Samson 5343 Mounting And Operating Instructions
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Samson 5343 Mounting And Operating Instructions

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EB 5206 EN
Translation of original instructions
Type 5343 Safety Tem-
Type 5344 Temperature
Type 5345 Safety Tem-
perature Monitor (STM)
Regulator (TR)
perature Limiter (STL)
Type 5347 Double Ther-
Type 5348 Double Ther-
Type 5349 Double Ther-
mostat (TR/STL)
mostat (TR/STM)
mostat (STM/STL)
Thermostats
Type 5343 · Type 5344 · Type 5345
Type 5347 · Type 5348 · Type 5349
Edition March 2020

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Summary of Contents for Samson 5343

  • Page 1 Type 5345 Safety Tem- perature Monitor (STM) Regulator (TR) perature Limiter (STL) Type 5347 Double Ther- Type 5348 Double Ther- Type 5349 Double Ther- mostat (TR/STL) mostat (TR/STM) mostat (STM/STL) Thermostats Type 5343 · Type 5344 · Type 5345 Type 5347 · Type 5348 · Type 5349 Edition March 2020...
  • Page 2 Note on these mounting and operating instructions These mounting and operating instructions assist you in mounting and operating the device safely. The instructions are binding for handling SAMSON devices. The images shown in these instructions are for illustration purposes only. The actual product may vary.

  • Page 3: Table Of Contents

    Contents Safety instructions and measures ..............1-1 Notes on possible severe personal injury ............1-4 Notes on possible personal injury ..............1-5 Notes on possible property damage .............1-6 Markings on the device ................2-1 Nameplate ....................2-1 Design and principle of operation ...............3-1 Single thermostat ..................3-1 Double thermostat ..................3-1 Testing according to DIN EN 14597 .............3-2 Technical data ....................3-3...
  • Page 4 Removal ....................12-1 12.1 Contact thermostat ..................12-1 12.2 Wall mounting ..................12-1 12.3 Thermostat mounted on the thermowell ............12-2 Repairs ....................13-1 13.1 Sending the thermostat to SAMSON ............13-1 Disposal ....................14-1 Certificates ....................15-1 Annex......................16-1 16.1 Accessories ....................16-1 16.2 After-sales service ..................16-2 EB 5206 EN...

  • Page 5: Safety Instructions And Measures

    In case operators intend to use a thermostat in applications or conditions other than those specified, contact SAMSON. SAMSON does not assume any liability for damage resulting from the failure to use the de- vice for its intended purpose or for damage caused by external forces or any other external factors.
  • Page 6 Î Check with the plant operator for details on further protective equipment. Revisions and other modifications Revisions, conversions or other modifications of the product are not authorized by SAMSON. They are performed at the user's own risk and may lead to safety hazards, for example. Fur- thermore, the product may no longer meet the requirements for its intended use.
  • Page 7 Safety instructions and measures Referenced standards, directives and regulations The Types 5343, 5344, 5345, 5347, 5348 and 5349 Thermostats with a CE marking com- ply with the requirements of the Directives 2014/30/EU and 2014/35/EU. The Types 5343, 5344, 5345, 5347 and 5348 Thermostats with an EAC marking comply with the requirements of the Regulations TR CU 004/2011 and TR CU 020/2011.

  • Page 8: Notes On Possible Severe Personal Injury

    Safety instructions and measures 1.1 Notes on possible severe personal injury DANGER Risk of fatal injury due to electric shock. Î Before connecting wiring, performing any work on the device or opening the de- vice, disconnect the supply voltage and protect it against unintentional reconnec- tion.

  • Page 9: Notes On Possible Personal Injury

    Safety instructions and measures 1.2 Notes on possible personal injury WARNING Risk of burn injuries as a result of touching hot or cold components. Thermostats installed in pipelines as well as the surrounding pipes, valves and other components may be hot or cold. Î...

  • Page 10: Notes On Possible Property Damage

    Risk of damage to the thermostat due to the supply voltage exceeding the permissi- ble tolerances. The Types 5343, 5344, 5345, 5347, 5348 and 5349 Thermostats are designed for use according to regulations for low-voltage installations. Î Observe the permissible tolerances of the supply voltage.

  • Page 11: Markings On The Device

    Markings on the device 2 Markings on the device 2.1 Nameplate 1 Type 2 Configuration ID 3 Temperature measuring range 4 Perm. voltage of NC contact 5 Perm. voltage of NO contact 6 Max. current of NC contact 7 Max. current of NO contact 8 Degree of protection 9 Max.
  • Page 12 EB 5206 EN...

  • Page 13: Design And Principle Of Operation

    Design and principle of operation 3 Design and principle of oper- Safety temperature limiters (STL) ation The snap-action switch is triggered and locked when the temperature at the tempera- ture sensor rises above the adjusted set 3.1 Single thermostat point. When the temperature falls below the set point by approximately 10 %, the The thermostat is equipped with a change- snap-action switch can be unlocked manual-...

  • Page 14: Testing According To Din En 14597

    Design and principle of operation 3.3 Testing according to DIN EN 14597 The Types 5343, 5344 and 5345 Thermo- stats are tested by the German Technical In- spectorate (TÜV) according to DIN EN 14597. Tested versions are indicat- ed on the nameplate. Type DIN register number...

  • Page 15: Technical Data

    Design and principle of operation 3.4 Technical data Table 3-1: General technical data · Types 5343, 5344, 5345, 5347, 5348 and 5349 Single thermostats: Type 5343 (STM), Type 5344 (TR), Type 5345 (STL) Double thermostats: Type 5347 (TR/STL), Type 5348 (TR/STM), Type 5349 (STM/STL) Permissible ambient temperature Transportation and storage –30 to +80 °C Service Max. 80 °C Pipe temperature when mount- Max. 120 °C...
  • Page 16 Temperature sensor, capillary Cu (copper) tube Single thermostat approx. 0.225 kg Weight Double thermostat approx. 0.45 kg Conformity Testing according to DIN EN 14597 (Types 5343, 5344 and 5345) No EAC compliance for Type 5349 Table 3-2: Technical data (depending on type) Maximum Switching Type Set point range...
  • Page 17 Design and principle of operation Maximum Switching Type Set point range Switching point accuracy medium differential temperature Safety temperature limiters (STL) 5345-1 70 to 130 °C 8 K Range: 70 to 130 °C 0 K –8.5 K 155 °C 5345-2 30 to 90 °C 8 K Range: 30 to 90 °C 0 K –8.5 K 115 °C Double thermostats TR/STL...

  • Page 18: Dimensions

    Class 1, slightly contaminating Toxicological specifications Irritant Health hazard Toxic 3.5 Dimensions Single thermostats Type 5343 Safety Temperature Monitor (STM) Dimensions with thermowell (accessories) 42,4 °C G ½ Ø 8 Ø 6 Fig. 3-1: Dimensions in mm and inches · Type 5343 Thermostat EB 5206 EN...
  • Page 19 Design and principle of operation Type 5344 Temperature Regulator (TR) Dimensions with thermowell (accessories) 42,4 Housing without thermowell G ½ Ø 8 Ø 6 Type 5345 Safety Temperature Limiter (STL) Dimensions with thermowell (accessories) 42,4 Housing without thermowell °C G ½ Ø 8 Ø 6 Metal plate and screw for fastening the thermostat onto the thermowell (wall mounting) Fig. 3-2: Dimensions in mm and inches ·...
  • Page 20 Design and principle of operation Double thermostats Type 5347 Double Thermostat (TR/STL) Dimensions with thermowell (accessories) 95,4 Housing without thermowell °C G ½ Ø 15 Ø 6 Type 5348 Double Thermostat (TR/STM) Dimensions with thermowell (accessories) 95,4 Housing without thermowell °C G ½ Ø 6 Ø 15 Fig. 3-3: Dimensions in mm and inches · Types 5347, 5348 and 5349 Double Thermostats EB 5206 EN...
  • Page 21 Design and principle of operation Type 5349 Double Thermostat (TR/STM) Dimensions with thermowell (accessories) 95,4 Housing without thermowell °C G ½ Ø 15 Ø 6 Metal plate and screw for fastening the thermostat onto the thermowell (wall mounting) EB 5206 EN...
  • Page 22 3-10 EB 5206 EN...

  • Page 23: Shipment And On-Site Transport

    Î Observe the storage instructions. 2. Check scope of delivery (see Fig. 4-1). Î Avoid long storage times. Î Contact SAMSON in case of different 3. Dispose of the packaging in accordance storage conditions or longer storage with the valid regulations.
  • Page 24 Shipment and on-site transport Note We recommend regularly checking the ther- mostat and the prevailing storage conditions during long storage periods. Storage instructions − Protect the thermostat against external in- fluences (e.g. impact). − Protect the thermostat against moisture and dirt. −...

  • Page 25: Installation

    Installation 5 Installation Contact thermostat When the thermostat is installed as a contact thermostat, the sensor must not 5.1 Installation conditions point upward (bottom of the thermostat). Work position Thermostat with thermowell If not described otherwise in the valve or ac- The thermostat with a thermowell may be tuator documentation, the work position for installed in any position.

  • Page 26: Mounting The Contact Thermostat

    Installation Thermostat Sensor Capillary tube Set point adjuster (TR only) Spring for unlocking (STL only) Seal for degree of protection IP 54 Fig. 5-2: Single thermostat · Inside view 5.3 Mounting the contact ther- mostat Single thermostats can be mounted onto pipes with diameters between 15 and 100 mm.

  • Page 27: Thermostat With Thermowell

    Installation 5.4 Thermostat with ther- 4. Uncoil the capillary to the required length (see Fig. 5-5). mowell 5. Route the sensor again through the back Measures for preparation before mounting of the housing (see Fig. 5-5). the thermowell 6. Insert seal (6) as shown in Fig. 5-6 or Fig. 5-7.

  • Page 28: Mounting On Tanks Or In Pipes

    (1) rests on the collar on the thermowell. 5. Push the thermostat approx. 2 mm lengthways toward the SAMSON logo to allow the thermowell to engage. 6. Turn the screw (7c) until the housing is fixed into place on the thermowell.
  • Page 29 Installation Fig. 5-5: Uncoiling the capillary tube Thermostat Sensor Capillary tube Seal Thermowell Clip Metal plate Screw Fig. 5-6: Wall mounting (capillary tube in the Fig. 5-7: Mounting on tanks or in pipes thermowell) EB 5206 EN...

  • Page 30: Electrical Connection

    Installation 5.5 Electrical connection Rigid wire ends: Î Strip 11 to 13 mm insulation off the ca- ble and place it into the terminal point ( DANGER ) as far it will go. Risk of fatal injury due to electric shock. Î Upon installation of the electric cables, Flexible wire ends without ferrules: you are required to observe the regula- Î...

  • Page 31: Attaching The Lead Sealing

    Installation Temperature regulator (TR) Safety temperature monitors (STM) Safety temperature limiter (STL) Dimensions in mm Fig. 5-8: Electrical connection 5.6 Attaching the lead sealing NOTICE Impaired thermostat functioning due to in- Fig. 5-9: Side view with lead sealing attached correctly attached lead sealing. Î...
  • Page 32 EB 5206 EN...

  • Page 33: Operation

    Operation 6 Operation 6.2 Safety temperature monitors (STM) 6.1 Temperature regulators Open the thermostat housing and adjust the (TR) set point using a flat-blade screwdriver. Adjust the set point at the set point adjuster 6.3 Safety temperature limiters (4). (STL) Limiting the set point range Open the thermostat housing and adjust the The lower range value and upper range val-...
  • Page 34 EB 5206 EN...

  • Page 35: Start-Up

    Start-up 7 Start-up After correct mounting and connection of the wiring as described in the 'Installation' section, the thermostat is ready to use. EB 5206 EN...
  • Page 36 EB 5206 EN...

  • Page 37: Operation

    Operation 8 Operation 8.3 Safety temperature limiters (STL) After being mounted correctly and start-up, the thermostat is ready for use. The contact switches and is locked when the temperature exceeds the adjusted tempera- 8.1 Safety temperature ture. monitors (STM) The contact switches automatically at a tem- perature of –20 °C.
  • Page 38 EB 5206 EN...

  • Page 39: Malfunctions

    Malfunctions 9 Malfunctions Î Troubleshooting (see Table 9-1). Note Contact SAMSON's After-sales Service for malfunctions not listed in the table. Table 9-1: Troubleshooting Error Possible reasons Recommended action Thermostat does Set point setting incorrect Î Check the set point setting (see the not switch 'Operation' section).

  • Page 40: Emergency Action

    9.1 Emergency action The thermostat reacts after the measured temperature in the plant exceeds the adjusted set point (see the 'Design and principle of operation' section). Usually, this action causes a valve in the plant to be closed by a safety device to prevent the temperature rising above a certain temperature.

  • Page 41: Servicing

    Servicing 10 Servicing Note The thermostat was checked by SAMSON before it left the factory. − The product warranty becomes void if service or repair work not described in these instructions is performed without prior agreement by SAMSON's After-sales Service.
  • Page 42 10-2 EB 5206 EN...

  • Page 43: Decommissioning

    Decommissioning 11 Decommissioning To decommission the thermostat before removing it, proceed as follows: The work described in this section is only to Î Shut off the process medium. be performed by personnel appropriately Î If necessary, put the plant (sections) out qualified to carry out such tasks.
  • Page 44 11-2 EB 5206 EN...

  • Page 45: Removal

    Removal 12 Removal 6. Unscrew the fastening screws. The work described in this section is only to be performed by personnel appropriately qualified to carry out such tasks. DANGER Risk of fatal injury due to electric shock. Î Before disconnecting live wires, switch off the supply voltage at the thermostat and protect it against unintentional re- connection.

  • Page 46: Thermostat Mounted On The Thermowell

    3. Disconnect the electrical wires. 4. Unscrew the screw (7c). 5. Push the thermostat approx. 2 mm lengthways away from the SAMSON lo- go to detach it from the thermowell. 6. Pull the sensor with capillary tube out of the thermowell.

  • Page 47: Repairs

    Risk of thermostat damage due to incorrect service or repair work. Î Do not perform any repair work on your own. Î Contact SAMSON's After-sales Service. 13.1 Sending the thermostat to SAMSON Defective thermostats can be returned to SAMSON for examination.
  • Page 48 13-2 EB 5206 EN...

  • Page 49: Disposal

    Disposal 14 Disposal We are registered with the German national register for waste electric equipment (stiftung ear) as a producer of electrical and electronic equipment, WEEE reg. no.: DE 62194439 Î Observe local, national and internation- al refuse regulations. Î Do not dispose of components, lubricants and hazardous substances together with your other household waste.
  • Page 50 14-2 EB 5206 EN...

  • Page 51: Certificates

    The certificates shown were up to date at the time of publishing. The latest certificates can be found on the corresponding product page on our website: u www.samsongroup.com > Products & Applications > Product selector > Sensors and Thermostats > 5343-1 u www.samsongroup.com > Products & Applications > Product selector > Sensors and Thermostats > 5343-2 u www.samsongroup.com >...
  • Page 52 Certificates EU declarations of conformity for Types 5343 and 5344 15-2 EB 5206 EN...
  • Page 53 Certificates EU declarations of conformity for Types 5345 and 5347 EB 5206 EN 15-3...
  • Page 54 Certificates EU declarations of conformity for Types 5348 and 5349 15-4 EB 5206 EN...
  • Page 55 Certificates TR CU certificate EB 5206 EN 15-5...
  • Page 56 Certificates 15-6 EB 5206 EN...

  • Page 57: Annex

    Annex 16 Annex 16.1 Accessories The thermostat is supplied without a thermowell. The following thermowells are available for single and double thermostats as accessories: Thermowell for single thermostat Max. pressure at 150 °C Order no. Nickel-plated brass · CuZn (2.0401) 100x8 mm 48 bar 1400-9844 150x8 mm 48 bar 1400-9845 200x8 mm 48 bar 1400-9846 CrNiMo steel (1.4571)

  • Page 58: After-Sales Service

    E-mail contact You can reach our after-sales service at u aftersalesservice@samsongroup.com. Addresses of SAMSON AG and its subsid- iaries The addresses of SAMSON, its subsidiaries, representatives and service facilities worldwide can be found on our website (u www.samsongroup.com) or in all SAMSON product catalogs. Required specifications Please submit the following details: −...
  • Page 60 EB 5206 EN SAMSON AKTIENGESELLSCHAFT Weismüllerstraße 3 · 60314 Frankfurt am Main, Germany Phone: +49 69 4009-0 · Fax: +49 69 4009-1507 samson@samsongroup.com · www.samsongroup.com...

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