Samson STM 5343 Mounting And Operating Instructions Download Page 1

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Thermostats

Safety Temperature Monitor (STM) Type 5343
Temperature Regulator (TR) Type 5344
Safety Temperature Limiter (STL) Type 5345
Double Thermostat TR/STL Type 5347
Double Thermostat TR/STM Type 5348
Double Thermostat STM/STL Type 5349

Mounting and
Operating Instructions

EB 5206 EN

Edition January 2009

Type 5343 Safety Temperature

Monitor (STM)

Type 5344

Temperature Regulator (TR)

Type 5345 Safety Temperature

Limiter (STL)

Type 5347

Double Thermostat TR/STL

Type 5348

Double Thermostat TR/STM

Type 5349

Double Thermostat STM/STL

Summary of Contents for STM 5343

Page 1: ...7 Double Thermostat TR STM Type 5348 Double Thermostat STM STL Type 5349 Mounting and Operating Instructions EB 5206 EN Edition January 2009 Type 5343 Safety Temperature Monitor STM Type 5344 Temperature Regulator TR Type 5345 Safety Temperature Limiter STL Type 5347 Double Thermostat TR STL Type 5348 Double Thermostat TR STM Type 5349 Double Thermostat STM STL ...

Page 2: ...ing on tanks or in pipes 10 4 Electrical connection 12 5 Operation 13 5 1 Temperature regulator TR 13 5 2 Safety temperature monitor STM 13 5 3 Safety temperature limiter STL 13 6 Lead sealing 14 7 Dimensions in mm 14 2 EB 5206 EN Contents DANGER DANGER indicates a hazardous situation which if not avoided will result in death or serious injury NOTICE NOTICE indicates a property damage message Note...

Page 3: ...ue to their specialized training their knowledge and experience as well as their knowledge of the relevant standards 4 On wiring and connecting the thermostat you are required to observe the VDE regulations and the regulations of the local power suppliers Therefore this type of work must only be performed by trained personnel To avoid damage to any equipment the following also applies 4 Proper shi...

Page 4: ...ture falls below the set point by approximately 4 K the switch returns to its original position Safety temperature limiters STL The snap action switch is triggered and locked if the temperature at the bulb rises above the adjusted set point When the tem perature falls below the set point by approx imately 10 the snap action switch can be unlocked manually The electric circuit is opened when the te...

Page 5: ...5 cos ϕ 1 0 6 With 230 V DC 10 NC contact NO contact 0 25 A 0 25 A Safety temperature limiter STL With 230 V AC 10 NC contact Signal contact 16 A 2 5 cos ϕ 1 0 6 2 A 2 5 cos ϕ 1 0 4 With 230 V DC 10 NC contact Signal contact 0 25 A 0 25 A Influence of mean ambient temperature based on the set point A shift of the switching point arises when the ambient temperature at the knob and at the capillary ...

Page 6: ...50 C 4 K Range Range 20 to 85 C 85 to 150 C 6 K 3 K 6 K 3 K 175 C Safety temperature limiter STL 5345 1 70 to 130 C 10 K Range Range 70 to 100 C 100 to 130 C 0 K 0 K 5 K 12 K 155 C 5345 2 30 to 90 C 10 K Range Range 30 to 60 C 60 to 90 C 0 K 0 K 5 K 12 K 115 C Double thermostat TR STL 5347 1 TR 0 to 120 C 3 K Range Range 0 to 60 C 60 to 120 C 6 K 3 K 6 K 3 K 145 C STL 70 to 130 C 8 K Range Range 7...

Page 7: ... 1400 9849 300 x 8 mm 88 bar 1400 9850 Thermowells for double thermostat Max pressure at 150 C Order no Nickel plated brass CuZn 2 0401 100 x 2x 8 mm 48 bar 1400 9901 150 x 2x 8 mm 48 bar 1400 9851 CrNiMo steel 1 4571 150 x 15 mm 48 bar 1400 9853 300 x 15 mm 48 bar 1400 9854 Note The scope of delivery of the thermowell includes A clip to fasten the capillary to the thermowell see section 3 3 1 A s...

Page 8: ... failure of thermostat Do not bend or cut the capillary The smallest bending radius must not be smaller than 5 mm 3 1 Mounting position Contact thermostat The thermostat must not be suspended with the bottom of the housing containing the bulb facing upwards Thermostat with thermowell Any mounting position can be chosen 8 EB 5206 EN Installation Fig 1 Seals necessary to achieve degree of protection...

Page 9: ...tat uncoil the length of capillary required 4 For wall mounting the required length depends on the required capillary and length of the thermowell 4 For mounting the thermostat on tanks in pipes the required length depends on the length of the thermowell NOTICE Do not pull at the bulb on uncoiling the cap illary The capillary tube may break 1 Unscrew front cover from the thermo stat 2 Detach the b...

Page 10: ...uster onto the temper ature regulator 3 3 2 Mounting on tanks or in pipes The thermostats are attached to the thermowells which are screwed into place 7 Insert seal 6 8 Screw thermowell 7 into the pipe or tank 9 Insert small metal plate 7b at the back of the housing 1 and secure in place with the screw 7c 10 Push the bulb 2 as far as it will go into the thermowell 7 making sure that the round hole...

Page 11: ...b 3 Capillary 6 Seal 7 Thermowell 7a Clip 7b Small metal plate 7c Screw 1 7 7a 3 6 2 Fig 4b Wall mounting with the thermowell in a different location Fig 4c Mounting on tanks or in pipes Fig 4a Uncoiling the capillary Fig 4 Mounting the thermowell ...

Page 12: ... the cable gland M20 x 1 5 into the inside of the thermo stat The spring clamp terminals are designed for a wire cross section of 0 75 to 2 5 mm Wiring the thermostat Open the thermostat housing and wire the thermostat according to Fig 5 4 Rigid wire ends Strip 11 to 13 mm insu lation off the cable and place it into the terminal point as far it will go 4 Flexible wire ends without ferrules Use a s...

Page 13: ...on the temperature regulator 5 2 Safety temperature monitor STM Open the thermostat housing and adjust the set point using a screwdriver 5 3 Safety temperature limiter STL Open the thermostat housing and adjust the set point using a screwdriver Resetting the safety temperature limiter Note The safety temperature limiter can only be reset after the temperature has fallen below the adjusted limit by...

Page 14: ...You have to drill the holes for the lead sealing The lead seal is not included in the scope of delivery 7 Dimensions in mm 14 EB 5206 EN Lead sealing Single thermostats G1 2 Ø8 58 300 200 150 100 15 Dimensions with thermowell accessories 8 16 15 30 C 120 150 53 42 4 22 Ø 4 5 95 Type 5343 Safety Temperature Monitor STM ...

Page 15: ...rmowell wall mounting 120 150 53 42 4 22 Ø 4 5 95 Type 5345 Safety Temperature Limiter STL C 120 150 53 42 4 22 Ø 4 5 95 Type 5344 Temperature Regulator TR G1 2 Ø8 58 300 200 150 100 15 63 Dimensions with thermowell accessories G1 2 Ø8 70 300 200 150 100 15 Dimensions with thermowell accessories ...

Page 16: ...ns in mm Double thermostats Type 5347 Double Thermostat TR STL G1 2 Ø15 70 100 150 300 Dimensions with thermowell accessories Type 5348 Double Thermostat TR STM G1 2 Ø15 70 100 150 300 Dimensions with thermowell accessories ...

Page 17: ...EN 17 Dimensions in mm Metal plate and screw for fastening the thermostat onto the thermowell wall mounting Type 5349 Double Thermostat STM STL G1 2 Ø15 100 150 300 63 58 Dimensions with thermowell accessories ...

Page 18: ...18 EB 5206 EN ...

Page 19: ...EB 5206 EN 19 ...

Page 20: ...SAMSON AG MESS UND REGELTECHNIK Weismüllerstraße 3 60314 Frankfurt am Main Germany Phone 49 69 4009 0 Fax 49 69 4009 1507 Internet http www samson de EB 5206 EN 2009 01 ...

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