External Connections
-- the alarm unit has the following connection points :-
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
Sash High Input:
a. Connection point for Sash High
micro switch
.
( Switch contact to close and remain closed in
Sash High condition )
b. Connection point for Sash High
proximity switch
.
( Switch contact to close and remain closed in
Sash High condition )
Note:- Use input a. OR input b. for the Sash High alarm
Com Port
--- to enable connection to Laptop or PC for full diagnostics , logging
or setting up and for communications to building computer system
( BMS)
Power supply
--- low voltage DC power supply 15V DC
6