Air for combustion is taken from within the room
and products of combustion are discharged via a
roof terminal
Comprises of 1 one roof terminal 1 X 90° bend
(2)
Ensure that the terminal is a minimum of 600mm
above the apex of the roof
Dimension (B) will be 2150 mm, dimension (C)
125 mm.
The flue can be extended by adding lengths and
bends as required see accessories page 15
Warning
ensure that adequate provision has
been made for combustion air when using
this type of installation .minimum combustion
air requirement is 100m
3
/ h per heater
WARNING
The flue should always be vertical where possible and when bends are required a maximum angle of 45 deg
elbows only should be used
If the installation requires more than 2 meters of the flue pipe outside then insulated flue should be used
6-5 Recommended Vertical flue assembly - B22 - for -VRA065/090/110
Air for combustion is taken from within the room
and products of combustion are discharged via a
roof terminal. Ensure that the terminal is a
minimum of 600mm above the apex of the roof
Flue (ø100) and (ø130 ) ) One roof terminal (3)
x 90° bend (2)
For VRA 140 dimension (B) 2150 mm, dimension
(C) 125 mm.
For VRA 170/220/285 dimension (B) 2150 mm,
dimension (C) 135 mm.
The flue can be extended by adding lengths and
bends as required see accessories page 15
Warning
ensure that adequate provision has
been made for combustion air when using this
type of installation. minimum combustion air
requirement is 100m
3
/ h per heater
WARNING
The flue should always be vertical where possible and when bends are required a maximum angle of 45 deg
elbows only should be used
If the installation requires more than 2 meters of the flue pipe outside then insulated flue should be used
6-6 Recommended Vertical flue assembly - B22 - for VRA140/170/220/285