Operating Temperature - Velleman VTDESOL4 Notice D'emploi

This desoldering station is designed to meet the present and future needs of the electronic production industry and is
ideally suited for use with any AC outlet. Engineered to meet the stringent demands of hobbyists, maintenance
personnel and production people alike, the VTDESOL4 sets a new quality standard for desoldering equipment.

4. Operating Temperature

SOLDERING
The most common solder alloys used in the electronics industry consist of 60% tin and 40% lead. The operating
temperature of this type of solder is detailed below and can vary from manufacturer to manufacturer.
Melting point
Normal operation
Production line operation
A good joint is assured if the iron's operating temperature is set within the parameters suitable for the type of solder
being used. The solder will flow too slowly if the temperature is too low ; if the temperature is too high, the flux in the
solder may burn which will give rise to billowing white smoke. In turn, this will result in a dry joint or in permanent
damage to the PCB.
DESOLDERING
Recommended tip temperatures are detailed below. They can vary from joint to joint.
For a small joint : 350-380°C
For a larger joint : 380-410°C
If the temperature is too low, the solder will flow too slowly and this may cause the tip to clog ; you may burn the PCB
if the temperature is too high.
5. Operating Instructions
Verify whether the operating voltage of the unit is identical to that of the electrical supply. Make sure the device was
not damaged in transit.
OPERATING PROCEDURE FOR DESOLDERING ACTIVITIES
(a) Plug in the desoldering iron and connect the vacuum tube to the DIA-connections on the front panel.
(b) Connect the AC power cord to the mains inlet.
(c) Place the temperature control knob in the "MIN"-position.
(d) Place the power switch in the "ON"-position. The pilot lamp will light up.
(e) Set the temperature control knob to 250°C (482°F). Tin the surface of the nozzle of the desoldering tip by
applying a new protective layer of solder.
(f) Set the temperature control knob to the desired temperature 3 minutes after the station has reached a
temperature of 250°C (482°F). The unit is ready for use when it reaches the preset temperature : the pilot light
will extinguish at this time.
NOTE : The energy-saving feature will automatically engage if the desoldering station remains inactive for more
than 15 minutes (indicated by the green "PAUSE" indicator light). The temperature will be reduced by 1/3, which
prolongs the life of the tip. Activate the red button on the handle in order to disengage the power-saving feature.
The temperature will now be increased until the preset temperature is reached.
VTDESOL4
: 220°C or
: 200-360°C or
: 360-410°C or
or 662-716°F
or 716-770°F
428°F
572-680°F
680-770°F
- 4 - VELLEMAN