HITROL HM-90S Series Instruction Manual Download Page 1

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HM-90S Series

HITROL CO., LTD.

HITROL CO., LTD.

HEAD OFFICE.FACTORY.R&D INSTITUTE
HITROL CO., LTD 141, Palhakgol-gil, Jori-eup
Paju-si, Gyeonggi-do, Korea
TEL. : (+82)-31-950-9700
FAX. : (+82)-31-943-5600
www.hitrol.com

INSTRUCTION MANUAL

Float Type Level Switch

HM-90S Series

Doc. no. : HM90S_IM_Eng_Rev.0

Issue date: 2021. 09

Summary of Contents for HM-90S Series

Page 1: ...OFFICE FACTORY R D INSTITUTE HITROL CO LTD 141 Palhakgol gil Jori eup Paju si Gyeonggi do Korea TEL 82 31 950 9700 FAX 82 31 943 5600 www hitrol com INSTRUCTION MANUAL Float Type Level Switch HM 90S Series Doc no HM90S_IM_Eng_Rev 0 Issue date 2021 09 ...

Page 2: ...iew 3 Operating Principles 3 Characteristics 3 Specifications 4 Product Components 5 Dimensions Technical Specifications 6 Switch Specification by Process Temperature 7 Wiring 7 Installation 8 Maintenance 9 Failure Check 9 Precautions for Removal 9 Precautions for Transportation and Assembly 10 Precautions for Installation 10 Precautions for Grounding 10 Precautions for Inserted External Wire Ex p...

Page 3: ...d refining equipment of petrochemical plants Core Base Cooling Fin For high temp Cover Enclosing Tube Float Switch Block When the level of the object to be measured rises the float also rises due to buoyancy and accordingly the connected core also rises When the core rises a switch block magnet responds to the core so as to trigger the switch Solid structure and long service life Current operation...

Page 4: ... Switch Contact Form SPDT DPDT Enclosure Weather Proof IP65 Material Flange C S 304 SS 316L SS Chamber C S 304 SS 316L SS Float 316L SS Housing Cable Entry C S PF 3 4 F AL PF 3 4 F Installation Side Model HM 90S Ex HM 90SH Ex Process connection 80A JIS 10K RF Others 80A JIS 10K RF Others Ambient Temperature 20 to 80 Max Process Temp 40 to 120 40 to 200 40 to 350 Max Process Pressure Up to 20kg 300...

Page 5: ...uminum Housing Weather Proof Ex Proof Aluminum Housing Terminal Box Weather Proof Carbon steel Housing Weather Proof Carbon steel Housing Terminal Box Weather Proof Wetted Parts Cover Base Cooling Fin Terminal Box Rod Flange Chamber Cap Cover Base Cooling Fin Terminal Box ...

Page 6: ...at HM 90 Series 120 200 350 500 500 Aluminum Housing Weather Proof 120 200 350 500 500 Aluminum Housing Ex Proof 120 200 300 350 If the fluid temperature is over 200 C heat resistance cables for high temperatures shall be applied Based on pressure of 10kgf cm2 temperature of 120 C Standard length Some tolerances may occur with actual products Unit of Length mm ...

Page 7: ... 125V 0 5A Std Type Opt Type Process Temp Contact Rating External Terminal Box 500 C AC 250V 1A DC 125V 0 4A Wiring Open the cover and insert the cable into the inlet Connect the cable with COM N O N C terminal of the switch block as necessary Common COM Close on High Level N O Close on Low Level N C Common COM Close on High Level N O Close on Low Level N C Common COM Close on High Level N O Close...

Page 8: ...mended to install a bracket to support the product if necessary When installing the nozzle length shall be checked before installing the product If the temperature of object to be measured exceeds 350 an ex proof product HM 90S H Ex is not applicable If the temperature of object to be measured exceeds 120 use a high temperature product HM 90SH HM 90SH Ex and insulate the main unit and connection a...

Page 9: ... vessel to check the contact of level switch using liquid e g water and then reconfigure it For maintenance check the presence of measure object in the tank and remove it Learn how to adjust the switch block first and contact the headquarters or dealership for any replacement required If there is a problem with operation check the following first Remove the cover and check if the output of the mic...

Page 10: ... of temperature of content and pressure of vessel Install an Ex proof product only in an Ex proof zone Make sure to insert a washer if the terminal lug is removed from the ground terminal and then re connected Loosening prevention Use the cable gland connection or metal pipe line lead in on the wire inlet and use a product with equivalent Ex proof certificate to connect it with the external line l...

Page 11: ...espectively for the liquid in the general and high temperature vessels to use the product In addition make sure that the ambient temperature of housing is kept at 20 80 However Ex Proof product is limited to a maximum temperature of 350 for the liquid in the container Make sure to use high temperature cables with high temperature products To prevent damage to the cable An Ex proof product is a pre...

Page 12: ...mage found under normal operating conditions If it is not about the failure of product the service charge will be payable You can request A S at our website or by contacting our headquarters Headquarters Factory Laboratory Contact Number ADDRESS HITROL CO LTD 141 Palhakgol gil Jori eup Paju si Gyeonggi do Korea T E L 031 950 9700 Headquarters A S F A X 031 943 5600 Headquarters A S ...

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