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A
~
C
NC
NO
B
~
C
NC
NO
C
OFF
230 V~
50 Hz
VALVE
OFF
CLOSED
M
OPEN
U2
OFF
230 V~
50 Hz
OFF
LOAD
U1
Electrical connections
The connections are made ac-
N L
cording to the type of equipment
controlled by the programmable
thermostat.
KEY
Mains power supply wires
N = neutral – L = live
Relay contacts
NC = normally closed contact
C = common
NO = normally open contact
Loads
U1 = burner, circulation pump,
N L
solenoid valve, etc.
U2 = motorised valve
NOTE. Before connecting, refer
to the technical documentation
of the device to be controlled.
Device reset
If necessary lightly press the
button inside the opening shown
in figure C; release the button
as soon as the screen darkens
and wait a few seconds before
starting normal use of the device
again.
NOTE. This operation does NOT
lead to any programming being
deleted.
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