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MSA 3600 Instruction Manual
MSA 3600 Instruction Manual

MSA 3600 Instruction Manual

Infrared gas monitor

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Model 3600
Infrared Gas Monitor
instruction manual
WARNING
THIS MANUAL MUST BE CAREFULLY READ BY ALL INDIVIDUALS WHO HAVE OR WILL
HAVE THE RESPONSIBILITY FOR INSTALLING, USING 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 these products
are voided if the products are 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.
INSTRUMENT DIVISION 1-800-MSA-INST or FAX (412) 776-3280
IN CANADA 1-800-267-0672 or FAX (416) 663-5908
MSA INTERNATIONAL (412) 967-3228 or FAX (412) 967-3373
© Mine Safety Appliances Company 1993 - All Rights Reserved
Made in Switzerland for
MINE SAFETY APPLIANCES COMPANY
PITTSBURGH, PENNSYLVANIA 15230
(L) REV 2
800031

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Summary of Contents for MSA 3600

  • Page 1 INSTRUMENT DIVISION 1-800-MSA-INST or FAX (412) 776-3280 IN CANADA 1-800-267-0672 or FAX (416) 663-5908 MSA INTERNATIONAL (412) 967-3228 or FAX (412) 967-3373 © Mine Safety Appliances Company 1993 - All Rights Reserved Made in Switzerland for...
  • Page 2 Model areas. 3600 Infrared Gas Monitor. 3. The Model 3600 Infrared Gas Monitor is designed to detect carbon dioxide or 9. Use only genuine MSA replacement methane vapors in the air. It cannot...
  • Page 3 Model 3600 Infrared Gas Monitor...
  • Page 4 Model 3600 Infrared Gas Monitor Table of Contents Table of Contents Section 1 General Information ........1-1 Terminology.
  • Page 5 Table of Contents Model 3600 Infrared Gas Monitor Section 3 Start-up and Initial Adjustments ......3-1 Operation .
  • Page 6 A full-scale or up-scale reading on the of these two gases. meter display. All Model 3600 Infrared Gas Monitors use SPANNING an infrared photo-acoustic sensor. This sensor gives an indication of the carbon The process of placing a full-scale or dioxide or methane levels without requiring up-scale meter reading on the display.
  • Page 7 The Model 3600 Infrared Gas Monitor: Applications • Provides a continuous indication of a gas or vapor concentration. The Model 3600 Infrared Gas Monitor is • Is capable of measuring Carbon Dioxide factory-calibrated for carbon dioxide or methane. When calibrated for either of from Parts Per Million (PPM) to 50%.
  • Page 8 Model 3600 Infrared Gas Monitor Section 1, General Information General Operating Specifications for all Models OPERATING SPECIFICATIONS ANALOG OUTPUT 4 to 20 mA, or 0 to 1 Volt, or 0 to 10 Volts MAXIMUM OUTPUT SIGNAL LOAD 500 Ohms SAMPLE TUBING CONNECTIONS 1/4 inches (6 millimeter) OD;...
  • Page 9 2. Do not locate the unit near an excessive heat source. Remove the closure pin (see FIGURE 1-1) by sliding it out of the Model 3600 Infrared Gas 3. For proper cooling, allow at least three Monitor, and open the front cover. Remove all inches of clearance around all surfaces, packing material from inside the unit.
  • Page 10 1/4" OD tubing. Route the sample Make sure that the door of the model tubing to the area to be monitored. For 3600 Infrared Gas Monitor unit is not proper operation, the following sample blocked or obscured so as not to block system requirements must be met.
  • Page 11 1. Remove all caps and fittings on the inlet 5. Ensure that the end of the sampling and outlet of the Model 3600 Infrared line is unobstructed, allowing the Gas Monitor (see FIGURE 2-2). sample to flow freely to and through the sampling line.
  • Page 12 Opening the Unit supplies: • 120 volts 60 Hz AC All wiring to the Model 3600 Infrared Gas • 240 volts 60 Hz AC Monitor is made via the bottom entries. The wiring access cover of the monitor •...
  • Page 13 Analog Signal Output Wiring 2. The LO Relay is energized when the signal is above the low alarm set point. The Model 3600 Infrared Gas Monitor is Configuration #1: useful in greenhouses or factory-configured with one of three analog in any application where a constant level of outputs ranges.
  • Page 14 Section 2, Installation and Set-Up Model 3600 Infrared Gas Monitor 2. Locate the meter printed circuit board There is a two-position connector for and move the jumper to the desired electrical connection to the flow switch. position (see FIGURE 2-4).
  • Page 15 Model 3600 Infrared Gas Monitor Section 3, Start-Up and Initial Adjustments Section 3 Start-up and Initial Adjustments LO Level Control Operation Sets the instrument’s low-level alarm set-point. This section describes procedures for operating all system controls and indicators: MEAS Switch •...
  • Page 16 ON position (see FIGURE 3-1). More frequent calibrations may be required when the Model 3600 unit is new, or if the The LO alarm LED may light when the sensor is dirty. Also, perform the calibration...
  • Page 17 Calibration Procedure. If the Initial Calibration CalibrationControls Procedure fails to restore the proper instrument readings, consult the The front panel door of the Model 3600 Gas Troubleshooting Section of this manual for Monitor may be opened to provide complete guidelines to correct the instrument.
  • Page 18 8. Turn ON the flow controller for at least 14. Re-connect or enable all equipment two minutes. and alarm devices connected to the Model 3600 Gas Monitor alarm relays. 9. Adjust the SPAN control to obtain a span reading on the meter (see FIGURE 3-1). CAUTION 10.
  • Page 19 Troubleshooting Guidelines the serial number and model number. This information can be found on a label The Model 3600 Gas Monitor is designed to located on the outside of the instrument. provide long and trouble-free monitoring. Occasionally, however, repairs may be Parts or assistance can be obtained by required.
  • Page 20 Section 5, Service and Replacement Parts Model 3600 Infrared Gas Monitor Table 5-2. Replacement Parts List COMPONENT/ASSEMBLY PART NO. CHASSIS ASSEMBLY MODEL 3600 PC Board Assembly, Main 696602 PC Board Assembly, Meter 696603 Meter 696604 PUMP AND FLOW SWITCH ASSEMBLY...