Bacharach 2772-0803 User Manuals

Table of Contents

• INTRODUCTION

  1
• 1.1 SYSTEM DESCRIPTION

  1
• 1.2 BASIC PRINCIPLES

  1
• 1.3 GENERAL DESCRIPTION

  1
• 1.3.1 ENCLOSURE

  1
• 1.3.2 CABLE GLANDS

  1
• 1.3.3 MAIN SYSTEM BOARD

  1
• 1.3.4 SYSTEM POWER SWITCH SW1

  1
• 1.3.5 MECHANICAL CHASSIS

  1
• 1.3.6 BACK-UP BATTERY

  1
• 1.3.7 BASE BOARD

  1
• 1.3.8 SAMPLE INLET

  1
• INSTALLATION AND SYSTEM CHECK

  2
• 2.1 UNPACKING

  2
• 2.2 BATTERY CONNECTION

  2
• 2.3 MECHANICAL INSTALLATION

  2
• 2.4 ELECTRICAL INSTALLATION

  2
• 2.4.1 CABLE RECOMMENDATION

  2
• 2.4.1.1 PSU to RIS Input

  2
• 2.4.1.2 PSU to Alarm Module

  2
• 2.4.1.3 RIS Relay Output to Alarm Module

  2
• 2.4.1.4 0 – 1V Analog Output

  2
• 2.4.1.5 4 – 20 mA Analog Output

  2
• 2.4.2 POWER SUPPLY AND INPUT CONNECTIONS

  2
• 2.4.3 OUTPUT CONNECTIONS

  2
• 2.4.4 RELAY OUTPUTS

  2
• 2.4.5 ANALOG OUTPUTS

  2
• 2.5 SYSTEM POWER SUPPLY CONSIDERATION & SELECTION

  2
• 2.5.1 RIS POWER SUPPLIES

  2
• 2.5.1.1 ‘Single Point’

  2
• 2.5.1.2 ‘Multi Point’

  2
• 2.5.2 POWER REQUIREMENTS, RIS & ALARM MODULE

  2
• 2.5.2.1 Low Flow RIS Models

  2
• 2.5.2.2 High Flow RIS Models

  2
• 2.5.2.3 ‘Worst Case’ Currents

  2
• 2.5.2.4 Alarm Module

  2
• 2.5.2.5 Summary ‘Worst Case’ Input Currents

  2
• 2.6 SAMPLE LINES

  2
• 2.6.1 GENERAL

  2
• 2.6.2 LESS REACTIVE GASES

  2
• 2.6.3 REACTIVE GASES

  2
• 2.6.4 SYSTEM PERFORMANCE WITH EXTENDED SAMPLE LINES

  2
• 2.7 0 – 1 VOLT CONVERSION

  2
• 2.7.1 TOOLS & MATERIALS REQUIRED

  2
• 2.7.2 PROCEDURE

  2
• 2.8 SYSTEM CHECK

  2
• 2.8.1 TAPE CASSETTE LOADING

  2
• 2.8.2 CHECK AND ADJUST SYSTEM PARAMETERS

  2
• 2.8.2.1 V, System Voltage

  2
• 2.8.2.2 mA, ‘Charger Current’

  2
• 2.8.2.3 Alarm Set Points

  2
• 2.8.2.4 Alarm Level 1 and 2

  2
• 2.8.2.5 Gas Curve

  2
• 2.8.2.6 Multi Gas Curve Systems

  2
• 2.8.2.7 Light Levels Track 1 & 2

  2
• 2.8.2.8 Flow Rate

  2
• 2.8.2.9 Date & Time

  2
• 2.8.2.10 Interruption of TEST Mode Cycle

  2
• 2.8.2.11 Completion of Checks

  2
• 2.9 OPTION PCB INSTALLATION

  2
• 2.9.1 PRINTER (OPTION) INTERFACE INSTALLATION

  2
• 2.9.2 PORTABLE PRINTER

  2
• 2.9.3 ALARM MODULE CONNECTION

  2
• 2.9.4 RELAY ALARM INSTALLATION

  2
• SYSTEM OPERATION AND FEATURES

  3
• 3.1 COMPLETE SAMPLING SEQUENCE

  3
• 3.1.1 AUTOMATIC PURGE CYCLE

  3
• 3.1.2 TWIN TRACK TAPE SAMPLING

  3
• 3.1.3 TAPE REFERENCE MEASUREMENT

  3
• 3.2 DENSITY AND TIME OPERATING MODES

  3
• 3.2.1 DENSITY MODE

  3
• 3.2.2 TIME MODE

  3
• 3.3 CHANGE-OVER FROM DENSITY TO TIME MODE

  3
• 3.4 MIMINUM SAMPLE TIME

  3
• 3.5 TAPE CASSETTE LIFE

  3
• 3.6 DATA POINT STORAGE

  3
• 3.7 SYSTEM DISPLAY

  3
• 3.7.1 SYSTEM NORMAL, GAS CONCENTRATION ZERO OR LOW.

  3
• ALARM THRESHOLD

  3
• 3.7.3 OVERRANGE ALARM

  3
• 3.7.4 SYSTEM FAULT

  3
• 3.8 SYSTEM ALARMS

  3
• 3.8.1 GAS ALARM

  3
• 3.8.2 ADDITIONAL GAS ALARM SET POINT

  3
• 3.8.3 FAULT RELAY

  3
• 3.9 DIAGNOSTICS

  3
• 3.10 TEST MODE

  3
• 3.11 KEYPAD FUNCTION

  3
• 3.11.1 ‘HOLD/RELEASE’ KEY

  3
• 3.11.2 ‘PRINT’ KEY

  3
• 3.11.3 ‘15 MIN TWA (DECADE)’ KEY

  3
• 3.11.4 ‘8 HR TWA (DIGIT SET)’ KEY

  3
• 3.12 USING THE KEYBOARD

  3
• 3.13 OPTIONAL FEATURES

  3
• 3.13.1 RELAY ALARM OPTION

  3
• 3.13.2 PRINTER INTERFACE OPTION

  3
• 3.13.3 TEST CARD

  3
• 3.14 PRINTER OPERATION & USE (OPTIONAL FEATURE)

  3
• 3.14.1 GENERAL

  3
• 3.14.2 PRINTER SPECIFICATION

  3
• 3.14.3 PRINTOUT MODES

  3
• 3.14.3.1 Printing 'On Line'

  3
• 3.14.3.2 Print at Intervals

  3
• 3.14.3.3 Print on Command

  3
• 3.14.3.4 Printed Date Format

  3
• 3.14.3.5 Data Storage up to 7 Days

  3
• 3.14.3.6 Preventing Data Loss

  3
• 3.14.4 PRINTER CARD DESCRIPTION

  3
• 3.14.4.1 Real Time Clock

  3
• 3.14.4.2 Data Storage

  3
• 3.14.4.3 Data Communication

  3
• 3.14.4.4 Selection of Printer Baud Rate

  3
• 3.14.5 CONNECTING A PRINTER

  3
• 3.14.5.1 GMD Printer Connection

  3
• 3.14.5.2 Connecting a Non-GMD Printer

  3
• 3.14.5.3 Portable Use of a Non-GMD Printer

  3
• MAINTENANCE AND TROUBLESHOOTING

  4
• MAINTENANCE GENERAL

  4
• VERIFYING THAT A GAS ALARM WAS CAUSED BY GAS

  4
• CLEARING A SPURIOUS ALARM

  4
• ADJUST LIGHT LEVELS

  4
• CHECKING AND ADJUST SYSTEM FLOW RATE

  4
• DISABLING THE ‘DOOR OPEN’ ALARM

  4
• ADJUST THE DOOR SWITCH

  4
• MEASURING PUMP CURRENT

  4
• RESETTING THE PRINTER OPTION STORAGE

  4
• CLEANING THE SAMPLING INPUT AND OPTICS BLOCK

  4
• 4.10.1 INTRODUCTION

  4
• 4.10.2 LIGHT LEVEL ADJUSTMENT

  4
• 4.10.3 WHEN TO CLEAN

  4
• 4.10.4 HOW TO CLEAN

  4
• 4.10.5 DIRECT CLEANING OF THE LED’S AND PHOTO DIODES

  4
• 4.10.6 REPLACING THE OPTICS BLOCK

  4
• CHANGING A PUMP.

  4
• 4.11.1 PREPARATION

  4
• 4.11.2 REMOVAL OF THE MECHANICAL CHASSIS

  4
• 4.11.3 PUMP REMOVAL

  4
• 4.14.4 FITTING THE NEW PUMP

  4
• SETTING PUMP FLOW

  4
• EXTERIOR CLEANING

  4
• KEY PARAMETER CHECKS

  4
• MECHANICAL TIGHTNESS

  4
• 4.14.1 CABLE GLANDS

  4
• 4.14.2 DOOR SWITCH

  4
• 4.14.3 DOOR SEALS

  4
• 4.14.4 SAMPLE INLET

  4
• 4.14.5 INTERFACE TERMINAL SCREWS

  4
• INPUT PATH CLEANING

  4
• PUMP CHECK

  4
• CHARCOAL FILTER & TUBING CHECK

  4
• TROUBLESHOOTING GENERAL

  4
• EXCESSIVE INPUT CURRENT

  4
• 4.19.1 HIGH CHARGING CURRENT

  4
• 4.19.2 HIGH PUMP CURRENT

  4
• LOW PUMP FLOW

  4
• 4.20.1 A FAULTY PUMP

  4
• 4.20.2 A BADLY FITTED INPUT TUBE

  4
• 4.20.3 A FAULTY TAPE GATE SEAL

  4
• 4.20.4 LEAKING OR LOOSE TUBING

  4
• EXCESSIVE TAPE USE

  4
• 4.21.1 MONITORED CONCENTRATION LEVELS HIGH

  4
• 4.21.2 EXCESSIVE STEP LENGTH

  4
• TAPE BREAKAGE

  4
• LIGHT FAULTS

  4
• DOOR FAULT

  4
• SYSTEM SPARE PARTS

  5
• MODEL DEPENDENT PARTS

  5
• 5.1.1 CASSETTE

  5
• 5.1.2 OPTICS BLOCK

  5
• 5.1.3 BACK-UP BATTERY

  5
• 5.1.4 PUMP ASSEMBLY

  5
• SYSTEM POWER SUPPLIES

  5
• 5.2.1 ‘SINGLE POINT’

  5
• 5.2.2 ‘MULTIPOINT’

  5
• RECOMMENDED SPARES

  5
• COMMON PARTS

  5
• OPTIONS AND SUPPLIES

  5
• SERVICE CENTERS

  5