Emerson Tescom 44-6800 Series Operation & Service Manual Download Page 1 | Manualshive

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DOPMS2019X012

JUNE 2019

1

All Rights Reserved.

Do not attempt to select, install,

use or maintain this product until

you have read and fully understood

this manual.

44-6800 Series

44-6800E Series Electrically Heated Vaporizing Regulator

Operations & Service Manual

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Summary of Contents for Tescom 44-6800 Series

Page 1: ...l Rights Reserved Do not attempt to select install use or maintain this product until you have read and fully understood this manual 44 6800 Series 44 6800E Series Electrically Heated Vaporizing Regulator Operations Service Manual ...

Page 2: ...mation 4 3 1 1 Operating Parameters Special Conditions For Safe Use 4 3 2 Installation 4 3 2 1 Installation Precautions 4 3 3 Operation 5 3 3 1 Regulator Adjustment 5 3 3 2 Heater Temperature Controller Status 5 3 4 Maintenance and Repair Service 7 3 4 1 Repair Service 7 3 4 2 Mechanical Pressure Regulator Function 7 3 4 3 Electric Heater Function 9 4 Certifications and Warranty 10 4 1 Hazardous L...

Page 3: ...ironment codes Clearly establish flow direction of the fluid before installation of regulators valves and accessories It is the responsibility of the user to install the equipment in the correct direction Remove pressure from the system before tightening fittings gauges or components Never turn regulator or valve body Instead hold regulator or valve body and turn fitting nut Take precautions befor...

Page 4: ...plications requiring dependable pressure regulation These regulators are especially appropriate for installations where high system pressures up to 6000 psi must be reduced to levels suitable for actuating low pressure 0 psig 0 bar to 500 psig 35 bar instruments and related equipment In addition the 44 6800E Series Vaporizing regulator is designed to offset the effects of the Joule Thompson coolin...

Page 5: ... 50 to 400 C 122 to 752 F See Figure 2 NOTICE Should the thermocouple fail the analog output would read greater than 25 mA and no electrical power will be supplied to the heating element Disconnect power and check wiring j Adjust the temperature with the TRIM1 potentiometer TRIM1 potentiometer located on the electrical board provides a 270 of adjustment The temperature set point range is from 50 C...

Page 6: ... shipped separately from the regulator assembly Extra wire is provided Connectors J4 and J2 from the regulator assembly must be attached to the corresponding control board terminals For integral applications the electronics enclosure must engage the regulator assembly by at least 5 full threads made wrench tight J4 J5 J2 J1 ...

Page 7: ...Component Selection a Consider the total system design when selecting a component for use in a system b The user is responsible for assuring all safety and warning requirements of the application are met through his her own analysis and testing c TESCOM may suggest material for use with specific media upon request Suggestions are based on technical compatibility resources through associations and ...

Page 8: ...t B NOTE Upper portion of regulator includes spring button C load spring D back up plate E and diaphragm F Review correct drawing to ensure that all parts have been disassembled d Thevalvepartscannowberemovedfromtheregulator body by turning the seat retainer G counterclockwise until it is free of the regulator body Mechanical Reassembly The regulator is reassembled in the reverse order of disassem...

Page 9: ...embly drawing and bill of materials for the regulator and heater will be needed to complete maintenance procedures The assembly drawing and bill of materials are separate from this manual and available by contacting TESCOM see last page for TESCOM contact information To avoid personal injury property damage or equipment damage caused by sudden release of pressure or explosion of accumulated gas do...

Page 10: ...amb L 85 C DO NOT INSULATE ONLY USE PROVIDED MOUNTING METHODS 70174303 CL I DIV 1 GRP B C D CL II DIV I GRP E F G T3 CL I ZONE 1 AEx db IIB H2 T3 Gb ZONE 21 AEx tb IIIC T200 C Db SINGLE SEAL SEAL REQUIRED WITHIN 450MM 18 in OF THE ENCLOSURE UN SCELLEMENT DOIT ETRE INSTALLE A MOINS DE 450 MM DU BOITER 0344 G 11 2 G Ex db IIB H2 T3 Gb Ex tb IIIC T200 C Db SIRA 19ATEX1062X Ex db IIB H2 T3 Gb Ex tb II...

Page 11: ...d by the Equipment II 2GD Ex db IIB H2 T3 Gb Ex tb IIIC T200 C Db Approved by the following notified body Sira Certification Service Unit 6 Hawarden Industrial Park Hawarden CH5 3US United Kingdom Harmonized Standards EN IEC 60079 0 2018 EN 60079 1 2014 EN 60079 31 2014 On behalf of the above named company I declare that to which this declaration relates is in conformity with the provisions of the...

Page 12: ...the firmware of services or repair or replace F O B point of manufacture that portion of the goods or firmware found by Seller to be defective or refund the purchase price of the defective portion of the goods services All replacements or repairs necessitated by inadequate maintenance normal wear and usage unsuitable power sources or environmental conditions accident misuse improper installation m...

Page 13: ...on com www tescom com MIDDLE EAST AFRICA PO Box 17033 Jebel Ali Free Zone South Zone 2 Dubai UAE T 971 4 811 8443 F 971 4 886 5465 mea tescom emerson com www tescom com DOPSM2019X012 TESCOM Corporation 2015 All Rights Reserved TESCOM is a business unit of Emerson Process Management Regulator Technologies Inc Trademarks are property of divisions of Emerson Process Management The contents of this pu...

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