Lathem DDC4 manual Appendix a DDC2-RS / 4-RS Secondary Clock Wiring Diagrams, Grnd, Blk

Page 21 Digital Display Wall Clock Guide DDC2 / 4-RS Wiring

Appendix A - DDC2-RS / 4-RS Secondary Clock Wiring Diagrams

Note: See Appendix B for DDC2-RS-24 / DDC4-RS-24 wiring.

Stand-Alone (115VAC)

H

M

115VAC	GRND
Local	AC IN
Power	AC RTN

BLK

BLK

Hour and Minutes must be set manually. Use of a 9Volt alkaline battery is recommended to avoid resets after power failures.

Set switches 1-5 of S1 as shown.

Indicates depressed side of switch

1 2 3 4 5 6 7 8

OPEN