Heat & Glo VRT-BZ-N-AUB Owner's Manual page 22

f
T = Flue terminal
I = Mechanical air inlet
a - Below eaves, balconies or other projections:
Appliances up to 50 MJ/h input .................................................................................... 12 (300)
Appliances over 50 MJ/h input ............................................................................... 20-1/2 (500)
b - From the ground or above a balcony ............................................................................... 12 (300)
c - From a return wall or external corner ......................................................................... 20-1/2 (500)
d - From a gas meter (M) ...................................................................................................... 39 (1000)
e - From an electricity meter or fuse box (P) ................................................................... 20-1/2 (500)
f - From a drain or soil pipe .................................................................................................... 6 (150)
g - Horizontally from any building structure (unless appliance approved
for closer installation) or obstruction facing a terminal ............................................... 20-1/2 (500)
h - From any other flue terminal, cowl, or combustion air intake .................................... 20-1/2 (500)
j - Horizontally from an openable window, door, non-mechanical air
inlet, or any other opening into a building, with the exception of
sub-floor ventilation:
Appliances up to 150 MJ/h input ............................................................................ 20-1/2 (500)
Appliances over 150 MJ/h input ................................................................................... 60 (1500)
k - From a mechanical air inlet, including a spa blower ....................................................... 60 (1500)
n - Vertically below an openable window, non-mechanical air
inlet or any other opening into a building, with the exception of ...................................... See table
sub-floor ventilation ................................................................................................................ below
Space Heaters
Up to 50 MJ/h input
6 in. (150 mm)
NOTES:
Figure 6.3 Minimum Clearances for Termination
22
j
j
openable
window
door
n
k
I
c
k
M = Gas meter
P = Electricity meter or fuse box
Up to 50 MJ/h input
20 in. (500 mm)
1. All distances are measured vertically or horizontally along the wall to a point
in line with the nearest part of the terminal.
2. Prohibited area below electricity meter or fuse box extends to ground level.
3. See clause 5.13.6.6 for restrictions on a flue terminal under a roofed area.
4. See Appendix J, Figure J1(a) and J2(a) for clearances required from a flue
terminal to a LP Gas cylinder. A flue terminal is considered to be a source of ignition.
MINIMUM CLEARANCES REQUIRED FOR BALANCED FLUE TERMINALS
OR THE FLUE TERMINALS OF OUTDOOR APPLIANCES
Heat & Glo • VRT-AUB • 2123-980_R14 • 12/14
T
h
e e
j
h
P
h
T
g
See note 2
CLEARANCE
All other appliances
Over 50 MJ/h input and
Up to 150 MJ/h input
39 in. (1000 mm)
a
c
d
See note 3
g
M
d
b
Shading indicates prohibited
areas for flue terminals
MIN. CLEARANCE - in. (mm)
Over 50 MJ/h input
59 in. (1500 mm)
T