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Instruction manual SGE 33
is
Concentric roof flue terminal specifications C33
3.10.4 Parallel connections
The table states the maximum pipe lengths for parallel systems. The maximum
pipe length depends on the chosen diameter.
Warning
Install flue gas discharge pipe runs with a run-off of 5 mm per metre towards
the water heater.
Chimney flue requirements for parallel systems
You must use the longest pipe when calculating the pipe length. For example, if
the chimney pipe is 4 metres and the air supply pipe is 3 metres, use 4 metres
as the length for the calculation. Next, add the L
equivalent
for every 90° and 45°
bend to this 4 metres, in both the air supply and flue gas outlet. The following
practical example illustrates how to use the table.
Practical example of parallel flue gas discharge
Example
The figure shows a SGE 60 installation. This has to be fitted with a 4 m parallel
pipe 100 mm in diameter, plus four 90-degree bends. The configuration must be
checked for compliance with the requirements stated in the table.
Subject Description
Roof flue terminal set:
• 1x roof flue terminal
(incl. clamping ring)
• 1x pipe 1000 mm
• 1x mounting flange
Art. No. 0304 423
1
Construction Concentric
Manufacturer Muelink & Grol
Model M2000 DDV HR-C
Pipe material Construction Concentric
Flue gas discharge Thick-walled aluminium with lip ring seal
Air supply Thin-walled galvanised sheet steel
Pipe diameters Flue gas discharge Ø 100 mm
Air supply Ø 150 mm
(1)
No other roof flue terminal may be used. Use this item number to order the roof flue terminal set from the
supplier, manufacturer or wholesalor.
Appliance Diameter
1
Maximum
total
length
L
equivalent
90
o
bend
L
equivalent
45
o
bend
SGE 40 100 55 m 4.6 m 1.2 m
SGE 60 100 55 m 4.6 m 1.2 m
SGE 40 130 100 m 2.4 m 1.4 m
SGE 60 130 100 m 2.4 m 1.4 m
1) Parallel systems with diameter of 100 mm. If the maximum total length when
using a diameter of 130 mm is insufficient, a diameter of 150 mm must be
used. Any diameter enlargement must be carried out on both air supply and
flue gas outlet.