11
2.3 External Connections
Input 1 --- volt free relay input
–
( close contact to activate the input )
This input is configured as :-
NIGHT SETBACK
Output R1 --- volt free relay output - ( contact closes on activation )
This input is configured as :-
LOW AIR ALARM
Visor Open Input --- a. Connection point for Visor micro switch. ( Switch contact to
close and remain closed in Visor Open condition )
b. Connection point for Visor proximity switch. ( Switch contact to
close and remain closed in Visor Open condition )
Note:- Use input a. OR input b. for the Visor alarm
Power supply --- low voltage DC power supply 15V DC
Содержание Air Alert 300
Страница 1: ...1 AIR ALERT 300 FUME HOOD VELOCITY ALARM Installation and Operating Manual Issue 01 February 2019 ...
Страница 3: ...3 1 SAFETY ...
Страница 8: ...8 2 Overview of the Airflow Monitor ...
Страница 12: ...12 3 Functions Operation ...
Страница 18: ...18 4 Components ...
Страница 20: ...20 5 Installation ...
Страница 24: ...24 5 4 Typical connection diagram TEL ...
Страница 25: ...25 6 Warranty ...