DDC2 / 4-RS Wiring Digital Display Wall Clock Guide Page 34
National Synchronous Wired
115VAC
From
Master Cloc
k
To
Other Clocks
H
M
BLU / WHT
Run
Correction
BRN / WHT
BLK
BLK
AC Return
Clock will correct minutes hourly at HH:00 and
hour and minutes twice daily at 6:00.
For 24VAC applications, use
wiring shown on page 18
78
Set switches 1-5 of S1 as shown.
Indicates depressed side of switch
OPEN
123 4 5 6