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230V~
mains
BS-81
4
BS-813
Mains
ground
Yellow-green
wire (PE)
230V~
mains
(
Previous thermostat installation
)
BS-81
2
230V~
mains
(
Previous thermostat installation
)
To burner
(
L)
For new installation a third wire for neutral N
is not required
(
3 wire connection
)
.
The installation MUST be performed by an
authorized electrician. Otherwise the
warranty will be invalid.
Electrical connections
Electrical connections
The installation MUST be
performed by an
authorized electrician.
Otherwise the warranty
will be invalid.
For new installation a third wire for neutral N
is not required
(
2 wire connection
)
.
The installation MUST be performed by an
authorized electrician. Otherwise the
warranty will be invalid.
Neutral blue wire
(Ν).
IS NOT CONNECTED
Live Brown wire
(
L)
Neutral blue wire
(Ν).
IS NOT CONNECTED
Live wire
(L)
to burner
Live wire
(L)
to
Boiler
Live Brown wire
(
L)
Heating element
(2
.
8
kW maximum
)
Blue wire
(Ν)
Yellow-green
wire (PE)
Brown wire
(
L)
Neutral blue wire
(Ν)
Brown wire
(
L)
