ICMA S303 - INSTALLER PARAMETERS; Entering the Password; Modifying the Password

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
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TDST24M100SE 035912 111220
Using installer parameters
Inserting the correct Password gives access to the installer
parameters change mode (‘ SET ’ icon lights). The rst
information displayed is the model of the control unit in use
and the parameter ‘ P1 ’ value.
By pressing the ‘  ‘ or ‘  ‘ keys it is possible to scroll
through the various parameters.
Pressing the ‘  ‘ key takes the user to the parameter
modifying mode selected.
To exit the installer mode press the ‘ esc ’ key or wait
20 seconds.
INSTALLER PARAMETERS
To access the installer parameters press the ‘  ‘ key.
Entering the Password
The display will show ‘PWD 0000’ with the leftmost digit
ashing thus requesting for the correct password.
In order to set the 4 password digits use the ‘  ‘ or ‘  ‘
key; by pressing the ‘  ‘ key, the current digit is conrmed
and the ashing is transferred to the following digit.
After conrming the last digit, the ‘  ‘ key will give access
to the installer parameters.
The initial password is factory set as ‘0000’.
Modifying the Password
In order to modify the stored password, rst press the ‘  ‘
key, then proceed as follows:
PRESS THE ‘ MENU ’ KEY.

THE DISPLAY SHOWS
‘ PWDH0000 ’.

Pressing the ‘ esc ’ key at any time will exit the password
management mode.
INSERT NEW PASSWORD.
THE CONTROL UNIT WILL MEMORIZE THE NEW
PASSWORD AND GIVE ACCESS TO THE INSTALLER
PARAMETERS.

ENTER THE CURRENT PASSWORD.
(same procedure described above)
THE DISPLAY SHOWS
‘ PWDN0000 ’.


THE DISPLAY SHOWS
‘ PWDC0000 ‘.

INSERT THE NEW PASSWORD.

PRESS THE ‘  ‘ KEY ON THE START PAGE.

THE DISPLAY SHOWS ‘ PWD 0000 ‘.


INSERT THE CURRENT PASSWORD.
THE DISPLAY SHOWS THE FIRST
‘ INSTALLER PARAMETER ’.

USING THE ARROWS ‘  ‘ OR ‘  ‘ IT IS POSSIBLE
TO CYCLICALLY SCROLL THROUGH THE INSTALLATION
PARAMETERS:
P1: SELECTION INSTALLATION TYPE ‘ SCH ’
P2: SETTING THERMAL DATA ‘ DATA ’
P3: ANTIFROST PARAMETERS MANAGEMENT ‘ O AF ’
P4: ACOUSTIC SIGNAL MANAGEMENT ‘ BEEP ’
P5: LOGIC RELAY SELECTION ‘ ACT ’
P6: INTEGRATION HOURS COUNTER ‘ C AH ’
P7: LIMITATION OF COLLECTOR MINIMUM TEMP. ‘ MTL ‘
P8: PWM and 0..10V OUTPUTS SETTINGS ‘ ERP ‘
P9: COLLECTOR RESET TEMPERATURE ‘ SAFE ‘
P10: VACUUM TUBES ‘ VTC ‘
P11: ANTI-LEGIONELLA ‘ LEG ‘

CONFIGURE DATA FOR EVERY SINGLE PARAMETER AS
EXPLAINED BELOW.

PRESS THE ‘  ‘ KEY TO MODIFY THE
SELECTED PARAMETER.
