The Optima thermostats have a so-called potential-free switching contact, which initially does not output any voltage. It is therefore necessary to connect a bridge from the phase (L) to one terminal of the switching output. One connection line of the heating film / heating mat is then connected accordingly to the other terminal of the switching output. The other lead of the heating film / heating mat is connected directly to the neutral conductor (N).
Optima WLAN Classic TH08W Thermostat (Art.Nr. 1028)
Optima WLAN 7" Touch Thermostat (Art.Nr. 1031)
Optima WLAN Basic Thermostat (Art.Nr. 1027)
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