![Bosch WR 11 B Installation Manual And Operating Instructions Download Page 11](http://html.mh-extra.com/html/bosch/wr-11-b/wr-11-b_installation-manual-and-operating-instructions_52918011.webp)
6720648592 (2014/05)
Regulation | 11
Empty the appliance of all water.
Fig. 10
Purge
[1] Retaining clip
[2] Threaded bushing
3.7
Cleaning
Clean the front cover using
a damp cloth and detergent.
4
Regulation
Any local by-laws and regulations pertaining to installation and
use of gas-heated appliances must be observed. Please refer to
the laws that should be attended in South Africa.
5
Installation (must be carried out only by
qualified technicians)
5.1
Important information
Before installing, call th
e gas company and check the
standard relating to gas heaters and ventilation
requirements for rooms.
Install a gas cut-off valve as close as possible to the heater.
After finishing the gas system, the pipes must be
thoroughly cleaned and leak-tested; to avoid damaging the
gas valve by excess pressure, th
is test must be performed
with the gas valve of the heater closed.
Check if the heater corresponds to the type of gas
provided.
Check if the flow and pressure through the installed
reducer are appropriate for the consumption of the heater
(see technical data in the table 4).
5.2
Selection of the place of installation
Requirements regarding the place of installation
•
Do not install the heater in r
ooms with a volume of less than
8 m
3
(not including the volume of the furniture providing
this does not exceed 2 m
3
.
•
Comply with the specific in
structions for each country.
•
Assemble the gas heater in a well-ventilated location where
it will not be exposed to temperatures below zero and in a
place where there is an evacuation pipe for combustion
gases.
•
The gas heater must not be
installed over a heat source.
•
To avoid corrosion, the combustion air must be free from
harmful substances. Examples of particularly corrosive
substances: halogenated hy
drocarbons contained in
solvents, paints, glues, engine
gases and various domestic
detergents. If necessary,
take adequate measures.
•
Respect the minimum installati
on clearances indicated in
Fig. 11.
•
The heater must not be inst
alled in locations where the
room temperature can reach 0 °C.
In case of a frost risk:
Turn off the heater,
Remove batteries,
Purge the heater (
section 3.6).
Do not use abrasive or corrosive cleaners.
DANGER: Explosion!
Always turn off the gas cock before
carrying out any work on components
which carry gas.
Installation, electrical connection, gas
installation, connection of inlet and exhaust
pipes and initial of the water heater may only be
carried out by a registered installer and that
such installations shall comply with the
requirements of SANS 10087-1.
6720617434-02.1Av
2
1
The appliance can only be
sold in the countries
mentioned in the type plate.