User's Manual

Sentinel Installation Manual
12
Dual Backup 24vac Powers Connection Diagram
This connection diagram provides the connection guidance to use one AC power relay, two 24vac power
supplies (WG SPS-24 or customer’s own 24vac power supplies) and one UPS to construct as a dual
backup power supply systems which provides more stability to overall power supplies for sentinel.
5
1
3
6
2
4
78
JQX-1 3 F
24VAC Relay-DPDT
AC1
AC2
AC3
AC4
85-245VAC
24 VAC
24VAC POWER
POWER1
24VAC POWER
POWER2
UPS
50Hz/60Hz
1
3
2
1
3
1
1
2
24vac Powers Connection Notice:
***
The middle pin
don’t connect to
Ground.
Pin1 and Pin2
is 24vac output