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1. Description
The WELLER WRS 3000 control unit is suitable for simultaneous operation of 3 soldering
tools. For this purpose, 3 channels are available. No special setting operations are required,
because the microprocessor automatically detects the connected tool and activates the
corresponding control parameters.
Temperature is controlled digitally, and the desired process parameters can be entered by
means of four keys. A further key switch enables the input functions to be locked. Entered
parameters are retained even after the unit is switched off.
Various time functions, such as temperature reduction to 300°F on the soldering/de-soldering
bit, or time limitation for the de-ionised hot air flow, can be set straightforwardly.
Units are equipped with an integral high-performance pump. This is started by a microswitch
which is incorporated in the handle, or an optional footswitch. The supply unit is equipped
with a pointer pressure gauge for the purpose of vacuum display. This also indicates the
degree of dirtying of the filter cartridge.
The metal casing is treated with anti-static paint, and fulfils the EGB safety requirements.
The station is grounded as a part of standard equipment.
Technical Data
Dimensions:
9,5" x 10,5" x 4,1" (L x D x H)
Mains voltage:
120V / 60 Hz
Power draw:
310W
Safety category:
1 & 3, casing treated with anti-static paint
Fuse:
3,0 A overcurrent trip
Control tolerance:
Soldering and desoldering tool ± 18°F
Hot-air pencil ±55°F
Temperature control:
Soldering and desoldering bit: continuous range between
150°F - 850°F
Hot-air pencil: continuous range between 150°F - 1000°F
Pump
duty cycle (30/30) sec:
Maximum vacuum 10 psi
Maximum supply rate 20 litres/minute
Maximum hot air supply rate 10 litres/minute
WRS3000
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2. Commissioning
GB
All soldering tools must be stored in the specially designed safety tray. Connect the
corresponding connecting wires to the control unit:
- Air hose of hot gas pencil to `Air' nipple [8]
- Vacuum hose of de-soldering bit to `Vac' nipple [9]
- Insert the electrical connection wires of the soldering tools into 7-pin connecting sockets
[5] and lock.
Warning: To avoid injury, the vacuum hose of the desoldering bit should never
be connected to the 'Air Nipple'.
Check whether the mains voltage is consistent with the information on the type label. If the
control unit's mains voltage is correct, connect it to the mains. Switch the unit on by means
of the mains switch [1]. When the unit is switched on, the microprocessor performs a self-
test during which all segments are briefly in operation. Next, the electronic display
automatically switches to the standard temperature setting of 662°F for all channels and
50% for the `Air' setting. For channels which are being used, the green LED lights up.
Continuous LED light-up indicates that the system is heating up. When the LED flashes on
and off, this indicates that the pre-selected temperature has been attained.
Channel selection
The digital display can be set to the desired channels (1, 2 or 3) by operation of the `1-2-3'
key and to the `AIR' function. The displayed channel is marked by a red LED above the
connector.
Switching channels on or off
In the standard position, all channels are switched on and set to 662°F. The `Air' function is
set to 50%.
If a channel is not required, it can be switched off by simultaneously pressing the `UP' and
`DOWN' keys. An `OFF' sign appears upon selection of the channel switched off. To activate
a channel, the `1-2-3' key is used to select the desired channel, followed by pressing the
`UP' and `DOWN' keys simultaneously. Switching a channel off does not cause the stored
data to be lost.
21.03.2003, 8:40 Uhr
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