IMPORTANT Before using the freezer For safety reasons, the instructions should be read before the freezer is commissioned. The operating instructions should always be available to the personnel! Only use the freezer for its specific purpose. Safeguarding the environment Packing The packing material is entirely recyclable and marked with recycling symbol.
Data regarding voltage and absorbed power / current are given on the rating plate placed on the rear side of the freezer. SUF 100: 120V / 60Hz / 5,0 Amp. SUF 500: 120V / 60Hz / 6,3 Amp. Electrical connection must be made in accordance with the local regulations.
Warning: Regulations require that this appliance must be earthed The manufacturer declines all liability for injury to persons or animals and for damage to property resulting from failure to observe the above procedures and reminders. If the socket and plug are not of the same type, please have the plug or socket replaced by a qualified electrician.
CONTROL PANEL (Dixell XR30CX Controller) SET: To display target set point; in programming mode it selects a parameter or confirm an operation. (DEF): To start a manual defrost Figure 1 (UP): To see the max. stored temperature; in programming mode it browses the parameter codes or increases the displayed value. (DOWN): To see the min stored temperature;...
HOW TO RESET THE MAX AND MIN TEMPERATURE RECORDED 1. Hold press the SET key for more than 3s, while the max. or min temperature is displayed. (rSt message will be displayed) 2. To confirm the operation the “rSt” message starts blinking and the normal temperature will be displayed. MAIN FUNCTIONS HOW TO SEE THE SETPOINT 1.
3. Select the required parameter. 4. Press the “SET” key to display its value. 5. Use to change its value. 6. Press “SET” to store the new value and move to the following parameter. To exit: Press SET + wait 15s without pressing a key. NOTE1: if none parameter is present in Pr1, after 3s the “noP”...
PARAMETERS REGULATION Differential: (0,1 ÷ 25,5°C / 1÷255 °F) Intervention differential for set point. Compressor Cut IN is Set Point + differential (Hy). Compressor Cut OUT is when the temperature reaches the set point. Minimum set point: (-100°C ÷ SET; [-148F ÷ SET): Sets the minimum value for the set point. Maximum set point: (SET÷150°C/ SET÷302°F).
ALARMS ALC Temperature alarms configuration: (Ab; rE) Ab= absolute temperature: alarm temperature is given by the ALL or ALU values. rE = temperature alarms are referred to the set point. Temperature alarm is enabled when the temperature exceeds the “SET+ALU” or “SET-ALL” values. ALU MAXIMUM temperature alarm: (SET÷150°C;...
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nPS Pressure switch number: (0 ÷15) Number of activation of the pressure switch, during the “did” interval, before signalling the alarm event (I2F= PAL). If the nPS activation in the did time is reached, switch off and on the instrument to restart normal regulation.
START DEFROST (i1F = dFr) It starts a defrost if there are the right conditions. After the defrost is finished, the normal regulation will restart only if the digital input is disabled otherwise the instrument will wait until the “MdF” safety time is expired.
CONNECTIONS XR30CX: 20A COMPRESSOR 12Vac/dc supply: connect to the terminals 7 and 8. 24Vac/dc supply: connect to the terminals 7 and 8. 120Vac supply: connect to the terminals 7 and 8.
Service with Ep88 for - 83°C degree boxes: Note that the EP-88 gas can only be filled from a bottle containing a measured amount. Normal procedures used in conjunction with other refrigerants cannot be used. Furthermore note that the freezing capability is very dependent upon filling the entire contents of the bottle into the system.
Description of changing the lid gasket Tools and materials needed for the change Screwdriver (if possible electric), knife (keen), screws with flat head and a new gasket. The old gasket is cut off as close to the lid as possible. The new gasket is placed on the table with the underneath of the gasket up.
Cleaning and maintenance of the freezer Ice will form on the sub lids in the freezer. This ice should be removed with a scraper at regular intervals. (Remember safety gloves). Ice on the inside of the box should be removed as required, as it reduces the cooling capacity! Take the contents out of the freezer.
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