LTR4-512 LTR8-512 LTR8-512M MASTER CLOCK Installer’s Guide
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
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 •
LTRx-512 Installer’s Guide 8 Note: UL regulations require that you do NOT place high voltage (120V) and low voltage communication cables in the same
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 th
LTRx-512 Installer’s Guide 10 • We recommend using stranded wire inside the Power Supply Box. Stranded wire allows for a firm connection to the Quick
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
LTRx-512 Installer’s Guide 12 [3][3][2][5][3][7] PASSWORD: 332537 [#] ADMINISTRATOR PASSWORD ACCEPTED Return to
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 on
LTRx-512 Installer’s Guide 14 [#] SYSTEM TYPE CODE: NN If you are using an LTR8-512 or LTR8-512M and you chose a CLOCK1 type other than 00,
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 minu
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
LTRx-512 Installer’s Guide 16 You cannot choose function [B] directly. To enter Communications, press [#][9][0][0][#] Press Display [
LTRx-512 Installer’s Guide 17 Functions Defined [#] Starts the Programming Functions and Confirms Entries [*] Ends Program functions and/or C
LTRx-512 Installer’s Guide 18 Once you enter your password, you can now program your Master until it detects that you haven’t pressed a key for 5 minu
LTRx-512 Installer’s Guide 19 [5] = Schedule Changes Use Schedule Changes to run schedules at a certain date and time. This function works much like
LTRx-512 Installer’s Guide 20 setup in function [4]=PROGRAM SCHEDULE. Enter your password, then press [#][8][#] to change a schedule [9] = Sync Cloc
LTRx-512 Installer’s Guide 21 [D] = Time Calibration (Available with Firmware Version 5.02) The Crystal Oscillator that provides the Time Base for t
LTRx-512 Installer’s Guide 22 1 = FASTER 2 = SLOWER To exit the Time-Base Calibration procedure, press either [#] or [*]. EXAMPLE: Durin
LTRx-512 Installer’s Guide Daylight Savings Codes 23 APPENDIX A - SPECIFICATIONS ELECTRICAL: Input Voltage 120 or 220 / 240 VAC @ 60Hz or 50Hz
LTRx-512 Installer’s Guide Daylight Savings Codes 24 APPENDIX B – DAYLIGHT SAVINGS COUNTRY CODES ALBANIA 02 ENGLAND 01 MALTA 02 ANDOR
LTRx-512 Installer’s Guide Secondary Clock Types 25 APPENDIX C - SECONDARY CLOCK TYPE CODES Type Description Page 01 SYNCHRONOUS WIRED 26 01 LAT
Table of Contents WELCOME 1 PARTS LIST 2 MOUNTING THE MASTER 3 Surface Mount ...
LTRx-512 Installer’s Guide Wiring Diagrams 26 WIRING SECONDARY CLOCKS TYPE 01 - SYNCHRONOUS WIRED TYPES INCLUDE: Lathem Type SS Wall Clocks
LTRx-512 Installer’s Guide Wiring Diagrams 27 TYPE 02 - TWO WIRE REVERSE POLARITY MINUTE IMPULSE (59TH MIN.) TYPES INCLUDE: Lathem Type ISC (2-Wi
LTRx-512 Installer’s Guide Wiring Diagrams 28 TYPE 04 - STANDARD ELECTRIC TIME AR-2A TWO WIRE DUAL VOLTAGE All circuits should be fused or protec
LTRx-512 Installer’s Guide Wiring Diagrams 29 TYPE 06 - SYNCHRONOUS WIRED TYPES INCLUDE: Cincinnati D8 Faraday (New Style: Motor + Solenoi
LTRx-512 Installer’s Guide Wiring Diagrams 30 TYPE 08 - RAULAND 2410 DIGITAL CLOCKS (24VAC and 115VAC) 115VAC TYPE All circuits should be fused o
LTRx-512 Installer’s Guide Wiring Diagrams 31 TYPE 11 - EDWARDS DUAL MOTOR All circuits should be fused or protected by a circuit breaker (10Amp
LTRx-512 Installer’s Guide Wiring Diagrams 32 - ELECTRONIC CODED CLOCKS Clocks run normally with 120 VAC power. For any bells or clock correction,
LTRx-512 Installer’s Guide Wiring Diagrams 33 TYPE 15 - STRAIGHT FREQUENCY Clock correction and bell circuit operations are generated by sequential
LTRx-512 Installer’s Guide Wiring Diagrams 34 TYPE 16 - THREE WIRE MINUTE IMPULSE (59 MIN) WITH 12-HOUR CORRECTION TYPES INCLUDE: Simplex 91
LTRx-512 Installer’s Guide Wiring Diagrams 35 TYPE 17 - STANDARD ELECTRIC TIME AR-2 TWO WIRE DUAL VOLTAGE All circuits should be fused or prote
[4] = Program Schedules...18 [5] = Schedule C
LTRx-512 Installer’s Guide Wiring Diagrams 36 TYPE 18 - NATIONAL SYNCHRONOUS WIRED TYPES INCLUDE: Dukane 240 Series Rauland 2463 Series
LTRx-512 Installer’s Guide Wiring Diagrams 37 TYPE 20 - THREE WIRE MINUTE IMPULSE (44TH MIN.) All circuits should be fused or protected by a cir
LTRx-512 Installer’s Guide Wiring Diagrams 38 TYPE 22 - DUKANE SYNCHRONOUS WIRED All circuits should be fused or protected by a circuit breaker (
LTRx-512 Installer’s Guide Wiring Diagrams 39 TYPE 23 - CONDOR DIGITAL CLOCKS (Model 2422) TYPES INCLUDE: Rauland 2422 If the digital clocks lose
LTRx-512 Installer’s Guide Wiring Diagrams 40 TYPE 23 - CONDOR DIGITAL CLOCKS (BAR-AC-4412) If the digital clocks lose sync with the LTRx-512, then
LTRx-512 Installer’s Guide Wiring Diagrams 41 TYPE 24 - EDWARDS SYNCHRONOUS WIRED CLOCKS - TYPE E1 All circuits should be fused or protected by a c
LTRx-512 Installer’s Guide Wiring Diagrams 42 APPENDIX D - WIRING DIAGRAMS Fig. D1 - TERMINAL BLOCK ‘P4’ WIRING THE LTRx-512 FOR 120VAC (nom.) OPER
LTRx-512 Installer’s Guide Wiring Diagrams 43 1 2345 67 8Zone 6 Zone 5A Zone 5BP2Voltage INZone 5A & 5B Operate TogetherFig. D2 - TYPICAL SIGNAL D
LTRx-512 Installer’s Guide Wiring Diagrams 44 Fig. D3 - COMPUTER CABLE (For Front Access Port) (LTR8-512 and LTR8-512M Only) Fig. D4 - RS-23
LTRx-512 Installer’s Guide Wiring Diagrams 45 Fig. D5 - SYNCHING UP TO 60 RS-485 TIME SYNC DEVICES WITHOUT A BUFFER -1 2 3 4 5 10 11 12 136 7 8 9T
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
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) wir
LTRx-512 Installer’s Guide Wiring Diagrams 47 Use the six (6) connections as follows: RS-485 Sync Time Device Connection • Sync In: Terminal block
LTRx-512 Installer’s Guide Wiring Diagrams 48 Fig. D8 - POWER SUPPLY TERMINAL BLOCKS NOTES: 1. Circuits CKT1...CKT4 designate bell controls. C
LTRx-512 Installer’s Guide Installing the Modem 49 APPENDIX E – INSTALL THE OPTIONAL MODEM Installation of the optional internal modem should be perf
LTRx-512 Installer’s Guide Connecting the LTR-RSS 50 APPENDIX F – Connecting the LTR-RSS Remote Schedule Selector The “Remote Schedule Selector” is
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
LTRx-512 Installer’s Guide Connecting the LTR-RSS 52 INSTALLATION DETAIL
LTRx-512 Installer’s Guide Connecting the LTR-RSS 53 OPERATIONAL DESCRIPTION To use the Remote Schedule Selector, the Operator will first select, via
LTRx-512 Installer’s Guide Connecting the LTR-GPS Satellite Receiver/Synchronizer 54 APPENDIX G – Connecting the LTR-GPS Satellite Receiver / Synchron
LTRx-512 Installer’s Guide Power Supply Schematics 55 APPENDIX H – POWER SUPPLY SCHEMATICS LTR8-512 / LTR8-512M LTR4-512 C3 C4 C5D11D10D9D12K1K2K
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 mou
LTRx-512 Installer’s Guide Power Supply Schematics 56 FOR UNITS EQUIPPED WITH AN INTERNAL MODEM NOTICE: This equipment complies with Part 68 of th
LTRx-512 Installer’s Guide Power Supply Schematics 57 Limited One-Year Limited Warranty Lathem warrants the hardware products described in this guide
LTRx-512 Installer’s Guide Power Supply Schematics 58 A Administrator password... 11, 17, 18, 19, 20 Auto Bell Test ...
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 s
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 •
LTRx-512 Installer’s Guide 5 the ribbon cable plugged in. For Semi-Flush mounts, remove the green communications plug from the back of the display uni
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