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Vertical Installation; Horizontal Installation; Regulations; Installation (Only By An Authorised Technicians) - Bosch Optiflow Professional GWH12 Installation Manual

Room sealed gas continuous flow water heaters 1 ctd e23/31 f5 l
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12 | Regulations

2.11.2 Vertical installation

Maximum lengths (Lmax)
GWH12
GWH16
GWH20
Table 7

2.11.3 Horizontal installation

Maximum lengths (Lmax)
GWH12
GWH16
GWH20
Table 8
In case of horizontal flue, ensure that the
installations has a fall of 3°.
Equivalent
Accessory
lengths (Leq)
Ø
Ø 60/100
45° elbow
Ø 60/100
90° elbow
Table 9
3
Regulations
Any local by-laws and regulations pertaining to installation and
use of gas-fired appliances must be observed.
This appliance must be installed in accordance with the
manufacturers installation instructions, AS/NZS5601 and all
Local Building & Gas fitting regulations
It is recommended that sanitary fixtures used for the purpose
of personal hygiene have a temperature limiting device such as
a tempering valve be fitted as per AS3498.
6 720 810 560 (2016/06)
Lmax
Concentric pipes
12 m
10 m
Lmax
Concentric pipes
8 m
6 m
Leq
Min Length
2 m
0.375 m
4
Installation (only by an authorised
technicians)
DANGER: Explosion!
▶ Always shut off the gas valve before
carrying out work on gas pipes.
The appliance installation, electrical
connection, gas connection, connection of
the flue system, and the initial start-up, are
operations to be carried out by authorised
technicians only.
NOTICE: Damage to the appliance!
▶ Do not place the device on the floor with
the connections facing downwards as
this may damage the appliance.
Installation in marine environments can lead
to premature corrosion. Premature
corrosion due to the installation environment
would not be covered by warranty.
Not suitable for pool or spa pool applications.
WARNING: Scalding!
This appliance can deliver water exceeding
50 °C.
▶ Please refer to AS/NZS 3500.4 local
requirements and installation
instructions to determine if additional
delivery temperature control is required.
4.1

Important information

▶ Before carrying out the installation, consult the gas supply
company and the standard on gas appliances and
ventilation of rooms.
▶ Install in accordance with AS/NZS5601, AS/NZS3500.4,
NZS5261 and all local building, water and gas fitting
regulations.
Optiflow Professional

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