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6 Instrument description

Operating
medium

water, oil, air, superheated steam

Time constant
t

0.632

Action

according to EN 60 730-1

Type 2BK =automatic action with micro switch-off in operation, with break

protection.

Capillary and
probe

Materials

Connecting
cable

Conductor cross-section 2.5 mm

max.

in water

in oil

in air/ superheated

steam

≤

45 sec

≤

60 sec

≤

120 sec

Capillary

Probe

standard

copper, Mat. Ref. 2.0090
1.5 mm dia.

copper, Mat. Ref. 2.0090
brazed

on request

stainless steel,
Mat. Ref. 1.4571
1.5 mm dia.

stainless steel,
Mat. Ref. 1.4571
welded

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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