9
CLEARANCES FOR OUTDOOR HEATER LOCATIONS – AS5601
Below eaves, balconies and other projections:
・
Appliances up to 50MJ/h input
・
Appliances over 50MJ/h input
From the ground, above a balcony or other surface*
From a return wall or external corner*
From a gas meter (M) (see 5.11.5.9 for vent terminal location of regulator)
From an electricity meter or fuse box (P)
From a drain or soil pipe
Horizontally from any building structure* or obstruction facing a terminal
From any other flue terminal, cowl or combustion air intake*
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
・
Appliances over 150 MJ/h input up to 200 MJ/h input
・
Appliances over 200 MJ/h input
・
All fan-assisted flue appliances in the direction of discharge
Openable
window
From a mechanical air inlet, including a spa blower
Vertically below an openable window, non-mechanical air inlet, or any other opening into a building
with the exception of sub-floor ventilation:-
・
Space heaters up to 50 MJ/h input
・
Other appliances up to 50 MJ/h input
・
Appliances over 50 MJ/h input up to 150 MJ/h input
・
Appliances over 150 MJ/h input
Ref.
Item
Minimum clearances
(mm)
Natural
draft
Fan
assisted
300
500
300
500
1000
500
150
500
500
200
300
300
300
1000
500
75
500
300
500
1500
1500
300
500
1500
1500
1000
1500
150
500
1000
1500
150
500
1000
1500
f
c
n
j
j
j
k
k
h
h
h
e
e
d
d
b
c
a
g
See note 3
T
T
T
g
See note 2
I
Door
P
M
a
b
c
d
e
f
g
h
j
k
n
T = Flue terminal
I = Mechanical air inlet
M = Gas meter
P = Electricity meter or fuse box
Shading indicates prohibited
areas for flue terminals
*- unless appliance is certified for closer installation.
Note:
1 All distances are measured to 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 covered area.
4 See Appendix J, Figures J2(a) and J3(a), for clearances required from a flue terminal to an LP gas cylinder.
A flue terminal is considered to be a source of ignition.
5 For appliances which are not mentioned above, comply with local regulation.
Exemption from prescribed statutory requirements referred to in Figure 1 has been granted to allow
multiple series of the Water Heaters to be positioned side by side.
