6 720 810 559 (2016/06)
OptiFlow Professional
Installation (only by authorised technicians) | 11
4.1
Choice of installation site
4.1.1 Regulations concerning the installation site
▶ Install the appliance outdoors. The top of the unit should be
positioned at less than 1800mm from the ground (the
bottom should remain at more than 300mm).
▶ The water heater may not be installed over a heat source.
▶ Comply with the minimum installation clearances indicated
in Fig. 5 and Table 6.
▶ Ensure that there is an external weatherproof powerpoint
in the area and that it is easily accessible after the
installation of the water heater.
Location of the appliance
The air intake of this appliance is located on the rear of the
housing.
▶ Ensure this intake is free from vegetation and other
obstructions.
In order to prevent corrosion, the combustion air must not
contain any corrosive substances.
Substances classed as corrosion-promoting include
halogenated hydrocarbons which containing chlorine and
fluorine compounds. They may be found in solvents, paints,
adhesives, aerosol propellants and household cleaners.
If these conditions cannot be guaranteed, a different site must
be chosen for the appliance.
Surface temperature
The maximum surface temperature of the appliance is below
85 °C. No special safety precautions are required with regard
to flammable building materials and fitted furniture.
▶ Ensure that local building codes and regulations are
followed.
4.2
Minimum clearances
•
Install the appliance in accordance with the minimum
installation clearances indicated in Fig. 5 and Table 6,
according to AS/NZS5601
•
The appliance must not be installed over a heat source.
•
Do not obstruct the openings of appliance.
•
The appliance must installed in a position that is easily
accessible to allow service work. It is recommended the
appliance is installed no more than 2m from the ground to
the base of the appliance.
•
The areas 30cms above and below the appliance must be
clear of obstacles.
Fig. 5
Minimum flue clearances (use as a guide only, always
AS/NZS5601 ).
Ventilation requirements as per
AS/NZS5601.
Item
Min.clea-
rance (mm)
A Below eaves, balconies and other
projections
300
B From the ground, above a balcony or other
surface
1)
300
C From a return wall or external corner
1)
300
D From a gas meter (GM)
1000
E From an electricity meter or fuse box (P)
2)
500
F From a drain pipe or soil pipe
75
G Horizontally from any building structure
1)
or obstruction facing a terminal
500
H From any other flue terminal, cowl, or
combustion air intake
1)
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 up to 150 MJ/h input
1)
300
Appliances over 150 MJ/h input up to 200
MJ/h input
1)
300
K From a mechanical air inlet, including a spa
blower
1000
N Vertically below an openable window, non-mechanical air
inlet, or any other opening into a building with the
exception of sub-floor ventilation:
Appliances over 50 MJ/h input and up to
150 MJ/h input
1000
Table 6
6720817545-09.2V
N
C
J
B
J
A
C
A
K
G
A
H
N
F
J
A
C
K
B
B
B
G
K
H
Flue terminal positions
for water heaters in accordance
with AS/NZ5601
D
D
GM
P
K
E
E
Summary of Contents for OptiFlow Professional GWH12 1 CTD E23
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