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Installation
3. Unscrew to loosen the retaining ring (H) that secures the flexible air
supply tube to the burner (I) and pull the flexible air supply tube free
from the burner (see figure 37).
3.
H
Fig. 37
▶ Undo and remove the retaining nut (J) on top of the burner. The
burner mounting (K) can now be eased off the lug (L) on the burner
collar to remove the burner from the heat exchanger. Store the
burner and retaining nut safely away from the boiler.
▶ Carefully move the boiler into position observing at all times the
correct method for handling heavy objects.
5.4
Flue installation
The flue can exit the boiler from outlets A, B, C or D allowing vertical (RS)
and horizontal (RS low or high level) flues to be fitted. (CF position 'A'
only). Refer to the separate flue installation instructions supplied with
the flue kits available for this boiler:
B
Fig. 38 Flue outlet options
Installation notes
▶ When connecting a flue elbow directly to the boiler flue outlet, loosen
the flue elbow retaining bracket screws (N) before fitting the flue
elbow.
▶ Insert the flue elbow with its clamp loosely fitted, then tighten the
bracket screws (N). Clamp the elbow when adjusted to its required
orientation.
▶ If using an extension or horizontal terminal onto the boiler flue outlet,
remove the flue elbow retaining bracket (M).
M
N
Fig. 39 Elbow retaining bracket
▶ Ensure all flue seals are in good condition and seated properly.
▶ To ease assembly of flue components, grease seals lightly with the
solvent-free grease supplied.
▶ A clamp should be installed for every 1m and at every change of
direction.
26
K
L
J
A
D
C
6720808218-27.1Wo
M
N
6720808218-31.1Wo
The boiler is not designed to take the weight of the flue
system, this must be supported externally to the boiler.
K
L
F
G
E
Fig. 40
[E]
Boiler outer casing
[F]
Outer flue tube
[G]
Outlet/elbow connection
[H]
Outside wall/roof
[K]
CF adapter
G
E
Fig. 41
▶ All horizontal flue sections must rise by at least 52mm for each metre
away from the boiler to ensure that condensate flows back into the
boiler for safe discharge via the condensate waste pipe.
▶ The horizontal terminal must be installed at 3° to ensure that the
condensate drains back to the boiler whilst also preventing rain
ingress down the air duct.
2m
1m
52mm
Fig. 42
Greenstar Danesmoor Utility
ErP
and Utility System
600mm
(min)
H
120mm
E
G
6720808218-28.1Wo
H
L
120mm
F
H
6720808218 29 1W
3°
6720808218-30.1Wo
104mm
ErP
- 6 720 813 286 (2014/09)
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