Bosch TR4000 Installation And Operating Instructions Manual page 12

Safety information
material damage and personal injury,
including possible loss of life.
▶ Read the installation instructions
(heat source, heating controller, etc.)
before installation ( chapter 2).
▶ Observe the safety instructions and
warnings.
▶ Observe national and regional
regulations, technical rules and
guidelines.
• The appliance may only be
connected and put into operation
by a qualified professional.
• In order to avoid potential sources of
danger, repairs and maintenance may
only be undertaken by a suitably
qualified specialist. Improper repairs
can lead to risk of serious to the user.
• Shut off the water supply before
connecting the appliance. The
electrical connection must be
disconnected from the mains supply.
Unscrew the fuse or switch off the
circuit breaker.
• Never open the appliance without
disconnecting the power supply
beforehand.
• Only connect the continuous-flow
heater to a cold water line.
• Connect the water supply first,
circulate water through the appliance
and then connect the electrical
supply.
• Observe the statutory regulations as
well as the connection regulations of
12
the electrical and water utility
companies.
• Compliance with the IEC60364-7-
701 (DIN VDE 0100 Part 701) must
be observed during installation of the
appliance or the electrical
accessories.
• The continuous-flow heater is a Class
I appliance and must be connected to
the protective earth.
• Permanently installed appliances
must be permanently connected to
fixed wiring. The conductor cross-
section must comply with the
appliance being installed.
CAUTION:
Earthed water pipes may give the
appearance of a connected protective
earth.
• During installation, an all-pole
separator must be fitted
with a minimum contact gap of 3 mm,
according to chapter 4.
• Ensure that the inlet water pressure,
maximum and minimum, is according
with the value specified by the
manufacturer ( chapter 4).
• The water inlet of this appliance shall
not be connected to inlet water
obtained from any water heating
system.
• The continuous-flow heater is suitable
for connection to DVGW-tested
plastic pipes.
TR4000 | TR4000R – 6 720 876 021 (2019/06)