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Barnstead 47900, Руководство по эксплуатации

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41

The Troubleshooting section is intended to aid in defining and correcting possible service
problems. When using the chart, select the problem category that resembles the malfunc-
tion. Then proceed to the possible causes category and take necessary corrective action.

Problem

Possible Causes

Corrective Action

Cycle light does not

The furnace is not

Reconnect furnace to power

illuminate.

connected to power supply.

supply.

Incorrect power source.

Connect to correct power
source.

ON and OFF power switch

Replace power switch.

defective.

Defective cycle light.

Replace cycle light.

Door switch malfunction.

Realign or replace furnace 
door safety switch.

Furnace does not heat.

No power.

Check power source and 
fuses or breakers.

Defective electrical hookup.

Repair electrical hookup.

Thermocouple has oxidized and Replace thermocouple.
opened the circuit.

Controller malfunction.

Replace controller.

Heating elements

Replace defective elements.

burned out.

Door switch malfunction.

Realign or replace door safety
switch.

Defective OTP relay.

Replace relay.

Defective solid state relay.

Replace relay.

Troubleshooting

Содержание 47900

Страница 1: ...0 26 F47920 33 F47924 F47925 F48020 F48020 26 with OTP F48020 33 F48024 F48025 F48025 60 F48028 8 Segment Programmable F47920 80 F47920 26 80 F47920 33 80 F47924 80 F47925 80 Models with OTP F48020 80...

Страница 2: ...le Ramp Dwell 16 8 Segment 4 x 16 Segment Programmable Models with OTP 19 Furnace Loading 39 Preventative Maintenance 40 General Cleaning Instructions 40 Troubleshooting 41 Maintenance and Servicing 4...

Страница 3: ...1 Do not use in the presence of flammable or combustible materials fire or explo sion may result This device contains components which may ignite such mate rial 2 Caution Hot Surface Avoid Contact To...

Страница 4: ...arth collar in the chamber of the product or under the hot plate top Tests performed by the man ufacturer indicate that there is no risk of exposure to dust or respirable fibers resulting from operati...

Страница 5: ...er and 3 a door safety switch for operator safety General Usage Do not use this product for anything other than its intended usage Principles of Operation The furnace chamber is heated by open coil el...

Страница 6: ...nge 2000 F 1093 C continuous 2192 F 1200 C intermittent Type F48000 Models Dimensions in Inches cm Chamber 7 17 8 W x 5 12 7 H x 10 25 4 D Overall 13 25 33 7 W x 19 48 3 H x 19 5 49 5 D Weight 56 lb 2...

Страница 7: ...lowing standards 220 240 Volt Models Only EMC EN 50081 1 Generic Emissions Standard EN 50082 2 Generic Immunity Standard Safety EN 61010 1 Safety Requirements for Electrical Equipment for Measurement...

Страница 8: ...damaged area 3 Open the furnace door and remove the packing material from inside the furnace chamber 4 Vacuum the chamber prior to use to remove the insulation dust due to shipment The Type 48000 furn...

Страница 9: ...n before connect ing the furnace to your electrical supply Installation Caution Be sure ambient temperature does not exceed 40 C 104 F The recommended ambient temperature is 17 C 27 C Ambients above t...

Страница 10: ...hen the door is opened If this condition is not true consult the Troubleshooting section before proceeding This check must be done when the furnace is heating and the cycle light is illuminated Operat...

Страница 11: ...an additional OTP relay device Basic Operation When the controller is turned ON it will per form a short self test and then display the measured value process value in the HOME DISPLAY Buttons and Ind...

Страница 12: ...the HOME DISPLAY press the SCROLL button The display will show the temperature units in C F K and then return to the HOME DIS PLAY Call Customer Service if you require a dif ferent temperature unit T...

Страница 13: ...cessi ble Not accessable Alarms The controller will flash an alarm message in the home display if an alarm condition is detected 2FSH Measured value full scale high alarm IdHi Measured value deviation...

Страница 14: ...ion when the temperature of the furnace has deviated beyond the limit The Deviation High alarm is the only alarm value which can be changed To change it press the SCROLL button until IdHi appears on t...

Страница 15: ...on Display will read tunE 4 Press the UP or DOWN button to select on 5 Simultaneously press the PAGE and SCROLL buttons to return to the HOME DISPLAY The display will alternately flash between tunE an...

Страница 16: ...Mode 5 Opt 5 is a Dwell delay time before the controller Ramps if needed to the Setpoint temperature Setting Variables The Manual or Automatic modes can be set by changing m A variable to mAn or Auto...

Страница 17: ...n until the SP is dis played 4 Press the SCROLL button once SPrr Ramp Rate will be displayed set the desired Ramp rate with the UP or DOWN buttons if the ramp to setpoint feature is needed If the Ramp...

Страница 18: ...e Flashing End Press the PAGE and SCROLL buttons at the same time Switching from Manual Mode to Auto Mode Press the SCROLL button until m A is dis played Press the UP or DOWN buttons to set to Auto Pr...

Страница 19: ...the fur nace The digital readout continuously dis plays chamber upper display and setpoint lower display temperatures unless the SCROLL or PAGE button is depressed The programmable controller can be...

Страница 20: ...t Power From the HOME DISPLAY press the SCROLL button twice This value is a read only value and cannot be changed Buttons and Indicators OP1 Output 1 illuminates when the heating output of the tempera...

Страница 21: ...list of parameters SCROLL button allows you to choose a param eter within a list of parameters UP button allows you to increase the value in the lower display DOWN button allows you to decrease the v...

Страница 22: ...The controller will default to no SEG d Flash active segment type in the lower display of the home display no YES The controller will default to no ProG LiSt Program Edit List PrG n Press the UP or D...

Страница 23: ...rate ramp to a specified setpoint at a set rate rmp t ramp time ramp to a specified temperature in a set time dwEll to maintain a constant tempera ture for a set time StEP climb instanta neously from...

Страница 24: ...time in seconds SEt 2 td2 Derivative time in seconds SEt 2 ACCS LiSt Access List Access Code Code needed to enter or change the other configuration parameters which are not normally accessible Not acc...

Страница 25: ...e SSR Htr F Heater failure Indication that there is a fault in the heating circuit indicates either a blown fuse missing supply or open circuit heater Sensor Break Protection This controller provides...

Страница 26: ...isplay The upper display indicates the actual chamber temperature 2 To change the setpoint press the UP or DOWN button until the desired set point value is displayed then release the button 3 The furn...

Страница 27: ...changes must be made in the reset state Follow the steps below to create or edit a program 1 Press the PAGE button until you reach the program list ProG LiSt 2 Press the SCROLL button until dis play...

Страница 28: ...int by more than the holdback value To set the holdback type 1 Press the PAGE button until you reach the program list ProG LiSt 2 Press the SCROLL button until display reads Hb 3 Press the UP or DOWN...

Страница 29: ...l units are time units which are used in dwELL segments amount of time to remain at a specific temperature See Setting the Segment Type for an explanation on how to set a dwell segment 1 Press the PAG...

Страница 30: ...m model only If you are using an 8 segment program skip to step 6 4 Press the SCROLL button until display reads Hb 5 Press the UP or DOWN button to toggle between bAnd Hi Lo and OFF 6 Press the SCROLL...

Страница 31: ...t 4 Press the SCROLL button until display reads tGt 5 Press the UP or DOWN button to set a target setpoint 6 Press the SCROLL button until display reads dur 7 Press the UP or DOWN button to select a t...

Страница 32: ...ads StEP 4 Press the SCROLL button until dis play reads tGt 5 Press the UP or DOWN button to set a target setpoint cALL Running Multiple Programs 4x16 Segment Programmable Models Only To call a progra...

Страница 33: ...epeat a program 1 Press the PAGE button until you reach the program list ProG LiSt 2 Press the SCROLL button until display reads tYPE 3 Press the UP or DOWN button until dis play reads End 4 Press the...

Страница 34: ...ng a Program 4x16 Segment Programmable Models To run a program press the RUN HOLD but ton The RUN light will illuminate or 1 Press the PAGE button until you reach the run list run LiSt 2 Press the SCR...

Страница 35: ...h install optimum tuning parameters to give the best temperature accuracy No manual load ing of tuning parameters is needed We recom mend that you tune the furnace to your specific application to obta...

Страница 36: ...enabled G SP will appear at the top of the PID list This sets the value at which the transfer will occur When the process value is below this level PID1 will be active and when it is above Pid2 will...

Страница 37: ...GE and SCROLL buttons to return to the HOME DISPLAY The display will flash tunE while tuning is in progress Adaptive Tuning Adaptive tuning continuously evaluates tuning parameters Adaptive tuning aut...

Страница 38: ...until drA OFF is displayed 4 Press the UP or DOWN button to select on 5 Press the SCROLL button until drA t is displayed 6 Press the UP or DOWN button until the desired trigger value is achieved 8 SE...

Страница 39: ...s Never come into contact with the heating elements Hitting the ele ments with tongs or laying the load against them will cause the elements to burn out prematurely Furnace Loading Caution Do not over...

Страница 40: ...mination that may exist on the insulation and elements Maintain 871 C 1600 F for at least 4 hours to ensure com plete ashing of foreign materials Element life is reduced somewhat by repeat ed heating...

Страница 41: ...onnect to correct power source ON and OFF power switch Replace power switch defective Defective cycle light Replace cycle light Door switch malfunction Realign or replace furnace door safety switch Fu...

Страница 42: ...isolate furnace from other electrical loads Heavy load in chamber Lighten load in chamber to allow heat to circulate Wrong heating element Install proper element Heating element burned Replace elemen...

Страница 43: ...out thermocouple Poor thermocouple connection Tighten connections Improper loading procedures Use proper loading procedures Poor ventilation of control Clear area around furnace control Thermocouple c...

Страница 44: ...defective element 8 Reverse the disassembly procedure making sure you thread all element lead wires through the insulating porcelain bushings on the back of the furnace and cut off any excess ele ment...

Страница 45: ...to the insulation 5 Guide the looped ends of the new thermocouple through the plastic bushings with the red lead to the right as you face the back of the fur nace 6 Insert the thermocouple straight t...

Страница 46: ...do not pull excessively on the internal wires 4 Disconnect the wires from the door switch Note the connection place ment of the wires to the micro switch 5 Remove the screws and nuts from the micro sw...

Страница 47: ...4 Open and close the door the switch should click when the door is opened approximately 3 and 1 to 2 before the door is closed Slide the switches backward to increase the distance forward to decrease...

Страница 48: ...d To Replace the Controller The controller plugs into a panel mounting sleeve which should be left permanently installed in the furnace housing To remove the controller release the side clips and slid...

Страница 49: ...1 All Models Single Setpoint Models with OTP F47920 F47920 26 F47920 33 F47924 F47925 F48020 F48020 26 F48020 33 F48024 F48025 F48025 60 F48028 Part number Description QTY Notes CN71X100 Controller 1...

Страница 50: ...4 Power Switch 1 208 240 volt models only TRX136 Terminal Block 1 All Models TC1165X1 Thermocouple 1 All Models 4 X 16 Segment Programmable Models with OTP F47950 F47950 26 F47950 33 F47954 F47955 F48...

Страница 51: ...SWX144 SWX143 SWX143 S2 SWITCH DOOR SWX163 SWX163 SWX163 SWX163 S3 SWITCH DOOR SWX163 SWX163 SWX163 SWX163 TB1 TERMINAL BLOCK TRX136 TC1 THERMOCOUPLE TC1165X1 TRX136 TRX136 TRX136 S1 1 2 4 3 RY1 DS1...

Страница 52: ...ROL RYX34 EL479X1A RYX57 SWX144 SWX163 EL479X1A PLX82 CN71X99 F47920 EL479X1A RYX57 SWX163 SWX144 RYX34 F47920 26 EL479X1A PLX82 RYX34 SWX143 SWX163 RYX56 EL479X1A EL479X2A RYX56 SWX163 SWX143 RYX34 P...

Страница 53: ...ROL PILOT LIGHT NEON HEATING ELEMENT DOOR SWITCH SWITCH RELAY DPST N O HEATING ELEMENT SOLID STATE RELAY S1 TC1 S3 S2 REF FUSE F2 FUSE F1 FL1 NO RY1 RY2 H2 H1 DS1 CN1 SWX144 SWX144 TC1165X1 SWX163 SWX...

Страница 54: ...OR SWITCH FILTER EMI DESCRIPTION CONTROL PILOT LIGHT NEON HEATING ELEMENT DOOR SWITCH SWITCH RELAY DPST N O HEATING ELEMENT SOLID STATE RELAY S1 TC1 S3 S2 REF FUSE F2 FUSE F1 FL1 NO RY1 RY2 H2 H1 DS1...

Страница 55: ...3 SWX163 S3 SWITCH DOOR SWX163 SWX163 SWX163 SWX163 TB1 TERMINAL BLOCK TRX136 TC1 THERMOCOUPLE TC1165X1 TRX136 TRX136 TRX136 S1 1 2 4 3 RY1 DS1 S2 TC1165X1 TC1165X1 TC1165X1 HEATING ELEMENT H2 H1 H2 T...

Страница 56: ...71X99 F48020 RYX57 SWX163 SWX144 RYX34 F48020 26 EL480X1A PLX82 RYX34 SWX143 SWX163 RYX56 RYX56 SWX163 SWX143 RYX34 PLX76 EL480X1A F48025 F48025 60 F48024 EL480X2A PLX76 DIAGRAM COMPONENT LIST REF NO...

Страница 57: ...T NEON HEATING ELEMENT DOOR SWITCH SWITCH RELAY DPST N O HEATING ELEMENT SOLID STATE RELAY S1 TC1 S3 S2 REF FUSE F2 FUSE F1 FL1 NO RY1 RY2 H2 H1 DS1 CN1 SWX144 SWX144 TC1165X1 SWX163 SWX163 TC1165X1 S...

Страница 58: ...SCRIPTION CONTROL PILOT LIGHT NEON HEATING ELEMENT DOOR SWITCH SWITCH RELAY DPST N O HEATING ELEMENT SOLID STATE RELAY S1 TC1 S3 S2 REF FUSE F2 FUSE F1 FL1 NO RY1 RY2 H2 H1 DS1 CN1 SWX144 SWX144 TC116...

Страница 59: ...rom whom you purchased this unit or can be obtained promptly from the factory When service or replacement parts are needed we ask that you check first with your dealer If the dealer cannot handle your...

Страница 60: ...ative ii misuse including use inconsistent with written operating instructions for the product mishan dling contamination overheating modification or alteration of the product by any customer or third...

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