SystemAir VH07, Installation And Maintenance Manual

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English
The user is responsible for ensuring that the unit is in perfect working order and that the technical
installation and minimum annual maintenance operations have been performed by a qualified
technician in accordance with the procedures described in the present manual.
Caution
The fan coil unit shall have a filter installed in the return air side. When the filter is not fitted inside
the unit, the installor shall install its own filter in the return grill or duct.
Caution
A
C
B
D
20 VH
A : Filter.
B : Filter access panel.
C : Filter access panel screws.
D : Condensate tray access panel screws.
13. MAINTENANCE
13.1. REGULAR MAINTENANCE
These units have been designed for minimum maintenance through the use of permanently lubricated
components. However, there are operational maintenance requirements that require regular attention to
ensure optimum performance.
Maintenance must be performed by appropriately experienced personnel only.
WARNING :
Isolate unit from power supply before working on unit.
13.2. GENERAL INSPECTION
Carry out a visual inspection of the complete installation in service.
Check the general cleanness of the installation, and check if the condensate evacuations is not blocked,
before the cooling season.
Check the condition of the condensate tray by pulling it out of the casing.
13.3. AIR FILTER
Changing the filter is a maintenance operation that should only be performed by qualified personnel.
To avoid clogging of air filter, it is recommended to clean it regularly.
Filter changes are required at the regular intervals. The time period between changes will depend upon the
specific operating conditions.
Some applications such as hotels where there is a lot of lints from carpeting will require more frequent filter
changes.
If light cannot be seen through the filter, when held up to sunlight or a bright light, it should be washed or
changed.
To remove the air filter, unscrew slightly the 4 fixing screws (
C
) to release from the buttonhole the filter
access panel ( B ) and make swivel the panel to reach the filter(
A
).
Watch out
, the air filter could possibly fall during opening of the access panel.