MSA Chillgard LC Instruction Manual
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MSA Chillgard LC Instruction Manual

MSA Chillgard LC Instruction Manual

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®
Chillgard
LC
Control Module
Instruction Manual
"! WARNING
THIS MANUAL MUST BE CAREFULLY READ BY ALL
INDIVIDUALS WHO HAVE OR WILL HAVE THE RESPONSIBILITY
FOR INSTALLING, USING, MAINTAINING OR SERVICING THIS
PRODUCT. Like any piece of complex equipment, this product
will perform as designed only if installed, used and serviced in
accordance with the manufacturer's instructions. OTHERWISE,
IT COULD FAIL TO PERFORM AS DESIGNED AND PERSONS
WHO RELY ON THIS PRODUCT FOR THEIR SAFETY COULD
SUSTAIN SEVERE PERSONAL INJURY OR DEATH.
The warranties made by Mine Safety Appliances Company with respect to this product are
voided if the product is not installed, used and serviced in accordance with the instructions
in this manual. Please protect yourself and others by following them. We encourage our
customers to write or call regarding this equipment prior to use or for any additional
information relative to use or repairs.
MSA North America 1-800-MSA-INST or FAX (724) 776-8783
MSA International (412) 967-3354 or FAX (412) 967-3451
In Canada 1-800-267-0672 or FAX (416) 663-5908
© Mine Safety Appliances Company 2008 - All Rights Reserved
This manual is available on the internet at www.msanet.com
Manufactured by
MSA NORTH AMERICA
PITTSBURGH, PENNSYLVANIA 15230
(L) REV 4
I MZ001-036
10036865

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Summary of Contents for MSA Chillgard LC

  • Page 1 MSA North America 1-800-MSA-INST or FAX (724) 776-8783 MSA International (412) 967-3354 or FAX (412) 967-3451 In Canada 1-800-267-0672 or FAX (416) 663-5908 ©...
  • Page 2 Permanent Instrument Warranty Warranty- Seller warrants that this product WARRANTY OF MERCHANTABILITY OR will be free from mechanical defect or faulty OF FITNESS FOR A PARTICULAR workmanship for a period of two years PURPOSE. from date of shipment, provided it is Exclusive Remedy- It is expressly agreed maintained and used in accordance with that Purchaser’s sole and exclusive remedy...
  • Page 3 4. The Chillgard LC Control Module must be 2. The Control Module must not be installed in outdoor areas or in locations where...

  • Page 4: Table Of Contents

    General Description ............. Table 1-1. Chillgard LC System General Operating Specifications ......
  • Page 5 Table of Contents Chillgard LC Control Module Relay Outputs ..............2-6 "...
  • Page 6 Table A-1. RS-232 Parameters........... . . A-1 Table A-2. Information Structure (Chillgard LC Control Module) ......A-1 Table A-3.

  • Page 7: Introduction

    Section 1 General Information Introduction General Description The Chillgard LC unit is a control module which can communicate with up to eight Chillgard LS or twelve Chillgard M100 Refrigerant Sensors. The Chillgard LC Control Module can be installed remotely from the sensors, thus enabling remote control of that Chillgard LS or the Chillgard M100 Sensor.

  • Page 8: Terminology

    VERSION 373 mm high, 284 mm wide, DIMENSIONS moves the gas sample to the refrigerant monitor. 127 mm deep The Chillgard LC System has three ALARMS- TRANSFORMER 8.4 pounds (3.82 kilograms) alarms to alert the user at specific, VERSION WEIGHT user-adjustable refrigerant gas concentrations.

  • Page 9: Connection Of The Chillgard Instruments Using Rs-485 Communications

    IN; modules in the middle exceed 1000 feet (304 meters). must have terminators OUT. RS-485 connections MSA recommends Belden #9841 from the Chillgard LC Control unit must have no low-capacitance cable. more than two terminations. Figure 1-3. Connection of the Sensor and LC...

  • Page 10: Figure 1-4. Multiple Sensor Modules With A Chillgard Lc Control Module (Daisy Chain)

    Section 1, General Information Chillgard LC Control Module Figure 1-4. Multiple Sensor Modules with a Chillgard LC Control Module (Daisy Chain) Figure 1-5. Multiple Sensor Modules with a Chillgard LC Control Module (Two Branch)

  • Page 11: Installation And Set-Up

    If damage or shortage is evident, advise and To unpack the equipment: promptly file the proper claim with the carrier. 1. Carefully remove the Chillgard LC Control Module from its shipping container(s) in Location of the Control order to prevent damage to sensitive electrical components.

  • Page 12: Wiring Connections

    Chillgard LC Control Module Wiring Connections Opening the Unit All wiring to the Chillgard LC unit is made via the bottom entries. Open the unit to provide complete access to all wiring connections. Ensure that all wiring codes are followed. These codes include, but are not limited to, the National Electrical Code.

  • Page 13: Figure 2-3. Standard Version Wiring Diagram

    Chillgard LC Control Module Section 2, Installation and Set-Up Figure 2-3. Standard Version Wiring Diagram Figure 2-4. Transformer Version Wiring Diagram...

  • Page 14: Wiring To The Chillgard Sensors

    Chillgard LC Control Module The dip switch positions are shown in TABLE 2-2. Wiring to the Chillgard Sensors The Chillgard LC Control Module can communicate to up to 12 sample points. Table 2-2. Chillgard LS Dip Switch Positions Communication between these devices is...

  • Page 15: Figure 2-6. Chillgard M-100 Jumper Locations

    Chillgard LC Control Module Section 2, Installation and Set-Up Figure 2-6. Chillgard M-100 Jumper Locations...

  • Page 16: Analog Signal Output Wiring

    This relay is configured from the factory end of the signal. Do not ground or connect the and operates differently than the alarm relays. It shields at the Chillgard LC Control Module. See operates in a normally-energized mode. FIGURE 2-2 for connecting the analog outputs.

  • Page 17: Start-Up

    If this is not done, data recorded will not The following steps outline the procedures to have a time stamp and data review will not power-ON the Chillgard LC Control Module: be possible. Before applying power to the unit, verify proper power will be applied to the unit.

  • Page 18: Display Screens

    Chillgard LC Control Module Section 3, Display Screens Section 3 Display Screens All instrument operation is performed via the front the following FIGURES for specific Display panel which consists of four keys and a two-line Screen details: by 20-character LCD display. There is no reason •...

  • Page 19: Figure 3-1. Display Screen Overview

    Section 3, Display Screens Chillgard LC Control Module Figure 3-1. Display Screen Overview...

  • Page 20: Figure 3-2. Start-Up And Normal Operation Screens

    Chillgard LC Control Module Section 3, Display Screens Figure 3-2. Start-up and Normal Operation Screens Figure 3-3. Set-up Screens...

  • Page 21: Figure 3-4 Span Calibration Screens

    Section 3, Display Screens Chillgard LC Control Module Figure 3-4. Span Calibration Screens Figure 3-5. Zero Calibration...

  • Page 22: Figure 3-6 Calibration Check

    Chillgard LC Control Module Section 3, Display Screens Figure 3-6. Calibration Check Figure 3-7. Diagnostics Menu...

  • Page 23: Figure 3-8 Data Screens

    Section 3, Display Screens Chillgard LC Control Module Figure 3-8. Data Screens Figure 3-9. Alarm Level Screen...

  • Page 24: Figure 3-10 Setup Alarm Latching

    Chillgard LC Control Module Section 3, Display Screens Figure 3-10. Setup Alarm Latching Figure 3-11. Setup Alarm Relays...
  • Page 25 Section 3, Display Screens Chillgard LC Control Module Figure 3-12. Figure 3-13. Audio Alarm Screen Analog Outputs and Password...
  • Page 26 Chillgard LC Control Module Section 3, Display Screens Figure 3-14. Figure 3-15. Setup Times Setup Logging...

  • Page 27: Figure 3-16 Review Log

    Section 3, Display Screens Chillgard LC Control Module Figure 3-16. Review Log 3-10...

  • Page 28: Maintenance

    Failure to do so may seriously impair unit performance. Repair or alteration Hazardous Voltage! of the Chillgard LC Control Module, beyond the scope of these instructions or by anyone Disconnect all electric power, including o t h e r t h a n au t h or i z ed M S A s e r v ic e remote disconnects before servicing.

  • Page 29: Table 4-2. Troubleshooting Guidelines

    3. Check all tubing, filters and fittings for leaks. Coefficients Calibration failed out of range 4. For sequencer units, make sure the unit is locked on the selected sample port used for calibration. 5. Leak test the flow system. 6. Return to MSA for service.
  • Page 30 Sensor flow failed sample line 2. Check operation of all manifold sample valves. 3. Leak test the flow system. 4. Return the unit to MSA for service. Checks for Sensor temperature 1. Sensor temperature exceeded; mount unit in a lower temperature location.

  • Page 31: Data Logging

    Chillgard LC Control Module Section 5, Data Logging Section 5 Data Logging The Chillgard LC unit allows 798 sets of data and 1. Turn logging ON. events to be logged. This data is either the 2. Select an interval of 15 minutes or maximum or average of the concentration one hour for readings to be logged.

  • Page 32: Calibration

    Chillgard LC Control Module Section 6, Calibration Section 6 Calibration • SPAN GAS (A known refrigerant Two calibration procedures are available: concentration) that measures approximately Diffusion for non-pumped sensors like a 10% of the full-scale calibration of the unit. single-point, non-pumped Chillgard LS...

  • Page 33: Caution

    Lock the Chillgard LC Control Module to the point being calibrated. Check a new Chillgard LS Refrigerant Monitor installation at least once a week by performing •...

  • Page 34: Caution

    Equipment needed: Enter the CAL - USER - ZERO - NEXT - CHANGE Menu to select the point to be • Calibration Kit (MSA ATO #50; FIGURE 6-3) calibrated (see FIGURE 3-5). • A SPAN gas cylinder Press OK on the correct point;...

  • Page 35: Caution

    To prevent activating these devices while "Initial Calibration." adjusting the Chillgard LC Refrigerant Monitor, disconnect the wiring from the relay. If following Calibration procedures fails to restore Return all wiring to the relay when the proper readings of the instrument, see Section 5, calibration procedure is completed.

  • Page 36: Figure 6-4. Using Zero Scrubber For Zero Calibration

    Chillgard LC Control Module Section 6, Calibration • SPAN GAS (A known gas concentration that these records enables review and control of the time between checks. measures approximately 10% of the full-scale calibration of the unit. Calibration Equipment Carefully apply both ZERO gas and SPAN gas to...

  • Page 37: Calibration Check Procedure

    Section 6, Calibration Chillgard LC Control Module " WARNING Calibration Check Procedure If the sampling line is not re-attached, the The calibration check procedure involves checking monitor cannot sample from the remote the SPAN and ZERO readings on the instrument.

  • Page 38: Caution

    (See FIGURE 3-4.) will be low. Press OK on the correct point; then, press Lock the Chillgard LC sensor onto the first NEXT. sampler address of the Chillgard LS-4 10. Press ADJ then UP or DN to set the span to sensor (point 1 or point 5).

  • Page 39: Rs-232 Output

    Point 1 Gas The RS-232 output broadcasts certain information char Type about the Chillgard LC Control Module (TABLE Point 2 Gas A-3). This output conforms to the specification for char Type RS-232 signal levels and is capable of driving its...

  • Page 40: Table A-3. Data Structure

    Appendix CA RS-232 Output Chillgard LC Control Module Table A-4. Alarm Structure Table A-3. Data Structure ITEM DESCRIPTION VALUE OR TYPE SIZE (BYTES) ITEM VALUE OR SIZE DESCRIPTION TYPE (BYTES) Alarm or char Event Alarm or Event char = 0x00...

  • Page 41: Installation Outline Drawing

    Chillgard LC Control Module Appendix B, Installation Outline Drawing Appendix B Installation Outline Drawing...

  • Page 42: Figure B-1. Installation Outline Drawing For Standard Version

    Appendix B, Installation Outline Drawing Chillgard LC Control Module Figure B-1. Installation Outline Drawing for Standard Version...

  • Page 43: Figure B-2. Installation Outline Drawing For Transformer Version

    Chillgard LC Control Module Appendix B, Installation Outline Drawing Figure B-2. Installation Outline Drawing for Transformer Version...

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