Henkel KHTF-600 User's Manual
Contents
1. REG U S PAT OFFICE Henkel Inc P O Box 1322 Hammond LA 70404 985 345 2171 www keenovens com TY WY WE WX OT UN Henkel Inc P O Box 1322 Hammond Louisiana 70404 985 345 2171 www keenovens com Model KHTF 600 Re bake Flux Oven Installation Instructions amp Repair Parts List One Year Limited Warranty Henkel Inc warrants its products against defects in material and workmanship Henkel Inc will either repair or replace without charge any properly installed product which fails under normal operating conditions within one year from date of installation provided it is returned to our factory transportation prepaid and our inspection determined it to be defective under the terms of this warranty The warranty covers only equipment manufactured by Henkel Inc and does not extend to transportation installation or replacement charges at the buyers facility nor does it apply to any other equipment of another manufacturer used in conjunctions with Henkel Inc equipment No other warranty expressed or implies exists beyond that included in this statement Keen Ovens Model KHTF 600 Specifications Capacity 600 Ibs flux Volts 240 V Watts 2000 W Thermostat Proportional Intergrated Temperature 0 F 999 F Insulation 4 Exterior Dimensions 24 X 24 X 64 sloped bottom Net Weight 250 Ibs Shipping Weight 283 Ibs Shipping Dimensions 36 X 30 X 70 480V Single Phase Available Recommended S2. anual When using a remote thermometer to check oven temperature against controller display be sure the thermometer sensing probe is placed next to controller thermocouple to achieve proper temperature reading KHTF 600 ACCESSORIES LIST Please state model number and serial number and specify voltage and wattage when ordering repair parts spare parts or accessory parts All necessary attaching hardware is supplied with each part ordered Item numbers refer to pictorial drawings below for repair parts Model KHTF 600 Repair Parts List ITEM QUANTITY DESCRIPTION PART NUMBER 5 8 Element Assembly 240V 1000W 301026 480V 1000W 301029 3 1 Power Cord 240 V 301018 480 V 301018 A 4 2 Handles 430102 2 1 Temperature Control 240 V 301001 1 1 Neon Pilot 240 V 301085 480 V 301085 A Lid Prop Element Cover Control Box
3. ioning next check the relay operated by the temperature controller for proper control voltage and proper load voltage on the input and output sides of the relay If there is no control voltage present at the relay check wiring to the temperature controller and temperature controller output voltage If control voltage is present at relay check voltage between relay output and common If no voltage is present between relay output and common replace relay If voltage is present between relay output and common check wiring to elements and element continuity Replace faulty wiring or elements NOTE Temperature controller is equipped with an open sensor indicating light located in the digital display area IF OVEN HEATS BUT DOES NOT REACH TEMPERATURE One or more elements may be faulty Check continuity and replace faulty elements Corrective Maintenance CHANGING HEATING ELEMENTS hae Disconnect power source and empty oven of flux Remove control box cover plate and remove wire connectors from element leads Element cover may now be removed with control box still attached Note that the thermocouple lead will pull form the thermowell When replacing element cover be sure thermocouple is replaced in wall To remove wiring leads from elements place a one fourth inch open end wrench on square portion of element terminal for a back up Remove 10 32 hex nuts washers and wiring leads From interior of oven remove stove bolts nuts washe
4. ound the perimeter of the lid while still maintaining temperature Guide to Storage See the enclosed guide to storage This guide may be used in the absence of storage information from the flux manufacturer In critical situations contact your flux manufacturer Scheduled Maintenance The manufacturer recommends that after each use the operator clean all flux residue from elements and element brackets Flux build up on elements may cause hot spots and shorten element life Note For 480 V models see the attached supplement Troubleshooting The Keen oven model KHTF 600 requires a minimal amount of electrical knowledge to repair if necessary IF OVEN FAILS TO OPERATE NO HEAT 1 Check power source 2 Check power cord continuity Replace cord assembly if faulty Check output side of fuse block for proper voltage If fuses are bad inspect oven wiring and components for damage Replace fuses Check input and output voltages on temperature controller for proper voltage If input voltage is not present check wiring If input voltage is present and there is no output voltage replace or repair controller If output voltage is present check for voltage at contactor coil If voltage is not present check wiring If voltage is present at coil and contactor is in the open position replace contactor If the contactor is in the closed position and there is no output voltage present replace contactor If the over temperature contactor is funct
5. pare Parts When it is critical to have continuous operation of this unit we suggest having the following spare parts on hand 240 V 1 Set of Elements 1 Contactor 480 V 1 Set of Elements 1 Contactor 1 Transformer General Information The KHTF 600 is the most energy efficient flux oven on the market using one third the electricity and one half the stabilizing time The bottom unloading design and slide valve allows for easy dispensing of flux The unit is made from steel treated and then painted with a chemical resistant blue finish All Keen ovens are Mercury free Safety Precautions Read all instructions completely before attempting to operate this unit ek SAVE THESE SAFETY INSTRUCTIONS To reduce the risk of electrical shock fire or personal injury follow the guidelines below e Before connecting unit to a power source be sure the voltage supplied is the same as that specified on the name plate of the unit e Check outlet to ensure proper grounding of the electrical cable Have a licensed electrician check the A C power outlet if you are not sure e Use this unit for its intended purpose as described by literature e Make sure power cord is located so that it will not be stepped on tripped over or otherwise subjected to stress of heat oil or sharp edges Do not close doors on the cord e To reduce the risk of damage to the electric plug and cord disconnect by plug rather than by the cord e Do not use this
6. rs and wiring leads Install new elements and element hardware in oven being sure element terminals are clear of oven wall Check wiring diagram or parts list for proper replacement elements Reattach wiring leads to elements being sure to use a back up wrench when tightening Replace element cover on oven being sure thermocouple is replaced in well and element leads are pulled through control box access Reconnect element leads as per wiring diagram and replace control box cover plate ML Ee 7 Elements tJ Changing the Controller Changing the Elements CHANGING THE CONTROLLER 1 Disconnect from the power source and remove cover plate from control box Tag and remove leads from back of controller 3 The controller is held in place by mounting brackets on either side of controller From the rear loosen mounting bracket screws remove mounting brackets and slide controller from control box 4 To reinstall slide controller into control box attach mounting brackets and tighten set screws 5 Replace electrical leads on controller terminals as per wiring diagram Note When attaching thermocouple leads to controller the negative lead wire has red insulation and the positive lead wire has white insulation 6 Check to be sure all electrical leads are on proper terminals and are secure Replace control box cover plate CALILBRATION INSTRUCTIONS For calibration procedure refer to the Controller User s M
7. unit if cord or plug is in poor condition If it has been exposed to weather or immersed in water have a qualified serviceman inspect and replace parts as necessary e WARNING NEVER HANDLE PLUG CORD OR UNIT WITH WET HANDS OR WHILE STANDING IN WATER e Use special care when moving heavily loaded units e Do not store combustible material on or around the unit e Do not operate this unit empty e When using the unit at a distance where an extension cord becomes necessary a 3 conductor grounding cord of adequate size must be used for safety and to prevent loss of power and overheating Use only a UL listed extension cord suitable for outdoor use Make certain wire size is large enough for A C amperage rating of unit Operation Locate oven in an area free of combustible material and close to an appropriate power source Check name plate for voltage Operator should read the enclosed 2110 Temperature Controller User s Manual before placing oven in operation Note The controller has been pre configured prior to shipping However fine tuning may be done in field Wire oven to a fused disconnect of proper voltage and amperage Load oven with flux and switch on power Adjust temperature control set point to desired temperature Note Alarm option has been wired to act as an over temperature control See user manual configuration menus CAUTION DO NOT USE ON D C POWER SUPPLY Venting The KHTF 600 is designed to vent ar
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