working at a gauge pressure of at least 0.35bar above the relief
valve setting if on a sealed system.
Where a storage system will not have a vent to atmosphere the
installation must comply with Building Regulations and Water
Company bye-laws. If connecting to an existing system the local
authority should be informed.
2.7 Flue
There are 3 fluing options available.
(i)
Rear Only Flue Kit.
Flue can be fitted within
the height of the casing from
220mm to 375mm without
cutting.
The minimum length is
100mm with cutting.
No flue bends or extensions
can be fitted to this system.
Side view
(ii)
Multi-Directional Horizontal Flue Kit.
Standard Flue Kit
can be adjusted from
425mm to 725mm without
cutting.
The minimum length is 250
mm with cutting.
Extended flue lengths upto
a maximum of 2.5m
(19/24CBi) and 3.0m (9/14
and 14/19CBi) are available.
Optional 45° and 90° flue
bend kits are available
NOTE: When using flue
bends the maximum flue
length is reduced (see
Section 11.2.8).
Side view
If access to the flue is a
problem then this option
combined with an internal
flue fixing kit should be
used.
(iii)
Vertical Flue Kit
A vertical flue option is also available with flue lengths from
1.1m (without cutting) to a maximum of 3.35m (19/24CBi) or
4.1m (9/14 and 14/19CBi). Optional 45° and 90° bends are
available with this option. NOTE: When using flue bends the flue
length is reduced (see Section11.2.8).
2.8 Controls
A control knob adjusts the boiler temperature, switches the
boiler ON or to STANDBY and acts as a lock-out reset.
2.9 Safety
The appliance must not be operated with the inner casing cover removed.
The gas and electricity supplies must be turned off before
servicing or working on the appliance.
The casing is earthed through a push-on connector at the base.
When the casing is refitted this connection MUST be remade.