10 | Installation
DANGER: Risk of electric shock!
▶ For safety reasons, disconnect the
power supply to the heater before any
service or testing is performed.
▶ This heater must be electrically
grounded in accordance with the most
recent edition of the National Electrical
Code. NFPA 70. In Canada, all electrical
wiring to the heater must be in
accordance with local codes and the
Canadian Electrical Code, CSA C22.1
▶ The installation must only be performed
by a qualified person in accordance with
▶ Bosch Thermotechnology Corp. is not
responsible for improperly installed
▶ The heater must only be mounted in a
horizontal position with the water
fittings located at the bottom of the
heater. Under no circumstances should
the heater be mounted differently.
▶ The appliance should be located in an
area where leakage of the heater or
connections will not result in damage to
the area adjacent to the appliance or to
lower floors of the structure.
Please follow these instructions. Failure to follow instructions
may result in:
Damage or injury.
Loss of warranty.
6 720 646 951 (2015/04)
Selection of place of installation
WARNING: Risk of freezing!
▶ Do not install the water heater in an area
where there is a chance of freezing.
Damage to the water heater as a result
of freezing will not be covered under
If being used in a public place, locate the heater out of easy
reach to discourage vandalism.
Mount the unit onto a flat section of wall, well away from
any potential splashes of water or spray and away from
areas where direct moist or wet contact could occur.
Install the heater in a place that provides easy access for
any service or maintenance.
4.2.1 Freeze prevention
▶ ELECTRICITY IS EXTREMELY
DANGEROUS. TAKE EXTRA
PRECAUTIONS AND ENSURE ALL
CIRCUIT BREAKERS ARE OFF BEFORE
PERFORMING ANY WORK TO THE
▶ Indoor installation only, where it will
NOT be exposed to freezing.
Please note that the installation manual states that the water
heater must not be installed in a location where it may be
exposed to freezing temperatures. If the heater must be left in
a space that is likely to experience freezing temperatures, all
water must be drained from the heater. See Section 6.
Freeze damage is not covered under the warranty.
Use of chemical agents such as anti-freeze
are not allowed as they may cause damage to
the water heater's internal components.