ICMA S303 - Page 23

DIGITAL CONTROL UNIT FOR THERMAL
SOLAR SYSTEMS - Art. S303
DIGITAL CONTROL UNIT FOR THERMAL
SOLAR SYSTEMS - Art. S303
ICMA S.p.a. - Heating Technologies - www.icmaspa.it FIS303ENCL - 01/2022
Icma SpA - Via Garavaglia, 4 - 20012 Cuggiono (MI) ITALY Tel: +39 02 97249134 - +39 02 97249135
www.icmaspa.it - sales@icmaspa.it
23
21
TDST24M100SE 035912 111220
Displaying the Maximum Temperatures recorded
Parameter ‘ TMAX U1 ’ allows to display the maximum
temperature recorded in the system for each probe TM-.
PRESS THE ‘  ‘ KEY
TO VIEW THE TEMPERATURE.

USING THE ‘  ‘ OR ‘  ‘ ARROWS IT IS POSSIBLE
TO SCROLL CYCLICALLY THROUGH THE RECORDED
TEMPERATURES:
TM1  TM2  TM3

PRESS THE ‘  ‘ KEY. THE DISPLAY SHOWS FLASHING
THE NUMBER OF THE PROBE.
PRESSING THE ‘ esc ’ KEY RETURNS TO SHOWING
THE USER PARAMETERS.

PRESSING ‘  ‘ RESETS THE TEMPERATURE
RECORDED TO THAT POINT;
PRESSING ‘ esc ’ RETURNS TO SHOWING THE
MEMORIZED TEMPERATURE.

PRESS THE ‘ esc ’ KEY TO QUIT THE MAXIMUM
TEMPERATURE DISPLAY MODE.
USING THE ‘  ‘ OR ‘  ‘ ARROWS IT IS POSSIBLE TO
ENABLE OR DISABLE THE ANTIFROST:
0: DISABLED
1: ENABLED (THE DISPLAY SHOWS )

PRESS THE ‘  ‘ KEY TO CONFIRM THE
PROGRAMMING OR PRESS THE ‘ esc ’ KEY TO QUIT
USER PARAMETERS.
Antifrost Activation
The ‘ AFR U2 ’ parameter (anti-frost) enables or disables the
antifrost function. The management of the antifrost data is
performed through the user parameters.

PRESS THE ‘  ‘ KEY;
THE DISPLAY SHOWS ‘AFR’ FLASHING.