
26
istor system store -
Installation and Servicing
INSTALLATION
FLUE OUTLET
Dimension X - Wall thickness.
Dimension L - Wall thickness plus boiler spacing.
Dimension R - Wall thickness plus boiler spacing.
FLUE KITS
Pack B
- supplied as standard
Flue Finishing Kit
- supplied as an optional extra
Pack D
- optional extension kit for side flue or rear flue
outlet.
Screw Kit
- Optional kit for mechanical fixing of flue joints
Refer to 'Flue Extension Ducts'
For RH Side Flues
-
If the appliance is installed at minimum clearance from a standard cavity wall the horizontal flue kit (600mm long)
is required.
-
If the telescopic flue kit is used, an additional ‘D’ Pack Extension will be needed.
For LH Side and Rear Flues
-
For minimum clearance from standard cavity wall the telescopic flue kit only is required.
27 DETERMINING THE FLUE LENGTH AND FLUE PACKS REQUIRED
For the 100mm concentric flue system
Total Flue length dimension
Flue
(measuring from CL of turret to outside wall)
Rear flue
LH Side flue
RH Side flue
Extra packs
dim. X+188
dim. L+217.5
dim. R+342.5
required
Up to 595 mm
Up to 595 mm
Up to 595 mm
none
Up to 1545 mm Up to 1545 mm Up to 1545 mm
Pack D - 1 off
Up to 2495 mm Up to 2495 mm Up to 2495 mm
Pack D - 2 off
Up to 3445 mm Up to 3445 mm Up to 3445 mm
Pack D - 3 off
Up to 4395 mm Up to 4395 mm Up to 4395 mm
Pack D - 4 off
Up to 5345 mm Up to 5345 mm Up to 5345 mm
Pack D - 5 off
Up to 6000 mm Up to 6000 mm Up to 6000 mm
Pack D - 6 off
Note.
1.
It is recommended that a support bracket is fitted for every 1
meter of extension pipe used and a bracket should be used
at every joint, to ensure pipes are held at the correct angle.
If a slip joint coupling is to be used then a bracket should
be used to secure the collar.
2.
When extension ‘D’ packs are used 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.
3.
If the telescopic ‘B’ pack or horizontal flue terminal (600
long) only are used, they may be mounted horizontally.
The 1.5 degrees is taken care of by the inclination of the
flue within the air pipe.
4.
Only use water as a lubricant during assembly. Do not
use mineral based oils.
270
(10 5/8")
115
(4 1/2")
145
(5 3/4")
ist9836
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