Operating Instructions and Installation Instructions

Installation - for qualied contractors

11. Commissioning

WARNING Electrocution

Commissioning may only be carried out by a qual-

ied contractor in accordance with safety regula-

tions.

11.1 Initial start-up

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» Open and close all connected draw-off valves sever-

al times, until all air has been vented from the pipe-

work and the appliance.

» Carry out a tightness check.

» Enable the safety pressure limiter by rmly pressing

the reset button (the appliance is delivered with the

safety pressure limiter disabled).

» Plug the temperature selector cable plug into the

PCB.

» Fit the appliance cover, ensuring it clicks into place.

Check that the appliance cover is seated correctly.

» Switch the mains power ON.

» Check the function of the appliance.

Appliance handover

» Explain the appliance function to users and familiar-

ise them with its operation.

» Make users aware of potential dangers, especially

the risk of scalding.

» Hand over these instructions.

11.2 Recommissioning

Vent the appliance and the cold water inlet line (see chap-

ter “Settings”).

See chapter “Initial start-up”.

12. Shutting down

» Isolate all poles of the appliance from the power

supply.

» Drain the appliance (see chapter “Maintenance”).

13. Troubleshooting

WARNING Electrocution

To test the appliance, it must be supplied with power.

Possible indications of diagnostic trafc light

(LED)

Red Illuminates in the event of a fault

Yellow Illuminates during heating mode

Green Flashing: Appliance is supplied with mains

power

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1 Diagnostic trafc light