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EB 5207 EN Translation of original instructions Type 5312-2 Frost Protection Thermostat Edition September 2008...
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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.
1 Safety instructions and measures Intended use The Type 5312-2 Frost Protection Thermostat is designed as a switching device to open or close a circuit based on the temperature in heating, ventilation and air-conditioning systems as well as in process engineering and industrial energy transfer systems. The frost protection thermostat is designed to operate under exactly defined conditions (e.g.
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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.
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The 'Certificates' section contains this declara- tion of conformity. The Type 5312-2 Frost Protection Thermostat is designed for use in low voltage installations. Î For wiring, maintenance and repair, observe the relevant safety regulations. Referenced documentation The following documents apply in addition to these mounting and operating instructions: u T 5200 (Information Sheet: Temperature Sensors and Thermostats)
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.
Safety instructions and measures 1.2 Notes on possible personal injury WARNING Risk of burn injuries as a result of touching hot components. Thermostats installed in pipelines as well as the surrounding pipes, valves and other components may be hot or cold. Î...
Î Observe the permissible tolerances of the supply voltage. Risk of thermostat damage due to incorrect mounting. The Type 5312-2 Thermostat must be mounted properly and depending on the type of mounting. Incorrect connection of the electrical power supply will damage the frost protection thermostat.
Markings on the device 2 Markings on the device 2.1 Nameplate SAMSON Typ: Ber.: Schutzart: Type Set point range Max. current Supply voltage Degree of protection EB 5207 EN...
Type 5312-2 Function Temperature monitor (TM) Function Set point range –10 to +12 °C The Type 5312-2 Frost Protection Thermostat Sensor is a temperature monitor: Length Approx. 6 m in length, The changeover contact switches when the already sensitive in partial temperature at the temperature sensor rises ranges of approx.
Î Observe the storage instructions. 2. Check scope of delivery (see Fig. 4-1). Î Avoid long storage times. 3. Dispose and recycle the packaging in ac- Î Contact SAMSON in case of different cordance with the local regulations. storage conditions or longer storage times.
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Shipment and on-site transport Note We recommend regularly checking the frost protection thermostat and the prevailing storage conditions during long storage periods. Storage instructions − Protect the frost protection thermostat against external influences (e.g. impact). − Protect the frost protection thermostat against moisture and dirt. −...
Installation 5 Installation Note The temperature at the housing must be at 5.1 Installation conditions least as high as the adjusted temperature, but not higher than +55 °C. Work position If not described otherwise in the valve or 5.3 Mounting the frost actuator documentation, the work position protection thermostat for the thermostat is the front view looking...
Installation 5.4 Electrical connection DANGER Risk of fatal injury due to electric shock. Î Upon installation of the electric cables, you are required to observe the regula- tions concerning low-voltage installations according to DIN VDE 0100 as well as the regulations of your local power sup- plier.
Operation 6 Operation Adjusting the set point Î Use a screwdriver to set the temperature set point at the adjustment screw. Î Read the adjusted value off the scale. Adjustment screw Fig. 6-1: Adjustment screw EB 5207 EN...
Start-up 7 Start-up After correct mounting and connection of the wiring as described in the 'Installation' section, the frost protection thermostat is ready for use. EB 5207 EN...
Operation 8 Operation After start-up, the thermostat is ready for use. The changeover switch switches its contact depending on the adjusted temperature. EB 5207 EN...
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 No switching in the frost Thermostat not correctly attached Î Check attachment.
SAMSON before delivery. − 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. The frost protection thermostat does not re- quire any maintenance. EB 5207 EN...
Decommissioning 11 Decommissioning To decommission the frost protection thermo- stat 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.
Removal 12 Removal 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 frost protection thermostat and protect it against unintentional reconnection.
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 Returning the frost protection thermostat to SAMSON Defective frost protection thermostats can be returned to SAMSON for examination.
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.
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 > 5312-2 EB 5207 EN 15-1...
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LVD 2014/35/EU EN 60730-1:2016, EN 61010-1:2010 RoHS 2011/65/EU EN 50581:2012 Hersteller / Manufacturer / Fabricant: SAMSON AKTIENGESELLSCHAFT Weismüllerstraße 3 D-60314 Frankfurt am Main Deutschland/Germany/Allemagne Frankfurt / Francfort, 2017-07-29 Im Namen des Herstellers/ On behalf of the Manufacturer/ Au nom du fabricant.
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...