Instructions condensing Air heaters type HR version HR-GB-4001-a
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4.4 Air intake / combustion products discharge
Check for compliance with local / national regulations.
Only the described flue material may be used. This goes for the roof or wall terminal and also
for the piping between the heater and the terminal. Only so the installation is approved.
Always connect a roof or wall terminal for condensing appliances, otherwise condensate can
form ice in the winter on the terminal.
In some cases the roof terminal has to be at least 0,5m above roof level (depending on local
regulations).
Pay attention on fresh air ventilation openings on the building. There are local distance
restrictions on placing a flue terminal near the ventilation openings.
4.4.1 Flue material
It is only allowed to use CE marked flue material from the manufacturer Muelink &
Grol (M&G) and Burgerhout, type Alu-fix temperature class minimum T120.. These
Flue systems can be bought at your supplier.
Only use one flue pipes from the same diameter as the flue spigots on the heater.
Different manufacturers have different connections systems from the flue pipes. It
is not allowed to combine systems from different manufacturers.
4.4.2 Maximum flue length
The maximum pressure drop in either the air supply pipe, or the flue pipe ,must
not exceed 9 metres straight pipe , excluding the terminal. Whenever bends are
used the pressure drop is greater and therefore a 90° bend will count as 2 metres and a 45°
bend as 1 metre. All flue pipes must be of the same diameter as the flue spigots on the heater,
and all flue joints must be sealed. For further information regarding the flue system please
contact your reseller.
4.4.3 Flue terminals
Only the flue terminals that are provided with the heater may be used.
These terminals are certified together with the heater.
The following terminals are allowed:
HR10-60
- Concentric roof terminal type M&G Skyline 80-80
article: IA8214
•
for h>0,5m above roof
IA8217
- Concentric wall terminal type M&G HR80-80
article: IA8216
HR80-120
- Concentric roof terminal type M&G 130-130 HR
article: IA8307
- Concentric wall terminal type M&G 130-130 HR
article: IA8314