OFF
230V~
50 Hz
OFF
OFF
230V~
50 Hz
OFF
1 2
1 2
L N
U1
L N
U2
NC C NA
NC C NA
M
1 2
1 2
L N
U1
L N
U2
NC C NA
NC C NA
M
D
E
F
p.
6
F
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08
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7/
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Once the wiring and cables are all connected, replace the terminal caps
.
CLOSED
OPEN
OPEN
LOAD
LOAD
Electrical connections
NOTE. For connections, please
refer the corresponding technical
literature.
KEY
Mains power-supply conductors
N = neutral L = phase
Relay contacts
C = common
NA = contact normally open
NC = contact normally closed
Loads
U1 = burner, circulation pump,
electric valve, etc..
U2 = motor-powered valve
The 1-2 terminal connected to a
specific interface is for remotely
activating a special program (see
"Remote activations" on page6).
Fasten the base to the wall or to the
recess-mounting box while thread-
ing the connection cables through
the corresponding opening
D
.
Note. Do not excessively tighten
the screws.
