Summary of Contents for Garnet MULTIRACK 688-S
- Page 1 UL TI Optic / Thermistor Rack Control for Trucks MODEL 688-S / 688-D MANUAL CANADA garnetinstruments.com Garnet US Inc. Garnet Instruments 5360 Old Granbury Road 1-800-617-7384 286 Kaska Road Granbury, TX 76049 Sherwood Park, AB T8A 4G7...
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Page 2: Table Of Contents
GARNET ulti Optic / Thermistor Rack Control for Trucks MODEL 688-S/688-D MANUAL Table of Contents CHAPTER 1 - INTRODUCTION ..................3 CHAPTER 2 - OPERATIONS AND FEATURES ............4 CHAPTER 3 - INSTALLATION GUIDE ...............7 CHAPTER 4 - TROUBLESHOOTING GUIDE ............10 CHAPTER 5 - SERVICE AND WARRANTY INFORMATION ...... -
Page 3: Chapter 1 - Introduction
CHAPTER 1 - INTRODUCTION ongratulations on purchasing the Garnet Instruments Model 688 M Optic / Thermistor Rack Control for Trucks. The ULTI ACK™ 688 represents the state of the art in multi-function overfill control for transport applications. The M is used in conjunction... -
Page 4: Chapter 2 - Operations And Features
CHAPTER 2 - OPERATIONS AND FEATURES Overview For the 810PS2 S L™ gauge, the M ™ system ULTI consists of a 688M M ™ Driver Module and, a fiber optic ULTI interconnect cable, and a 688S (single compartment) or 688D (dual compartment) rack controller. - Page 5 Rack Controller Operation The rack controller connects to the module via fiber optic cable and goes to permit only if the light pulse is present. The fiber cable is used to provide electrical isolation between the SeeLeveL and the intrinsically safe wiring of the loading rack. The controller will only accept light pulses from a 688M module;...
- Page 6 The PERMIT diagnostic LED will light when the controller is in permit and is connected to either an optic or thermistor rack. It will not illuminate if the controller is not connected, since the rack is the controller power source. WARNING: To maintain overfill protection, the operator MUST verify float movement of the S (or S...
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Page 7: Chapter 3 - Installation Guide
CHAPTER 3 - INSTALLATION GUIDE 1. Install the SeeLeveL/SeeLeveL Special systems as described in their respective manuals. 2. Make sure that the correct controller has been chosen. For applications with a single compartment per trailer, use the single fiber input model. For two compartments per trailer, use the dual fiber input model. - Page 8 fittings at each end. At the lowest point in the air line insert a T fitting with approximately two feet of Synflex hanging down to provide a drain for any water than may get into the system. If a T fitting is not feasible, put a fitting into the bottom of the display enclosure and route the 2 feet of Synflex from there.
- Page 9 13. Inspect the controller enclosure cap for casting flash, and lightly sand or scrape off any casting protrusions. Make sure that the rubber O ring is in place and has grease on it. Orient the cap so that the holes for the LEDs line up with the holes in the label and then snap on the cap.
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Page 10: Chapter 4 - Troubleshooting Guide
CHAPTER 4 - TROUBLESHOOTING GUIDE Overview There are only 4 serviceable components to the system: the 688M module, the interconnecting fiber optic cable, the controller, and the third party rack sockets and wiring. Make sure that the compartment is in fact empty and that the S , or gauges are working correctly. - Page 11 Rack Socket The most likely cause of a non-permit situation is a bad rack socket connection. For a thermistor rack, if the diagnostic LED is on in the controller, then the socket connection is good. For an optic rack, the pulse input and output are not monitored (since the pulse width is so small, the LEDs would not be visible), so even though the LED is on there may still be a connection problem.
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Page 12: Chapter 5 - Service And Warranty Information
Alberta, T8A 4G7. Returned warranted items will be repaired or replaced at the discretion of Garnet Instruments. Any Garnet items under the Garnet Warranty Policy that are deemed irreparable by Garnet Instruments will be replaced at no charge or a credit will be issued for that item subject to the customer’s request. - Page 13 688 Manual Page 13...
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