Baxi Potterton LPG Service Manual download pdf (Page 18)

8.0 Flue Options

Horizontal

Flues

Plume Displacement 60 /100 dia Kit

1M Extensions 45° & 93° bends are

also available - see Section 9.0

Plume Displacement.

8.1 Horizontal Flue Systems

1. The standard flue is suitable only for horizontal

termination applications.

2. Maximum permissible equivalent flue lengths are:-

60/100 80/125

Horizontal Concentric 10 metres 20 metres

3. Any additional “in line” bends in the flue system must be

taken into consideration.

Their equivalent lengths are:-

Concentric Pipes:

135° bend 0.5 metres

93° bend 1.0 metres

Twin Flue Pipe

135° bend 0.25 metres

91.5° bend 0.50 metres

The elbow connected to the boiler adaptor is not included

in any equivalent length calculations

5. The illustrations opposite show examples of permissible

flue systems.

NOTE: Flue length is measured from point X to Y as

shown.

This bend is equivalent to

1 metre

Total equivalent length =

A+B+C+2x90°Bends

This bend is equivalent to

1 metre

NOTE: Horizontal flue pipes should always be installed with a fall of at least 1.5°

from the terminal to allow condensate to run back to the boiler.

1 2 ... 13 14 15 16 17 18 19 20 21 22 23 ... 55 56

No comments

Baxi Potterton LPG Service Manual Page 18