21
5.0 Typical Wiring Diagram
--- (Alarm only)
Notes :
Output 1 is an output giving a 0 –10 V DC signal
proportional to the Fume Hood face velocity over the range of
0 – 200 fpm.
BACnet and Modbus RTU coms are included – an optional
terminal box is required for connection to the monitor.
See
AFA Coms Manual
document for other specific information on Modbus
RTU and BACnet options and settings.
REFER TO
INSTALLATION
INSTRUCTIONS
BEFORE
CONNECTING
www.tel-uk.com
Made in England
TEL
TO REMOTE
RELAY
INTERFACE BOX
I/P1
I/P3
I/P
2
15V
PSU
I/P
-
+
0-
10V
O/P
1
R1
R2
R3
INPUT 2
VOLT FREE
RELAY CONTACT
INPUT
INPUT 1
VOLT FREE
RELAY CONTACT
INPUT
120VAC POWER
SUPPLY
(15VDC Output)
SM6
AIRFLOW
SENSOR
RJ11 PLUG IN
CABLE (2M /
6’)
R1,R2,R3
VOLT FREE RELAY
OUTPUTS
Max 5A 250VAC / 30VDC
0-10V RETRANSMISSION
OUTPUT
PLUG IN
COMS CABLE
(2M / 6’)
RS485 COM PORT
Connector
Modbus RTU or BACnet
(OPTIONAL)
GND
(A)+
(B)-
+VE
To PC or BMS
To OTHER AFA1000
UNITS
-
sw
+
sw
+
+
sw
+
-
INPUT 3
SASH HIGH MICRO SWITCH or
PROXIMITY SWITCH
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