AERTESI srl SOFFIO INSTALLATION USE AND MANTEINANCE MANUAL
Page 13 AER.MIU.GB.SOFFIO.000.02.15
After replacing the fan, install all the components performing the same operations in reverse order.
9- TROUBLESHOOTING
The thermostat is damaged
Check if there is power to the terminals of the fan (and /
or 0-10V signal for EC)
The cables are not
connected
Verify all electrical connections within the wiring
diagram suppled
Replace capacitor (AC motor)
Clean or replace the filter
Clean the battery with lens cleaner
Select a higher speed (max or med)
Visually check that the fan is undamaged
SOSTITUTION REQUIRED
Check that the fan is firmly secured to the machine
frame
Select a lower speed (min or med)
In summer or
winter hot air
comes out cold air
Check if temperature of inlet water is less than 10 ° C
in summer or more 40 ° C in winter.
Check if the dT between water input and output is at
most 7K
Check that all manual valves are open to interception
Check that the actuator has opened the valve
Purge the coil with the air valve
Condensation on
discharge grille
Raise the water inlet temperature
Increase the fan speed (med or max)
Control the outflow of the exhaust pipe
Make sure the pan is level or tilted slightly towards the
drain
Water pipes are not
insulated
Insulate all pipes chilled water
Check seals of hose connections
Clean the pan to allow the normal flow of condensate
10- DISPOSAL
At the end of the service, the unit must be disposed of in compliance with local regulations on waste
disposal. The main materials present are: copper, aluminum, steel, polystyrene, plastic.
To Next Page
Loading...