Figure 4.6 Typical Installation Schematic - Hamworthy MILBORNE381 Series Design Installation, Commissioning And Operating Instructions

5.2.2.1 Flue Maximum Length.
Each 50 mm flue pipe maximum equivalent length is defined in Appendix C - figure C1.1.
5.2.2.2 Open Flue Installations type B
Figure 5.2.2.1 shows the configuration of a single Milborne 381 / 501 boiler installation using the B
arrangement.
Note: Consideration must be made for the prevention of condensate from freezing within the condensate
trap in the flue. Locating the condensate discharge kit to the horizontal flue section within the building
may provide a suitable solution.
Figure 5.2.2.2 shows the a single Milborne 382 / 502 boiler installation using the B
For B type open flue arrangements with air intake from boiler house the maximum equivalent flue length of 30
23
metres includes only the flue pipe.
Pictorial View
1
3
Figure 5.2.2.1 - Single Milborne Vertical Flue
HAMWORTHY HEATING LTD
23
Polypropylene 45° bend ø50 mm
Polypropylene 90° bend ø50 mm
Polypropylene pipe ø50 mm x 250mm
Polypropylene pipe ø50 mm x 500mm
Polypropylene pipe ø50 mm x 1000mm
Terminal kit for flat room ø80 mm
Terminal kit for pitched roof ø80 mm
Stainless steel horizontal wall terminals ø50 mm
Polypropylene condensate discharge kit. To re-
move condensate from vertical and horizontal flue
sections.
50mm Flue pipe wall bracket
2
7
MILBORNE
Description
Figure 5.2.2.2 - Single Milborne Horizontal Flue
14
23
open flue arrangement.
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Code HHL Part No.
3 573407376
3 573407377
1 573407379
1 573407380
1 573407381
7 573407387
8 573407386
5 573407384
7 573407385
2 573407249
500001130/J
open flue