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STVkW ed 07/08 VICTRIX 24 kW Export
Technical DocumentationTechnical Documentation
Loads.
Displays the functioning values and error codes intervening on the boiler. Moreover, it in-
dicates the status and functioning mode of the boiler by means of appropriate symbols.
Display board
(A4)
Allows the control of 1 additional zone valve by means of CAR, which must be set in On/O
mode (see CAR functioning).
P.C.B. to a relay
(optional)
Guarantees the ow of air in the air-gas mixing pipe and the escape of combustion prod-
ucts.
It is powered by the integrated P.C.B.
Fan
(M20)
Enables functioning in CH mode when the room temperature is
below that requested.
If the CAR is installed, the room thermostat must be disconnected
without restoring the pre-existing jumper X40.
Room thermostat (S20)
(external optional)
Contact in
cut-o
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