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iron. 
2.   The welding temperature can be regulated from 150

0

C to 450

0

C in steps by 

means   of   two   regulating   switches   ( +/ -).  The   temperature   will   increase   ( +

△ ▽

 

switch) or decrease ( - switch) by 1

0

C every time you press the switch momently. 

If you press the switch without move, regulating will go on by10

0

C every grade till 

the demanded temperature is displayed.
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When the welding temperature is regulated to a wanted number, the factual 

working temperature will approach the set temperature gradually.
     Instructions:

.  When the weld machine is turned off, the regulated temperature will be kept 

automatically.   And   when   you   turn   on   the   machine   next   time,   this   set 

temperature will be displayed automatically.
.     Once   any   malfunction   happens   for   example   the   temperature   sensor   is 

damaged,   or   the   connecting   lead   between   the   electric   iron   and   the   weld 

machine   is   disconnected,   the   display   will   show   malfunction.   Further,   the 

piezoelectricity sensor inside will give out sound of alarm. In that situation, 

shut down the machine immediately, switch off the power supply and look up 

possible cause resulting in malfunction.

Operation:

To make welding work perfect, you have to use the proper welding rod and 

operate   the   weld   machine   accurately.   Electric   welding   rod   with   colophony   is 

advised to use. Any welding preparation with halogen is forbidden. The welding 

preparation on the rod can clear away the impurities and oxides on the welding 

point that will do harm to welding and prevent new oxides from being created in 

the course of welding. In practice, alloy solder L-SN60PbCu2

German Industry 

Standard 8516

with 60% tin

60/40 solder

) 

is mostly used. This solder has 

many welding rod standards and 1mm welding rod is advised to use in electric 
•only the operation safety of the weld machine is guaranteed, can we use the weld 

machine. In the following circumstances, the operation safety may not available:

If there are damages which can be seen with our eyes, (for example, insulation has

 

problems, the crust crazes );

the weld machine can not operate

the weld machine is usually left under poor circumstances

with inappropriate transportation

the damaged weld machine is not allowed to be used again, and the power supply

 

must be cut off, in case that some one who don’t know that will use it. If it needs 

maintenance and repair, only the professionals with strict training can open the 

weld machine to maintain and repair it. Self-disassembly may result in the danger 

of electric shake, and in the risk of losing the right of the counterclaim based on 

the quality guarantee.
•Only the voltage and frequency marked on the data plate can be used by the weld 

machine.
•the weld machine can only  be installed in the dry workshops to operate.
•the weld machine in operation must be looked after by workers.
•the weld machine can not operate or be put aside within the reach of the children.
•the weld machine can not be used under the wet circumstances or near the easily 

flaming or the plosive materials or air.
•during the welding , it will produce welding evaporation, so welding can only be 

allowed in the draught workshops.
•welding can only be carried out on the components with no electricity.
•You have to obey the corresponding regulation of safety protection, if the weld is 

used in the industry.
•if   the   weld   machine   is   moved   from   the   cold   room   to   the   warm   room,   the 

temperature will be changed, which will cause the congealed water which will 

affect or damage the components of the machine, please wait to weld until the 

temperature of the weld machine is the same with that in the room.

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Summary of Contents for ZD-931

Page 1: ...ZD 931 SOLDERING STATION WITH DIGITAL DISPLAY TEMPERATURE Operation Instructions ...

Page 2: ...Y TEMPERATURE This weld machine is an ideal welding tool for an amateur fancier school car of electronics and for maintaining the service producing with laboratory The weld machine is installed with electric soldering iron frame and the sponge for tidying up glue It is equipped with LCD digital temperature display which can display set temperature and factual temperature simultaneously outer shell...

Page 3: ...s about 2000 C The key to ensure the quality of welding point is the proper welding temperature The welding temperature of electric components is from 3000 C to 3800 C Too low temperature will lead to cold welding point while too high temperature will result in drop of the welding preparation and rupture of the jointing slot Moreover too high temperature will also possibly lead to damage of circui...

Page 4: ...elding rod is advised to use in electric only the operation safety of the weld machine is guaranteed can we use the weld machine In the following circumstances the operation safety may not available If there are damages which can be seen with our eyes for example insulation has problems the crust crazes the weld machine can not operate the weld machine is usually left under poor circumstances with...

Page 5: ...r preparation T500mA 250fu 5 20 millimeter It is prohibited to connect the damaged fuse or use some other characterized fuse When substitute the fuse you must turn off the weld machine and cut off the power And then apply the screw to open the fuse on the back of the weld machine disassembly the burned fuse and substitute the good fuse and then cover the fuse box Preparation Please conserve the we...

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