For the Professional
2.9
Water connection
Examples of installations with conventional pressure fitting (Fig. 6)
Items to be provided by client:
1 Blender fitting for shower
2 Blender fitting for sink
3 Copper pipe
4 T-piece
Connection above work surface (Fig. 7)
– Connect the water connection fitting to the surface-mounted installation (see Fig. 7, No. 1 and 2).
2.10
Electrical connection
1
Heating system
2
Safety temperature limiter
3
Control electronics with flow-rate sensor
4
Supply terminal
The supplied cable grommet must be used to protect against water penetration. Cut out the
cable grommet so that it fits the electric supply cable.
– For concealed installation, the connection lead must project with insulation at least 65 mm out of
the wall (Fig. 9).
3
First start-up
(may only be carried out by a qualified installer)
Before screwing in/switching on the fuses, all the hot water valves connected are to be opened
sufficiently for the pipe network and the unit to be rendered free of air.
– Check that the small instantaneous water heater is functioning properly.
3.1
Handover of the unit
Explain to the user how the unit works, and familiarise them with its operation.
– Advise the user about possible hazards (danger of scalding).
– Hand over these instructions to be kept in a safe place.
3.2
Servicing instructions
Applicable to all maintenance work disconnect unit from the mains circuit.
3.2.1
Clean the filter
Shut off the cold-water line. Then detach the cold-water connecting pipe downwards and clean the
screen (1). Assemble in the reverse order.
3.2.2
Activate the safety thermal cut-out
Once tripped, the safety thermal cut-out can be reactivated after the fault has been rectified by means
of the reset button (Pos. 1). The current to the unit must be disconnected.
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