External Connections - Palazzetti IDRO Instrucciones De Uso

6.6.3 Starting
To start, press the switch down, "I", (On) (Fig. 6.6.5).

6.6.4 External connections

Where available, on the upright of the stove are
installed (Fig. 6.6.4):
‡ TA =Room thermostat
‡ RS232 =Palazzetti serial connection for internal
use
6.6.5 Thermostat connection
THERMOSTAT CONNECTION TERMINAL
BLOCK (Fig. 6.6.4)
If a thermostat (TA) is used it has to be connected to
the terminal block at the back of the stove, following
the diagram given in Fig. 6.6.4.
Room thermostat (N.C.= Normally closed)
If the board is connected to a room thermostat
whose contact opens upon reaching room
WHPSHUDWXUH WKH VWRYH RSHUDWHV DW WKH ¿UVW SRZHU
level (minimum operating level) while keeping the
standard functioning unchanged.
Disconnect the mains power supply before
proceeding with connections.
The room thermostat must be the free contact type.
(There must be no output voltage).
6.6.6 External Water Probe Connection (SA)
The fireplace is set up for connection with an
external water probe (CHORO - Palazzetti heating
system).
The puffer sensor must be activated by the technical
service centre.
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INSTALLATION
cod. 00 477 1490 - 11/2013 - PN - Italy
TA
Fig. 6.6.4
Fig. 6.6.5