Dover Finishing Products 2500 Manuel D’Utilisation

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3.       Principle 
The Dovre model is designed to provide a fireplace convection system without the 
need to construct a masonry convection chamber. The principle of operation is 
that the cooler air from the lower part of the room is drawn under the base of the 
inner cast iron unit. Warm air is produced from the inner cast iron surfaces of the 
appliance and this warm air develops between the surfaces of the steel  convection 
case and the outer surfaces of the cast iron combustion chamber. Flexible piping 
may be used to carry the warm air from the appliance to outlet grills to be located 
where heat is required. This can be either in the same room as the appliance or in 
other rooms even at first floor level. It is essential to ensure that the warm air 
flexible pipes are allowed to rise from the appliance. 
The cooler room air entering the lower level moves the warm air by convection, 
and fan assistance whilst the fans are operating, to be discharged into the room 
through the space at the top of the appliance or via flexible pipework. 
 
1.
Primary combustion air 
2.
Secondary combustion air 
3.
Cool air for convection 
4.
Convected warm air 
5.
Twin power fans for boosting convection 
6.
Passage of combustion air 
7.
Removable ashpan 
8.
Rear protection plate 
9.
Passage of flue gases 
10. Outer convectioncasing 
11. Clapet