Riello PRESS 300 T/N ECO Installation, Use And Maintenance Instructions page 51

3.3 ELECTRICAL CONNECTIONS TO THE TERMINAL STRIP
IN Optional on-off switch
MB Burner terminal strip
H Remote lock-out signal
PS Reset push - button
SA High temperature oil alarm
NOTE:
Check the lock-out by darkening the photocell after removal of the cover.
❱
ATTENTION HIGH VOLTAGE.
The "star" connection is the original one, made for 400V.
❱
If the supply is 230V change the motor and tank connection (from star to delta) and the calib ration of the
thermal relay.
NOTE
❱
In systems where the length of wire connecting the thermostat exceeds 20 metres, 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.
5841
(to be made by the installer)
TL Limit remote control
TS Remote safety control
nd
T2 2 stage thermostat
rd
3 stage thermostat
T3
7
GB
230V 400V
A A gG/gL 63 50
B A gG/gL 10 6
C A gG/gL 63 50
D sq.mm 10 6
E sq.mm 1.5 1.5
F sq.mm 6 4
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