Balanced Flue Instructions

15
1. Flue and Chimney Requirements
Note: This appliance must only be installed with the flue
supplied.
You must adhere to the following:
1.1 The flue must be sited in accordance with BS5440: Part 1
(latest edition), see Diagram 1.
1.2 Fit a guard to protect people from any terminal less than 2
metres above any access such as level ground, a balcony
or above a flat roof.
1.3 All vertical and horizontal flues must be securely fixed and
fire precautions followed in accordance with local and
national codes of practice.
1.4 A restrictor may be required. Refer to Technical
Specifications on page 12.
1.5 Two types of flue terminals are available, horizontal and
vertical. To measure for a horizontal terminal:
– Decide on the terminal position.
– Measure the height from the top of the appliance to the
centre of the required outlet.
For minimum and maximum flue dimensions see Diagram 3.
Allow enough room either above or to the side of the
appliance to assemble the flue on top.
Assemble a horizontal flue in the following order:
- Vertical section
- 90° elbow
- Horizontal plus terminal
Support the opening of a masonry installation with a lintel.
1.6 Only the horizontal terminal section can be reduced in size.
Installation Instructions
Site Requirements
UK Dimensions
1
Dimension Terminal Position Minimum
Distance
A* Directly below an opening 600mm
B* Above an opening 300mm
C* Horizontally next to an opening 400mm
D Below gutters, soil pipes or drain pipe 300mm
E Below eaves 300mm
F Below balcony or car port roof 600mm
G From a vertical drain pipe or soil pipe 300mm
H From an internal or external corner or to a
boundary alongside the terminal
600mm
I Above ground, roof or balcony level 300mm
Dimension Terminal Position Minimum
Distance
J From a surface or boundary facing the
terminal
600mm
K From a terminal facing the terminal 600mm
L From an opening in the car port (e.g. door,
window) into the dwelling
1200mm
M Vertically from a terminal on the same wall 1200mm
N Horizontally from a terminal on the same
wall
300mm
P From a structure on the roof 600mm
Q Above the highest point of intersection with
the roof
300mm
* In addition, the terminal should not be nearer than 300mm to an opening in the building fabric formed for the purpose of accommodating a built-in element such as a window frame.