15
INSTALLATION
excel HE -
Installation and Servicing
10 PACKAGING REMOVAL
FLUE KITS
Pack B
- supplied as standard
Pack D
- optional extension kit for side flue or rear flue outlet.
Refer to 'Flue Extension Ducts'
90
o
Elbow Kit
- resistance is equivalent to 1.5m length of flue pipe
45
o
Elbow Kit
- resistance is equivalent to 1.0m length of flue pipe
Dimension X
- Wall thickness.
Dimension L
- Wall thickness plus boiler spacing.
Dimension R
- Wall thickness plus boiler spacing.
11 DETERMINING THE FLUE LENGTH AND FLUE PACKS REQUIRED
For the 100mm concentric flue system
Note.
1.
The flue duct MUST be
inclined at 1.5 degrees to
the horizontal to allow
condensate to drain back
into the boiler and out
through the condensate
drain. (Only necessary if
using one or more 'D'
extension duct packs)
RH
Side
LH
Side
Rear
Rear flue length
Side flue length
ix7416
450
(17
1
/
2
")
25 (1")
177 (7")
119 (4
3
/
4
")
X
R
Side flue length
450
(17
1
/
2
")
25 (1")
331 (13")
L
1.
Cut and remove straps.
2.
Remove literature and wall
mounting template.
3.
Lift off outer sleeve.
4.
Lift off top tray.
5.
Leave boiler in bottom tray to
protect exposed boiler
connections during wall hanging.
Note.
Hardware pack contained within
bottom tray at back of boiler. Ensure
components are withdrawn before
discarding bottom tray.
3
5
4
ix7441
Total Flue length dimension
Flue
Rear flue
L.H. Side flue
RH Side flue
Extra packs
Boiler
dim. X+177
dim. L+331
dim. R+119
required
Size
Up to 775 mm
Up to 775 mm
Up to 775 mm
none
C24, C28, C32
Up to 1725 mm
Up to 1725 mm
Up to 1725 mm
Pack D - 1 off
C24, C28, C32
Up to 2675 mm
Up to 2675 mm
Up to 2675 mm
Pack D - 2 off
C24, C28
Up to 3000 mm
Up to 3000 mm
Up to 3000 mm
Pack D - 3 off
C24
I
N
ST
A
L
L
A
T
I
O
N