DDC4 (Double Mount - Ceiling)..........................................................................................................19
Setting the Time............................................................................................................................................20
Time Formats............................................................................................................................................20
12 Hour Format.....................................................................................................................................20
24 Hour Format.....................................................................................................................................20
Appendix A - DDC2-RS / 4-RS Secondary Clock Wiring Diagrams...........................................................21
Stand-Alone (115VAC)............................................................................................................................21
3-Wire Synchronous (115VAC) ...............................................................................................................22
3-Wire Synchronous (24VAC) .................................................................................................................23
3-Wire minute Impulse (59
th
Minute).......................................................................................................24
3-Wire Minute Impulse (59
th
Minute With 12 Hour Correction)..............................................................25
Standard Electric Synchronous.................................................................................................................26
Standard Electric AR-2A 2-Wire Dual Voltage........................................................................................27
Standard Electric AR-2 2-Wire Dual Voltage...........................................................................................28
Synchronous Wired...................................................................................................................................29
Simplex 59
th
Minute Dual Motor..............................................................................................................30
Simplex 45
th
Minute Dual Motor..............................................................................................................31
Edwards Dual Motor.................................................................................................................................32
Standard Electric AR-3 3-Wire Minute Impulse.......................................................................................33
National Synchronous Wired....................................................................................................................34
Stromberg Synchronous Wired (56
th
Minute)...........................................................................................35
Cincinnati D1............................................................................................................................................36
Cincinnati D6, Edwards 2406...................................................................................................................37
2-Wire Pulse Alternating (24VDC) ..........................................................................................................38
Electronic Coded.......................................................................................................................................39
Straight Frequency....................................................................................................................................40
3-Wire Minute Impulse (58
th
Minute).......................................................................................................41
3-Wire Minute Impulse (44
th
Minute).......................................................................................................42
2-Wire Reverse Polarity Minute Impulse (59
th
Minute) ...........................................................................43
Appendix B - DDC2-RS-24 / DDC4-RS-24 Wiring.....................................................................................44
DDC2-RS-24 / DDC4-RS-24 Wiring .......................................................................................................45
Appendix C - RS485 Wiring Diagrams........................................................................................................46
RS485 Data Format...................................................................................................................................46
OMCII to DDC2-RS / 4-RS......................................................................................................................47
LTR0 to DDC2-RS / 4-RS........................................................................................................................48
LTR4 / 8-512 to DDC2-RS / 4-RS............................................................................................................49
Appendix D - DDC-TC Timer Control Panel...............................................................................................50
Wiring.......................................................................................................................................................50
Installation ................................................................................................................................................51
Operation ..................................................................................................................................................52
