Periodic Cleaning; Long Standing - Non Working (More Than 3 Months); Required Actions After Any Maintenance Work Has Been Carried Out - Bosch Tronic TR4500T 50 EB Installation Manual

Inspection/Maintenance
WARNING:
It is forbidden to operate the appliance
without an installed magnesium anode.
WARNING:
The magnesium anode needs to be tested
every second year and replaced if
necessary, failing to do so will result in the
termination of the warranty. The appliance
without this type of protection will not be
covered by the manufactures warranty.
▶ Switch off the circuit breaker feeding the appliance.
▶ Before starting, verify that the appliance is disconnected
from the electric current.
▶ Completely drain the appliance ( section 6.5).
▶ Remove the lid of the appliance, by unscrewing the fixing
screws.
▶ Unscrew the flange fastening nut.
▶ Disconnect the connecting cables to the thermostat [1].
▶ Remove the flange [2].
▶ Verify the magnesium anode and replace it if necessary.
3
2
1
Fig. 13 Access and identifying internal components
[1] Fastening screw
[2] Flange
[3] Magnesium anode
18
672087523-07.1V

8.2.3 Periodic cleaning

DANGER: Burn risk!
During the periodic cleaning process the hot
water may cause serious burns.
▶ Carry out this operation outside working
hours.
▶ Turn off all hot water taps.
▶ Inform all residents of the danger of burns.
▶ Position the thermostat on the maximum position (
Fig. 11).
▶ Wait until the indicator turns off.
▶ Open all the hot water taps, starting with the nearest one to
the furthest one from the appliance, and purge all the hot
water from inside the appliance, at least 3 minutes.
▶ Turn off all the hot water taps, and position the thermostat
on the normal working position.

8.2.4 Long standing - non working (more than 3 months)

After a long period of inactivity you should
change the water inside the appliance (more
than 3 months).
▶ Switch off the electric current to the appliance.
▶ Drain the appliance completely.
▶ Fill the appliance until the water comes out from all the hot
water taps.
▶ Turn on the appliance to the electric current.
8.3 Required actions after any maintenance work
has been carried out
▶ Refasten and check the fastness of all the water
connections.
▶ Turn on the appliance.
Tronic – 6 720 884 457 (2018/02)