26
Concord CXA/H
- Installation and Servicing
SITE ASSEMBLY
44 INSTRUCTIONS FOR SITE ASSEMBLED BOILERS
The site assembled boiler is supplied in the following
packages:
z
Combustion chamber / manifold / burner assembly.
z
Platework package.
z
Casing package.
z
Controls box package.
z
End and centre sections.
TOOLS REQUIRED
z
Spanners
z
Torque wrench
z
Pozi screwdriver
z
Mallet
ASSEMBLY
The combustion chamber should be positioned as near as
possible to the installation site.
IMPORTANT.
It must be remembered that the boiler
distribution tube has to be fitted into the rear return tapping of
the assembled boiler before siting.
Prior to assembling the sections it will be necessary to
remove the burner and controls assembly from the
combustion chamber.
Remove the assembly as follows:
1.
Undo the 4 wing nuts securing the burner front plate. Pull
the front plate forward from the top and lift it out.
2.
The right hand and centre burners may now be lifted out
after they have been pushed back to clear the injector.
3.
In order to remove the left hand burner, the pilot gas pipe
connection at the gas valve must be removed.
4.
The left hand burner may now be removed by pushing it
back to clear the injector and lifting it out - taking care not
to damage the pilot gas pipe while the burner is out of the
appliance.
5.
Undo the nut securing the manifold assembly to the
combustion chamber, pull the manifold assembly to the
right and lift out.
GENERAL
The installation of the boiler must be in accordance with the
Gas Safety (Installation and Use) Regulations or rules in
force, building regulations, I.E.E. (BS.7671) Regulations
and the bye-laws of the local water undertaking. It should
also be in accordance with the relevant British Standard
Codes of Practice together with any relevant requirements
of the local Gas Region and local authority.
Legend
1
. Cleanout cover.
2.
Collector hood.
3.
Middle section.
4.
Section alignment
rings & 'O' rings.
5.
End section.
6.
Gas cock.
7.
Drain cock.
8.
NOx duct.
9.
Front plate.
10.
Burner manifold assy.
11.
Base plate.
12.
Combustion chamber.
13.
Section bolt.
14.
Distribution tube.
15.
Tie rods.
16.
Thermostat pocket.
17.
Spillage skirt.
18.
Gas pipe.
Con
1942
Alignment notches
Distribution tube detail
1
2
18
3
4
5
7
8
6
9
10
11
12
13
14
15
16
17
Summary of Contents for Concord CXA 100/H
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