12
HORIZONTAL WALL FLUE KIT
Contents
• Boiler adapter + screws (x6)
• 90
o
elbow
• Terminal
• Locking collars (x2)
• Wall plates (x2)
13
HORIZONTAL WALL FLUE KIT - For longer ue lengths for the Models 60kW & 80kW
Contents
• Boiler adapter + screws (x6)
• Increaser
• 90
o
elbow
• Terminal
• Locking collars (x2)
• Wall plates (x2)
11
FLUE SYSTEMS
A comprehensive range of ue kits are available from
Ideal Boilers. Examples of horizontal and vertical concentric
and open ue options are demonstrated on the following pages.
Tables are provided with these examples, giving the maximum
extensions which may be added. The ue lengths achievable
without any extensions are also provided.
For horizontal ues: this is the distance from the ue outlet
centre line on the boiler to the outside wall. Horizontal ues are
not available for 150kW Models.
For vertical ue: this is the distance from the top of the boiler
case to the aperture in the weather collar.
If elbows are to be used, then the equivalent length of that
tting (see page 21) must be subtracted from the maximum ue
extensions allowed for that ue option.
Note: Horizontal terminal resistance includes 1 x 90
o
elbow.
Worked examples are shown on page 21 and 22.
Alternatively the resistances of ue components are given
on page 20, together with the maximum ue resistance each
boiler can work against. These may be used to calculate the
total ue resistance of the system, and to determine if they are
acceptable to run on the boiler.
Multiple boilers may be installed with a common ue header
(not supplied by Ideal). The ue system should be designed
and supplied by a specialist ue company. BS 6644 and
IGE UP/10 provide guidance on design and the drainage of
condensate from ue stack and headers. Condensate from a
ue stack and header must be collected and drained before
entering the boiler.
Note: See Frame 18 for elbow equivalent lengths.
Note: See Frame 18 for elbow equivalent lengths.
FLUE OUTLET
Horizontal concentric ue application ~ maximum lengths and
pressure differentials
Model 40/40P 60/60P 80/80P 100 120
Max ue length (m) 42 7.5 12 14.3 17.6
Max ue press diff (Pa) 200 117 260 220 288
Flue Size
80 / 125
100 / 150
Wall ue kit No
158659
158661
60 & 80 Horizontal concentric ues of longer
length
Model 60/60P 80/80P
Max ue length (m) 30 35
Max ue press diff (Pa) 133 250
Flue Size 100 / 150
Wall ue kit No 158660
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