MSA Chemgard User Manual

Table of Contents
Chemgard Infrared Gas Monitor
TOC - 2
Section 2
Installation and Set-up ................................................................. 2-1
Receiving ....................................................................................................................................................2-1
Unpacking the System ................................................................................................................................2-1
WARNING ......................................................................................................................... 2-1
Initial Inspection ....................................................................................................................................2-1
Location of the Monitor ................................................................................................................................2-1
WARNING......................................................................................................................................2-1
Instrument Location Guidelines ............................................................................................................2-1
Figure 2-1. Front Door Latches ......................................................................................................2-1
Guidelines for Locating the Sampling Point(s) .............................................................................................2-2
Activity in the Room ..............................................................................................................................2-2
CAUTION .......................................................................................................................................2-2
Mounting the Standard Enclosure Unit ..................................................................................................... 2-2
WARNING......................................................................................................................................2-2
Sample System Installation ..................................................................................................................2-2
WARNING......................................................................................................................................2-2
Figure 2-2. Mounting Dimensions
................................
...................................................................... 2-3
CAUTION .......................................................................................................................................2-4
Figure 2-3. Rack Mount Unit Mounting Dimensions ......................................................................... 2-4
Figure 2-4. XP Unit Mounting Dimensions ........................................................................................ 2-5
Wiring Connections .......................................................................................................................................... 2-6
Opening the Unit ........................................................................................................................................ 2-6
CAUTION .......................................................................................................................................2-6
Unit Power Wiring .................................................................................................................................2-6
CAUTION .......................................................................................................................................2-6
Analog Signal Output Wiring ..................................................................................................................... 2-6
Figure 2-5. Primary Power Wiring ..................................................................................................2-6
Figure 2-6. Wiring Connections .......................................................................................................... 2-6
Ferrite Bead Installation ............................................................................................................................ 2-7
CAUTION .......................................................................................................................................2-7
Relay Outputs .......................................................................................................................................2-7
Figure 2-7. Ferrite Bead Installation ................................................................................................... 2-8
CAUTION .......................................................................................................................................2-9
Initial Calib
ration ................................
..........................................................................................................2-9
WARNING ......................................................................................................................................2-9
Multipoint Sequencer Operation ...................................................................................................................... 2-9
Section 3
Display Screens ............................................................................ 3-1
Figure 3-1. Display Screen Overview ................................................................................................ 3-2
Figure 3-2. Start-up and Normal Operation Screens ........................................................................ 3-3
Figure 3-3. Set-up Screens .......................................................................................................... 3-4

MSA Chemgard Specifications

General

Brand	MSA
Model	Chemgard
Category	Measuring Instruments
Language	English