Kewaunee Air Alert 600, Installation And Operating Manual

Page: 38 / 48

38
7.1 Optional Input function - Temperature Sensor
The airflow monitor can be fitted with a temperature sensor to display the fume hood temperature and
give high and low temperature alarms. The temperature display can be hidden from view or shown
alongside the airflow velocity.
High and Low temperature alarms can be set with relay outputs.
Typical connection diagram
R1,R2,R3
VOLT FREE RELAY
OUTPUTS
Max 5A 250VAC / 30VDC
AFA1000 Mk2
SM6 In Li ne
Airflow Sensor
Plug in power supply
Flying lead with plug
connection for PCB
15VDC output
REFER TO
INSTALLA TION
INSTRUCTIONS
BEF ORE
CONNECTING
www.tel-uk.com
Made in England
I/P
1
I/P
3
I/P
2
-
b l
sw
b k
+
b n
sw
+
sw
+
+
- 1 5 V
PSU
I/P
R2
R3
RJ11 PLUG IN
CABLE (2M / 6’)
To BMS
RS485 COM PORT Connector
Modbus RTU or BACnet
(OPTIONAL)
GND
(A)+
(B)-
Other AFA1000 Monitors
(Max 32 per line)
-
+ 0 -1 0 V
O/P
1
TEL
0- 10VDC RETRANSMISSION
OUTPUT
Plug in power adaptor for
mains socket.
(To suit local requirements)
Standard optio ns: -
120V 60 Hz -- USA 2 Pin
R1
INPUTS 1,2
VOLT FREE RELAY
INPUTS
TEMPERATURE
SENSOR
RED
GREEN
BLUE / BLACK