Qel QTS-1710 SERIES Installation, Operation And Maintenance Manual Download Page 2 | Manualshive

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B28050-410-000-RC (MANUAL FOR XD-I).doc

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TABLE OF CONTENTS

1.

GENERAL SPECIFICATIONS

...............................................................................................................3

2.

INSTALLATION

..........................................................................................................................................3

3.

FILTERS AND SENSOR POISONS

.......................................................................................................4

3.1

P

OISON

R

ESISTANT

S

ENSORS

........................................................................................................................5

3.2

F

ILTERS

.............................................................................................................................................................5

4.

CALIBRATION PROCEDURES

.............................................................................................................5

5.

CALIBRATION WITH METHANE STANDARD GAS FOR OTHER COMBUSTIBLE
GASES.

............................................................................................................................................................6

5.1

C

ONVERSION

F

ORMULAE

:

.............................................................................................................................7

5.2

C

ALIBRATION

G

ASES

......................................................................................................................................7

6.

WIRING

..........................................................................................................................................................7

7.

REMOTE SENSOR HEAD MOUNTING

.............................................................................................8

7.1

W

IRING

..............................................................................................................................................................8

7.2

C

ALIBRATION

.....................................................................................................................................................8

8.

WARRANTY STATEMENT

.....................................................................................................................9

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Summary of Contents for QTS-1710 SERIES

Page 1: ... TRANSMITTER SENSOR INSTALLATION OPERATION AND MAINTENANCE MANUAL QUATROSENSE ENVIRONMENTAL LTD 5935 OTTAWA STREET PO BOX 749 RICHMOND ONTARIO CANADA K0A 2Z0 PHONE 613 838 4005 FAX 613 838 4018 Web www QELsafety com Email QEL QELsafety com ...

Page 2: ...S AND SENSOR POISONS 4 3 1 POISON RESISTANT SENSORS 5 3 2 FILTERS 5 4 CALIBRATION PROCEDURES 5 5 CALIBRATION WITH METHANE STANDARD GAS FOR OTHER COMBUSTIBLE GASES 6 5 1 CONVERSION FORMULAE 7 5 2 CALIBRATION GASES 7 6 WIRING 7 7 REMOTE SENSOR HEAD MOUNTING 8 7 1 WIRING 8 7 2 CALIBRATION 8 8 WARRANTY STATEMENT 9 ...

Page 3: ...ity 0 99 RH Non Condensing Calibration recommendation every 90 days max Please allow 24 hours warm up time period before calibrating 2 INSTALLATION Sensor orientation should be pointing downwards Mounting height is dependent upon whether a gas is heavier or lighter than air Methane natural gas Hydrogen and Ammonia are lighter than air sensors should be placed close to the ceiling Most other combus...

Page 4: ... hydrocarbon gases being measured There is no cure for sensors poisoned with silicones There are other gases which have similar effects but which are to some degree reversible These are Chlorinated solvents sulphur based products and some others The symptoms are the same in that the sensor becomes non responsive however it is possible to burn off the coating by applying an overdose by for instance...

Page 5: ...ted charcoal filters may not be used when the gas being tested is of a type which will be absorbed by the filter General use for methane and Hydrogen detection use with propane detection is recommended for non hazardous area such a parking garages as the response time may be slowed Figure 3 Sensor Head Assembly 4 CALIBRATION PROCEDURES Equipment Digital Multimeter c w Pos and Neg probes with a 20 ...

Page 6: ...ural Gas is 5 by volume in air If the gas shipped to you is not labelled in LEL divide the concentration by 5 to get LEL e g 2 36 vol x 100 47 2 LEL 5 QTS 1710 combustible transmitter sensor respond to all gaseous hydrocarbons but to each in different degree Methane may be used to calibrate by referring to the table below and applying the formulas given For gases not in the list consult factory Re...

Page 7: ...2 82 2 LEL Propane S 4 16 x 82 2 17 15 mA signal 100 5 2 Calibration Gases Calibration gas flows of 0 5 litre minute are acceptable Sudden changes in humidity as from dry calibration gases may have a small transient effect on signal usually gone within a minute Long exhaust hoses more than six inches or so may cause back pressure conditions at the sensor and enhanced signal especially at high flow...

Page 8: ... wiring will have an effect on accuracy and power One should use the maximum wire diameter practical to minimize voltage drops e g Maximum suggested distances 16 awg 50 feet 15 meters 14 awg 100 feet 30 meters 12 awg 125 feet 35 meters It is simply necessary to extend the wire cable length accordingly Use soldered connections at all wiring joints to prevent resistance changes with age 7 2 Calibrat...

Page 9: ...L systems shall be installed by a qualified technician electrician and maintained in strict accordance with data provided for individual systems in the form of installation maintenance manuals QEL assumes no responsibility for improper installation maintenance etc and stresses the importance of reading all manuals QEL shall not be responsible for any liability arising from auxiliary interfaced equ...

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