13
Installation Manual
CLEARANCES FOR FLUE TERMINAL
The location of the flue terminal must comply with the clearances shown on this page. If you are unsure
about clearances not indicated here, in general refer to AS/NZS5601, or your local authority. In Western
Australia refer to the WA Office of Energy rules and regulations.
Shadingindicates prohibited area for eterminals
=Flueterminal
T= Gas meterM
= Mechanical airinlet
I
=Electricitymeterorfusebox
P
= Fan-assisted appliance only
Z
Directionof
discharge
SeeNote1
SeeNote1
Openinginto
abuilding
T
T
T
T
T
T
C
M
d
d
e
e
h
j
j
j
n
b
f
a
h
P
Z
k
k
g
g
I
T
Door
FIGURE 6.2 (in part) LOCATION OF FLUE TERMINALS OF BALANCED FLUE,
Ref. Item
Minimum clearances
m
m
Fan
assis
ted
a
Below eaves, balconies and other projections:
20
0
Appl
iance s over 50 MJ/h input 300
b
From the ground, above a balcony or other surface * 300
c
From a return wall or external corner * 300
d
From a gas meter (M) (see Note 5)
(
see Clause 5.11.5.9 for vent terminal location of regulator)
(see Table 6.7 for New Zealand requirements)
1 00
0
e
From an electricity meter or fuse box (P)
†
(
see Note 5) 500
f From a drain pipe or soil pipe 75
g
Horizontally from any building structure * or obstruction facing a
te
rminal
50
0
h From any other flue terminal , cowl, or combustion air intake * 300
j
Horizontally from an openable window, door, non-mechanical air inlet, or any other opening
into a b
uilding with the exception of sub-floor ventilation:
Appliance s over 200 MJ/h input up to 250 MJ/h input* 500
All fan
-assisted flue appliance s, in the direction of discharge 1 500
k From a mechanical air inlet, including a spa blower 1 000
n
Vertically below an openable window, non-mechanical air inlet, or any other opening into a
bui
lding with the exception of sub-floor ventilation:
15
0
500
1 00
0
Appl
iance s over 150 MJ/h input 1 500
*
Unless appliance is certified for closer installation.
†
Prohibited area below electricity meter or fuse box extends to ground level.
NOTES:
1
Where dimensions c, j or k cannot be achieved an equivalent horizontal distance measured
dia
gonally from the nearest discharge point of the terminal to the opening may be deemed by
the
Technical Regulator to comply.
2
See Clause 6.9.4 for restrictions on a flue terminal u nder a covered area.
3
See Figure J3 for clearances required from a flue terminal to an LP Gas cylinder . A flue terminal
is consi
dered to be a source of ignition.
4 Fo
r appliance s not addressed abov
e acceptance should be obtain ed from the Technical
Reg
ulator .
5
Minimum clea rances d an d e also apply to any comb ustion air in take openings of appliances.
FIGURE 6.2 (in part) LOCATION OF FLUE TERMINALS OF BALANCED FLUE,
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