Product Description; Scope Of Delivery; Optional Accessories; Product Functions - Sentiotec O-A2-9 Instructions De Montage

Instructions for installation and use p. 8/28

3. Product description

3.1. Scope of delivery

● Single-component sauna control unit
● F1 heater sensor with integrated excess temperature fuse
● Sensor wires
● Installation accessories

3.2. Optional accessories

● F2 bench sensor (item number: O-F2)
● Power booster (item number: O-S2-18 / O-S2-30)

3.3. Product functions

The A2 sauna control unit is used for operating and controlling sauna heaters
within a temperature range spanning 40 °C to 125 °C above the heater. The sauna
control unit functions according to a single sensor system, and features an ex-
cess temperature fuse with a shut-off temperature of 139 °C above the heater.
If the sauna cabin temperature is lower than the set temperature, the sauna
control unit switches on the sauna heater. The sauna heater heats up. If the
sauna cabin temperature exceeds the set temperature, the sauna control unit
switches off the sauna heater. The sauna heater will not heat up again until the
sauna cabin temperature falls below the preset temperature.
For safety reasons, the heating time limit automatically switches off the sauna
control unit after heating for a period of 6 hours.
The A2 sauna control unit has a preset time function. The preset time can be
set to increments of minutes. The maximum preset time totals 23 hours and
45 minutes. Once the preset time has elapsed, the sauna heater switches on.
A power booster allows the maximum contact rating to be increased from 9 kW
to 18 kW or 30 kW.
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