Problems During Operation; Technical Asistance - S&P CADT-D HE Manual De Instalación. Instrucciones De Uso

9. PROBLEMS DURING OPERATION

ANOMALY
Difficult start up.
Insufficient airflow.
Insufficient pressure.
Drop in performance after
an acceptable period of
operation.
New air temperature too
cold.
Exchanger performance
insufficient.
Formation of frost in the
exchanger.
Air surge.

10. TECHNICAL ASISTANCE

For any queries regarding S&P products please contact any branch of our After Sales Service
network if you are in Spain, or your regular dealer in the rest of the world.
To find your nearest dealer, visit our website at www.solerpalau.com
CAUSE
Reduced power supply voltage.
Insufficient static engine torque.
Tubes blocked and/or aspiration
points closed.
Fan obstructed.
Filter overloaded.
Insufficient rotation speed.
Obstructed exchanger packet.
Leakage in the circuit before and/
or after the fan.
Bearing damaged.
Outside air less than -5°C.
Models (DI): Support resistance
thermal protectors open.
Dirty exchange fins.
Outside air less than -5°C.
Fan which works in flow
conditions almost equal to 0.
Unstable flow, obstruction or poor
connection.
15
SOLUTION
Check the data plate of the motor.
Close the air inputs in order to reach
maximum speed.
If necessary, change the motor.
Contact S&P After Sales Service.
Clean state of the aspiration tubes.
Clean state of the fan.
Clean or replace the filter.
Check the power supply tension.
Clean state of the exchanger.
Checking of the circuit and restoration
of original conditions.
Check the bearing and, when
necessary, replace using an original
spare part. Contact S&P After Sales
Service.
Insertion of pre-heating devices
(antifreeze). Contact S&P After Sales
Service.
Press the RESET button to reset all the
resistance thermal protectors.
Clean state of the exchanger.
Insertion of pre-heating devices
(antifreeze).
Contact S&P Advisory Service.
Modification of the circuit and/or
replacement of the fan.
Cleaning and/or adjustment of the
aspiration channels. Intervene in the
electronic regulator by increasing the
minimum speed (insufficient voltage).
Contact S&P Advisory Service.