Regulations; Installation (Only By Authorised Technicians) - Bosch OptiFlow Professional GWH12 1 CTD E23 F3 OL Installation Manual

10 | Regulations

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.
This appliance must not be installed indoors or in an enclosed
space as per AS/NZS5601.
4 Installation (only by authorised
technicians)
DANGER:
This appliance must not be installed indoors.
DANGER: Explosion!
▶ Always shut off the gas valve before
carrying out work on gas pipes.
The appliance installation, electrical
connection, gas connection, and the initial
start-up are operations to be carried out by
authorised technicians only.
CAUTION:
▶ The temperature of the incoming water
of the appliance must not exceed 80 °C.
▶ If the incoming water temperature
exceeds 80 °C, fit a 3-way or
thermostatic valve adjusted to less than
80 °C (solar transfer valve).
▶ In the case of a thermal solar system,
ensure that the installation has an
expansion vessel or valve.
Installation in marine environments can lead
to premature corrosion. Premature
corrosion due to the installation environment
would not be covered by warranty.
6 720 810 559 (2016/06)
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 for additional temperature
control requirements.
Thermal solar system (thermosiphon)
6
Fig. 4 Thermal solar system
[1] Incoming water
[2] Pre heated water line
[3] Thermostatic valve
[4] Expansion tank or valve
[5] Pressure relief valve
[6] Hot water line
3
4
5
1
2
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OptiFlow Professional