Lathem DDC4, DDC2 manual Vio / Wht Yel / Wht, Wire Reverse Polarity Minute Impulse 59th Minute

Page 43 Digital Display Wall Clock Guide DDC2 / 4-RS Wiring

2-Wire Reverse Polarity Minute Impulse (59th Minute)

H

M

115VAC	GRND	BLK	BLK
Local	AC IN
Power	AC RTN
24VDC	AB
From

Master Clock PC

Clock must be set within 20 minutes of actual time for master to synchronize. Use of a 9Volt alkaline battery is recommended to avoid resets after power failures.

VIO / WHT YEL / WHT

To

Other Clocks

Set switches 1-5 of S1 as shown.

Indicates depressed side of switch

1 2 3 4 5 6 7 8

OPEN