Clearances For Outdoor Heater Locations - As5601 - Takagi GS-20W-AU5 Installation Manual And Owners Manual

CLEARANCES FOR OUTDOOR HEATER LOCATIONS – AS5601
f
T = Flue terminal
I = Mechanical air inlet
Ref.
Below eaves, balconies and other projections:
a
・ Appliances up to 50MJ/h input
・ Appliances over 50MJ/h input
b
From the ground, above a balcony or other surface*
c
From a return wall or external corner*
d
From a gas meter (M) (see 5.11.5.9 for vent terminal location of regulator)
e
From an electricity meter or fuse box (P)
f
From a drain or soil pipe
g
Horizontally from any building structure* or obstruction facing a terminal
h
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
j
・ 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
k
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
n
・ 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
*- 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.
j
j
Openable
window
Door
n
k
I
c
k
M = Gas meter
P = Electricity meter or fuse box
Item
T
j
h
e
e
h
P
h
T
g
See note 2
Shading indicates prohibited
areas for flue terminals
9
a
c
See note 3
d
g
M
d
b
Minimum clearances
(mm)
Natural
draft assisted
300
500
300
500
1000
500
150
500
500
500
1500
1500
1500
150
500
1000
1500
T
Fan
200
300
300
300
1000
500
75
500
300
300
500
1500
1500
1000
150
500
1000
1500