Installation and User Manual for Model UF424 and UN324
UF424 / UN324 Installation and User Manual To the owner or user: the service manual is intended to provide you and the maintenance or service technician with the information needed to install, startup, clean, maintain and repair this product. Observe any caution or warning notices. They are important and provide notice of potential hazards. Keep this manual for future reference. If additional technical information is needed, go to Scotsman’s website, www.scotsman-ice.com to download a service manual.
UF424 / UN324 Installation and User Manual Specifications This ice maker is designed to be installed indoors, in a controlled environment. Although it can operate in a wide range of air and water temperatures, it will provide the best performance if not subject to extremes. Air Temperature Limitations • Maximum: 100o F or 38o C • Minimum: 50o F or 10o C Water Temperature Limitations • Maximum: 100o F or 38o C • Minimum: 40o F or 4.4o C Water Pressure, Potable • Maximum: 80 PSI or 5.
UF424 / UN324 Installation and User Manual Cabinet Drawing Scotsman Ice Systems are designed and manufactured with the highest regard for safety and performance. They meet or exceed UL563, verified by Intertek, ETL.
UF424 / UN324 Installation and User Manual Placement The location of the equipment should be selected with care. Consideration should be given to allow adequate space for air cooled models to breathe. The ice machine is not designed for outdoor use. It must be installed indoors, in a controlled environment. The air and water temperatures must not exceed rated limits.
UF424 / UN324 Installation and User Manual Installation: Water and Drain For the Plumber 1. Connect cold potable water to the 3/8’’ male flare behind the lower back panel. A water filter is recommended. Flush the water line prior to connecting to the ice machine. A loop of copper tubing may be used between the ice machine and the water supply. This will allow the ice machine to be pulled out from its installed location without disconnecting water.
UF424 / UN324 Installation and User Manual Initial Start up Final check list: Ice machine is installed indoors with air and water temperature controlled within the limitations detailed in this manual Ice machine is level in its final position Electrical disconnect (switch or plug as required) is within sight of the installed machine Electrical circuit is dedicated to this ice maker Voltage has been confirmed within the specifications in this manual and the name plate on the ice maker Plumbing connections a
UF424 / UN324 Installation and User Manual Maintenance and Cleaning There are 4 areas of maintenance 1. Ice making system 2. Photo eye ice level control system 3. Bin 4. Air cooled condenser and filters age bin and the inner front cover. Sanitize Water System 16. Create a solution of sanitizer. Mix 4oz/118ml of NuCalgon IMS III and 2.5gal/9.5L of (900F/320C to 1100F/430C ) potable water to create a 200 ppm solution. 17. Pour the sanitizing solution into the reservoir until it is full and wait 2 minutes.
UF424 / UN324 Installation and User Manual Bin 1. Use the same cleaning mixture to thoroughly clean bin surfaces. 2. Rinse with clean water. 3. Use sanitizer mix on all bin surface areas and areas that may contact the ice. 4. Rinse with clean water. Filters and Air Cooled Condenser The air filter located on the lower front grill will capture airborne dust during operation. As the dirt builds up, it begins to restrict air flow and causes the refrigeration system to work less efficiently.
UF424 / UN324 Installation and User Manual Basic Troubleshooting Troubleshooting Symptom No ice in bin Possible Cause Unit in off mode or off on error code. No Power to unit Probable Correction Remove front panel and check controller code display. Push ON/OFF button to reset Check for the power light on the controller. If not illuminated restore power. Auger motor not operating Open windings. Check motor windings and replace if open. Gear reducer seized, replace gear reducer.
UF424 / UN324 Installation and User Manual Controller Diagnostics Code or Light Action O Probable Cause Unit manually switched off Suggested Action If desired, switch unit on. F Freeze mode None, unit is making ice. b Bin sensors sense bin full Check if bin is full. E Corrupted memory Replace controller C Clean mode Continue clean mode d Test mode 1 Auger motor rotated auger backwards. 2 Auger motor stalled or operating slowly None, allow unit to finish test mode. Replace auger motor.
SCOTSMAN ICE SYSTEMS 101 Corporate Woods Parkway Vernon Hills, IL 60061 800-726-8762 17-3627-01 Rev.