16
5.1 Typical Wiring Diagram with Optional Relay Interface Unit
Optional
Relay Interface Unit
in ABS enclosure mounted on top of Fume Cupboard to
allow up to 3 external cable connections to be terminated.
Rated at 240V 5A
Flying lead with plug
connection for PCB and
Relay Interface Unit
Adaptor PCB connected to Main PCB
terminals and provided with RJ45 socket for
plug in connection to Relay Interface Unit .
Flying lead with plug
connection for PCB
and SM6 airflow sensor
12V DC
Flying lead from Proxy
switch with plug
connection for PCB
12V DC
Sash High
Proximity switch
( Optional )
SM6
Airflow Sensor
R1
R2
R3
SENSOR
SOCKET
0-10V
ECON
OUTPUT
15V DC
POWER
SUPPLY
INPUT
0-10V
AUX.
OUTPUT
s/w
Sash Proximity
switch
OUTPUT RELAYS
COMMS
PORT
RELAY INPUTS
INPUT 1
INPUT 2
INPUT 3
Bn
Bk
Bl
Sash Micro
switch
REFER TO INSTALLATION
INSTRUCTIONS BEFORE CONNECTING
TEL
WARNING
MADE IN ENGLAND
www.tel-uk.com
Plug – in power adapter for
mains socket.
(To suit local requirements )
Standard options :-
230V 50Hz -- UK 3-pin
220V 50Hz -- Euro 2-pin
120V 60Hz -- USA 2-pin
Relay Interface
in enclosure
mounted on top
of Fume Cupboard
Relay output 1
Relay output 2
Relay output 3
Aux Relay
can operated in
parallel with any
relay 1 to 3 via
selector switch.
15V DC
POWER
SUPPLY
INPUT
PSU
Flying lead with plug
connection for PCB
15 V DC
Com port
RS485
