14
Alpha CB50 - Installation
6.
Cut both the inner and outer ducts to length.
Note: Do not cut the outer duct end with the two holes, these are for securing the terminal.
Ensure that all cuts are square and burr free.
7.
Fit the flue terminal to the outer duct by inserting it into the end with two holes. Align the holes and secure with the two screws provided.
8.
Place the inner flue duct back into the outer duct.
9.
Pass the flue assembly through the wall (from inside or outside).
Note: Internal fitting - If there is no access to make good the outside wall, locate and secure the flue sealing collar onto
the outer duct of the flue immediately before the terminal. Push the flue assembly through the 127 mm flue hole, so that
the collar completely passes through the wall. Then pull the flue assembly back into the correct position. Visually check
that the collar is sealing the outside wall and that it is not restricting any of the openings of the flue terminal.
10. Position the seal and clamp (two screws), supplied with the bend, over the boiler flue adaptor. Fit the bend and rotate to
the correct position, then secure in position. See Fig 13.
Note: Ensure that the seal is located over both the bend and the flue adaptor.
11. Place the inner (no seal) duct clamp in position over the bend outlet as shown in Figs. 13, 14. Position the outer duct seal over the bend.
12. Push the outer duct into the wall slightly at the same time as pulling the inner duct towards the bend, inserting it fully into
the clamp on the bend. Tighten the clamp to secure the inner duct.
Note: Ensure the inner duct clamp screwed joint is at the bottom.
13. Pull the outer duct towards the bend. Check that the flue terminal protrudes 130 mm out of the wall, then position the seal
equally over the joint between the bend and the outer duct. Dismantle the clamp, position it over the seal (if applicable)
and secure in position.
14. Make good the inside and outside walls. The flue sealing collar could be used for making good either the outside or inside
by locating it over the outer duct of the flue and pushing it tight against the wall. If fitting the collar externally, ensure it does
not restrict any of the openings of the flue terminal.
4.7
FIT A FLUE EXTENSION - Figs. 13, 14
Note: The maximum flue assembly length must not exceed a length of 4 metres.
If the flue is more than 1.5 m the restrictor must be removed from the boiler adaptor (see Fig. 14).
1.
Withdraw the inner flue duct from the outer air duct supplied with the boiler.
2.
Withdraw the inner flue duct from the extension. Secure the two ducts together using the clamp supplied with the
extension, ensure that the ducts are butted together and the clamp is central over the joint.
3.
Secure the outer ducts together using the silicone seal and clamp supplied with the extension. Lubricating the silicone
seal with a soap solution will aid assembly.
4.
With all the ducts assembled together, cut to the following lengths:-
Rear flue Outer air duct length = finished wall thi 155 mm.
Inner flue duct length = finished wall thi 192 mm.
Side flue
Outer air duct length = finished wall thi the distance from the inside wall to the side of the a mm.
Inner flue duct length = finished wall thi the distance from the inside wall to the side of the b mm.
Note: L/H side a = 100, b = 137. R/H side a = 340, b = 377.
Fig. 13 - Rear flue
Содержание Alpha CB50 Boiler
Страница 29: ...29 9 WIRING DIAGRAMS 9 1 ILLUSTRATED WIRING DIAGRAM Alpha CB50 Wiring Diagrams ...
Страница 30: ...30 9 2 FUNCTIONAL FLOW WIRING DIAGRAM Alpha CB50 Wiring Diagrams ...
Страница 32: ...32 Alpha CB50 Fault Finding 10 3 DOMESTIC HOT WATER Follow operational sequence ...
Страница 33: ...33 Alpha CB50 Fault Finding 10 4 FAULT FINDING SOLUTIONS A to F ...
Страница 34: ...34 Alpha CB50 Fault Finding 10 5 FAULT FINDING SOLUTION SECTIONS G to L ...
