6
TECHNICAL DATA
AS 5601 CLEARANCE REQUIREMENTS.
NOTES:
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 not addressed above acceptance should be obtained from the technical regulator
FIGURE 5.3(in part) MINIMUM CLEARANCES REQUIRED FOR BALANCED FLUE TERMINALS, FAN-ASSISTED
FLUE TERMINALS, ROOM-SEALED
APPLIANCE TERMINALS OR THE TERMINALS OF OUTDOOR APPLIANCES
Ref.
Below eaves, balconies and other projections:
a
f
Appliances up to 50MJ/h input
300
200
Appliances over 50MJ/h input
500
300
From the ground, above a balcony or other surface
b
300
300
From a return wall or external corner
c
c
500
300
From a gas meter(M) (see 4.7.11 for vent terminal location of regulator)
d
1000
1000
From an electricity meter or fuse box (P)
e
500
500
From a drain pipe or soil pipe
f
150
75
Horizontally from any building structure or obstruction facing a terminal
g
500
500
From any other flue terminal, cowl, or combustion air intake
h
500
300
Appliances up to 150MJ/h input
500
300
Appliances over 150MJ/h input up to 200MJ/h input
1500
300
Appliances over 200MJ/h input up to 250MJ/h input
1500
500
Appliances over 250MJ/h input
1500
1500
All fan-assisted flue appliances, in the direction of discharge
-
1500
From a mechanical air inlet, including a spa blower
k
1500
1000
Horizontally from an openable window, door, non-mechanical air inlet, or any other opening into a building with the
exception of sub-floor ventilation:
j
Space heaters up to 50MJ/h input
150
150
Other appliances up to 50MJ/h input
500
500
Appliances over 50MJ/h input and up to 150MJ/h input
1000
1000
Appliances over 150MJ/h input
1500
1500
Vertically below an openable window, non-mechanical air inlet, or any other opening into a building with the exception
of sub-floor ventilation:
n
Item
Minimum clearances
(mm)
Fan
assisted
Natural
draft
Unless appliance is certified for closer installation
j
j
Door
g
h
j
I
T
Flue terminal
M
P
Openable
window
n
k
k
h
a
See note3
See note2
T
T
T
e
e
d
c
g
h
d
b
I
LEGEND:
Mechanical air inlet
M
Gas meter
Shading indicates prohibited
areas for flue terminals
P
Electricity meter or fuse box
