Table of Contents
Pre-Installation
4.4.5
Plume re-direct and plume management terminal positions
Maximum and minimum plume management lengths:
▶ A minimum distance of 500mm must be maintained between the
plume management outlet and the flue air intake.
▶ The maximum plume management length is 4.5 metres for the
appliances detailed on the front of this manual.
▶ The 45° bend is equivalent to 0.75 metres of straight plume
management and the 90° bend is equivalent to 1.5 metres.
1
180°
±80°
200
300
2
200
150
200
9
300
150
1200
BOUNDARY LINE
2
300
TOP
3
600
TOP
300
Fig. 28 Plume re-direct and plume management terminal positions
22
±45°
0
5 0
5 0
0
5 0 0
±80°
EXCLUSION ZONE
11
600
300
8
300
12
OPENING
OPPOSITE
2000
6
BOUNDARY LINE
300
600
TOP
5
7
TOP
8
NOTICE:
▶ All measurements are the minimum clearances required.
▶ Refer to "Horizontal flue terminal positions" for all concentric flue
terminal positions unless the flue position is specified in figure 28
"Plume re-direct and plume management terminal positions".
▶ Terminals must be positioned so to avoid combustion products
entering the building.
▶ Support the flue at approximately one metre intervals and at a change
of direction, use suitable brackets and fittings.
4
≥140
1,500
300
1500
10
150
300
300
10
13
150
150
300
7
150
300
9
150
100
600
0 0
≥ 5
≥ 5 0 0
EXCLUSION ZONE
EXCLUSION ZONE
300
14
25
200
15
25
10
FLUE TERMINAL GUARD
7 716 191 176
300
Worcester 2000 – 6 721 814 551 (2019/09)
6
100
600
5
600
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