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33. INSPECTION, MAINTENANCE AND CLEANING
33.1. REPLACEMENT OF THE BATTERY FROM THE CORRIGO PROGRAMMABLE LOGIC CONTROLLER
When the “battery low” alarm appears, it means that the backup battery to save the memory and the real time clock is
too low. The procedure to change the battery is described below. A capacitor allows backing up the memory and running
the clock for approximately 10 minutes after the power is switched off. If the battery can be changed in less than 10
minutes, the program does not have to be reloaded and the clock will continue to run normally.
The spare battery is type Cr2032.
• Using a small screwdriver, pry up the clips on each side of the controller case to release the cover from the base.
• Hold the base and remove the cover.
• Grasp the battery and pull up gently until the battery exits from its holder.
• Replace the battery with a new. Warning: be sure to respect the polarity when inserting the battery.
33.2. REPLACEMENT OF FILTERS
The SLIM control incorporates a function of supervision of the filters clogging. When the filter replacement is required,
the display shows an alarm message. The exact ubication of the filters is shown in the image below. Within each filter
there is a label that indicates the type of filter and its characteristics. Find the procedure of how to replace the filters in
section "10. FILTER REPLACEMENT".
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33.3. HEAT EXCHANGER
To perform the heat exchangers cleaning it is necessary to remove it from the unit. The disassembly can be easily done
from the sliding doors:
1. Open the two central sliding doors:
2. Turn the condensate tray over itself
3. Push from the handgrips to dissasembly the heat exchangers
Содержание SLIM Series
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