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8.3.1 Description of the temperature chart recorder
The appliance may be fitted (present if ordered is some series), with the tempera-
ture chart recorder, recording on paper charts the appliance internal temperature.
The temperature recorder is available in different temperature ranges according
to the model on which it is installed:
- Range : -10°C / +40°C
- Range : -35°C / +15°C
- Range : -100°C / +50°C
The survey of the chamber temperature is done with a sensor independent from
the control panel sensor, whiles the recording, weekly operation, is on paper
charts with an ink-tip. The temperature recording is granted even during power
failure periods thanks to the battery powering of the recording device. The battery
is 1,5V, AA type. A perspex cover allows checking the diagrams but at the same
time it protects them against tampering of unauthorized personnel thanks to the
key locks safety.
8.3.1.1 Paper chart replacement
- Open the perspex cover
- Unscrew the fixing nut
- Lift gently the metal arm on which is fitted the ink-tip
- Remove the installed paper chart, paying attention at the 2 metal edges surrounding
the chart that keep it in position
- Insert the new paper chart, paying attention to insert it into the central hinge and into
the 2 metal edges surrounding the chart
- Lower gently the metal arm on which is fitted the ink-tip in order to return it in the
original position
- Drive the paper chart in order to position the ink-tip writing point in the exact point
from which it has to start to record the temperature, paying attention to do not write
on the diagram. In order to choose the exact recording start point, refer to the days
and times printed on the chart itself
- Screw the fixing nut
- Close the perspex cover
8.3.1.2 Ink-tip replacement
- Open the perspex cover
- Lift gently the metal arm on which is fitted the ink-tip
- Remove, pulling, the ink-tip from the metal arm
- Insert the new ink-tip on the metal arm paying attention to the guideways on the ink-tip
itself. Push until reach the limit-stop
- Lower gently the metal arm on which is fitted the ink-tip in order to return it in the original position
- Close the perspex cover
8.3.1.3 Battery replacement
- Open the perspex cover
- Unscrew the fixing nut
- Lift gently the metal arm on which is fitted the ink-tip
- Remove the installed paper chart, paying attention at the 2 metal edges surrounding
the chart that keep it in position
- Pull the central hinge on which was screwed the nut, and at the same time moving
slightly up and down to make easier the extraction of the clockwise mechanism
- Replace the battery in the rear side of the clockwise mechanism paying attention to
the battery polarity
- Insert the clockwise mechanism in the hole left on the chart recorder, simply making
pressure on the mechanism
- Insert the paper chart, paying attention to insert it into the central hinge and into the
2 metal edges surrounding the chart
- Lower gently the metal arm on which is fitted the ink-tip in order to return it in the
original position
- Drive the paper chart in order to position the ink-tip writing point in the exact point
from which it has to start to record the temperature, paying attention to do not write on
the diagram. In order to choose the exact recording start point, refer to the days and
times printed on the chart itself
- Screw the fixing nut
- Close the perspex cover
8.3 OPERATION OF THE TEMPERATURE CHART RECORDER
13
VERS. 0816
1 x 24h
7 x 24h
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