emmeti ETI 2100, Инструкция по установке и эксплуатации, Страница: 21 / 35

20 20
I
21
Effect
Ventilation activation is delayed with
respect to the new temperature or operating
settings.
The appliance does not activate ventilation.
Ventilation does not activate even if hot or
cold water is present in the hydraulic circuit.
The appliance leaks water in heating mode.
Dew forms on the front panel.
There are a few drops of water on the air
outlet grid.
The appliance leaks water only in cooling
mode.
The appliance emits excessive noise.
Cause
The circuit valve requires a certain amount
of time for it to open and therefore for
the hot or cold water in the appliance to
circulate.
No hot or cold water in the system.
The hydraulic valve remains closed
The ventilation motor is blocked or
burned.
The microswitch that stops the
ventilation when the filter grid
is opened, does not close properly.
The electrical connections are incorrect.
Leaks in the hydraulic connection
of the system.
Leaks in the valve assembly.
Disconnected thermal insulators.
Condensation may occur in situations
of high environmental relative humidity
(>60%), especially at minimum ventilation
speeds.
The condensate pan is clogged.
The condensate drain does not have the
necessary gradient for correct drainage.
The connection pipes and the valve
assembly are not insulated properly.
The fan touches the structure.
The fan is unbalanced.
Check that the filters are dirty and if
necessary, clean them
Solution
Wait 2 or 3 minutes for the
circuit valve to open.
Check that the water boiler or chiller
is running.
Remove the valve body and check whether
the water circulation is restored.
Check the operating state of the valve
by feeding it separately at 220 V. If it is
activated, the problem may be in the
electronic control.
Check the motor windings and
the free rotation of the fan.
Check that the contact of the
microswitch is activated when the grid
closes.
Check the electrical connections.
Check the leak and tighten the connections
securely.
Check the condition of the gaskets.
Check the correct positioning of the
thermo-acoustic insulators with particular
attention to the front one above the finned
coil.
As the relative humidity tends to drop, the
phenomenon disappears. In any case, any
drops of water falling inside the appliance
do not indicate a malfunction.
Slowly pour a bottle of water into the lower
part of the coil to check the drainage; if
necessary, clean the pan and/or improve
the gradient of the drain pipe.
Check the insulation of the pipes.
Check that the filters are dirty and if
necessary, clean them
The unbalance determines excessive
vibrations of the machine: replace the fan.
Clean the filters
TABLE OF ANOMALIES AND SOLUTIONS
Works must be carried out by a skilled installer or a specialised service centre.
ANOMALIES AND
SOLUTIONS
In the event of water leaks
or abnormal operation,
disconnect the power supply
immediately and close the
water taps.
If one of the following
anomalies is noted, contact
an authorised service centre
or professionally skilled
personnel and do not
intervene personally.
- Ventilation does not activate
even if hot or cold water is
present in the hydraulic circuit.
- The appliance leaks water in
heating mode.
- The appliance leaks water
only in cooling mode.
- The appliance emits
excessive noise.
- Dew forms on the front
panel.