2.5. Chimney connection
No combustible materials may be set closer than at least
450 mm clearance.
A 150 mm diameter flue pipe will be required to connect
the stove to the chimney. Make sure the flue pipe is
suitable for solid fuel (cast iron, stainless steel, vitreous
enamelled steel). Under no circumstances should flexible
or asbestos pipe be used.
Too long horizontal smoke pipe may dangerously restrain
the running of the appliance (do not exceed 0,3 m in
length). The connecting flue should not exceed 1,8 m in
length. Greater lengths should be completed by using
twin-walled insulated chimney.
Ensure the flue pipe extends into the chimney but not so
far that it blocks air flow.
Ceiling or wall penetration should always be made with
insulated pipe and the proper accessories.
Allow fire cement to dry properly before lighting the stove.
Stove running and chimney being hot, check if chimney
draught is at least 10 Pa (1 mm w.g.) at normal rate and
15 Pa (1,5 mm w.g.) at maximum rate.
If chimney draught is too excessive, a flue stabiliser should
be installed on the flue pipe or on masonry chimney so as
to avoid the introduction of cold air into the chimney.
2.6. Water connections
FRANCO-BELGE recommends that the installation is
carried out by a qualified heating engineer who is fully
experienced in solid fuel heating installations.
Must be provided (fig. 5) :
- an expansion tank open to the atmosphere,
- an indirect cylinder,
- a gravity circulation to one radiator to dissipate heat when
the pump is off,
- the fitting of a low limit thermostat to the primary return to
ensure the pump does not operate when return water
temperatures are less than 50 ° C,
- a drainage tap in the return flow.
2.7. Check list before lighting stove
- check that all firebox parts (grates, flue baffle) are
correctly fitted and that the oscillating grates move
correctly when operated
- check the appliance for soundness of seals between
casting (flue collar, blanking plates, loading doors, etc...)
- check the connection between the appliance and the
chimney flue for air tightness
- check if there is enough water in the heating system and
check the connections for water leaks
- after lighting up the stove, check if it operates correctly
under fire, check for soundness of seals, leave the
appliance operational with the heating system correctly
balanced, hand over user instructions.
2.8. Adjustment of the thermostat
The thermostat has been set in the factory. If it becomes
necessary to make adjustments or fit a new thermostat, the
following procedure should be followed (see fig. 6) :
- ensure the appliance is cold,
- remove the rear metal heat shield,
- set the thermostat adjustment lever at position «8» (fully
open),
- adjust the position of the screw on the lever arm to
provide a gap of 50 mm,
- set the thermostat adjustment lever at position «1» (fully
closed),
- refit the rear metal heat shield.
Figure 5 - Water connections
Lever arm
screw
Damper
Figure 6 - Adjustment of the thermostat
GB
Document n° 280-3GB ~ 17/12/1997
Réf. 121 13 01
Multifuel stove
Lorraine MF
Notice de référence
5
