AERMEC FCW 212V Manuel D'utilisation Et D'installation page 28

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MAINTENANCE
ORDINARy MAINTENANCE
The ordinary maintenance can be carried out by the user
and consists of a series of simple operations, which will
ensure that the fan coil unit operates at full efficiency.
Operations:
- External cleaning, to be done with a damp cloth (soaked
in water no hotter than 40 °C) and a neutral detergent avoid
using any other type of detergent or solvent.
Do not splash water on interior or exterior surfaces of the fan
coil unit (it could cause short circuits).
- Fi l t e r c l e a n i n g , e ve r y t wo w e e k s o r w e e k l y
i f
i n s t a l l e d
i n
v e r y
Clean the filter with a vacuum cleaner and possibly with
water and a neutral detergent; avoid using any other type of
detergent or solvents.
- Visual inspection of the state of the fan coil unit for every
maintenance operation; any fault must be communicated to
the After-Sales Service.
TROUBLESHOOTING
pROBLEM
Insufficient air flow at outlet
Unit does not heat
Unit does not cool
Fan not operating
Condensation forming on
the external case of the
unit
for any problems not listed, contact the After-Sales Service immediately.
28
IFCW3LJ 1210 - 5375700_01
d u s t y
e n v i r o n m e n t s .
pROBABLE CAUSE
Incorrect speed setting on control panel
Blocked filter
Obstructed air flow (inlet and/or outlet)
No hot water
Incorrect control panel setting
T water > 90°C
No cold water
Incorrect control panel setting
No electrical power
Water has not reached operating temperature.
Temperature and humidity limits specified by
"MINIMUM AVERAGE WATER TEMPERATURE" have
been reached
SpECIAL MAINTENANCE
Special maintenance can only be performed by Aermec
After-Sales Services or by people with the technical
and professional expertise qualifying them to undertake
installation, modification, expansion and maintenance of
the systems and are able to check them in terms of safety
and functionality. In particular with regard to electrical
connections the following tests are required relative to:
- Measurement of the electrical system insulation resistance.
- Continuity test of the protective wiring.
The special maintenance consists of a series of complex
operations that involve dismantling of the fan coil unit or its
components to ensure the maximum fan coil unit efficiency
is restored.
Operations:
- Internal cleaning, annually or after long periods of
inactivity; in environments where a high degree of air
cleaning is required, cleaning can be more frequent. This
consists of: cleaning of the coil, fan blades, drain pan and
all the parts in contact with the treated air.
- Repairs and setting up; when faults arise look at the
"TROUBLESHOOTING" chapter in this manual before
calling the After-Sales Service.
SOLUTION
Select the correct speed on the control
panel
Clean the filter
Remove the obstacle
Check the boiler
Check the heat pump
Set the control panel correctly
Reduce the water temperature, then
remove and reapply electrical power
Check the chiller
Set the control panel correctly
Check that there is electrical power
Check the boiler or the chiller and/or
check the set point
Raise the water temperature to above
the limits specified by "MINIMUM
AVERAGE WATER TEMPERATURE"

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