KAL-FIRE Fairo 60 - 4.3 Placing the flue duct

4. Mounting and installation
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2. The Fairo must not be positioned against a
wall that is warmer than 85 C. We advise
you to insulate the wall using, for example,
3 cm calcium silicate plate (0.07W/m.K) and
a small gap between the Fairo and the
insulation.
To prevent overheating, do not
insulate the Fairo entirely.
3. Use the brackets supplied to
mount the Fairo stably to the
wall.
4.3 Placing the flue duct
The Fairo must only be connected using the Kal-fire concentric
flue gas material. If this instruction is not obeyed, no safeguard
can be given for the system. During the CE inspection the
appliances are certified with this duct; different resistance values
apply to each type of duct.
The flue duct must be connected air-tight to the Fairo. If there is
any play between the Fairo and the flue duct, close this gap with
sealing material (fibreglass cord).