Lathem DDC2 manual DDC4 Double Mount Wall

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Digital Display Wall Clock Guide

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DDC4 (Double Mount - Wall)

»Remove the two phillips head screws from the left and the right end caps of the two DDC4 clocks and remove. Slide the front panel assemblies out of the cases and set aside.

»Place the two DDC4 clocks back to back and secure by inserting a #10 screw through the two key holes and the two lower mounting holes using lock washers and nuts supplied with the mounting kit.

»Attach the modified end cap to the end of the clocks that will be attached to the wall mount plate using the original end cap screws.

»Align the holes of the end cap support plate with the holes in the modified end cap and secure with 4 #6 phillips head screws (supplied)

»Line the two posts from the mounting plate up with the two holes of the modified end cap. Insert the chase nipples through the holes of the modified end cap and secure to the mounting plate with a 15/16" wrench.

»Slide the front panel assemblies in partially. Secure the required wiring and install the battery if used.

»Slide the front panel assemblies in fully. Install the end caps and secure each with its two screws.

»Discard or store the two original end caps the modified end cap replaced.

mounting plate

modified end caps

DDC4 cases

end cap support

#10 hex nuts

#10 lock washers

 

chase nipples

#10 lock washers

#10 screws

Figure 5

Image 22
Contents Installation & Users Guide Lathem Time Corporation Table of Contents Page Page Page Introduction Clock OperationAbout this Manual Optional Accessories DDC-TCPage Configuring the DDC Series Wall Clock Setting the DIP Switches DDC2 / DDC4 SeriesDIP Switch Settings Battery Usage DDC2 / DDC4 Series Configuring RS485 Communications DDC2/4-RS SeriesDDC2/4-RS / DDC2/4-RS-24 Battery Installation DDC2 / DDC4 Series Power Cord Installation DDC2/4-RSRS485 Wiring Wiring Installation DDC2/4-RS SeriesSecondary Wiring DDC-TC WiringBoard Layout Diagram Replacing an Existing DDC4 Wall ClockMounting DDC2 / DDC4 Series Mounting to a WallMounting to a Single Gang Box DDC2 Double Mount Wall DDC2 Double Mount Wall DDC4 Double Mount Wall Double Mount Ceiling DDC2 Double Mount Ceiling DDC4 Double Mount Ceiling Setting the Time Time FormatsBLK Appendix a DDC2-RS / 4-RS Secondary Clock Wiring DiagramsStand-Alone 115VAC Wire Synchronous 115VAC WHTAC RTN Wire Synchronous 24VAC CorrectionGrnd BLK BRN / WHT BLU / WHTGrnd BLK Wire minute Impulse 59th MinuteYEL / WHT VIO / WHT BRN / WHT Wire Minute Impulse 59th Minute With 12 Hour Correction BLK YEL / WHT VIO / WHT BRN / WHTStandard Electric Synchronous Standard Electric AR-2A 2-Wire Dual Voltage BLK YELStandard Electric AR-2 2-Wire Dual Voltage Synchronous Wired Simplex 59th Minute Dual Motor Simplex 45th Minute Dual Motor Edwards Dual Motor Standard Electric AR-3 3-Wire Minute Impulse BLK YEL / WHT VIO / WHT BRN/ WHTNational Synchronous Wired Stromberg Synchronous Wired 56th Minute Common Cincinnati D1VIO Cincinnati D6, EdwardsWire Pulse Alternating 24VDC Grnd AC RTN BLK VIO / WHT YEL / WHTGrnd AC in AC RTN BLK BLU Electronic CodedGrnd AC AC RTN BLK BLU Straight FrequencyWire Minute Impulse 58th Minute Wire Minute Impulse 44th Minute Wire Reverse Polarity Minute Impulse 59th Minute VIO / WHT YEL / WHTAppendix B DDC2-RS-24 / DDC4-RS-24 Wiring DDC2-RS-24 / DDC4-RS-24 Wiring Appendix C RS485 Wiring Diagrams RS485 Data FormatJP4 OMCGND Omcii to DDC2-RS / 4-RSBLK H LTR0 to DDC2-RS / 4-RS+ of JP4 LTR4 / 8-512 to DDC2-RS / 4-RSAppendix D DDC-TC Timer Control Panel WiringInstallation Timer ControlOperation As a Count Up Timer As a Count Down TimerAppendix E LTR-GPS Satellite Receiver / Clock Synchronizer LTR-0Page Connecting to a Lathem DDC2-RS or DDC4-RS Digital Clock Appendix F Specifications DDC2 / DDC4Appendix G Warranty Limited One-Year Limited Warranty
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