Thermann Installer's Manual
Gas Continuous Flow Water Heaters
CLEARANCES FOR FLUE TERMINAL (front of heater)
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.
Shading indicates prohibited area for
e terminals
= Flue terminal
T
= Gas meter
M
= Mechanical air inlet
I
= Electricity meter or fuse box
P
= Fan-assisted appliance only
Z
Direction of
discharge
See Note 1
See Note 1
Opening into
a building
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,
ROOM-SEALED, FAN-ASSISTED OR OUTDOOR APPLIANCES
AS/NZS 5601.1:2013
Appliances up to 50 MJ/h input
Space heaters up to 50 MJ/h input
Other appliances up to 50 MJ/h input
Appliances over 50 MJ/h input and up to 150 MJ/h input
Appliances up to 150 MJ/h input*
Appliances over 150 MJ/h input up to 200 MJ/h input*
Appliances over 250 MJ/h input*
Ref.
Item
Minimum clearances
mm
Fan
assisted
a
Below eaves, balconies and other projections:
200
Appliances 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)
1 000
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 terminal
500
h
From any other flue terminal , cowl, or combustion air intake *
300
300
300
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 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
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
building with the exception of sub-floor ventilation:
150
500
1 000
Appliances 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 diagonally 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 G as cylinder . A flue terminal
is considered to be a source of ignition.
4 For appliances not addressed abov e acceptance should be obtain ed from the Technical Regulator .
5 Minimum clea rances d and e also apply to any combustion air in take openings of appliances.
FIGURE 6.2 (in part) LOCATION OF FLUE TERMINALS OF BALANCED FLUE,
ROOM-SEALED, FAN-ASSISTED OR OUTDOOR APPLIANCES
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Summary of Contents for TH28ENR6L
Page 9: ...Component Details Example TH50ECR6 series model shown for illustration only Ex TH50ECR6 9 ...
Page 11: ...TH28ENR6 series model shown for illustration only Ex TH28ENR6 11 ...
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Page 50: ...Thermann Installer s Manual Gas Continuous Flow Water Heaters 50 Memo ...
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