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Minimum Clearances; Installing The Appliance - Bosch Optiflow GWH16 3 CT E23 F6 L S2405 Installation Manual

Gas continuous flow water heaters
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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 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.
▶ Ensure 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.
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
Optiflow
A
A
K
H
K
C
K
C
D
D
GM
B
B
G
A
J
K
G
B
6720817545-09.2V
Installation (only by authorised technicians) | 11
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
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
Appliances over 150 MJ/h input
Table 6
1) unless appliance is certified for closer installation
2) Prohibited area below electricity meter or fuse box extends
to ground level
4.3

Installing the appliance

H
NOTICE: The appliance may be damaged if
dirt is allowed to enter via the gas or water
connections.
▶ Purge the pipes to eliminate
▶ Remove the appliance from the packaging.
▶ Check that all the items indicated are included
(section 2.3).
▶ Remove the covers from the gas and water connections.
▶ Check that the gas type available matches that shown on
the sticker on the front of appliance, and on its dataplate.
1)
1)
1)
possible foreign bodies.
6 720 817 545 (2016/02)
Min.clea-
rance (mm)
300
300
300
1000
2)
500
75
1)
500
300
300
300
1000
1000
1500

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