Electrical Connections - TECSYSTEM NT538 WS Instruction Manual

ELECTRICAL CONNECTIONS

NT538 WS
5
4
1) Pt100 sensors (white-red-red)
2) Power supply 85-260Vac-dc 50/60Hz.
3) Relays (FAN2-FAN1-ALARM-TRIP-FAULT)
Note: image relay contacts in non-alarm condition, except for the FAULT relay which opens: contacts 11-12 open
(NO) contacts 11-12 closed (NC) fault condition identification. Read paragraph Alarms and Ventilation p. 12 and see
image of fault contact opening.
RELAYS CONNECTION EXAMPLE
Output relay with 10A-250Vac-res COS
Ф
COS =1.
STOP
SYSTEM
INDICATION
AUDIBLE AND VISUAL
ALARM CONDITION
1MN0095 REV. 0
Ф
=1 contacts.
NT538 WS
The Wi-Fi antenna (5) is supplied with the NT538 WS device. If
necessary, the antenna connection can be extended using a 5
mm SMA Male to Female antenna cable.
NOTE: Never start the
disconnected.
4) Access point key
5) Antenna and Wi-Fi connector
EXAMPLE Pt100 CONNECTION
Note:
sensors
carefully
measurement signal transfer on
page 15.
device with the antenna
1
2
3
1MN0158 REV. 0
before connecting the
to the control unit,
read the paragraph
11