5831
6
WIRING CONNECTIONS TO THE TERMINAL BOARD
(carried out by the installer
)
2645
NOTE:
y
Check the lock-out by darkening the photo-cell after removal of the cover.
ATTENTION HIGH VOLTAGE.
y
In case of supply 220V without neutral, connect the motor and the pre-heater thank through delta (the “star”
connection is the original one, made for 380V).
y
NOTE
In systems where the run of wiring connecting the thermostat exceeds 20 metres in length, or in places where
the burner is subject to particularly disturbing electromagnetic interference (over 10 v/m), you must insert the
relay-interface kit item number 3010386.
220V
380V
A Ampere
T25
T25
B Ampere
T50
T35
C mm
2
2,5
2,5
D mm
2
10
6
H
Remote lock-out signal
I1
Optional switch on-off burner
MB
Burner terminal strip
PS
Reset push - button
SA
High temperature oil alarm
TL
Limit control device system
TS
Safety control device system
T2
Load control system for 2
nd
stage
T3
Load control system for 3
rd
stage
