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05.08.99
YAEE0012
19
☞
−
When the switch-off point is being adjusted by more than 2°C
!
display shows MAX
and actual overtemperature switch-off point with 1°C resolution for approx. 4 s.
−
The position of the potentiometer is decisive for the setting. The display is just a help for
the setting.
−
− −
−
Setting is possible only up to a upper limit of the operating temperature range + 5 °C.
"
""
"
−
When the bath temperature arises above the
overtemperature switch-off point.
1. Double signal tone sounds.
2. The display shows the indication for overtemperature
ttt
the
fault triangle is flashing
!
heating is switched off on both poles,
!
pump is switched off by the electronics.
−
Rectify the cause of the fault.
−
Wait until the bath temperature has cooled down below the
switch-off point or set the switch-off point at a higher value.
When the display shows
ttt
−
reset with the key.
☞
−
− −
−
Before the unit is run is running unattended for longer periods
overtemperature
protection
should be tested.
Therefore:
−
Turn the potentiometer slowly anticlockwise.
!
The unit
must switch off at the bath temperature.
−
Step 1 - 2 (see above) must follow.
−
Set the overtemperature switch-off point again above the
bath temperature and wait until the indication
ttt
appears
on the display, then
−
reset with the key.
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com
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