Page 2 - INSTALLER’S GUIDE; MASTER CLOCK; LATHEM TIME CORP; Manager” and “PayClock”
THIS EQUIPMENT COMPLIES WITH FCC CLASS-B REQUIREMENTS PURSUANT SUBPART J OF PART-15 This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received,...
Page 3 - Table of Contents
Table of Contents W ELCOME 1 P ARTS L IST 2 M OUNTING THE M ASTER 3 Surface Mount ...........................................................................................................................3 Semi-Flush Mount................................................................................
Page 5 - Welcome
LTRx-512 Installer’s Guide 1 Welcome This Installer’s Guide covers three different Master Clocks. The LTR4-512, the LTR8-512 and the LTR8-512M. All three units are installed and programmed in similar fashions. The main difference between the three units is the LTR4-512 has 4 circuits that can be pro...
Page 6 - Parts List
LTRx-512 Installer’s Guide 2 Parts List Please check that you received all the parts needed to setup your Master: • Master Clock (ready to surface mount) • User’s Guide & Installer’s Guide • Installation Hardware Kit Package of quick-connects Package of mounting screws and 2 extra cover screws A...
Page 7 - LTRx-512 Installer’s Guide; Mounting the Master; Surface Mount; Power Supply Box
LTRx-512 Installer’s Guide 3 Mounting the Master The Master comes ready to surface mount on the wall. However, you can also install the Master in a standard 19" rack, recess the power supply into the wall or hide the power supply in the floor or ceiling and hang only the display unit on the wall...
Page 8 - Lowering the Display Unit during Testing
LTRx-512 Installer’s Guide 4 To surface mount the Master • Place the Master on its back with the display unit facing up and the keypad to the right • Remove the two screws from just above the display unit • Lift the display unit up and away from you. Note that two rivets at the bottom of the cover p...
Page 10 - Rack Mount
LTRx-512 Installer’s Guide 6 Rack Mount The LTR8-512 and LTR8-512M come with two L-shaped brackets (optional on the LTR4-512) so you can install your Master in a standard 19-inch rack To install the Master in a 19-inch rack • Place the Master on its back with the display unit facing up and the keypa...
Page 11 - Hidden Power Supply Mount
LTRx-512 Installer’s Guide 7 • Using these same screws, attach an “L” bracket (or ear) • Repeat to attach the other ear • Mount the unit in the rack • Follow the wiring steps in the next chapter before attaching the box cover • Attach the furnished cover to the power supply using four 6-32 screws (t...
Page 13 - Wiring the Master; POWER SUPPLY; J1 installed between 3 & 4 and J2; TERMINAL BLOCK ‘P4’; J1 installed between 4 & 5
LTRx-512 Installer’s Guide 9 Wiring the Master • Wire the display panel and power relay units for bell control and clock synchronization. Refer to the diagrams in Appendix D for more details. Until you complete this part of the wiring, do not turn on the AC power to P4, and keep the power/relay unit...
Page 15 - Setting up the Master; Enter your Password; Enter the administrator password ‘332537’ [DEALER]
LTRx-512 Installer’s Guide 11 Setting up the Master If you will use the Master to sync clocks, you must first use relays #7 & #8 (terminal block P1) for synching. If you have an LTR8-512 or LTR8-512M and will use a second clock type, you must use relays #5 & #6 (terminal block P2) for those ...
Page 16 - Set the Date and Time; Use Function [1] to set the date and time
LTRx-512 Installer’s Guide 12 [3][3][2][5][3][7] PASSWORD: 332537 [#] ADMINISTRATOR PASSWORD ACCEPTED Return to time and date display after 3 seconds Note that if you stop using the keypad for over 5 minutes, you must re-enter your password Set the Date and Time • Use Function [1] to set the date an...
Page 17 - Enable the Relays; Use Function [6] to enable any control relays that you want to use; Choose the Clocks to Synchronize; Display
LTRx-512 Installer’s Guide 13 Enable the Relays • Use Function [6] to enable any control relays that you want to use The Enable Circuits function only enables you to use certain relays. It does not turn them on. Use Function [3] or [4] to actually turn on these relays Press Display [#] SELECT FUNCTI...
Page 19 - Auto Test the Bells; Press
LTRx-512 Installer’s Guide 15 Auto Test the Bells Use the Auto Bell Test feature to turn on all bell relays once per minute at the start of each minute. Once you start this function, you can test the continuity of your bell wiring circuits. Use the “hidden code” 2355878 [BELLTST] to start the Auto B...
Page 21 - Functions Defined; Starts the Programming Functions and Confirms Entries; Quick Check Commands
LTRx-512 Installer’s Guide 17 Functions Defined [#] Starts the Programming Functions and Confirms Entries [*] Ends Program functions and/or Cancels Entries (except the “Quick Check”) Quick Check Commands Quick Check commands display system information for about 2 seconds. You can press any of the th...
Page 27 - APPENDIX A - SPECIFICATIONS
LTRx-512 Installer’s Guide Daylight Savings Codes 23 APPENDIX A - SPECIFICATIONS ELECTRICAL: Input Voltage 120 or 220 / 240 VAC @ 60Hz or 50Hz Input Power 50 VA max (less than 0.5A @ 120V) Memory / Quartz Time Backup 10 year (nom.) Lithium Battery Bell / Clock Control Relays 120VAC / 28VDC, 10A , Pl...
Page 28 - APPENDIX B – DAYLIGHT SAVINGS COUNTRY CODES
LTRx-512 Installer’s Guide Daylight Savings Codes 24 APPENDIX B – DAYLIGHT SAVINGS COUNTRY CODES ALBANIA 02 ENGLAND 01 MALTA 02 ANDORRA 02 ESTONIA 02 MONACO 02 ARMENIA 02 FALKLAND ISLANDS 10 NETHERLANDS 02 AUSTRIA 02 FINLAND 02 NEW ZEALAND 11 AZERBJAN 02 FRANCE 02 NORWAY 02 AZORES 02 GERMANY 02 POLA...
Page 29 - APPENDIX C - SECONDARY CLOCK TYPE CODES; Type Description
LTRx-512 Installer’s Guide Secondary Clock Types 25 APPENDIX C - SECONDARY CLOCK TYPE CODES Type Description Page 01 SYNCHRONOUS WIRED 26 01 LATHEM TYPE SS 26 01 CINCINNATI D10 26 01 IBM 77 SERIES 26 01 SIMPLEX 77 SER 26 01 SIMPLEX 93-9 26 01 SIMPLEX 91-9 26 01 SIMPLEX 941-9 26 01 SIMPLEX 943-9 26 0...
Page 30 - WIRING SECONDARY CLOCKS
LTRx-512 Installer’s Guide Wiring Diagrams 26 WIRING SECONDARY CLOCKS TYPE 01 - SYNCHRONOUS WIRED TYPES INCLUDE: Lathem Type SS Wall Clocks Cincinnati D10 (115VAC), D12 (24VAC) IBM 77 Series Simplex 77 Series, 93-9, 91-9, 941-9, 943-9, 6310-9231 Stromberg 3000 All circuits should be fused or protect...
Page 46 - APPENDIX D - WIRING DIAGRAMS
LTRx-512 Installer’s Guide Wiring Diagrams 42 APPENDIX D - WIRING DIAGRAMS Fig. D1 - TERMINAL BLOCK ‘P4’ WIRING THE LTRx-512 FOR 120VAC (nom.) OPERATION 1 2 3 4 5 6 7 8 J1 J2 W H T G R N B L K 120 VAC All circuits should be fused or protected by a circuit breaker (10Amp maximum) WIRING THE LTRx-512 ...
Page 50 - Fig. D7 – COMMUNICATION TERMINAL BLOCK; Rear of Display Unit
LTRx-512 Installer’s Guide Wiring Diagrams 46 Fig. D7 – COMMUNICATION TERMINAL BLOCK Rear of Display Unit NOTES: 1. Twisted-pair (Cat-3/Cat-5) wire connects directly to Terminal Block; up to 2 wires per position 2. Pulse-sync input is same as provided in power supply. One (1) second (min.) dry-conta...
Page 53 - APPENDIX E – INSTALL THE OPTIONAL MODEM
LTRx-512 Installer’s Guide Installing the Modem 49 APPENDIX E – INSTALL THE OPTIONAL MODEM Installation of the optional internal modem should be performed by a trained and competent electronics technician. Follow these steps; 1. Turn off the power to the Master Clock. You can either access the on/of...
Page 54 - APPENDIX F – Connecting the LTR-RSS Remote Schedule Selector
LTRx-512 Installer’s Guide Connecting the LTR-RSS 50 APPENDIX F – Connecting the LTR-RSS Remote Schedule Selector The “Remote Schedule Selector” is an accessory for the LTR8-512 Master Controller and allows an Operator to select one (1) of the eight (8) possible schedules stored in the Master Contro...
Page 55 - ON
LTRx-512 Installer’s Guide Connecting the LTR-RSS 51 INSTALLATION To install the Remote Schedule Selector, • Remove the RSS from it’s package and locate the four (4) conductor connector (upper left) and the dip switch (bottom center) on the back of the circuit board. • Set the hidden Address Selecto...
Page 59 - APPENDIX H – POWER SUPPLY SCHEMATICS
LTRx-512 Installer’s Guide Power Supply Schematics 55 APPENDIX H – POWER SUPPLY SCHEMATICS LTR8-512 / LTR8-512M LTR4-512 C 3 C 4 C 5 D 1 1 D 1 0 D 9 D 1 2 K 1 K 2 K 3 K 4 K 6 K 7 K 8 K 5 VMM7086 REV. D (C) 2000 LATHEM TIME CORP. D 3 D 4 D 5 D 6 C 3 C 4 C 5 D 1 1 D 1 0 D 9 D 1 2 K 6 K 7 K 8 K 5 (C) 2...
Page 61 - Limited One-Year Limited Warranty
LTRx-512 Installer’s Guide Power Supply Schematics 57 Limited One-Year Limited Warranty Lathem warrants the hardware products described in this guide against defects in material and workmanship for a period of one year from date of original purchase from Lathem or from an authorized Lathem reseller....
