Soler & Palau ADVANZ Instrucciones De Uso página 33

Pre-heating operation
In addition to post-heating, the CTR-ADVANZ control is capable to operate a pre-heating system (through a
PWM-controlled electric resistance) that is automatically triggered when the temperature taken by the
exhaust probe (Tx) drops below 1° C and is then goes off when the temperature returns above 3° C. These
are factory set values. The screen shows the pre-heating state:
Pre-heating OFF Pre-heating ON
Alarms
In case of alarms, a flashing icon and writing are displayed; and the alarm will be also indicated by a
flashing red led. The writing may indicate Dirty filters or suggest to Call service in case of more serious
problems.
In case of problems when reading a temperature probe, the corresponding value will be not displayed on
the screen. The said operation will be inhibited only in case of problems with the exhaust air temperature
probe (Tx).
System state display
The synoptic window also shows the heat-recovery VMC unit configuration and operating state. In addition
to the features described in above paragraphs, please note: