10
VRT300 SERIES
VRT300 U SERIES
1
5
2
4
3
1MN0049 REV. 0
1)
M1-M2-M3 motor line connection (5A max)
4)
FAULT relay (fault signal)
2)
Remote enabling contact ENABLE
5)
Fan line supply 250Vac ±10% 15
amp.max 50-60Hz.
3)
Control unit supply 12Vac-dc ±10% 4VA
Note: with the power to the unit ON, the FAULT relay switches, contacts 8-9 open (NO) and 7-9 closed (NC).
FAULT 8-9 NC: ALARM FAULT OR POWER OFF
FAULT 7-9: NC POWER ON