Harvia Sentiotec Pro D Serie Instructions De Montage Et Mode D'emploi page 88

Installation instructions, for professionals only
4. Installation
4.1. Installing the power supply unit
ATTENTION!
Damage to the unit
The sauna control unit is protected against splashing water, however direct
contact with water could still damage the unit.
● Install the sauna control unit in a dry place at which a maximum humidity of
95% is not exceeded.
ATTENTION!
Sources of interference can have a negative effect on signal transmission
● Route all sensor leads separately from other mains cables and control leads.
● Use conduit to protect wires with only one layer of insulation (double insulation).
Observe the following points when installing the sauna control unit:
● The power supply unit of the sauna control unit must be installed outside the
sauna room or in accordance with the recommendation issued by the sauna
manufacturer.
● The ambient temperature must be within a range spanning -10 °C to +40 °C.
● The sensors may only be connected using the sensor leads supplied with the
unit, which are heat-resistant up to 150 °C.
The sensor leads may be extended under the following conditions:
● If a silicon lead resistant to temperatures up to 150 °C is used.
● The minimum cross-sectional area of the wire is 0.5 mm
● The length of the heater sensor leads must NOT exceed 10 m.
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