MODEL WES51 ELECTRONIC SOLDERING STATION
Contents
1. F dial markings PES51 tool and tool stand WES51DUK Power unit 230V 50 60 Hz C dial markings PES51 tool and tool stand PES51 50 watt Soldering Tool w ETA Tip WARNING This product when used for soldering and similar applications produces chemicals known to the State of California to cause cancer and birth defects or other reproductive harm SPECIFICATIONS STATIONS 1 Power Input 2 Power unit output voltage 3 Size 4 Line Cord 5 Tip temperature control range 6 Control setting resolution 7 Stability 8 Absolute accuracy 9 Ambient temperature range PENCILS 1 Wattage 2 Tip voltage 3 Tool weight 4 Tool material 5 Heater type 6 Tip type 7 Sensor 8 Handle design 9 Tool cord 10 Connector 11 Recovery time STANDARDS E 2 3 4 1 2 3 Note 120VAC 10 60 Hz 230VAC 10 50 60 Hz 60 watts Isolated 24VAC 2 1 amperes 4 5 x 5 9 x 3 6 3 Wire UL Recognized 350 F to 850 F 177 C to 454 C 10 F 6 C 10 F 6 C per MIL STD 2000 Average tip temperature can be Offset to 9 F 5 C at idle with no load 60 F to 110 F 16 C to 44 C 50 watts at 24 Vac Less than 2 mv TRMS to line cord ground pin 2 ounces without cord Static dissipative thermoplastic handle and stainless steel Fiberglass and ceramic insulated heating element Reverse wound for low leakage and magnetic field cancellation Weller ET2. also can be indicated in either the Green Unlocked mode or the Red Locked mode This soldering station is UL CUL listed and meets all applicable standards for the CE mark OPERATING INSTRUCTIONS Unpack unit carefully Place spring and funnel in slot in top of tool stand Dampen the sponge distilled or de ionized water is preferred Insert tool in holder and connect tool plug to receptacle on power unit rotate plug housing Clockwise CW to lock plug into receptacle Insert line cord plug into properly grounded AC receptacle and turn station On Set temperature control knob to desired tip temperature Wait 30 seconds Remove tool from holder and tin tip with solder Unit is ready for use once the LED begins to flash indicating that it has reached the operating temperature indicated in either the Green or Red mode Always use the lowest temperature that will handle the load that you are soldering The Weller electronic control provides maximum power to the heated load even when set to the lowest temperature therefore there is no need to use high temperatures to handle heavy soldering loads By using lower temperatures and properly selecting tip styles sensitive components will be protected from heat damage WARNING Do not remove ground prong from line cord plug Removal may cause tip temperature control to be erratic AVAILABLE MODELS AND HAND PIECES PRODUCT DESCRIPTION WES51 Power unit 120V 60Hz
3. and SMT series tips Copper with heavy Iron Nickel and Chromium plating for long life Type K Thermocouple Fits deep inside tip for maximum response Heat insulated with foam sleeve for low grip temperature and maximum comfort Silicone rubber burn resistant Polarized 6 pin locking Less than 10 seconds from 100 F drop with ETA tip at 700 F Housing and tool handle made with Electrostatic Protective Materials as required in MIL B 81705 Housing passes Static Decay Test per Federal Test Method Std No 101 Method 4046 Weller ESD tools comply with DOD HDBK 263 WES51 amp WESD51 units are U L Listed and meet MIL STD 2000 MIL S 45743 W S 6536 W S 570 amp DOD STD 1686 5 WES51 units are UL CUL listed and meet all applicable standards for CE mark ACTIVATION OF LOCKOUT FEATURE Adjust the temperature set knob to the desired tip temperature Apply the Lockout Pencil to the ESD symbol on the front panel until the LED starts slowly 5 Hz blinking Red Remove the Lockout Pencil within 2 5 seconds and the temperature setting will be Locked in The indicator LED will be Red and turning the temperature set knob will have no effect on the tip temperature Reverse the lockout by applying the Lockout Pencil to the ESD symbol until the LED is slowly blinking Red Remove the Lockout Pencil within 2 5 seconds and the temperature set knob will function normally and the indicator LED will be Green
4. If the Temperature Set Knob has been adjusted during the Locked Mode the station will control to the new set point once the Lockout feature has been disabled TIP TEMPERATURE OFFSET PROCEDURE 1 Monitor the tip temperature using the K111 Type K Thermocoupled Tip temperature test kits see Replacement Parts and Accessories Section 2 Adjust the temperature set knob to the desired tip temperature and allow the tip temperature to stabilize 3 Apply the Lockout Pencil to the ESD symbol on the front panel The LED should slowly blink Red for 2 5 seconds and then slowly blink Green Adjust the temperature set knob to the measured tip temperature remove the Lockout Pencil and the Offset procedure is complete RESET STATION TO FACTORY DEFAULT SETTINGS With station turned Off adjust temperature set knob to 600 F 315 C Apply the Lockout Pencil to the ESD symbol on front panel and turn station On Remove the Lockout Pencil and the procedure is complete Any tip temperature offset programmed above will be reset to nominal factory settings AUTO OFF FEATURE The Weller Model WES51 Station will automatically shut off power to the tool and the power indicator LED after 99 min utes of inactivity of the iron Certain applications may not be recognized by the Loading Effect on the tool and may require more frequent wiping of the tip on the damp sponge to recognize use TROUBLESHOOTING G
5. MODEL WES51 ELECTRONIC SOLDERING STATION DESCRIPTION The WES51 Soldering Station is one in a series of products which have been developed for industrial manufacturing as well as for the rework and repair sector The microprocessor control allows for simple and easy operation The digital electronic control system offers excellent control performance for various soldering jobs A grounded soldering iron tip zero power switching and anti static design of the station and tool allows the WES51 Soldering System to meet the high quality standards established by Weller The station features external tip temperature offset and the ability to lock the tip temperature setting using the PW50 Probe supplied The station will automatically enter a sleep mode and shut off power to the tool and indicator LED after 99 minutes of inactivity Tip temperature is adjustable in the range of 350 F to 850 F 177 C to 454 C with the front panel temperature control knob The LED power indicator will be Green for normal operation or Red if the temperature is Locked The LED for the WES51 will also indicate the operation of the station by the following sequence Indicator LED full On indicates that the station is ramping up to temperature this can be indicated in either the Green Unlocked mode or the Red Locked mode Indicator LED full Off or flashing steadily indicates that the station has reached the Set Point this
6. Re tin tip immediately after cleaning to prevent oxidation 5 Donotremove excess solder from heated tip before storing The excess solder will prevent oxidation of the wettable surface when tip is re heated 6 Do not use any compound or anti seize material on Weller tips or sensor probe This may cause wettability problems and may cause seizing after extended heating periods REPLACEMENT PARTS AND ACCESSORIES KEY NO PART NO DESCRIPTION 1 SW110 Power Switch 2 WES206 Circuit Board Assembly for WES51 3 TR215 Power Transformer 120VAC 60 Hz 4 TR216 Power Transformer 230VAC 50 60 Hz 5 PES51 PES51 Soldering Iron Only 6 BA60 Barrel Nut Assembly 7 PES201 Heater Sensor Assembly 8 PES203 Cord Handle Assembly Not Shown PW50 Lockout Pencil Not Shown EC254 Spring and Funnel Only for PH50 Iron Stand Not Shown PH50 Tool Stand w Spring and Funnel for PES51 Tool Not Shown SMTA Surface Mount Tip Adapter for PES51 Tool Not Shown WA2000 Soldering Tool Analyzer Not Shown K111 Temperature Test Kit w Thermocoupled ETA Tip Type K Not Shown WPB1 Weller Polishing Bar Not Shown SF60 Tool Funnel for SMT Tips PES51 Iron Not Shown TC205 Replacement Sponge PES51 Iron SELECTION OF WELLER SOLDERING TIPS NUMBER DESCRIPTION TIP REACH ETA Screwdriver 1 16 5 8 ETAA Single Flat 1 16 5 8 ETB Screwdriver 3 32 5 8 ETBB Single Flat 3 32 5 8 ETC Screwdriver 1 8 5 8 ETCC Single Flat 1 8 5 8 ETD Screwdriver 3 16 5 8 ETDD Single Flat 3 16 5 8 ETH Screwdriv
7. UIDE gt WARNING AC line voltage is present inside power unit even when power switch is off Refer service to qualified personnel NOTE Access to internal parts may be gained by removing four rubber feet four screws under feet and top case TOOL DOES NOT HEAT With line cord unplugged and power switch on check for approximately 21 ohms at line cord blades 55 ohms for 230V unit Check power switch for continuity in the On position replace if defective Check line cord for continuity repair or replace if defective Check transformer primary replace transformer if defective With line cord plugged in and power switch on check for 24VAC 10 between pins 2 and 6 of tool receptacle Check transformer secondary for 24VAC 10 replace transformer if defective Check wiring to printed circuit board assembly repair or replace if defective Replace printed circuit board assembly Check wiring from tool receptacle to printed circuit board Repair or replace if defective Replace soldering tool with known good tool and recheck Refer to Tool Troubleshooting Guide Replace printed circuit board assembly TOOL OVERHEATING Replace soldering tool with known good tool and recheck Refer to Tool Troubleshooting Guide Replace printed circuit board assembly in station TIP TEMPERATURE TESTING ERRORS NOTE Tip temperature testing must be done using the K111 Type K Thermocoupled Tip temperature test kits see Rep
8. er 1 32 5 8 ETJ Long Conical 1 32 1 ETK Long Screwdriver 1 8 1 ETL Long Screwdriver 1 32 1 ETM Long Screwdriver 3 64 1 ETO Long Conical 3 64 1 ETP Conical 5 64 5 8 ETR Narrow Screwdriver 1 16 5 8 ETS Long Conical 1 64 1 ETT Long Conical 3 64 1 ETU Single Flat 1 64 5 8 ETV Single Flat 1 32 5 8 EXPLODED VIEW WES51 TO SWITCH To sf AL RECEPTACLE LAA NAN DR z Pai Y l NE AIX YELLOW LEAD TO See J6 ON PCB RED LEAD RED LEAD J1 F LDS YELLOW LEAD ORANGE LEAD RECEPTACLE CIRCUIT BOARD WIRING DETAIL EXPLODED VIEW PES51 I 7 REAR VIEW Q GROUND LEAD FROM TRANSFORMER Figure 1 Tip
9. if heater is correct else replace heater sensor assembly Complete instructions are provided with replacement part 1 2 Check sensor resistance from pin 3 to pin 4 of the tool connector should measure 1 2 ohms 1 2 1 If sensor resistance is incorrect remove heater sensor assembly from handle and check at the sensor leads see PES201 Replacement Heater Instruction Sheet 1 2 2 Replace cord handle assembly if sensor is correct else replace heater sensor assembly 1 2 3 Check resistance from pin 3 to pins 2 and 6 of the tool connector should measure 1 megohm minimum 1 2 4 Remove heater sensor assembly from handle and check for shorts in wiring inside handle Repair or replace as required 2 Tool overheating NOTE Tool will overheat with tip removed 2 1 Check resistance from pin 3 to pin 4 of the tool connector should measure at least 1 2 ohms 2 1 1 Remove heater sensor assembly and check for shorts in wiring inside handle Repair wiring as required or replace cord handle assembly Complete instructions are provided with replacement part 3 High voltage on tip 3 1 Check resistance from pin 5 of the tool connector to tip should measure 2 ohms maximum 3 1 1 If tip ground is open remove heater sensor assembly and check continuity of ground wire in cord 3 1 2 Repair wiring as required else replace cord handle assembly if open Weller ET and SMT series tips are solid Copper plated with Iron Nickel and Chromium The Nicke
10. l and Chromium protect the shank from corrosion and solder creep The tips are pre tinned in the working area with solder Use only Weller solder ing tips Use of non Weller components may void product warranty if the non Weller component causes damage to the unit Consult tool and tip selection sheet for available tip styles Keep tip tinned wipe only before using Use rosin or activated rosin fluxes Acid type fluxes will greatly reduce tip life Remove tip and clean with suitable cleaner for flux used The frequency of cleaning will depend on the type of work and usage Tips in constant use should be removed and cleaned at least once a week Corrosion between tip and sensor can cause erratic temperature control WARNING If tip does not remove easily do not force it The sensor will be damaged Try removing the tip while heated If this does not work return tool to Weller for service When installing new tips they should slide freely over sensor probe 4 Don ttry to clean tip with abrasive materials and never file the tip To do so will greatly reduce tip life Tip wettability is affected by contact with organics such as plastic resins silicone grease and other chemicals If the tip be comes unwettable it may be cleaned hot with a soft steel or brass brush using solder flux as a solvent or with a Weller WPB1 polishing bar use only when the tip is cold Do not over do this or the iron plating will be removed and the tip ruined
11. lacement Parts and Accessories Section Other methods Contact Pyrometers or Large Loading Devices or heavier thermocouple wire will cause errors Replace soldering tool with known good tool and recheck tip temperature Refer to Tool Troubleshooting Guide Calibrate station according to Tip Temperature Offset Procedure HIGH TIP VOLTAGE Replace soldering tool with known good tool and recheck tip voltage Refer to Tool Troubleshooting Guide Check for continuity from pin 5 of tool receptacle to line cord ground pin Check wiring from tool receptacle to line cord ground pin repair if defective MODEL PES51 50 WATT SOLDERING TOOL PRODUCT DESCRIPTION The Weller PES51 Soldering Pencil features a Nichrome wound Stainless Steel heating element construc tion Anon burning silicone rubber cord and a large selection of Iron Nickel and Chrome Plated Copper tips in various styles including tips for surface mount devices The handle design is lightweight high impact ESD plastic with controlled thermal conductivity via a foam sleeve to allow continuous use without discomfort from heat or fatigue The heating element is a fast response long life Nichrome wound unit encased in stainless to eliminate corrosion at high temperature The Weller PES51 tools are interchangeable without the need to make any adjustments to the station Offset function This is made possible by the use of a precision temperature sensor which is po
12. sitioned deep inside the tip to insure rapid response to soldering load variations The Weller PES51 tool has been specifically designed for use at electrostatic free workstations and is completely free from stored static charges The plastic used in this product meets the requirements for Electrostatic Protective Materials All Weller ESD tools comply with DOD HDBK 263 The Weller PES51 tool is designed to be used with the WES51 and WESD 51 series power units The station and tool combination meets DOD STD 2000 MIL S 2000 MIL S 45743 W S 570 as well as DOD STD 1686 PES51 SERIES SOLDERING TOOL TROUBLESHOOTING GUIDE CAUTION Disconnect from power unit before attempting repairs NOTE If ground pin has been removed from power unit line cord tip temperature control may be erratic 1 Tool does not heat 1 1 Check heater resistance from pin 2 to pin 6 see Figure 1 of the tool connector should measure 9 11 ohms 1 1 1 Proceedto 1 2 if heater is correct 1 1 2 Refer to PES201 Replacement Heater Sensor Instruction Sheet before disassembling see PES201 Replacement Heater Instruction Sheet 1 1 2 1 Remove tip barrel nut assembly and tip 1 1 2 2 Attach 3 8 24 nut to heater 1 1 3 Release cord strain relief by pushing cord 1 4 to 1 2 into handle see PES201 Replacement Heater Instruction Sheet 1 1 3 1 Clamp 3 8 24 nut in vise pull handle from side to side to disengage heater 1 1 4 Replace cord handle assembly
Download Pdf Manuals
Related Search