Bosch TR2000T50B Installation And Operating Instructions Manual page 159

Explanation of symbols and safety instructions
▶ The electrical installation must
include, the value of the device, an
omnipolar disconnecting device
(circuit breaker, fuse) according to
the local installation rules in force
(30 mA differential circuit breaker
and earthed).
▶ Whenever applicable, the installation
of the appliance and/or the electrical
accessories must comply with
standard IEC 60364-7-701.
▶ The appliance must be installed in a
facility free of the risk of frost.
▶ The appliance was designed to be
used in an altitude of up to 3000
metres.
▶ Before conducting the electrical
connections, the hydraulic
connections must be made first and
then you should attest the tightness.
▶ During the installation, please turn off
the appliance from electricity.
H Electrical work
Electrical work must only be carried out
by electrical installation contractors.
Before starting electrical work:
▶ Isolate all poles of the mains voltage
and secure against reconnection.
▶ Make sure the mains voltage is
disconnected.
▶ Observe the wiring diagrams of other
system components as well.
158
H Assembly, modifications
▶ The assembly of the appliance, as well
as any changes regarding its
installation, can only be carried out by
an authorised contractor.
▶ Never obstruct the vent pipe of the
pressure relief valve.
▶ The drain line from the pressure relief
valve must be installed downwards in
a frost-free location and it must also
remain open to the atmosphere.
▶ During the heating, water may be
released from the discharge pipe of
the pressure relief valve.
H Maintenance
▶ Maintenance must only be carried out
by an authorised contractor.
▶ Always switch off the appliance from
the electricity before carrying out any
maintenance work.
▶ The user is responsible for the safety
and environmental compatibility of
the installation and/or maintenance.
▶ Only original spare parts should be
used.
▶ If the power cable is damaged, it can
only be replaced by the manufacturer,
the manufacturer's after-sales
service, or professionals who are
qualified to prevent dangerous
circumstances.
H Inspection and maintenance
Regular inspection and maintenance are
prerequisites for safe and
Tronic 1000 T | Tronic 2000 T – 6721831855 (2021/06)