FASAR ELETTRONICA S.r.L. Strada della Marina, 9/6 60019 Senigallia (AN) Tel.: 071.6609805 Fax: 071.6611573 E-mail: [email protected] www.fasar.it FUNCTIONAL SPECIFICATIONS OF THE ELECTRONIC BOARD for LowTemperature SHOWCASE p/n FE1044 HARDWARE SPECIFICATIONS Electronic Refrigerator board • Mains power supply: 230Vac - 50 / 60Hz. • Electronic control system through microcontroller with flash technology. • Retention of the operating parameters. • 3 digit BLUE LED display for time / temperature. • Controls via 4-button keyboard (On-Standby / Enter, Down, Up, Light). • 2 analog inputs for NTC thermistor type temperature sensors, 1 digital input for door microswitch management. • up to 5 digital relay outputs: 1. compressor relay, NO contact 250Vac - 16A; 3. light relay , NO contact 250Vac - 10A; 4. defrost relay , NO and NC contacts 250Vac - 10A; 5. capacitor relay , NO contact 250Vac - 10A. • Acoustic signals via piezoelectric buzzer. • Phoenix type connections for removable screw terminals. • Terminal identification by screen printing on the printed circuit board • The board is provided with holes for fixing to the panel by means of non-metallic spacers (available on request), minimum distance of 10mm between the printed circuit board and the support base . FUNCTIONAL SPECIFICATIONS • Low Temperature (LT) conservation. • Manual or automatic defrosting . • Keypad lock function. • Access to the configuration menu of the operating parameters (password protected) by pressing 2 keys simultaneously. • Alarm signaling for chamber, evaporator or condenser probe fail, for open door, for high condensing temperature, for high pressure, for black-out. • Possibility to reset the factory data through a specific procedure. P.IVA! 0202 1 450420 - R.E.A. N° 1 554D8 ANCONA - REG.lMPRESE N° 1 5DS5 ANCONA CAPI TALE sociale: €. 62.000

FASAR ELETTRONICA S.r.L. Strada della Marina, 9/6 60019 Senigallia (AN) Tel.: 071.6609805 Fax: 071.6611573 E-mail: [email protected] www.fasar.it CZFASAR F^elettronica AZIENDA CERTIFICATA UNI EN ISO 9001: 2015 Input-output scheme : Electronic board dimensions (all dimensions are expressed in mm): P.IVAI D2D2l45D42a - R.E.A. N°1 554DS ANCONA - REE.lMPRESE 5DB5 ANCDMA

FASAR ELETTRONICA S.r.L. Strada della Marina, 9/6 60019 Senigallia (AN) Tel.: 071.6609805 Fax: 071.6611573 E-mail: [email protected] www.fasar.it PLEASE NOTE: Read the following instruction manual carefully . The working parameters currently set by default are a standard configuration , check and and eventually configure the parameters appropriately for your application. With the controller in normal operation, the display shows the cell temperature . SW4 ON / SBY / ENTER button Pressed and released it allows to switch on the display the reading of the cell probe with the temperature setpoint set...

FASAR ELETTRONICA S.r.L. Strada della Marina, 9/6 60019 Senigallia (AN) Tel.: 071.6609805 Fax: 071.6611573 E-mail: [email protected] www.fasar.it SW1 LIGHT button Pressed and released it activates / deactivates lighting. DEFROST LED Led on : defrosting in progress Flashing Led : delayed activation of defrosting or dripping in progress High frequency flashing Led : alarm recorded in memory FAN LED Led on: cell fan activated Flashing Led: delayed activation of fans COMPRESSOR LED Led on: cell compressor activated Flashing Led: delayed activation of compressor TEMPERATURE SETPOINT SETTING AND MODIFICATION...

FASAR ELETTRONICA S.r.L. Strada della Marina, 9/6 60019 Senigallia (AN) Tel.: 071.6609805 Fax: 071.6611573 E-mail: [email protected] www.fasar.it ri FASAR F»elettronica AZIENDA CERTIFICATA UNI EN ISO 9001: 2015 PARAMETERS CONFIGURATION - Press the Up and Down keys simultaneously for more than 3 seconds to enter the Parameter configuration menu. - The flashing label " Loc" is displayed. - Use the Up and Down keys to display the " PAr " label . - Press the On / Sby / Enter key to enter the parameter configuration mode (after 30 seconds the function is exited if it is not confirmed) - The access password...

FASAR ELETTRONICA S.r.L. Strada della Marina, 9/6 60019 Senigallia (AN) Tel.: 071.6609805 Fax: 071.6611573 E-mail: [email protected] www.fasar.it The evaporator fan control is parameterized and the following cases can be configured: • evaporator probe absent (J2 = 0 and J 2 = 2) and fans always on during storage, not related to the compressor (F3 = 1) ; • evaporator probe absent (J2 = 0 and J2 = 2) and evaporator fans managed in parallel with the compressor (F3 = 2) : on if the compressor is ON and off if the compressor is OFF. • evaporator probe present (J2 = 1) and evaporator fans managed in ON...

FASAR ELETTRONICA S.r.L. Strada della Marina, 9/6 60019 Senigallia (AN) Tel.: 071.6609805 Fax: 071.6611573 E-mail: [email protected] www.fasar.it FASAR elettronica AZIENDA CERTIFICATA UNI EN ISO 9001: 2015 Case B : d1 = 0 F4 = 1 - evaporator fans active during defrosting or activated according to F3 . Manual defrosting by hot gas: Case A : d1 = 1 F4 = 0 - evaporator fans not active during defrost and F5 = delay in activating fans after dripping Case B : d1 = 1 F4 = 1 - evaporator fans active during defrosting or activated according to F3 Manual defrost by ventilation: d1 = 0 and F4 = 1: it is possible...

FASAR ELETTRONICA S.r.L. Strada della Marina, 9/6 60019 Senigallia (AN) Tel.: 071.6609805 Fax: 071.6611573 E-mail: [email protected] www.fasar.it Automatic defrosting by hot gas: Case A : d1 = 1 F4 = 0 - evaporator fans not active during defrost and F5 = delay in activating fans after dripping . Case B: d1 = 1 F4 = 1 - evaporator fans active during defrosting or activated according to F3 . Automatic defrost by ventilation: d1 = 0 and F4 = 1: it is possible to carry out the defrost by ventilation without using the resistance. There is no dripping. CONDENSER FAN CONTROL The control of the condenser...

FASAR ELETTRONICA S.r.L. Strada della Marina, 9/6 60019 Senigallia (AN) Tel.: 071.6609805 Fax: 071.6611573 E-mail: [email protected] www.fasar.it ALARM MANAGEMENT HIGH TEMPERATURE ALARM If the temperature in the cell is higher than the set setpoint + the compressor hysteresis value + the value of a parameter A2 , after the time A6 has elapsed, the display shows the label " AH " alternating with the high temperature reached in the cell. An intermittent acoustic signal is also activated for the time set with A5, if parameter A4 = 1 . If A4 = 0 the buzzer will sound continuously for the duration of...