Installation
Greenstar Danesmoor External
ErP+
and External System
ErP+
6720821725 (2018/04) 21
5.4 Flue installation
5.4.1 Flue damper installation
Insert the flue damper into the inner tube of the straight extension or 90°
elbow and fit the flue as shown in figure 28. Ensure that the rubber seal
is fitted into the inner tube.
Fig. 28 Flue damper fitting
5.4.2 Installation notes
▶ Ensure all the seals are in good condition and seated properly.
▶ To ease assembly of flue components, grease seals lightly with the
solvent free grease supplied.
▶ A terminal guard must be fitted if the terminal is 2m or less above a
surface where people have access.
▶ Lightly grease the flue cowl seal with the solvent free grease
supplied.
▶ Carefully remove the blanking plate from the appropriate flue
aperture (if necessary) and refit the blanking plate in the unused
aperture.
▶ Carefully remove the insulation from the flue aperture in the cabinet
that the flue is to pass through, and fit to the unused aperture (if
necessary).
▶ Refer to the flue manual supplied with the flue kit for flue installation.
5.5 Combustion chamber (18/25 Regular shown)
▶ Release the screws and remove flue manifold access cover [4].
▶ Check that all the baffles [2] and baffle retainer [3] are correctly
fitted to the secondary heat exchanger.
Hook the retainer [1] over the end two baffles.
▶ Check that the flue damper, if required, is fitted correctly, refer to
section 5.4.1
▶ Release retaining nuts and washers and remove baffle/combustion
chamber access door [5].
▶ Ensure one piece baffle set [6] is in the right location, correctly
resting on the baffle rests [7] on either side of the combustion
chamber and pushed securely into place.
Baffle sets for the 18/25 and 25/32 boilers are identified with tabs
on the front and rear edge
Fig. 29
▶ Secure baffle/combustion chamber access door [5] with nuts and
washers. Tighten until door is firmly secured. Do not overtighten the
nuts.
NOTICE: Fitting the flue damper
Failure to fit the flue damper, when required will effect
the performance of the boiler and may cause “Lockouts”
The flue damper is only fittec to models stated in the
table below
Model range Output (kW) Flue damper fitted
12/18 13 Yes
15 Yes
18 Yes
18/25 18 Yes
21,5 Yes
25 Yes
25/32 25 No
28 No
32 Yes ≤ 4m flue length
32 No > 4m flue length
Table 7
6720809437-17.1Wo
2
3
1
6
5
4
12/18 kW Baffle
18/25 & 25/32 kW Baffle
7
6
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