11
NT935 WS
NT935 WS
SC
R
E
E
N
R
E
D
R
E
D
W
HI
T
E
ELECTRICAL CONNECTIONS
4
Note: relay contact image in non-alarm condition, with the exception of the FAULT relay, which
switches: contact 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.
RELAYS CONNECTION EXAMPLE
1
2
3
5
1) Pt100 sensors (white-red-red)
4) Access point key
2) Power supply 85-260Vac-dc 50/60Hz.
5) Antenna and Wi-Fi connector
3) Relays (FAN2-FAN1-ALARM-TRIP-FAULT)
1MN0095 REV. 0
Output relay with 10A-250Vac-res COS
Ф
=1 contacts.
COS
Ф
=1.
STOP
SYSTEM
ALARM
CONDITION AUDIO AND
VISUAL INDICATION
Pt100 CONNECTION EXAMPLE
Note:
before
connecting
the
sensors to the control unit, carefully
read the paragraph measurement
signal transfer on page 15.
1MN0157 REV. 0
The Wi-Fi antenna (5) is supplied with the NT935 WS device. If
necessary, the antenna connection can be extended using a 5 mm
SMA Male to Female antenna cable.
NOTE: Never start the device with the antenna disconnected.
