Genius iTouch Series - Typical Power Backup Wiring; FIGURE NO. 8 Typical Power Backup Wiring

INSTALLATION GUIDE
Page 47
Typical Power Backup Wiring
A backup relay (DPDT) is connected to the power source 1 in normal operation but will
switch to the power source 2 if source 1 is disabled. The backup relay should be selected
to ensure it is able to support the required power load.
FIGURE NO. 8 Typical Power Backup Wiring
8 PIN RELAY DPDT
(OMRON model MK2EP-UA-AC120)
3
4
5
6
2
1
8
7
NO 2
NO 1
NC 1
NC 2
COM 2
COM 1
L2/N
GND
L1
3
4
5
6
2
1
8
7
L2 L1 GND
source 1
DISTRIBUTION
PANEL
L2 L1
N
LINE
115/230 VAC
source 2
DISTRIBUTION
PANEL
LINE
115/230 VAC