Electrical Connections; Start-Up - Bosch Tronic ES 030 Series User And Installation Manual

▶ Use the appropriate connection accessories to do the
hydraulic connection to the appliance.
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Fig. 10 Water connection
[1] Galvanic insulator
[2] Hot water outlet
[3] Safety valve
[4] Drain connection
[5] Cut off valve
[6] Reduction valve
[7] Non return valve
[8] Connection to the water line
In order to avoid problems caused by sudden
pressure changes, we recommend the
installation of a non return valve at the
appliance (Fig. 10, [7]).
In the case of freezing:
▶ Switch off the appliance.
▶ Purge the appliance (chapter 6.3).
Safety valve
DANGER:
▶ Install a safety valve at the water inlet of
the appliance (Fig. 10).
NOTICE:
NEVER OBSTRUCT THE PURGE OUTLET OF
THE SAFETY VALVE.
Never install any accessory between the
safety valve and the cold-water inlet (right
hands side) of the appliance.
Tronic – 6 720 816 255 (2018/06)
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6720643873-05.1V
If the pressure at the cold water inlet is
superior to that of 80% of the maximum
pressure of the appliance at, ie: 6,4 bar:
▶ Install a reducing valve (Fig. 10).
The safety valve will trigger every time the
water pressure in the appliance exceeds 8
bar ( 0,5 bar). A facility for draining the
expelled water must be provided.
5.5

Electrical connections

DANGER:
By electrical discharge!
▶ Before working on the electrical
components, firstly cut the power, (fuse,
circuit breaker or other).
All adjusting devices, verification and safety mechanisms were
submitted to a rigorous test in factory and are ready to work.
CAUTION:
Electrical protection!
▶ The appliance should dispose of an
independent connection to the DB board
(electric board), protected by a 30 mA
differential circuit breaker and earthing.
The electrical connection must be realized in
accordance with the current country laws
regarding electrical installations.
▶ Connect the appliance via a socket with earth connection.
5.6

Start-up

▶ Verify that the appliance has been correctly installed and
assembled.
▶ Open the water inlet valves.
▶ Open all the hot water taps in order to ensure all the air is
purged from the piping.
▶ Control the tightness of all the connections and ensure that
the appliance fills to its full capacity.
▶ Connect the appliance to the electric current.
▶ Inform the customer of any user information of the
appliance and handling.
Installation
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