Puhui T-937S - Page 5

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T-937S lead-free reflow oven user manual
2) Press”Select Curve ”,enter into the curves interface,where users can choose suitable curve from them.
（Any curves built-in cannot be edited）
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This machine is equipped with 8 preset curves:
Curve 1,available for： Sn99Ag0.3Cu0.7/SAG305；
Curve 2,available for： Sn/Ag3.5； Sn/Cu.75 Sn/Ag4.0/Cu.5；
Curve 3,available for： 85Sn/15Pb 70Sn/30Pb；
Curve 4,available for： 63Sn/37Pb 60Sn/40Pb；
Curve 5,available for： Sn/Ag3/Cu.5 ；
Curve 6,available for： Standard curing of red glue,Heraeus PD955M ；
Curve 7,available for： PCB repair work etc.；
Curve 8,available for：Sn/Ag3.5 Sn/Ag3.0/Cu.8 Sn/Sb.5； Sn/Bi3.0/Ag3.0 .
3) Choose suitable curve ,enter into the soldering interface.
Press “start”,the reflow oven begins to work.When the "True Temp" is between 45℃ and 60℃, the value
of the”Run Time” starts to change and the heating curve begins to draw . When the "Preset Temp" is
higher than the "True Temp", the indicator light color is green, the infrared tubes heating, the fan stops;
When the "Preset Temp" is lower than the "True Temp", the indicator color will be red, the infrared tubes
stop heating and the fan starts.