PRECISIONAIR WS PRODUCT INFORMATION MANUAL
15
MAINTENANCE
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SPARE PARTS
PREVENTATIVE MAINTENANCE
Preventive maintenance must be completed in
order to:
• Continue operation in specified range
• Avoid malfunctions
• Avoid inefficient operation
• Maximize the unit’s lifetime
The factory warranty is only valid if documented
preventive maintenance has been carried out,
with a time interval of:
• Maximum 6 months when unit is located in
normal air quality environment.
• Maximum 2 months when unit is located in
bad air quality environment.
A written log at site is adequate documentation
for preventive maintenance.
CAUTION
• Switch off power supply before working on
the unit
• Make sure that all work has been performed
correctly before switching power back on
The unit must be cleaned according to the
recommended preventive maintenance plan.
Tools required:
• Vacuum cleaner or compressed air
• Soft brush
• TORX 20 and 25 Security Driver
• AC cleaning agent as needed
PHASE
DESCRIPTION
1
Check and clean the outside air inlet grill if needed.
2
Open the units outer cover by removing the two screws in the lower edge of the cover.
3
Vacuum the condenser coil and the visible part of the fan.
4
Vacuum the evaporator coil from the inside of the enclosure.
5
If any of the coils are still dirty, apply AC cleaning agent on coil fins, and after 5 minutes gently rinse
off with water, WITHOUT spraying water on any electrical parts.
6
Perform final inspection according to the list in the next section.
