Lathem DDC4, DDC2 manual Blk Yel / Wht Vio / Wht Brn / Wht

Page 25 Digital Display Wall Clock Guide DDC2 / 4-RS Wiring

3-Wire Minute Impulse (59th Minute With 12 Hour Correction)

	H
	M
115VAC	GRND	BLK
Local	AC IN
Power	AC RTN
24VDC	A
From	B

Master Clock C

Clock will correct minutes hourly at HH:58 and hour and minutes twice daily at 5:58.

Wiring applies to secondary wall clocks such as:

Lathem ISC 3-Wire 12Hour Simplex 91, 941

BLK

YEL / WHT VIO / WHT BRN / 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