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DONPER 

USA

—USER MANUAL 

1  — COPYRIGHT DONPER USA 2015 

Model BH7480 & BT7280  

User Manual 

[email protected] 

www.donperusa.com    1

844

DONPER1 

Summary of Contents for BH7480

Page 1: ...DONPER USA USER MANUAL 1 COPYRIGHT DONPER USA 2015 Model BH7480 BT7280 User Manual support donperusa com www donperusa com 1 844 DONPER1 ...

Page 2: ... ng the machine as there are several safety issues you must know and understand to safely operate the machine If you have any ques ons about the material in this manual please call Donper USA at 1 844 366 7371 or email us at Sales DonperUSA com Do not operate the machine un l you have read and understood the material in this manual Thank you again for your purchase and enjoy your machine ...

Page 3: ... Machine Parts Identification 9 Installation 10 Operating the Machine 12 Controls 12 Wash Mode 14 Auto Mode 15 Adjusting Product Firmness 15 Standby Mode 16 Cleaning 19 Reassembly After Cleaning 22 Adding Mix to the Machine 24 Error Codes and Solutions 25 Routine Maintenance 30 Troubleshooting 35 Warranty 38 ...

Page 4: ...is manual will reduce the performance and operational life of the machine as well as voiding the machine warranty provided by Donper USA The following symbols will be used throughout this manual General Information Cautionary Information Important Safety Issue Careful Attention Required to Avoid Injury Electrical Shock Hazzard Careful Attention Required to Avoid Injury To avoid physical injury thi...

Page 5: ...L Refrigerated Hoppers ea 9 5 Qt 9 L Appx Hourly Produc on 46 59 Qt 44 56 L Height 56 5 in 1435 mm Width 21 25 in 540 mm Depth 30 5 in 750 mm Weight 397 lbs 180 kg R404A main compressor 900 g R134a hopper compressor 130g A dedicated 30 amp circuit is required to operate the machine Using a shared circuit may damage the machine and will void the machine warranty The machine uses an air cooled refri...

Page 6: ...DONPER USA USER MANUAL 6 COPYRIGHT DONPER USA 2015 BH7480 ...

Page 7: ...L Refrigerated Hoppers ea 9 5 Qt 9 L Appx Hourly Produc on 46 59 Qt 44 56 L Height 32 5 in 1435 mm Width 21 25 in 540 mm Depth 35 5 in 750 mm Weight 352 lbs 180 kg R404A main compressor 900 g R134a hopper compressor 130g A dedicated 30 amp circuit is required to operate the machine Using a shared circuit may damage the machine and will void the machine warranty The machine uses an air cooled refri...

Page 8: ...DONPER USA USER MANUAL 8 COPYRIGHT DONPER USA 2015 BT7280 Measurements in Inches millimeters ...

Page 9: ...DONPER USA USER MANUAL 9 COPYRIGHT DONPER USA 2015 ...

Page 10: ...likely cause over heating and or damage to the cooling system of the ma chine The BH7480 is shipped on a pallet and the machine is secured bolted to the pallet to prevent shipping damage To install the machine the bolts connecting the pallet bracket to the base of the machine must be removed Once the pallet bracket bolts are removed the machine may be carefully removed from the pallet USE EXTREME ...

Page 11: ...t be properly grounded Failure to properly ground the machine can result in severe bodily injury from electrical shock ELECTRICIAN When making the electrical connections note that the beater rotation must be counter clockwise as viewed looking into the freezing cylinder from the front of the machine If the rotation direction is incorrect it will be neces sary to change the position of the hot wire...

Page 12: ...e Main Power Switch Dispense valve handles Le and right handles dispense pure product and the middle handle dispenses a mix or twist of the 2 pure products Digital Control Panel Hopper refrigera on power switch This turns on the second ary compressor that cools the product in the 2 hoppers ...

Page 13: ...GHT DONPER USA 2015 Machine Controls cont for BH7480 and BT7280 1 Dispensing Handles 2 Main Power Switch 3 Valve Body Thumb Screws 4 Drip Tray Cover 5 Hopper Cooling Switch 6 Valve Body 7 Drip Tray A Level Switch B Air Cap C Feed Tube ...

Page 14: ...chine is freezing and preparing so serve product to serve 3 Standby Mode This is where the machine is configured to keep the product in the barrels refrigerated for extended periods of me during slow sales periods or even overnight OPERATING IN THE WASH MODE Press the Wash bu on and the Wash indicator light will turn on Both the right and le mixing motors will turn on simultaneously To stop simply...

Page 15: ... AUTO bu on will then flash indica ng that the product is ready and has reached the de sired firmness level Note that the hopper cooling switch should also be turned on during the AUTO mode opera on to keep the product in the hoppers refrigerated and to prevent spoiling NEVER RUN THE MACHINE IN AUTO MODE WITH WATER IN THE FREEZING CYLINDERS DAMAGE WILL OCCUR Adjus ng the Product Firmness Level Wit...

Page 16: ...process un l the desired product firmness is reached As a guide to help determine the appropriate product firmness se ng the numbers on the display in AUTO mode should start at 0 and quickly rise to about 84 to 87 when the product inside the freezing cylinders is in a complete liquid state for example when the machine is first filled with fresh product and started a er cleaning If the numbers rise...

Page 17: ...l turn off and the refrigera on system will keep the product in the cylinders refrigerated In this mode it is also necessary to make sure that the hopper cooling system switch is set to ON Not turning the hopper cooling switch on will allow the product in the hoppers to spoil To enter standby mode you must also remove the feed tubes from inside the hoppers and reverse their position as shown above ...

Page 18: ...fically the valve body should also be cleaned and sanitized To exit Standby Mode and return to normal operation Auto Mode press and hold the Wash button for five 5 seconds machine will beep 5 times then release the Wash button The machine will re turn to the Auto Mode when the Wash button is released and will begin rotating the augers and cycling the refrigeration system so that the product is fro...

Page 19: ...ndles down until all the product is removed from the freezing cylinders and hop pers Press the Wash button to turn Wash Mode off Step 5 Pour water cleaning solution into the hoppers and re peat step 4 until the water being drained into the bucket comes out clean Cleaning the Machine Quick Rinse Sanitize Every 2 3 days the machine should be shut down and fully cleaned For mix changes or sanitizatio...

Page 20: ...tion Step 6 If the machine is to be immediately run with new product then pour 1 2 cups of the product into the hoppers activate the WASH mode and dispense the product out the valves until the water remaining in the cylinders is pushed out by the product If the machine is not going to be run immediately with new prod uct after cleaning you will need to remove the dispensing door and beater bars an...

Page 21: ... from the freezing cylinder Use caution when removing the beater bar as the scraper blade edges are sharp and may cause injury Step 6 Prepare a sink of the sanitizer solution and warm water Use a brush kit to thoroughly clean each of the disassembled parts Use a small pipe brush to clean the channels in the valve body that the soft serve flows through Remove the scraper blades and seal from the be...

Page 22: ...ezing cylinder Step 4 Reattach the door bearings and screw on the rods onto the back side of the dispenser door Use the handle pin to gently tighten Step 5 Place the dispenser door o rings into the grooves and lubricate the O rings as the lubrication helps the O rings to stick to the dispenser door while it is being mounted on the machine Step 6 Slide the door flush onto the freezing cylinder chec...

Page 23: ...l the three 3 handles and slide the handle pin into place Step 9 Install the air cap onto the feed tubes Make sure the hole in the air orifice is not clogged If clogged use soap water and a brush to clear the hole Do not enlarge the hole in the cap See step 4 above for this picture See step 9 above for this picture ...

Page 24: ...closest to the bottom and insert the air caps as needed Place the cover on the hoppers and turn on the Hopper Cooling Power Switch Step 5 Press the Auto button to begin freezing The Auto indica tor light will turn on and the mix will be frozen and ready to dis pense in about 7 10 minutes under normal conditions When the Auto mode is selected the numbers on the control panel should begin at 0 and q...

Page 25: ...ne Be sure the machine is powered OFF and un plugged before inspecting Look for signs of cracking tears un even wear or excessive belt looseness If signs do exist replace drive belts with new ones 2 If the belts are in good condition check the tightness of the belts The belts should not move more than about 1 2 inches horizontally when tightened properly If they move more than 1 2 inches tighten t...

Page 26: ...s Level as needed to a lower number from 7 to 4 for example If problems persists contact an authorized service technician Problem 1 The temperature inside the freezing cylinder has risen above 140 F 60 C or the temperature sensor circuit is short Solution 1 Inspect R404A refrigeration system to be sure high side and low side pressures are correct If problems persist contact an author ized service ...

Page 27: ...or 10 minutes and then decrease the firmness setting to a lower number change from 7 to 4 for example and restart the machine If problems persist contact an authorized service techni cian Problem 1 Breaker in the side panel access door is tripped 2 Frozen product in the freezing cylinder or object restricting the rotation of the beaters or problem with beater motor Check for loose wiring overheati...

Page 28: ...d for proper connection Problem 1 Dispensing handle has been left open for over 60 sec onds 2 Dry torsion spring assembly Solution 1 Return handle s back to upright position Turn power switch OFF and restart as normal Draw valves may not easily return to their original position if the proper amount of lubricant was not applied to the draw valve o rings or h rings Make sure that there is enough lub...

Page 29: ... on the LCD screen This is caused by high pres sure being detected at high pressure side of the main compres sor refrigeration system Possible causes High ambient temperature Poor cooling from the condenser Poor air circulation around the machine Faulty main condenser fan Dirty condenser coils Contact an authorized commercial refrigeration technician to inspect the refrigeration system ...

Page 30: ...the flow rate turn the screw clockwise tighten Once you have the flow rate screw in the desired position tighten the nut on the threaded screw against the handle This will prevent the flow rate screw from moving turning away from your desired set point for the flow rate During sanitizing and rinsing the flow rate screws should be unscrewed to a wide open position to allow the water and sanitizer t...

Page 31: ...nd efficiency and pre vention of costly repairs from occurring in the future Do not run the machine while the machine is empty This can severely damage internal parts Be familiar with all the operational modes of your machine and what they do Understand the different features of each mode for safe and reliable operation Use a recommended soft serve machine cleaner and sanitizer when cleaning your ...

Page 32: ...recommended soft serve machine cleaner and sanitizer when cleaning your unit Regular dish soap chemicals and detergents can degrade seals and leave unwanted residues in your machine Visually inspect the wearable parts regularly drive belts o rings shaft seals dispensing head o rings door bearings Seals o rings and or belts that are torn cracking hardened or unevenly worn need to be replaced Lubric...

Page 33: ...e machine Do not add any candies jellies or other particles into the hopper Particles may clog the passageway leading into the freezing cylinder causing damage to the unit Do not operate the machine while the side panels are removed from the unit Loose garments and long hair can get caught in the moving parts resulting in serious injury ALWAYS unplug the machine before removing any side or rear pa...

Page 34: ...h can lead to irreparable damage Lubricate all seals and o rings with a food grade lubricant Do not pour water product or any fluid into the hopper while the beaters are re moved from the freezing cylinder Doing this will cause the fluid to be dis charged from the discharge tube located under the machine Do not add any candies jellies or other particles into the hopper Parti cles may clog the pass...

Page 35: ... when the draw valve is opened and the machine is in Auto Mode 1 The feed tube is installed with the hole on the upward side instead of the downward side 2 Low level of mix in the hop per 3 Mix inside the freezing cylin der is frozen solid or nearly sol id 4 Beater is rotating in the wrong direction 1 Remove and reverse the position of the feed tube so the hole is near the bottom of the tube when ...

Page 36: ...or signs of wear Replace if there is any damage or if they are unevenly worn 5 Clean the condenser to allow better air flow Make sure that the machine un plugged before removing the back panel to clean the condenser The mix in the hop per is too cold 1 The temperature setting on the thermostat needs adjust ment 2 Faulty thermostat 1 Adjust hopper thermo stat temperature 2 Call the Donper USA servi...

Page 37: ...n the shaft seal 1 With the machine un plugged install or replace a new shaft seal 2 With the machine un plugged lubricate the shaft seal with foodgrade lubricant Excessive mix leak age from dispenser door spout 1 Missing or worn draw valve o rings 2 Lack of lubrication on the draw valve o rings 1 With the machine un plugged install or replace with new o rings 2 With the machine un plugged lubrica...

Page 38: ...cturer these warran ties are provided by our company Donper USA in Houston Texas We stock all warranty parts for the Donper machines are and our technical support team are available M F 9am to 4pm CST at 1 844 366 7371 to assist with any technical service issues and to dispatch warranty parts via overnight delivery We ll do our best to help you resolve any is sues as quickly as possible to minimiz...

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