Standby Mode - Airwell PAC BTE UI 4 Manuel D'utilisation

8 - MAINTENANCE
8.2 - GENERAL
Maintenance must be done by authorized centres or by
qualified personnel.
The maintenance allows to:
maintain the unit efficiency
increase the life span of the equipment
assemble information and data to understand the state of
the unit efficiency and avoid possible damages
Before checking, please verify the following:
the electrical power supply line should be isolated at the
beginning
the unit isolator is open, locked and equipped with the
suitable warning
make sure no tension is present
After turning off the power, wait at least 5 minutes before
accessing to the electrical panel or any other electrical
component.
Before accessing check with a multimeter that there are no
residual stresses.
8.3 - INSPECTIONS FREQUENCY
Perform an inspection every 6 months minimum.
The frequency, however, depends on the use.
In the event of frequent use it is recommended to plan
inspections at shorter intervals:
frequent use (continuous or very intermittent use, near the
operating limits, etc)
critical use (service necessary)
8.4 - UNIT BOOKLET
It's advisable to create a unit booklet to take notes of the unit
interventions.
In this way it will be easier to adequately note the various
interventions and aid any troubleshooting.
Report on the booklet:
date
type of intervention effected
intervention description
carried out measures etc.

8.5 - STANDBY MODE

If a long period of inactivity is foreseen:
turn off the power
avoid the risk of frost (empty the system or add glycol)
Turn off the power to avoid electrical risks or damages by
lightning strikes.
With lower temperatures keep heaters turned on in of the
electrical panel (option).
It's recommended that the re-start after the stopping period is
performed by a qualified technician, especially after seasonal
stops or seasonal
switching.
When restarting, refer to what is indicated in the "start-up"
section.
Schedule technical assistance in advance to avoid hitches
and to guarantee that the system can be used when required.
8.6 - EXTERNAL UNIT FAN
Check:
- ensure that the fan and the relative protection grids are
well fixed
- The fan bearings (evident by noise and anomalous
vibrations )
- the terminal protection covers are closed and the cable
holders are properly positioned
Access to the fan
Remove the screws (A)
Push the grill to the left until it stops.
Then pull its right edge, the grill can now be removed.
You can also reverse the procedure.
Exercise caution to avoid a possible hand injury.
8.7 - OUTDOOR UNIT AIR COIL
Accidental contact with the exchanger flaps can cause injuries
from cut: use protective gloves.
The coil must allow maximum thermal exchange, therefore,
the surface must be clear from dirt and scaling.
Clean the air inlet side.
Use a soft brush or aspirator or pressurised air jet or high-
pressure water jet machine.
Keep the direction parallel to the flow of the flaps to avoid
damages.
Check the aluminium flaps have not been damaged or folded,
on the contrary contact an authorised after-sales assistance
centre to "comb" the coil for excellent air flow.
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