Potterton Paramount 40 Installation, Operation & Maintenance Manual page 12

SECTION 3
PAGE 10
Fig 4. Paramount Flue Options
Flue Type
C13 (Balanced Flue)
C33(1) (Concentric Vertical)
C33(2) (Concentric Vertical)
C33(3) (Concentric Vertical)
B23 (Conventional Flue)
* This is the maximum flue length, the allowable horizontal run within total flue length is shown in brackets.
For lengths longer than specified in the table please contact the Technical Department for suitability
Note: Flue sizes shown for the Concentric Vertical Flue are adapted sizes for flues supplied by Potterton Commercial. For flues supplied by
other manufacturers, please refer to technical data for standard spigot sizes.
² not supplied by Potterton
C13 the maximum flue length shown may give an output reduction of 5% with the maximum flue shown.
Note: BS 5440 states a suitable guard should be provided whenever the appliance terminal is fitted less than 2 m above ground, above a
balcony or flat roof
Additional Bends -
Reduction of total length of flue pipe by:
- per 87° elbow = 1.00 m
per 45° elbow = 0.50 m
-
- per 30° elbow = 0.35 m
- per 25° elbow = 0.20 m
Existing Chimneys:
previously used for oil or solid fuel furnaces, is used
for installing a concentric flue gas pipe, it is
necessary for the chimney to be thoroughly cleaned.
POTTERTON COMMERCIAL PRODUCTS DIVISION
INSTALLATION, OPERATION AND MAINTENANCE MANUAL
Paramount 40
Flue Max
Size Flue
Length*
80/125 10(5)
80/125 13
110/160² 20
80/125 15(3)
80/125 10(3)
80 20(3)
If a chimney, which
Paramount 60
Max. No of Flue Max
Bends Size Flue
(90°) Length*
2 110/150 5(5)
0 110/180
0
2 110/180 24(3)
2 110/180 13(2)
3 110 25(3)
Installation: The flue gas pipe must be installed with a
slope from the PARAMOUNT so that condensate
from the flue gas pipe can drain into the central
condensate sump in the PARAMOUNT.
The minimum slope is as follows:
- Horizontal flue pipe: min. 3°
Height
was
Standards and Code of Practice.
PARAMOUNT
Max. No Flue
of Bends Size
(90°)
2 110/150
22 0 110/180
120/180²
2 110/180
2 110/180
3 110
above Roof: Refer
Paramount 80
Max Max. No
Flue of Bends
Length* (90°)
5(5) 2
13 0
20 0
15(3) 2
9(3) 2
16(3) 3
to relevant British