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2.2 Collegamenti elettrici
AVVERTENZA
I collegamenti elettrici devono essere effettuati da
personale qualificato.
1. Interrompere l’alimentazione elettrica della caldaia.
2. Accedere alla scheda elettronica SCU della caldaia.
¼ Fare riferimento alle istruzioni di installazione e di
manutenzione della caldaia (Capitolo: Collegamenti elettrici).
3. Collegare il comando a distanza sulla morsettiera corrispondente
alla sonda ambiente di un circuito.
AVVERTENZA
Non posizionare assolutamente nello stesso condotto per
cavi i fili delle sonde (a bassissima tensione) e quelli con
alimentazione a 230 V. Assicurarsi anzi di mantenere una
distanza di almeno 10 cm tra i cavi a bassa tensione e quelli
a 230 V.
4. Mettere la caldaia sotto tensione.
Al primo collegamento,il comando a distanza visualizzerà
tutti i segmenti del display per la durata della
sincornizzazione con la caldaia.
A000851-B
0-10V
S AMB C
4 3 2 1 2 1
+ -
S AMB B
2 1
S AMB A
2 1
S SYST + TA -
S ECS S EXT S DEP C
2 12 12 12 1 2 1
S DEP B
2 1
SCU
MODE r
x0 2 4 6 8 10 12 14 16 18 22 2420
°C
2 x 0,75 mm2 mini
2. Installazione AD254 - AD285
66 13/02/2013 - 300020537-001-03
IT
66


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