Flue Installation; Flue Damper Installation - Bosch WORCESTER Greenstar Danesmoor 18/25 Installation, Commissioning And Servicing Instruction Manual

Installation
3. Unscrew to loosen the retaining ring (H) that secures the flexible air
supply tube to the burner and pull the flexible air supply tube free
from the burner (see figure 39).
3. H
Fig. 39
▶ 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:
A
B
D
C
5
L
1 2
3
Fig. 40
[1] Boiler outer casing
[2] Outer flue tube
[3] Outlet/elbow connection
[4] Outside wall/roof
[5] CF adaptor
[L] Effective length of the flue
28
K
J
600mm
(min)
4
120mm
1
4
3
5.4.1

Flue damper installation

NOTICE: Fitting the flue damper
Failure to fit the flue damper, when required will effect
L
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)
12/18
18/25
25/32
Table 9
Insert the flue damper into the inner tube of the straight extension or 90°
elbow and fit the flue as shown in figure 41. Ensure that the rubber seal
is fitted into the inner tube.
1
Fig. 41 Flue damper fitting
Greenstar Danesmoor Kitchen
Flue damper fitted
13 Yes
15 Yes
18 Yes
18 Yes
21.5 Yes
25 Yes
25 No
28 No
Yes ≤ 4m flue length
32
32 No > 4m flue length
ErP+ and Kitchen System ErP+ -6 720 821 686 (2018/04)