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Bees ton ACER wall-hung c ondens ing boiler 60-180kW
D ESIGN MANUAL
6.3.2
Vertical conventional flue system, fresh air from the plant room
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6.4 Ventilation
6.4.1 If the appliance is installed in a cupboard,
compartment or in a room that is suspect
then permanent air vents must be provided at
both high and low level, and these vents
must communicate with outside
Ventilation requirements
Appliance
ACER 60
ACER 80
ACER 100
ACER 120
ACER 150
ACER 180
•
The maximum length L does not include the number of
elbows.
•
Flue horizontal run should be installed sloping back to the
boiler.
•
Plant room must have adequate ventilation at high and low.
ACER
60
mm
80
Flue size
Ø
m
14
Maximum
(L)
90º Elbow
m
1.25
equivalent
90º Elbow
m
1.0
equivalent
air.
Natural
Low Level cm²
High Level cm²
576
676
730
884
1040
1080
ACER
ACER
80
100
100
100
27
22
1.5
1.25
6.4.2 Installations where the fresh air intake for
combustion is taken from the plant room,
adequate ventilation at low and high level
must be provided, and it should be in
accordance with BSEN6644.
Mechanical
Inlet l/s
288
56.5
338
74.7
365
93.6
442
112.5
520
140.6
540
168.8
P a g e 1 2
ACER
ACER
ACER
120
150
180
130
130
130
40
32
2.0
1.75
Extract l/s
37.2
58.2
62.4
75.0
93.8
112.5
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