Sensor Operating Modes - Harvia sentiotec just sauna fin Instructions For Installation And Use Manual

Instructions for installation and use
– If one of the following infrared heat plates is connected to an additional
output, the foil sensor P-ISX-FF must be used, and must be activated
when first starting operation (see 8.5. Activating/deactivating the foil
sensor on page 26):
● IR-WP-100, IR-WP-175, IR-WP-390, IR-WP-510
● IR-WPHL-100, IR-WPHL-175, IR-WPHL-390, IR-WPHL-510
● Automatic heating period limiter
If the operating unit has been running continuously for 6 hours, the sauna
control unit switches off all the consumers for safety reasons. The operating
unit switches to standby mode.
● Status output
● Excess temperature fuse
The excess temperature fuse is installed in the housing for the heater sen-
sor. Should the sauna heater continue heating after reaching the preferred
temperature due to a defect, the excess temperature fuse switches the sauna
heater off at a temperature of approx. 139 °C.

3.4. Sensor operating modes

The sauna control unit can be operated with one or two temperature sensors.
Single sensor mode (F1)
Single-sensor mode must be activated when starting up the sauna for the first
time (see 8.2. Activating single-sensor mode on page 25).
In single-sensor mode, the sauna control unit is operated with the heater sensor
with an excess temperature fuse (F1) only. In single-sensor mode, the sauna control
unit only displays the set temperature. The actual temperature is not displayed.
Two-sensor mode with bench sensor (F2)
The second temperature sensor is installed above the rear sauna bench (bench
sensor). In two-sensor mode, the sauna control unit displays the temperature
measured by the bench sensor as the actual temperature.
WORLD OF WELLNESS
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