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6
Boiler Design
Description
The boiler is designed to provide central heating from a fully
pumped open vented or sealed water system with an indirect
cylinder.
The daily pump exercise combined with the built-in frost
protection will help to maintain and protect the boiler.
Once the controls are set the boiler operates automatically.
Compartment or Cupboard Installations
Ventilation is not required for compartment or cupboard instal-
lations.
Do not use the compartment or cupboard for storage.
The minimum clearances to xtures are shown in diagram 1.
Pluming from ue terminal
Like all condensing boilers it will produce a plume of condensation
from the ue terminal in cool weather. This is due to the high
efciency and hence low ue gas temperature of the boiler. It
is normal and not a fault indication.
Electrical Supply Failure
The boiler will not work without an electrical supply and nor-
mal operation of the boiler should resume when the electrical
supply is restored.
If the boiler does not resume normal operation, check the ex-
ternal controls, it may be necessary to "reset" the boiler, refer
to the following section, "Boiler Safety Devices".
Diagram 1
12652
A removable compartment door can be placed a minimum of
5mm in front of the appliance but there must be a
clearance of 600mm minimum from a xed surface
*
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