door and check ash
pan is empty and positioned on the base of the
combustion chamber, check the baffle (located
in the top of the combustion chamber) is secured
correctly on fixing brackets. Close the front
access cleaning door.
Fig. 9.1
2.
Check boiler flow and return are adequately
vented. Check boiler and heating system has
been vented (and pressurised if sealed
system).Check the wash down manifold has
been fitted and connected to an uninterrupted
main water supply with all valves open.
3.
Remove boiler top panel and boiler top access
doors. Check that the spiral baffles in both the
primary and secondary heat-exchangers are in
place.
4.
Test the boiler cleaning function by operating the
momentary „CLEANING‟ „TEST‟ switch on the
boiler control panel.
(a) Check the wash system (located under the top
rear access door) is spraying water directly into
each flue gas tube of the unit. If the water jets
are not spraying directly into the flue gas tubes
adjust the orientation of the wash pipe using the
screw in the right-hand side panel (above the
wash pipe on the right-hand side panel.)
Jets spraying correctly
Fig. 9.2
Jets spraying incorrectly
Fig. 9.3
(b) Check the shaker unit (located under the top
front access door) is operating freely and that
the spirals are moving up and down with an
intermittent sudden vertical motion.
5.
Refit the top access cleaning doors in position
and tighten nuts.
6.
Check the draught stabilizer is unobstructed and
the stopper is in the fully open position.
Fig. 9.4
7.
Check the quality of the wood pellets to be used
(see section 3 Pellet specification and storage).
Do not use wood pellets that have not being
approved By Grant Engineering (IRL) Ltd. for
use with this boiler.
Summary of Contents for Spira 6-26kW
Page 3: ...3 Grant SPIRA Condensing Wood Pellet Boiler Intermediate Hopper ...
Page 26: ...26 NO 1 NO 2 NO 3 GRANT WOOD PELLET 6 26 9 36 BURNER WIRING DIAGRAM FIGURE 7 4 ...
Page 53: ...53 12 Spare parts 12 1 Burner Burner controls Exploded view Fig 12 1 ...
Page 54: ...54 Burner Brazier Exploded view Fig 12 2 ...
Page 56: ...56 12 2 Boiler Exploded view Fig 12 3 SPIRA 6 26 boiler displayed Boiler parts list ...
