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JUMO EMf-80 Series, Руководство по эксплуатации

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5 Resetting the STB thermostat

5.1

Resetting the STB

After the temperature has dropped by approx. 10°C of the scale span below 
the set limit (danger temperature), the snap-action switch can be reset.

5.1.1

Version for central fixing

✱

Unscrew the cap nut (1).

✱

Push down the reset button (2) until
the snap-action switch is reset.

➩

 Chapter 5.1.2 "Version with fixing bracket", page 17.

Screw the cap nut (1) back into position.

( 1 )

( 2 )

( 1 )

Содержание EMf-80 Series

Страница 1: ...Panel mounting thermostats Series EMf 80 B 60 2026 Operating Instructions 11 00 00073776...

Страница 2: ...any 06 61 6003 716 abroad 49 661 6003 0 Fax in Germany 06 61 6003 504 abroad 49 661 6003 607 All necessary settings and where required alterations inside the instrument are described in these operatin...

Страница 3: ...t 9 3 2 1 Central fixing 9 3 2 2 Fixing bracket 9 3 3 Capillary temperature probe pocket 10 3 3 1 General 10 3 3 2 Approved probe forms and protection tubes pockets 11 3 4 Permissible operating condit...

Страница 4: ...Contents 5 2 Self monitoring 17 5 2 1 Response to a break of the measuring system 17 5 2 2 Response to low temperature 17 6 Instrument description 18 6 1 Technical data 18...

Страница 5: ...ipt number Action This sign marks the description of a required action The individual steps are indicated by an asterisk e g Unscrew crosspoint screw Remove cover V Danger This sign is used where ther...

Страница 6: ...y of the panel mounting thermostat Series EMf 80 will result in the permanent failure of the instrument JUMO panel mounting thermostats Series EMf 80 are approved to VDE 0631 H The expansion fluid may...

Страница 7: ...2 1 Extra codes Case fixing standard central fixing b1 2 screws M4 spaced 28 mm b2 2 screws M3 spaced 33 mm b3 2 screws M3 spaced 22 mm 1 2 3 4 STB 82699 EMf 80 panel mounting thermostat with single...

Страница 8: ...8 3 Mounting 3 1 Dimensions EMf 80 standard EMf 80 b1 b2 b3 2 1 SW10 46 12 15 5 36 5 L 16 6 21 26 29 52 SW13 d 1 5 13 a f 10 a f 2 1 6 G 21 16 21 36 5 1 5 L 46 52 2 5 29 d B 38 thread...

Страница 9: ...el and secure with fixing nut Do not overload the plastic thread Screw on the cap nut 3 2 2 Fixing bracket Code b1 b2 b3 Drill two fixing holes 3 5 mm or 4 5 mm dia into the panel If required drill th...

Страница 10: ...ure probe must be installed in JUMO pockets If this is not the case the approval of the thermostat becomes void H The temperature probe must be completely immersed in the medium Fitting several probes...

Страница 11: ...pocket with screw in spigot Form A to DIN 3852 2 with fixing screw L _15 d SW D G L1 S hex thread US UH Weld in pocket with fixing screw and clip Screw in pocket no sealing shoulder for sealing with h...

Страница 12: ...U Material of tube and nipple brass CuZn 3 4 1 4 Protection tube in brass UH Material of tube and nipple brass CuZn A The values below refer to the maximum loading on the mounting concerned The maximu...

Страница 13: ...rmostat must only be used in conjunction with the pockets supplied by the factory H The temperature probe 2 must be completely immersed in the medium If this is not the case there will be appreciable...

Страница 14: ...onnected from the supply Earth the instrument at terminal PE to the earth conductor This cable must have a cross section that is at least as large as the supply cables Earth cables must be run in a st...

Страница 15: ...or A 6 3 x 0 8 DIN 46 244 4 3 Connection diagrams The cable can be attached or replaced without any special tools by using standardized cables that do not require any special preparation H When the th...

Страница 16: ...the scale span below the set limit danger temperature the snap action switch can be reset 5 1 1 Version for central fixing Unscrew the cap nut 1 Push down the reset button 2 until the snap action swi...

Страница 17: ...onse to a break of the measuring system 5 2 2 Response to low temperature 1 H Failure of the measuring system i e when the expansion liquid escapes will cause the pressure in the sensing system of the...

Страница 18: ...er ambient temperature lower switching point Lower temperature higher switching point If the operating temperature differs appreciably from the 22 C calibration ambient temperature it is possible to a...

Страница 19: ...witch off in operation with break protection Capillary and probe Materials Connecting cable Conductor cross section 2 5 mm2 max in water in oil in air superheated steam 45 sec 60 sec 120 sec Capillary...

Страница 20: ...ax 49 0 661 60 03 5 00 E Mail mail jumo net Internet www jumo de JUMO Instrument Co Ltd JUMO House Temple Bank Riverway Harlow Essex CM20 2TT UK Phone 44 0 1279 63 55 33 Fax 44 0 1279 63 52 62 E Mail...

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