Installazione
9
2 - ELECTRICAL CONNECTIONS
Wiring will depend on the type of
equipment to be controlled by the
programmable thermostat: refer to
the diagram in fig. 7, 8, 9 or 10.
KEY
Mains power supply wires
N =
neutral
L =
live
Relay contacts
C =
common
NA =
normally open contact
NC =
normally closed contact
NOTE. Should it be necessary to use
the NC connection within the instal-
lation remove the breakable tab that
blocks access to the terminal block.
Loads
U1 =
boiler, circulation pump, sole-
noid valve, etc.
U2 =
motorised valve
NOTE. For connection details, refer to
the technical documentation of the
device to be controlled.
Remote control or magnetic switch
inputs
1
input
2
input
L
N
NC
NA
C
1 2
U2
LOAD
M
CLOSED
OPEN
L
N
NC
NA
C
1 2
U1
LOAD
L
N
NC
NA
C
1 2
7
8
9
10
NC
NA
C
1 2
NA
NC
NA
C
1 2
NC
Remote control
activation
connection
Magnet
switch
connection
A
B
