Thermo HPA2230M Operation Manual And Parts List Download | Manualshive

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HOT PLATE

Operation Manual

and Parts List

Model Numbers

HPA2230M
HPA2234M
HPA2235M
HPA2238M

HPA2235M-13
HPA2230M-26

LT237X1 • 10/29/09

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Summary of Contents for HPA2230M

Page 1: ...HOT PLATE Operation Manual and Parts List Model Numbers HPA2230M HPA2234M HPA2235M HPA2238M HPA2235M 13 HPA2230M 26 LT237X1 10 29 09 ...

Page 2: ...ral Specifications 6 Installation 7 Site Selection 7 Operation 8 Dial Power Switch 8 Dial Control Switch 8 Preventive Maintenance 9 Troubleshooting Guide 10 Maintenance and Servicing 11 Warning 11 To Replace Insulator on Adjusting Shaft 11 To Replace Heater Coil 12 To Replace Cycle Light 12 To Replace Control Unit 13 To Replace Heating Element 14 Recalibration 15 Replacement Parts List 16 Exploded...

Page 3: ... surface of the hotplate could reach levels in excess of the maximum temperature Warnings To avoid electrical shock always 1 Use a properly grounded electrical outlet of cor rect voltage and current handling capacity 2 Disconnect from the power supply prior to main tenance and servicing To avoid personal injury 1 Do not use in the presence of flammable or combustible materials top surface can reac...

Page 4: ...sulating materials can be located in the door the hearth collar in the chamber of the product or under the hot plate top Tests performed by the manufacturer indicate that there is no risk of exposure to dust or respirable fibers resulting from operation of this product under normal conditions However there may be a risk of exposure to respirable dust or fibers when repairing or maintaining the ins...

Page 5: ... two resistant heaters embedded in a refractory material The plate is made of cast aluminum to aid in uniform surface temperature The temperature of the plate is controlled by a bimetallic ther mostat The case supports the top plate and also serves to house the electrical connections and the bimetallic thermostat 5 Introduction Warning Do not use in the presence of flamma ble or combustible materi...

Page 6: ...del No Volts Amps Watts Phase Freq HPA2230M 240 6 7 1600 1 50 60 HPA2234M 100 15 1500 1 50 60 HPA2235M 120 13 3 1600 1 50 60 HPA2235M 13 115 13 1500 1 50 60 HPA2230M 26 240 6 7 1600 1 50 60 HPA2238M 208 7 7 1600 1 50 60 Maximum Temperatures 371 C 700 F Maximum Weight on Top Plate 40 lbs 18 1 kg NOTES Supplied with three wire cord and plug 13 model CSA listed 26 model Supplied with European Cord Se...

Page 7: ...g Use a properly grounded electrical outlet of correct voltage and current handling capacity Do not use in the presence of flamma ble or combustible materials fire or explosion may result This device con tains components which may ignite such materials Caution Space unit 6 inches from combustible materials This permits the heat to escape so as not to create a possible fire hazard Caution Do not pl...

Page 8: ... the FIRST MARK on the dial plate If this does not occur see recali bration instructions on page 8 When the temperature for a given dial setting has been reached the light will cycle OFF and ON at a rate required to hold that temperature If the cycle light is OFF hot plate may still be hot To turn hot plate off turn dial switch to the fully counterclockwise position 8 Operation Warning Disconnect ...

Page 9: ...The contact points are accessible now and may be cleaned with fine sandpaper or a contact file d If contact points are severely pitted or burned replacement is suggested at this time Refer to replacement of control unit e Replace bottom cover f Turn hot plate upright and reconnect to power supply 9 Preventive Maintenance Note Do not use emery paper to clean con tact points ...

Page 10: ...e cycle light does not Hot plate not connected to Check hot plate connections to illuminate power supply power source Cycle light burned out Replace cycle light Hot plate does not heat No power Check power source and fuse Defective electrical hookup Repair electrical hookup Burned out heating element Replace defective element Burned out heater coil on control Replace heater coil unit Hot plate doe...

Page 11: ... of exposure to dust or respirable fibers resulting from operation of this product under normal conditions However there may be a risk of exposure to respirable dust or fibers when repairing or maintaining the insulating materials or when otherwise disturbing them in a manner which causes release of dust or fibers By using proper handling procedures and protective equipment you can work safely wit...

Page 12: ...oil to termi nals and slide heater coil off d Install new heater coil and secure with two nuts e Replace bottom cover f Turn hot plate upright and reconnect to power supply To Replace Cycle Light a Disconnect hot plate from power supply b Turn hot plate upside down and remove bottom cover Note placement and connection of wires to cycle light c Disconnect two leads from cycle light d Push in two cl...

Page 13: ...usting shaft and stop collar from control unit e Disconnect two white insulated wires from con trol unit Note placement and connection of wires f Remove two screws from control unit and remove control unit g Install new control unit and secure with two screws h Reconnect two white insulated wires to control unit i Reinsert adjusting shaft and stop collar Recalibration is necessary refer to recalib...

Page 14: ...emove metal cover and insulation block to expose elements g Remove defective element and insert new ele ment with the notched side up h Bend the new element leads at a 90 angle and slide them through the insulation block i Slide metal cover over element leads and insu lation block j Secure metal cover and replace case section over heating plate k Secure case section I Reconnect wires disconnected ...

Page 15: ... crosses the index line j Turn knob counterclockwise until the OFF mark on dial plate aligns with pointer line and readjust stop collar against the stop pin at this point k Tighten set screw on stop collar and check for free rotation of the control shaft between stops I Replace bottom plate m Turn hot plate upright and reconnect to power supply 15 MAINTENANCE AND SERVICING Note Recalibration my be...

Page 16: ...ent 2 required 208V 3 JC237X1 Insulation Castable 4 CN137X1 Control 5 JSX8 Insulator 6 SF54X1 Shaft 7 CR178X1 Cord Set for HPA2235M HPA2235M 13 HPA2234M 7 CR64X2A Cord Set for HPA2230M 26 7 CR64X1A Cord Set for HPA2230M 240V HPA2238M 208V 8 KBX18 Knob 9 TRX11 Terminal Block 10 PLX35 Pilot Light 11 HT54X2 Heater Coil for HPA2235M 120V UL HPA2234M 100V HPA2235M 13 120V CSA 11 HT54X1 Heater Coil for ...

Page 17: ...17 Exploded View ...

Page 18: ...18 Wiring Diagram ...

Page 19: ...c dealer from 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 request then contact our Customer Service Department at 563 556 2241 or 800 553 0039 Prior to returning any materials please contact our Customer Service Department for a Return Materials A...

Page 20: ...suse including use inconsistent with written operating instructions for the product mishandling contamination overheating modification or alteration of the product by any customer or third party or iii use of replacement parts that are obtained from a party who is not an authorized dealer of Thermo Scientific prod ucts Heating elements because of their susceptibility to overheating and contaminati...

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