Before Installation; Combustion Air Supply - Potterton Paramount two Installation, Operation & Maintenance Manual

Before installation

4. Before installation
4.1

Combustion air supply

Table 6: Conventional flue Applications
Model PARAMOUNT two
cm²
Vent Position
cm²
In a room direct to
outside
cm²
In a compartment
direct to outside
cm²
In a compartment
via a room
Table 7: Ventilation for use with room sealed applications
Model PARAMOUNT two
cm²
Vent Position
cm²
In a room direct to
outside
cm²
In a compartment
direct to outside
cm²
In a compartment
via a room
Table 8: Mechanical Ventilation with conventional flue
PARAMOUNT two 30
PARAMOUNT two 40
PARAMOUNT two 60
PARAMOUNT two 80
PARAMOUNT two 95
PARAMOUNT two 115
16
Concentric Flue Applications
The air supplied for the boiler space ventilation shall be such that
the maximum temperatures shall not exceed 25°C at floor level or
100 mm above, 32°C at mid level (1.5 m above floor level) and
40°C at ceiling level or 100 mm below ceiling level.
Refer to BS5440 2000 for boiler installations up 70 kW net and
BS6644 2005 for boilers above 70 kW net for further details.
The following tables give the total free area of the vents required
for single boiler installations in room sealed and open flue applica-
tions.
30 40
Low High Low High
Level Level Level Level
105 190
-
Single Single
252 126 380 190
504 252 760 380
30 40
Low High Low High
Level Level Level Level
No vent No vent
required required
126 126 190 190
252 252 380 380
Mechanical Inlet m³/s
0.03
0.04
0.06
0.06
0.07
0.08
Clean combustion air!
The PARAMOUNT two must only be installed in rooms with clean
combustion air. Under no circumstances must e.g. pollen or the li-
kes enter through the intake openings into the inside of the PARA-
MOUNT two.
60
Low High Low
Level Level Level
290
- - 308
Single
580 290 770
1160 580 -
60
Low High Low
Level Level Level
No vent
154
required
290 290 385
580 580 770
Mechanical Extract m³/l
80 95
High Low High
Level Level Level
154 380 190
385 950 475
- - -
80 95
High Low High
Level Level Level
154 190 190
385 475 475
770 950 950
0.02
0.03
0.04
0.04
0.04
0.05
POTTERTON COMMERCIAL
115
Low High
Level Level
460 230
1150 575
- -
115
Low High
Level Level
230 230
575 575
1150 1150