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Andrews FASTflo WH42 Installation Manual, Operation And Maintenance Manual Page 19

Continuous flow wall hung balanced flue heaters for natural gas and lpg.
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Connecter for switching airflow rate depending on exhaust conditions
Under the exhaust conditions indicated by the shaded portion of the table
below, the connector for switching the airflow rate shown in the illustration
le
below is pulled out. (Changes the speed of fan rotation.)
[Extending limits for the exhaust flues]
4 bends within 7 m
1 bend within 12 m
<Extending conditions for the exhaust flues>
Length
1 m
2 m
3 m
4 m
5 m
6 m
7 m
8 m
9 m
10 m
11 m
12 m
When the intake/exhaust pipes pass through an enclosed space:
Intake pipe
Terminal Guard
A terminal guard is required if persons could come into contact with the terminal or the terminal
could be subject to damage.
If a terminal guard is required, it must be positioned to provide minimum of 50 mm clearance from
any part of the terminal and be central over the terminal.
Description:Flue Outlet Guard
Andrews Part Number:E105
Manufactured by:H.Docherty Limited
Red Shute Hill Industrial Estate
Red Shute Hill
Hermtage, Newbury
Berkshire, RG18 9QL
United Kingdom
Bends
1
2
3
1 2 3 4 5 6 7 8 9 0 1 2 3
1 2 3 4 5 6 7 8 9 0 1 2 3
1 2 3 4 5 6 7 8 9 0 1 2 3
1 2 3 4 5 6 7 8 9 0 1 2 3
1 2 3 4 5 6 7 8 9 0 1 2 3
1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9
1 2 3 4 5 6 7 8 9 0 1 2 3
1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9
1 2 3 4 5 6 7 8 9 0 1 2 3
1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9
1 2 3 4 5 6 7 8 9 0 1 2 3
1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9
1 2 3 4 5 6 7 8 9 0 1 2 3
1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9
1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9
1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9
1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9
1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9
1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9
1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9
1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9
1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9
1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9
1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9
1 2 3 4 5 6 7 8 9 0 1 2 3
1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9
1 2 3 4 5 6 7 8 9 0 1 2 3
1 2 3 4 5 6 7 8 9 0 1 2 3
1 2 3 4 5 6 7 8 9 0 1 2 3
1 2 3 4 5 6 7 8 9 0 1 2 3
1 2 3 4 5 6 7 8 9 0 1 2 3
1 2 3 4 5 6 7
1 2 3 4 5 6 7
1 2 3 4 5 6 7
Exhaust pipe
(Combustible material)
Suggested inspection openings (450mm x 450mm)
• Inspection openings are suggested for the flue pipe if they are
installed in an enclosure. These openings should be near the
entrance and exit of the flue into the enclosure.
• These openings should be 450mm x 450mm.
Page 15
Pulling out
4
Connector
1 2 3 4 5 6 7
1 2 3 4 5 6 7
1 2 3 4 5 6 7
1 2 3 4 5 6 7
1 2 3 4 5 6 7
1 2 3 4 5 6 7
1 2 3 4 5 6 7
The power must be unplugged when
adjusting (pulling in or out) the connector
to switch the airflow amount.
Sloping down toward flue terminal
Ceiling
Connector to switch
the airflow amount
b
u
t
t
o
n
Connector to switch
the airflow amount
External wall,
combustible material
05.9.28, 1:22 PM
15

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