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HITROL CO., LTD.
HEAD OFFICE.FACTORY.R&D INSTITUDE
HITROL CO.,LTD 141, Palhakgol-gil, Jori-eup
Paju-si, Gyeonggi-do, Korea
TEL. : (00)-82-31-950-9700
FAX. :
(00)-82-31-950-9796 ~ 9799
www.hitrol.com
INSTRUCTION MANUAL
Thermal Dispersion Type Level Switch
HTML-S
Doc. no. : HTML-S_Kor_2016, Rev. 0
Issued date : 2016. 11
HITROL Co., Ltd
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Summary of Contents for HITROL HTML-S
- Page 1 Page. 1 / 10 HITROL CO., LTD. HEAD OFFICE.FACTORY.R&D INSTITUDE HITROL CO.,LTD 141, Palhakgol-gil, Jori-eup Paju-si, Gyeonggi-do, Korea TEL. : (00)-82-31-950-9700 FAX. : (00)-82-31-950-9796 ~ 9799 www.hitrol.com INSTRUCTION MANUAL Thermal Dispersion Type Level Switch HTML-S Doc. no. : HTML-S_Kor_2016, Rev. 0 Issued date : 2016.
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Page 2: Table Of Contents
8. Checkpoints for Functional Test ……………………………………………………………… 6 9. Procedures for Functional Test ………………………………………………………………… 7 10. Precautions …………………………………………………………………………………………… 8 11. Installation method ……………………………………………………………………………… 9 12. Appendix ……………………………………………………………………………………………… 10 Doc. no. : HTML-S_Kor_2016, Rev. 0 Issued date : 2016. 11 HITROL Co., Ltd... -
Page 3: Introduction
Page. 3 / 10 1. Introduction This document describes the operating principles of HTML-S, which is a thermal dispersion-type level switch; the procedures for its installation, operation, and maintenance; and the procedures for troubleshooting. This level switch is designed to detect and output existence/inexistence of fluid, which is output to the contact point of a relay. -
Page 4: Terms And Definitions
Page. 4 / 10 4. Terms and Definitions 4.1 HTML-S This refers to the thermal dispersion–type level switch. 4.2 Level Element (L/E) The L/E is a device that detects the actual fluid. 4.3 Level Transmitter (L/T) The L/T detects and outputs existence/inexistence of fluid from the data collected from the L/E, and outputs the result to the contact point of the relay. -
Page 5: Composition
In addition, special care should be taken in case cables are joined midway. For the cable connecting to the L/E, use a core conforming to the specifications of our Doc. no. : HTML-S_Kor_2016, Rev. 0 Issued date : 2016. 11 HITROL Co., Ltd... -
Page 6: Checkpoints For Functional Test
8.4.4 Ref. At the RTD of 1,500 Ω, check if the voltage between TP2 and TP3 is 4.5 V. If the voltage is beyond the range, adjust it by using R22. Doc. no. : HTML-S_Kor_2016, Rev. 0 Issued date : 2016. 11 HITROL Co., Ltd... -
Page 7: Procedures For Functional Test
9.8 The test procedures and the time constant are the same for both the all-in-one type and the stand-alone type. Doc. no. : HTML-S_Kor_2016, Rev. 0 Issued date : 2016. 11 HITROL Co., Ltd... -
Page 8: Precautions
10.2.3 Check the wired cables at regular intervals. 10.2.4 Wiring should be carried out by a qualified person. 10.2.5 Use the terminal lugs supplied by HITROL. 10.3 Precautions for installation. 10.3.1 When flanges or screws are used for fastening, the size should be the same. -
Page 9: Installation Method
Page. 9 / 10 11. Installation method 11.1 Installation method of HTML-S 11.1.1 Check the flow direction before inserting the product into the user nozzle. 11.1.2 Check the flow direction and insert it into the user nozzle. (See Figures below) 11.1.3 After inserting the product, fasten bolts and nuts. -
Page 10: Appendix
Page. 10 / 10 12. Appendix Doc. no. : HTML-S_Kor_2016, Rev. 0 Issued date : 2016. 11 HITROL Co., Ltd...
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