Bosch HPC 400 Operating Instructions Manual page 30

User interface

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30 | Working with the main menu

Set correct time correction (Time correction)

Example of calculation of the value for time correction with a

deviation of approx. – 6 minutes per year (the control unit

clock runs 6 minutes late):

•

– 6 minutes per year = – 360 seconds per year

•

1 year = 52 weeks

•

– 360 seconds: 52 weeks = – 6.92 seconds per week

•

Increase time correction to 7 seconds per week.

Calibrate room temperature sensor (Room temp. sen. adj.)

▶ Locate a suitable thermometer close to the user interface

so that they are both subject to the same heat influences.

▶ Keep heat sources such as direct sunlight and body heat,

etc., away from the user interface and the thermometer for

one hour.

▶ Open the menu for sensor calibration.

▶ Turn the selector to set the correction value for the room

temperature. For example, if the thermometer is showing a

temperature 0.7 °C higher than the user interface, increase

the setting value by 0.7 K.

▶ Press the selector.

The user interface operates with the modified settings.

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