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1 Introduction

1.1

Typographical conventions

1.1.1

Warnings

1.1.2

Note signs

abc

Footnote

Footnotes are notes which refer to certain points in the text. Footnotes consist
of two parts:

Marking in the text and the footnote text.

The text markings are arranged as continuous superscript numbers.

The footnote text (in smaller typeface) is placed at the bottom of the page and
starts with a superscript number.

✱

Action

This symbol indicates that an

action to be performed

is described.

The individual steps are marked by this asterisk, e. g.

✱

Adjust setpoint

Danger

This symbol is used when there may be

danger to personnel

if the instruc-

tions are disregarded or not followed accurately!

Caution

This symbol is used when there may be

damage to equipment

if the instruc-

tions are disregarded or not followed accurately!

Note

This symbol is used when your

special attention

is drawn to a remark.

Reference

This symbol refers to

further information

in other chapters or sections.

Содержание KMf-20

Страница 1: ...Panel mounting Thermostats Type KMf 20 or KMf 70 B 60 2045 Operating Instructions 09 01 00073778 ...

Страница 2: ...ermany 0661 6003 716 abroad 49 661 6003 0 Fax in Germany 0661 6003 504 abroad 49 661 6003 607 All necessary settings and possible adjustments inside the instrument are described in these operating instructions However if any problems should still arise during commis sioning you are asked not to carry out any unauthorized manipulations on the unit You could endanger your rights under the instrument...

Страница 3: ...head 7 3 3 Capillary Temperature probe Pocket 7 3 3 1 General 7 3 3 2 Approved probes and pockets 8 3 4 Permissible pressure loading on pockets 11 3 4 1 Pockets U US E and ES 11 4 Installation 15 4 1 Regulations and notes 15 4 1 1 Electrical connection 15 5 Settings 17 5 1 Limit setting 17 5 2 Resetting the safety temperature limiter STB 17 5 3 Limit locking 18 5 4 Self monitoring 18 5 4 1 Respons...

Страница 4: ...Contents Page 6 Instrument description 19 6 1 Technical data 19 ...

Страница 5: ...a superscript number Action This symbol indicates that an action to be performed is described The individual steps are marked by this asterisk e g Adjust setpoint V Danger This symbol is used when there may be danger to personnel if the instruc tions are disregarded or not followed accurately A Caution This symbol is used when there may be damage to equipment if the instruc tions are disregarded o...

Страница 6: ...g after a fracture of the measuring system A Cutting through or kinking the capillary of the panel mounting thermostats Type KMf will result in permanent instrument failure H Arrangement to DIN 3440 as STB safety temperature limiter STW STB safety temperature monitor panel mounting thermostats Type KMf conform to VDE 0631 H A fracture of the measuring system may cause a leakage of the filling liqu...

Страница 7: ...sible ambient temperature and type of protection 3 Contact rating 4 Mark of conformity 2 2 Type designation Type designation 1 3 4 2 KM KM panel mounting thermostat with microswitch f with capillary standard probe form A plain cylindrical probe 20 safety temperature monitor STW STB 70 safety temperature limiter STB with lock out O n c break contact U changeover contact ...

Страница 8: ...6 3 Mounting 3 1 Dimensions KMf 1 Start of scale 2 Faston connectors A 6 3 x 0 8 mm 3 End of scale 4 Panel 5 Reset button 0 100 10 250 M4 20 38 48 1 2 3 4 5 ...

Страница 9: ... The minimum permissible bending radius of the capillary is 5 mm The temperature probe must be installed in JUMO pockets otherwise the approval of the panel mounting thermostat becomes invalid H The temperature probe must be completely immersed in the medium To ensure their overall accuracy the thermostats must only be used together with the protective pockets supplied by the factory Pockets with ...

Страница 10: ... _15 Ød d D 10 L1 10 L D B C Plain cylindrical bulb threaded connector brazed or welded to capillary Probe form C with loose nipple threaded on both ends Plain cylindrical bulb with shoulder and union nut Shoulder brazed or welded to capillary SW L d 15 G L1 S hex thread SW L d 15 G L1 S hex thread SW L d 15 L1 S hex ...

Страница 11: ...ixing screw Weld in pocket with fixing screw and clamp SW S G 14 Ø D hex pipe 27 S ØD Ø25 Ø10 Ø13 Ø8 Ø12 Ø30 UH UO Screw in pocket with fixing screw for sealing with hemp no sealing shoulder for tempera tures up to 110 C Screw in pocket open at end with fixing screw SW D G L1 S hex thread SW d S L1 G D hex thread ...

Страница 12: ...D L1 S G thread hex SW D2 10 Ø 13 Ø 8 Ø 12 Ø D S hex Q V Threaded at both ends for retrofitting on capil lary Max probe temperature 200 C Oil resistant seal Sealing gland for retro fitting on capillary Max probe temperature 200 C Oil resistant seal Scheibe Scheibe Dichtung SW d G L1 washer seal washer hex thread Scheibe Scheibe Dichtung SW Dichtung d G L1 washer seal washer seal hex thread ...

Страница 13: ...ld in nipple 16 Mo 3 no groove Loading A The values below refer to the maximum loading on the probe mounting con cerned The maximum pressure that can be sealed depends on the installation conditions and may therefore be lower Temperature Tube diameter D 8 x 0 75 mm or taper 10 x 0 75 mm 15 x 0 75 mm Max permissible pressure 100 C 89 bar 72 bar 48 150 C 83 bar 67 bar 45 200 C 78 bar 63 bar 42 300 C...

Страница 14: ...low velocity v at max permissible pressure loading and different immersion tube temperatures t Temperature 200 C Thermal medium air water oil Tube dia D 08 mm 10 mm 15 mm Air Water oil Immersion tube length mm Material ST35 8 I Immersion tube length S 200 mm Thermal medium air water oil Tube diameter D 08 mm 10 mm 15 mm Air Air Air Water oil Temperature C ...

Страница 15: ...ssure 100 C 92 bar 74 bar 50 bar 150 C 88 bar 71 bar 48 bar 200 C 83 bar 67 bar 45 bar 300 C 72 bar 58 bar 39 bar Material of tube and nipple brass CuZn Temperature Tube diameter D 8 x 0 75 mm 10 x 0 75 mm 15 x 0 75 mm Max permissible pressure 100 C 50 bar 40 bar 27 bar 150 C 48 bar 39 bar 26 bar Material of tube and nipple brass CuZn Temperature Max permissible pressure 110 C 16 bar Nipple materi...

Страница 16: ...ets supplied by the factory Fitting several probes into a common pocket is only permitted with 2 or 3 cylindrical probes 6 mm dia and pockets 15 x 0 75 mm When fitting 2 probes into a common pocket the factory supplied spring clip must be fitted in the pocket When used in air the temperature probe without pocket has to be used H The temperature probe 2 must be completely immersed in the medium oth...

Страница 17: ...pletely isolated from the mains supply before carrying out work where live components may be touched Earth the instrument at terminal PE to the protective earth This cable must have at least the same cross section as the supply cable Earthing cables must be wired in star configuration to a common earthing point which is connected to the protective earth of the supply Do not loop the earthing cable...

Страница 18: ...2 5 mm2 conductor cross section 1 Clamping block 2 Connection screw Connection diagrams 1 2 Type KMf 70 with n c break contact and lock out Type KMf 70 with n c break contact lock out and additional signal contact Type KMf 20 with changeover contact ...

Страница 19: ...t spindle 5 2 Resetting the safety temperature limiter STB After the temperature has dropped by about 10 of the scale span below the set limit safe temperature limit the microswitch can be reset Press reset button 1 until the microswitch is reset 100 0 1 3 2 4 For limit setting ranges above 120 C the set limit on the STB limiter has to be locked to prevent re adjustment 1 ...

Страница 20: ...ircuit to open permanently On the STB the microswitch will additionally be locked H If the probe cools down to below the minimum temperature of 10 C the circuit opens automatically STW STB and STB As the temperature rises above the minimum probe temperature the STB has to be reset manually Chapter 5 2 Resetting the safety temperature limiter STB page 17 The STW resets itself automatically V The lo...

Страница 21: ...ale span STW STB 9 2 1 Max current rating Fusing required see max current rating Capillary Thermostat head with end of scale max 80 C 80 C min 40 C 40 C 200 C 20 C 20 C 200 C 350 C Contact type Code Current A Voltage STW STB U 20 16 2 16 2 0 25 400 V AC 230 V AC p f 1 0 6 230 V DC STB U 70 16 2 16 2 0 25 400 V AC 230 V AC p f 1 0 6 230 V DC n c break contact on rising temperature n o make contact ...

Страница 22: ...ion Nominal position any Weight approx 0 3 kg Material of capillary and probe Minimum bending radius of capillary 5 mm in water in oil in air superheated steam 45 sec 60 sec 120 sec End of scale Capillary Probe up to 200 C copper Mat Ref 2 0090 1 5 mm dia copper Mat Ref 2 0090 brazed up to 350 C copper Mat Ref 2 0090 1 5 mm dia st steel Mat Ref 1 4571 brazed at extra cost up to 350 C st steel Mat ...

Страница 23: ...ed to the limit value A deviation from the ambient temperature at the thermostat head and or capillary from the calibration ambient temperature 22 C produces a shift of the switching point higher ambient temperature lower switching point lower ambient temperature higher switching point 0 5 0 10 For temperatures with end of scale 200 C 200 C 350 C on thermostat head per C 0 17 0 13 on capillary per...

Страница 24: ... Fax 49 661 60 03 6 07 E mail mail jumo net Internet www jumo net JUMO Instrument Co Ltd JUMO House Temple Bank Riverway Harlow Essex CM20 2TT UK Phone 44 12 79 63 55 33 Fax 44 12 79 63 52 62 E mail sales jumo co uk JUMO PROCESS CONTROL INC 885 Fox Chase Suite 103 Coatesville PA 19320 USA Phone 610 380 8002 1 800 554 JUMO Fax 610 380 8009 E mail info JumoUSA com Internet www JumoUSA com ...

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