TECSYSTEM NT538 ETH - 6 Electrical Connections

11
NT538 ETH
NT538 ETH
SCREEN RED RED WHITE
ELECTRICAL CONNECTIONS
1
2
3
4
1MN0095 REV. 0
Output relay with 10A-250Vac-res COSФ=1 contacts.
COSФ=1.
STOP
SYSTEM
ALARM
CONDITION AUDIO AND
VISUAL INDICATION
Pt100 CONNECTION EXAMPLE
Note: before connecting the
sensors to the control unit, read
the Measurement signal transfer
paragraph on page 15.
Note: relay contact image in non-alarm condition, with the exception of the FAULT relay that switches: contacts 11-
12 open (NO) contacts 11-12 closed (NC) fault condition identification. Read the Alarms and Ventilation paragraph
on page 12 and see the opening of the fault contact.
.
RELAY CONNECTION EXAMPLE
1)
Pt100 sensors (white-red-red)
3)
Relays (FAN2-FAN1-ALARM-TRIP-FAULT)
2)
Supply 85-260Vac-dc 50/60Hz.
4)
RJ45 Ethernet output, Link-Activity LED, see
indication on page 30.