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VALVE
OPEN
M
CLOSED
U2
LOAD
U1
①
②
Electrical connections.
N L
The connections are made according
to the type of equipment controlled by
the programmable thermostat.
Figures D and E refer to the
mains-powered programmable ther-
mostat but are also valid for the
battery-powered version, only for the
part relating to the relay contacts.
Figure F illustrates possible uses of
the terminals
D
the battery-powered model.
① Connection through remote activa-
N L
tion (maximum distance 20 metres),
② Connection through magnetic con-
tact (maximum distance 20 metres),
③ Connection to remote probe
(OH/STI, OH/STE, maximum distance
10 metres),
KEY
Mains power supply wires
N = neutral – L = live
E
Relay contacts
NC = normally closed contact
C = common
NO = normally open contact
Loads
U1 = burner, circulation pump, sole-
noid valve, etc.
U2 = motorised valve
Remote control inputs
(only on battery-powered model)
NOTE: Before connecting up the de-
③
vice, see the technical documentation
for the device to be controlled.
F
present only on
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