Choice Of Installation Site; 4.1.1 Regulations Concerning The Installation Site; Minimum Clearances - Bosch OptiFlow Professional GWH12 1 CTD E23 F3 OL Installation Manual

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.
Ventilation requirements as per
AS/NZS5601.
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.
OptiFlow Professional
Installation (only by authorised technicians) | 11
N
A
J
N
C
J
B
F
Flue terminal positions
for water heaters in accordance
with AS/NZ5601
P
E
E
Fig. 5 Minimum flue clearances (use as a guide only, always
AS/NZS5601 ).
Item
A Below eaves, balconies and other
projections
B From the ground, above a balcony or other
1)
surface
C From a return wall or external corner
D From a gas meter (GM)
E From an electricity meter or fuse box (P)
F From a drain pipe or soil pipe
G Horizontally from any building structure
or obstruction facing a terminal
H From any other flue terminal, cowl, or
1)
combustion air intake
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
Appliances over 150 MJ/h input up to 200
1)
MJ/h input
K From a mechanical air inlet, including a spa
blower
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
Table 6
A
A
K
H
K
C
K
C
D
D
GM
B
B G
A
J
K
G
B
6720817545-09.2V
Min.clea-
rance (mm)
300
300
1)
300
1000
2)
500
75
1)
500
300
1)
300
300
1000
1000
6 720 810 559 (2016/06)
H