27
Concord CXS -
Installation & Servicing
SITE ASSEMBLY
39 INSTRUCTIONS FOR SITE ASSEMBLED BOILERS
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.
Flueway baffles.
19.
Gas pipe.
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 with instruction books.
z
End and centre sections.
GENERAL
The installation of the boiler must be in accordance with the
Gas Safety (Installation and Use) Regulations 1994,
amendments 1996 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 supplier and local authority.
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 forwards from the top and lift it out.
2.
On the
CXS 40, 50 & 60
remove the screws holding the
HT heat shield from the LH leg of the combustion
chamber. Raise slightly and withdraw the heat shield
taking care not to damage the leads.
3.
The burners may now be lifted out after they have been
pushed back to clear the injector.
4.
Disconnect the electrode leads and take care not to
damage the electrode assemblies.
5.
Undo the nut securing the manifold assembly to the
combustion chamber, pull the manifold assembly to the
right and lift out.
