Riello PRESS 140 T/N Installation, Use And Maintenance Instructions page 7

H
Remote lock-out signal
I1
Optional switch on-off burner
MB Burner terminal strip
PS
Reset push - button
SA High temperature oil alarm
NOTE:
Check the lock-out by darkening the photo-cell after removal of the cover.
ATTENTION HIGH VOLTAGE.
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).
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.
5831
WIRING CONNECTIONS TO THE TERMINAL BOARD
(carried out by the installer
)
TL
Limit control device system
TS
Safety control device system
T2
Load control system for 2
T3
Load control system for 3
6
2645
220V 380V
A Ampere T25 T25
B Ampere T50 T35
2
C mm 2,5 2,5
2
D mm 10 6
nd
stage
rd
stage