Carbon Monoxide Alarm User Manual

Page 2
Table of Contents
Introduction 5
Signal Words ---------------------------------------------------------------------------------------------------5
WARNINGS AND CAUTIONS-------------------------------------------------------------------------------6
Chapter 1 PhD
2
Description ----------------------------------------------------------------------------7
1.1 PhD
2
capabilities 7
1.1.1 Methods of sampling 7
1.1.2 Multi-sensor capability 7
1.1.3 Calibration 7
1.1.4 Alarm logic 7
1.1.5 Atmospheric hazard alarms 8
1.1.6 Low battery alarms 8
1.1.7 Other alarms and special microprocessor features 8
1.1.8 Classification for intrinsic safety 9
1.1.9 Options 9
1.1.9.1 Sensors 9
1.1.9.2 Batteries 9
1.1.9.3 Battery powered sample draw pump 9
1.1.9.4 Computer Link Kit 9
1.2 PhD
2
design components 9
1.3 PhD
2
accessories 10
Chapter 2 Basic operation ------------------------------------------------------------------------------11
2.1 Overview of PhD
2
operation 11
2.1.1 Turning the PhD
2
on 11
2.1.2 Start-up sequence 11
2.1.3 Turning the PhD
2
off 11
2.2 Operating modes 11
2.2.1 Text Only mode 12
2.2.2 Basic mode 12
2.2.3 Technician mode 12
2.2.4 Changing operating modes 13
2.3 Batteries 13
2.3.1 PhD
2
battery options 13
2.3.1.1 NiCad 13
2.3.2 Battery life 14
2.3.3 Low battery voltage alarms 14
2.3.4 Charging procedures 14
2.4 Methods of sampling 15
2.4.1 Using the hand aspirated sample draw kit 15
2.4.2 Using the battery operated (slip-on) sample draw pump 15
Chapter 3 Calibration -------------------------------------------------------------------------------------17