CIAT Melody 2, Installation Manual

Page: 28 / 84

GB - 28 MELODY 2
Maintenance
Cleaning and maintenance operations must be carried
out by specially trained personnel.
Before performing any service or maintenance
operations, turn OFF the main power switch.
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To open the unit grille: turn the two screws through 90°
(1/4 turn).
Filter cleaning by the installer
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conditions (approximately every 6 months).
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The acrylic air filter is washable in water.
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Prolonged shutdown:
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Before starting the air conditioner:
- clean or replace the unit air filters.
- check and clean the drain pan and the condensate
discharge of the unit.
- check tightness of electric connections.
Additional maintenance
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The electric panel is easily accessible
The inspection or replacement of internal components
such as: fan motor, coil, condensate discharge pump,
float switch, electric heater (if fitted), involve the
removal of the condensate drain pan.
Condensate drain pan removal
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During the removal operation of the condensate drain
pan protect the floor with a plastic sheet under the uni
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Remove the frame-grille assembly by loosening the
screws.
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Remove the four fixing brackets on the side of the
drain pan and carefully remove the condensate drain
pan.
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If the system needs to be emptied,
remember that a water head always remains into the coil
and it may freeze in case temperature goes below 0° thus
causing the heat exchanger failure. The heat exchanger
can be totally emptied by opening the valves and
blowing in air in each valve for 90 seconds at a minimum
pressure of 6 bar.
Guide for the owner
When installation and tests are completed instruct
the Owner on the main operating modes of the air
conditioner, such as:
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Turning the unit ON and OFF.
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Changing the operation modes.
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Temperature selection.
Leave the installation manual with the owner for future
use during maintenance operations or for any other
needs.
Maintenance and owner's guide