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Dräger Polytron 8720 User Manual

Dräger Polytron 8720
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Contents
Dräger Polytron 8700/8720 3
Contents
1 For your safety. . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
1.1 General safety statements . . . . . . . . . . . . . . . . . . . .4
1.2 Definitions of alert icons . . . . . . . . . . . . . . . . . . . . . .4
2 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
2.1 Product overview . . . . . . . . . . . . . . . . . . . . . . . . . . .5
2.2 Functional description . . . . . . . . . . . . . . . . . . . . . . . .6
2.3 Intended use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
2.4 Intended area and conditions of use . . . . . . . . . . . . .6
2.5 Approvals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
2.6 Device marking . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
3 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
3.1 General information for the installation . . . . . . . . . . .7
3.2 Restrictions on the installation . . . . . . . . . . . . . . . . .7
3.3 Impedance range of the signal loop . . . . . . . . . . . . .8
3.4 Mechanical installation . . . . . . . . . . . . . . . . . . . . . . .8
3.5 Electrical installation without e-Box . . . . . . . . . . . . . .8
3.6 Electrical installation with e-Box . . . . . . . . . . . . . . .10
3.7 Connecting the device to a Dräger control unit . . . .10
3.8 Connecting the device to a PC . . . . . . . . . . . . . . . .10
3.9 PolySoft 8000 PC software (optional) . . . . . . . . . . .10
3.10 Installing software dongles . . . . . . . . . . . . . . . . . . .10
4 Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
4.1 Operating fundamentals . . . . . . . . . . . . . . . . . . . . .11
4.2 Display and LEDs . . . . . . . . . . . . . . . . . . . . . . . . . .11
4.3 Activating the Info mode . . . . . . . . . . . . . . . . . . . . .12
4.4 Switching to the Quick Menu mode . . . . . . . . . . . .13
4.5 Switching to Menu mode (password protected) . . .13
4.6 Measurement mode . . . . . . . . . . . . . . . . . . . . . . . .13
5 Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
5.1 Calibrating the device . . . . . . . . . . . . . . . . . . . . . . .14
5.2 Performing Auto Calibration . . . . . . . . . . . . . . . . . .15
6 Menu overview . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
7 Information menu. . . . . . . . . . . . . . . . . . . . . . . . . .17
7.1 Device settings . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
7.2 Sensor information . . . . . . . . . . . . . . . . . . . . . . . . .17
7.3 Datalogger information (only with data dongle) . . .17
8 Settings menu . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
8.1 Switching SIL lock on or off . . . . . . . . . . . . . . . . . . .18
8.2 Device settings . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
8.3 Communication settings . . . . . . . . . . . . . . . . . . . . .21
8.4 Sensor settings . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
8.5 Datalogger settings (only with data dongle) . . . . . .25
9 Troubleshooting. . . . . . . . . . . . . . . . . . . . . . . . . . .27
9.1 Fault reference: . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
9.2 Warning reference . . . . . . . . . . . . . . . . . . . . . . . . .28
10 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29
10.1 Maintenance intervals . . . . . . . . . . . . . . . . . . . . . . .29
10.2 Changing the sensor . . . . . . . . . . . . . . . . . . . . . . . .29
10.3 Changing the main electronics . . . . . . . . . . . . . . . .29
11 Disposal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
12 Substances in the gas library (PIR 7000). . . . . . 30
12.1 Polytron 8700 Type 334 . . . . . . . . . . . . . . . . . . . . 30
12.2 Polytron 8700 Type 340 . . . . . . . . . . . . . . . . . . . . 31
13 Technical data . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
13.1 Torques . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
13.2 Tightening torque and cable size for field wiring termi-
nals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
13.3 Factory settings . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
14 Order list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
14.1 Dräger Polytron 8700 Type 334 . . . . . . . . . . . . . . 34
14.2 Dräger Polytron 8700 Type 340 . . . . . . . . . . . . . . 34
14.3 Dräger Polytron 8720 . . . . . . . . . . . . . . . . . . . . . . 34
14.4 Sensors for remote versions . . . . . . . . . . . . . . . . . 34
14.5 Replacement sensors (except for remote versions) 35
14.6 Accessories for Polytron 8700/8720 . . . . . . . . . . . 35
14.7 Replacement parts . . . . . . . . . . . . . . . . . . . . . . . . 35
15 Declaration of Conformity . . . . . . . . . . . . . . . . . . 36

Table of Contents

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Dräger Polytron 8720 Specifications

General IconGeneral
BrandDräger
ModelPolytron 8720
CategoryMeasuring Instruments
LanguageEnglish

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