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10 - MAINTENANCE
Models 40ZS/ZF 90 to 360
Panels for extracting the
fi
lters (side or bottom)
Air fi lters
- Clean regularly. Depending on the installation conditions,
the fi lter aspect must be examined to defi ne the cleaning
periodicity.
- Gravimetric fi lters. Cleaning the fi ltering mesh can be done
with a household vacuum cleaner, or else by submerging it
in water.
- Creased opacimetric fi lters It is necessary to replace them.
Foresee replacement.
Servomotor (opcional)
In indoor with motorized mixing boxes,it is advisable to check
the condition of the servomotors.
Note:
The available assemblies can be consulted in chapter 3
“Available assemblies”.
Refrigerant leak detector (optional)
Maintenance:
- Annual testing: it is necessary
to carry out testing every year to
comply with the EN378 and F-GAS
regulations.
- Every 3 years: a taring test is recommended.
- Every 5/6 years: it is recommended that the gas detection
element be replaced and calibration performed.
Note:
Check the documentation attached to the leak detector
for taring and calibration testing.
The minimal maintenance operations and their periodicity
will be made in accordance with national regulations.
All work on the unit’s electrical or refrigerant systems must
be carried out by a qualifi ed authorised technician. See the
standard EN 378-4.
Technicians who intervene with the unit must use the necessary
safety equipment (gloves, goggles, insulating clothing, safety
shoes, etc.). Furthermore, if working around sources of signifi cant
noise, we recommend the use of noise-dampening headgear.
Caution: Before intervening in the unit, cut off
main power.
10.1 General recommendations
- Do not lean on the unit. A platform must be used to work on
a level.
- Do not lean on the copper refrigerant tubes.
- Keep the unit clean.
- Keep the space surrounding the unit clean and cleared in
order to avoid accidents and ensure the proper ventilation of
the coil.
- Perform a visual (remains of water or oil below or around the
unit) and auditory inspection of the entire installation.
- In general, a corrosion control must be performed on the
metallic parts of the unit (frame, bodywork, exchangers,
electric panel, etc.).
- Check that the insulation foam is not unstuck or torn.
- All the electric connection states must be checked as well, as
well as the air tightness of the diff erent circuits.
10.2 Access to the main components
Next, some recommendations are stated to perform the cleaning
of the unit’s components:
Condensate drain pan
- Check that the condensate pan is clean. There should be no
stagnant water.
- Check that the drain is not clogged.
- Cleaning of the pan can be done with water and non-abrasive
detergent.
Note: in the section “Condensate drain connection” are images
with the position of the drain.
Centrifugal fan
- Verify that the turbine and the motor remain clean.
- Foresee having a spare belt set for the fans.
- The motors and the fans have bearings that have been
lubricated and sealed and, thus, do not need further lubrication
(except in the case of fans with a reinforced shaft).
Models 40ZS/ZF 420 to 600
Gravimetric
fi
lters
Opacimetric
fi
lters
Tab for
displacement
of gravimetric
fi
lters
Tab for
displacement
of opacimetric
fi
lters