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Supply ............... Mains voltage and mains frequency
R ........................ Current resistance of the heating coil
Log .................... Log number, a serial number increasing over the whole service life of the
device
The device performs two safety checks at this point:
Correct Fitting Connection (CFC)
The device checks whether a fitting is attached and compares these data with the previously
scanned in data. If the deviation between both values is less than the tolerance referred to in the
code, the welding process begins. If the deviation lies outside the permissible tolerance then the
device will report an error and provides information about where the error could lie (see "Error
patterns" Chapter 8).
Heat Control Function (HC).
The device calculates (based on welding parameters, the current device temperature and the
ambient temperature) whether this welding sequence can be performed completely. It is above
all at high outside temperatures or with large fittings that there could otherwise be overheating of
the device and therefore emergency switching off during the ongoing welding process. The
green >START< button lights up if the welding sequence can be performed completely. The
welding process can be started by pressing this button. If the current device temperature is too
high, the red >STOP< button lights up. A notice will appear in the display concerning how long
the device must cool down for before one can start welding again (the time displayed here is an
approximate time). If the green >START< button lights up then pressing this button will start the
welding process.
All relevant data are displayed on the screen during the welding process. The welding process is
monitored during the whole welding time according to the welding parameters prescribed by the
scan fitting code. The welding process can be broken off at any time by pressing the >STOP<
button. The welding device automatically regulates the welding time according to the ambient
temperature. Therefore the welding times for identical fittings can vary. The welding time is also
displayed for simplified presentation as a status column. The result is shown in the display after
ending the welding cycle. The cooling time should be observed according the fitting manufactur-
er's instructions. If the barcode for the fitting contains information about the cooling time, this is
displayed after ending the welding process. The cooling time is also displayed for simplified
presentation as a status column. The cooling time can be ended at any time by pressing the
>STOP< button. Breaking off of the cooling process will be noted in the log. Also separation of
the fittings from the connections leads to breaking off of the cooling time.
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