Ambirad ARE50/60' SL Manual de instalação e manutenção - Página 3

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Ambirad ARE50/60' SL Manual de instalação e manutenção

1 AR and ARE series gas fired

radiant tube heaters
These heaters are for use on natural gas
(G20) at a maximum supply pressure of
25 mbar and propane (G31) at a maximum
supply pressure of 45 mbar in G.B and I.E.
2 Gas connection
The gas connection on the Ambi-Rad heater
is R
1
(
1
in B.S.P internal thread).
/
/
2
2
Natural gas (I
)
2H
Max supply pressure
Min supply pressure
Propane (I
)
3p(37)
Max supply pressure
Min supply pressure
Propane (I
)
3p(50)
Max supply pressure
Min supply pressure
Correct gas burning pressure is indicated
in the table below.
Correct gas pressure
AR U Tubes Heaters
Model
Natural Gas G20
AR13
AR13QB
AR22
AR35
AR40
AR45
AR50
ARE U Tubes Heaters
Model
Natural Gas G20
ARE13
ARE22
ARE35
ARE40
ARE45
ARE50
3 Standards
Ambi-Rad heaters must be installed in
accordance with the relevant provisions
of the Gas Safety (Installations and Use)
Regulations 1998. Due account should also
be taken of any obligations arising from the
Health and Safety at Works etc. Act 1974.
In addition the installation must be carried
out in accordance with the current I.E.E.
1992 (BS 7671), BS 6896:1991 (Industrial
& Commercial for Flued Appliances)
BS EN 13410:2001 (Unflued Appliances and
IGE/UP/1) and any other relevant British
25 mbar
Standards and Codes of Practice.
17 mbar
A gas meter is connected to the service
pipe by the local gas region or local
45 mbar
gas region contractor. An existing meter
25 mbar
should be checked preferably by the
Gas Region or local Gas Region Contractors
57.5 mbar
to ensure that the meter is adequate to
42.5 mbar
deal with the rate of gas supply required.
Installation pipes should be fitted in
accordance with BS 6891:1988, such that
the minimum pressure at least, as stated
in section 2 will be achieved and any
Propane G31
8.4mbar
32.9mbar
8.1mbar
35.2mbar
11.6mbar
31.6mbar
10.0mbar
34.0mbar
10.4mbar
28.4mbar
9.5mbar
28.0mbar
5.8mbar
28.0mbar
Propane G31
8.4mbar
32.9mbar
12.5mbar
31.6mbar
12.9mbar
34.0mbar
12.7mbar
28.4mbar
10.7mbar
28.0mbar
5.6mbar
28.0mbar
other British Standards and Codes of
Practice. Pipes of smaller size than the
heater inlet gas connection should not
be used. The complete installation must
be tested for soundness as described in
the previous standard.
The gas supply must not be in the position
where it is subject to overheating.
The gas union service cock MUST be fitted
in the gas supply close to the heater, but
not onto the burner itself.
It is essential to provide some flexibility in
the final gas connection by use of a tested
and certified metallic hose to BS 6501
Part 1:1991 (minimum acceptable quality
Type 'B' Class 1). When stainless steel
flexible hoses are used the hose should
be connected in a 180˚ bend without any
strain or torsion. (See figure 1).
Note Take care when making a gas
connection to the heater not to apply
excessive turning force to the internal
controls.
AR SL Single Linear Heaters
Model
Natural Gas G20
AR13
AR13QB
AR22/24'
AR22/27'
AR22/32'
AR22/36'
AR35/33'
AR35/42'
AR35/50'
AR40/42'
AR40/50'
AR45/50'
AR45/60'
AR50/50'
AR50/60'
ARE SL Single Linear Heaters
Model
Natural Gas G20
ARE13
ARE22
ARE35/42'
ARE35/50'
ARE40/42'
ARE45/50'
ARE45/60'
ARE50/50'
ARE50/60'
Propane G31
8.4mbar
32.9mbar
8.1mbar
35.2mbar
10.7mbar
31.6mbar
11.6mbar
31.6mbar
10.7mbar
31.6mbar
10.7mbar
31.6mbar
13.7mbar
36.6mbar
11.2mbar
36.6mbar
11.2mbar
36.6mbar
11.3mbar
28.6mbar
11.3mbar
28.6mbar
10.1mbar
29.6mbar
10.1mbar
29.6mbar
5.8mbar
24.2mbar
5.8mbar
24.2mbar
Propane G31
8.4mbar
32.9mbar
12.5mbar
31.6mbar
13.7mbar
36.6mbar
13.7mbar
36.6mbar
12.7mbar
28.6mbar
10.7mbar
29.6mbar
10.7mbar
29.6mbar
5.6mbar
28.0mbar
5.6mbar
28.0mbar
3