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TABLE OF CONTENTS
SAFETY SUMMARY .....................................................................................................................................................7
READ FIRST .............................................................................................................................................................8
1.0 INTRODUCTION ...............................................................................................................................................9
1.1 General ....................................................................................................................................................... 9
1.2 Model Number Breakdown ....................................................................................................................... 10
1.3 Speciļ¬cations ............................................................................................................................................ 11
2.0 INSTALLATION ..............................................................................................................................................13
2.1 Inspection ................................................................................................................................................. 13
2.2 Location and Mounting ............................................................................................................................. 13
2.3 Receiver Electrical Connections ............................................................................................................... 13
2.4 Sensor/Transmitter Electrical Connections ............................................................................................... 17
3.0 FUNCTIONAL DESCRIPTION .......................................................................................................................19
3.1 General ..................................................................................................................................................... 19
3.2 Features .................................................................................................................................................... 19
3.2.1 Sensors/Transmitter ..................................................................................................................... 19
3.2.1.1 Gases ........................................................................................................................... 19
3.2.1.2 Gas Concentration Range ........................................................................................... 19
3.2.1.3 Outputs ........................................................................................................................ 20
3.2.1.4 Power Consumption ..................................................................................................... 20
3.2.1.5 Sensor Cross-Sensitivity .............................................................................................. 20
3.2.2 Receiver .................................................................................................................................. 20
3.2.2.1 Input Voltage ................................................................................................................ 20
3.2.2.2 Power Requirements .................................................................................................... 20
3.2.2.3 Receiver Outputs ......................................................................................................... 21
3.2.2.3.1 Analog Outputs (AO) .......................................................................................... 21
3.2.2.3.2 Digital Outputs (DO) .......................................................................................... 21
3.2.2.4 Keypad Push-button .................................................................................................... 21
3.2.2.5 Operating Modes ......................................................................................................... 22
3.2.2.6 Password ..................................................................................................................... 22
3.2.2.7 Display Modes ............................................................................................................. 23
3.2.2.8 Watchdog Timer Circuit ............................................................................................... 24
3.2.2.9 Self-Test ....................................................................................................................... 24
3.2.2.9.1 Standard Tests ................................................................................................... 24
3.2.2.9.2 Extended Tests ................................................................................................... 24
3.2.2.9.3 Self-test Failure Messages ................................................................................. 25
3.2.2.10 Sensor Check .............................................................................................................. 26
3.2.2.11 Calibration Mode ......................................................................................................... 27
3.2.2.12 Security and Safety ...................................................................................................... 28
3.2.2.12.1 Password ............................................................................................................ 28
3.2.2.12.2 Watchdog Timer ................................................................................................. 28
3.2.2.12.3 Power Failure ...................................................................................................... 28
3.2.2.13 Battery Operation......................................................................................................... 28
3.2.2.14 Operational Alarms ...................................................................................................... 28
3.2.2.14.1 Level ................................................................................................................... 29
3.2.2.14.2 Mode .................................................................................................................. 30
3.2.2.14.3 Latch .................................................................................................................. 30
3.2.2.14.4 Delay .................................................................................................................. 31
3.2.2.15 Event Displays .......................................................................................................... 32
3.2.2.15.1 Alarm Displays ................................................................................................... 32
3.2.2.15.2 Status Event Displays ......................................................................................... 32
3.2.2.15.3 Event Queues ..................................................................................................... 33
4.0 START-UP & OPERATION .............................................................................................................................36
4.1 Firmware Level .......................................................................................................................................... 36
4.2 Calibration Data ........................................................................................................................................ 36
4.3 Quick-Start ................................................................................................................................................ 37