13
EVOMAX
-
Installation & Servicing
InStALLAtIon
RF 5755
RF 5756
12 HoRIzontAL WALL fLuE kIt
Contents
• Boiler a screws (x6)
• 90
o
elbow
• Terminal
• Locking collars (x2)
• Wall plates (x2)
13 HoRIzontAL WALL fLuE kIt - For longer flue lengths for the Evomax 60 & 80
Contents
• Boiler a screws (x6)
• Increaser
• 90
o
elbow
• Terminal
• Locking collars (x2)
• Wall plates (x2)
11 fLuE SyStEmS
A comprehensive range of flue kits are available from
Ideal Stelrad Group.
Examples of horizontal and vertical
concentric and open flue options are demonstrated on the
following pages. Tables are provided with these examples,
giving the maximum extensions which may be added. The flue
lengths achievable without any extensions are also provided.
For horizontal flues: this is the distance from the flue outlet
centre line on the boiler to the outside wall. Horizontal flues are
not available for Evomax 150.
For vertical flue: 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
fitting (see page 17) must be subtracted from the maximum flue
extensions allowed for that flue option.
note
:
Horizontal terminal resistance includes 1 x 90
o
elbow.
Worked examples are shown on page 17 and 18.
Alternatively the resistances of flue components are given
on page 16, together with the maximum flue resistance each
boiler can work against. These may be used to calculate the
total flue resistance of the system, and to determine if they are
acceptable to run on the boiler.
Multiple boilers may be installed with a common flue header
(not supplied by Ideal Heating). The flue system should be
designed and supplied by a specialist flue company. BS 6644
and IGE UP/10 provide guidance on design and the drainage
of condensate from flue stack and headers. Condensate from
a flue 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
Evomax horizontal concentric flue application ~ maximum lengths and pressure
differentials
Model
30/30P
40/40P
60/60P
80/80P
100
120
Max flue length (m)
42
42
7.5
12
20
17.6
Max flue press diff (Pa)
140
200
117
260
220
288
Flue Size
80 / 125
100 / 150
Wall flue kit No
158659
158661
Evomax 60 & 80 horizontal concentric flues of
longer length
Model
60/60P
80/80P
Max flue length (m)
30
35
Max flue press diff (Pa)
133
250
Flue Size
100 / 150
Wall flue kit No
158660
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