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General Information 
 

Introduction 

 

Thank you for purchasing the PACE SODRTEK

®

 model ST 125 Analog Desoldering System.  This 

manual will provide you with the information necessary to properly set up, operate and maintain the 
ST 125. 

 

The ST 125 system is available in either 115 VAC or 230 VAC versions, which incorporates a highly 
responsive SensaTemp (closed loop) control system providing up to 80 Watts of total power to a 
single output channel.  The 230 VAC version system bears the CE Conformity Marking, which 
assures the user that it conforms to EMC 89/336/EEC.   

 

The 115 VAC version systems conform to FCC Emission Control Standard, Title 47, Subpart B, Class 
A.  This standard is designed to provide reasonable protection against harmful interference when the 
equipment is operated in a commercial environment.  

 

 

Specifications 

 

System Power Source Power Requirements 

ST 125 

Operates on 97-127 VAC, 50/60Hz, 90 Watts maximum at 115 VAC, 
60Hz 

ST 125E 

Operates on 197-253 VAC 50/60Hz, 80 Watts maximum at 230 VAC, 
50Hz 

Temperature Specifications 

Handpieces 

Tip Temperature Range:  204 to 455°C (400 to 850°F) nominal. 

  Temperature 

Stability: 

 

±1.1°C 

(±2°F) at idle from set tip temp. 

 

NOTE:  

Actual minimum and maximum Operating Tip Temperatures may vary depending on   

Handpiece, Tip Selection and application. 

 

 

Vacuum And Air 

Measurements at front panel Vacuum and Controllable Pressure Ports.  
Vacuum Rise Time: ------- 150 ms average. 
Vacuum: ............................ 51 cm Hg. (20 in. Hg.) (nominal) 
Pressure: .......................... 1.44 Bar (21 P.S.I.) (nominal at MAX setting) 
Air Flow: ........................... 6 SLPM (0.22 SCFM) maximum

 

 

EOS/ESD Specifications 

 

The specifications shown below apply except on "Soft Ground Systems" which have a 1meg ohm 
current limiting resistance and a label placed on the power source front panel referring to EN 
100015-1. 

Tip-To-Ground Resistance:  Less than 2 ohms.

 

AC Leakage:  Less than 2 Millivolts RMS from 50Hz to 10MHz.

 

Transient Level:  Less than 500mV peak, out to 100MHz. 

 

 
 
 
 
 
 
 
 

©2004 PACE Inc., Annapolis Junction, Maryland 

Page 3 of 13 

All Rights Reserved 

Summary of Contents for SODRTEK ST 125

Page 1: ...Operation and Maintenance Manual for the SODRTEK ST 125 Soldering System P N 5050 0534 ...

Page 2: ...ration 7 Tip Offset 7 Variable Temperature Control 8 Temperature Dial Lock 8 LED Operation 8 Temperature Dial Adjustment 8 Vacuum Pump Operation 9 Handpiece Vacuum Pressure 9 Corrective Maintenance 10 Power Source 10 Handpieces 10 Packing List 11 Spare Parts 11 Service 11 SODRTEK by PACE LIMITED WARRANTY STATEMENT 12 Contact Information 13 2004 PACE Inc Annapolis Junction Maryland Page 2 of 13 All...

Page 3: ... 97 127 VAC 50 60Hz 90 Watts maximum at 115 VAC 60Hz ST 125E Operates on 197 253 VAC 50 60Hz 80 Watts maximum at 230 VAC 50Hz Temperature Specifications Handpieces Tip Temperature Range 204 to 455 C 400 to 850 F nominal Temperature Stability 1 1 C 2 F at idle from set tip temp NOTE Actual minimum and maximum Operating Tip Temperatures may vary depending on Handpiece Tip Selection and application V...

Page 4: ...HiFlo Vacuum Port Power Switch Front Panel LED Temperature Selection Dial Illuminated LoFlo Pump Switch LoFlo Pressure Port Earth Ground Receptacle AC Power Receptacle Fuse Holder TEKLINK Receptacle Fuse 2004 PACE Inc Annapolis Junction Maryland Page 4 of 13 All Rights Reserved ...

Page 5: ...r off DO NOT touch either the heater or the tip Severe burns may result 4 PACE Tip Tool Stands and handpiece cubbies are designed specifically for use with the associated handpiece and houses it in a manner that protects the user from accidental burns Always store the handpiece in its holder Be sure to place the handpiece in its holder after use and allow for cooling before storing 5 Always use PA...

Page 6: ... and tighten Thumb Nuts 2 Place the handpiece into its Tip Tool Stand Handpiece Connection Connect the handpiece connector plug into the Power Receptacle in the following manner 1 Align guide on connector with slot on power receptacle 2 Insert connector into power receptacle 3 Turn the connector housing clockwise to lock in place TEKLINK The TEKLINK receptacle located on the back panel of the powe...

Page 7: ...h in the OFF 0 position 2 Ensure that the handpiece is connected to the power source If a plastic cap is present on the heater assembly remove it and discard The cap is used for shipping purposes only Place the handpiece in the Tip Tool Stand 3 Turn on the power source 4 Turn the Temperature dial to 315 C 600 F for 10 minutes 5 Next increase the temperature to 427 C 800 F for 15 minutes 6 Turn off...

Page 8: ...ariable Temperature Control has been reached Power to the handpiece is cycling Off and On to maintain set temperature LED Off No power is being delivered to the handpiece heater This condition is evident for a short period of time when set temperature is reached and stabilizing or if the Variable Temperature Control setting is decreased If the LED never illuminates check for a faulty handpiece see...

Page 9: ...handpiece activation button b Optional Foot Pedal can be used to actuate the HiFlo pump via the rear TEKLINK socket 2 LoFlo Pump a This pump is activated by the front Illuminated LoFlo Pump Switch b Used for the TJ 70 80 and PV 65 Pik Vac Wand CAUTION Ensure that only one air hose is connected to the VACUUM or controllable PRESSURE port at one time Attachment to both ports simultaneously will caus...

Page 10: ... end of a 1 inch 2 5cm length of air hose with an installed female quick connect hose mount fitting P N 1259 0086 to the FLOW IN side of the VisiFilter Assembly c The 137cm 54 inch length of air hose can now be easily moved between the VisiFilter Assembly and the Controllable Pressure Port The VisiFilter assembly remains connected to the Vacuum Port 4 Additional fittings may also be added to the h...

Page 11: ... 0093 0 1 5 Hex Key 050 1100 0237 1 1 6 Operations Manual CD CD5050 0459 1 1 Spare Parts Item Description PACE Part Number Fuse 1 25 Amp 250 V Time Lag ST 125 1159 0251 P5 1 Fuse 0 63 Amp 250 V Time Lag ST 125E 1159 0252 P5 2 Tip Temperature Selection Chart 5050 0251 3 TEKLINK Cable 1332 0252 P1 4 TEKLINK Remote Box 3008 0218 P1 Service Please contact PACE or your local distributor for service and...

Page 12: ...tion approved by it at no charge to user or provide parts without charge for installation by the user in the field at user s expense and risk User will be responsible for all costs of shipping equipment to Seller or other location for warranty service EXCEPT FOR THE REMEDY ABOVE DESCRIBED UNLESS OTHERWISE REQUIRED BY APPLICABLE LAW SELLER WILL HAVE NO OTHER OBLIGATION WITH REGARD TO ANY BREACH OF ...

Page 13: ...orporated Annapolis Junction Maryland U S A ARM EVAC FLO D SODR MINIWAVE PACE SENSATEMP SNAP VAC SODRTEK SODR X TRACTOR THERMOFLO THERMOJET THERMOTWEEZ VISIFILTER THERMO DRIVE and TOOLNET PACE products meet or exceed all applicable military and civilian EOS ESD temperature stability and other specifications including MIL STD 2000 ANSI JSTD 001 IPC7711 and IPC A 610 www paceworldwide com PACE USA P...

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