Bosch Tronic TR4500T 50 EB Installation Manual page 4

Key to symbols and safety instructions
Installation and conversion
▶ Only permit an authorised service to
install this appliance.
▶ Do not install a stop valve between
the water heater and the safety valve,
because it will impair the pressure
protection of the heater!
▶ Before connecting it to the power
supply, the water heater must be
filled with water!
▶ The heater is equipped with an
additional thermal cut-off for
protection in case of failure of the
operating thermostat. In this case,
however, the temperature of the
water in the heater can reach up to
130 °C according to the safety
standards. During the water supply
installation, the possibility of
temperature overloads should be
taken into account.
▶ If the heater is to be disconnected
from the power supply, please drain
any water from the heater to prevent
freezing.
▶ Water can be drained from the heater
through the boiler inlet pipe. For this
purpose it is advisable to install a T-
element with an outlet valve between
the inlet pipe and safety valve.
▶ Never obstruct the safety valve outlet.
▶ During the heat-up, water may be
expelled from the safety valve.
4
Maintenance
▶ Only authorised technicians are
permitted to service this appliance.
▶ Isolate the appliance from its power
supply before commencing any
maintenance work on the appliance.
▶ Customers are responsible for the
safety and environmental
compatibility of the appliance as well
as its maintenance.
▶ Use only original spare parts.
▶ To ensure compliance with all safety
requirements, a defective power
cable may only be replaced by an
authorised service.
▶ Please do not try to fix any defects of
the water heater on your own. Call the
nearest authorised service provider.
Instructing the customer (for the
installer)
▶ Instruct the customer in the function
and operation of this appliance.
▶ It is the responsibility of customers to
carry out regular maintenance and
inspections.
▶ The appliance must be serviced
annually.
▶ Inform customers that they must not
carry out any modifications or
repairs.
Safety of electrical appliances for
domestic use and similar purposes
The following requirements apply in
accordance with EN 60335-1 in order to
Tronic – 6 720 884 457 (2018/02)