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Page 27 Digital Display Wall Clock Guide DDC2 / 4-RS Wiring
Standard Electric AR-2A 2-Wire Dual Voltage
BRN / WHT
GRND
AC IN
AC RTN
AB
PC
YEL / WHT
BLK
BLK
To
Other Clocks
24VDC / 48VDC
From
Master Clock
115VAC
Local
Power
O
P
E
N
1
2
3
4
5
6
7
8
Set switches 1-5 of S1 as shown.
Indicates depressed side of switch
H
M
Clock must be set to actual time. Use of a 9Volt
alkaline battery is recommended to avoid resets
after power failures.