VEVOR D520S-A Ice Cream Machine

Important Safety Precautions

Warning: To reduce the risk of injury, users must read instructions carefully.

This device complies with Part 15 of the FCC Rules. Operation is subject to two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.

This product is subject to European Directive 2012/19/EC. The symbol of a crossed-out wheelie bin indicates that the product requires separate refuse collection in the European Union. This applies to the product and all accessories marked with this symbol. Products marked as such must not be discarded with normal domestic waste but must be taken to a collection point for recycling electrical and electronic devices.

Safety Precaution: Before using the appliance, please read this user manual to ensure you gain the maximum benefit from it.

WARNING:

• This appliance is not intended for use by persons (including children) with reduced physical, sensory or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety.
• Children should be supervised to ensure that they do not play with the appliance.
• This appliance can be used by children aged from 8 years and above and persons with reduced physical, sensory or mental capabilities or lack of experience and knowledge if they have been given supervision or instruction concerning use of the appliance in a safe way and understand the hazards involved. Children shall not play with the appliance. Cleaning and user maintenance shall not be made by children without supervision.
• If the supply cord is damaged, it must be replaced by the manufacturer, its service agent or similarly qualified persons to avoid a hazard.
• To avoid a hazard due to instability of the appliance, it must be fixed in accordance with the instructions.
• When positioning the appliance, ensure the supply cord is not trapped or damaged.
• Do not locate multiple portable socket-outlets or portable power supplies at the rear of the appliance.
• Keep ventilation openings clear of obstruction.
• Do not damage the refrigerant circuit.
• Do not store explosive substances such as aerosol cans with a flammable propellant in this appliance.
• Children aged from 3 to 8 years are allowed to load and unload refrigerating appliances.

Note: This appliance contains flammable refrigerant R290 and foaming agent cyclopentane. Please avoid contact with fire when transporting and using it.

Please ask a professional for servicing when the machine breaks down. Please send it to your local appointed disposal station when you discard it.

Fire Warning Symbol: Pay attention to the symbol similar to the one on the left, located on the rear panel or compressor, which is yellow or orange. It's a risk of fire warning symbol. There are flammable materials in refrigerant pipes and compressor. Please stay away from fire sources during use, service, and disposal.

FCC Information

CAUTION: Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment!

This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: 1) This product may cause harmful interference. 2) This product must accept any interference received, including interference that may cause undesired operation.

WARNING: Changes or modifications to this product not expressly approved by the party responsible for compliance could void the user's authority to operate the product.

Note: This product has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This product generates, uses, and can radiate radio frequency energy, and if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this product does cause harmful interference to radio or television reception, which can be determined by turning the product off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

• Reorient or relocate the receiving antenna.
• Increase the distance between the product and receiver.
• Connect the product to an outlet on a circuit different from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for assistance.

I. Exploded Diagram

The exploded diagram shows the components of the ice cream machine. Key parts include:

II. Installations & Adjusting

A. Unpack & Inspect

1. Cut off the wrapping tape.
2. Open the wooden case with a screwdriver.
3. Remove the foam.
4. Inspect carefully for any defective appearance.
5. Check the accessories against the packing list.
6. Remove the fixing bolt and fixing feet from the bottom of the machine. Push the machine so the front-wheel drive falls to the ground, then take out the wooden base, letting the four wheels ground. (Directly lift the machine to the ground or on the table if it is a table type).

TIPS: When using the machine for the first time, if there is liquid residue in the cylinder, it is normal residue from ex-factory cleaning and will not affect machine performance or service time. We apologize for any inconvenience.

B. Installation

1. Selecting Location

• Place the machine on a level counter that is stable and strong enough to safely support its weight.
• Place the machine in a location that allows adequate space at the back and each side for proper ventilation. Keep 50cm space from all sides for ventilation. The machine should be shaded from the sun and should not be located too close to units that radiate excessive heat.

2. Power Supply

• Select the proper power supply according to the voltage and power on the nameplate.
• Connect the power wire and the power supply, ensuring the yellow and green wire is connected firmly with the ground wire.

Caution: For safety, ensure the ground connection is in good condition. All exterior wires and other appliances must conform to national standards.

C. Testing Running

• Switch the power switch ON. You will hear a "Beep". All graphic patterns on the screen will light up and then extinguish, and the machine enters "Standby" mode.
• Press "Wash". The corresponding indicator will light up, and you will hear the sound of the beater system working. Press the "Wash" button again to stop the beater system.
• Press "Auto". The corresponding indicator will light up, and the beater system will start working. After 3 seconds, the cooling system will also start working, and air pumps in both hoppers will enter normal working state.

D. Clearing & Sterilizing

1. Prepare 5-6 liters of warm water and mix with food detergent according to the manufacturer's specifications. This is the sterilizing solution.
2. Pour the solution into the hopper. While the solution is flowing into the freezing cylinder, brush and clean the mix hopper.
3. Press the "clean" key and let the machine run for about 5 minutes.
4. Place an empty pail beneath the draw spout, push down the draw handle, and draw off all solution.
5. Repeat this operation for 2-3 times with water only.

Notice:

• The temperature of the sterilizing solution should not exceed 60°C, or it will damage the spare parts.
• Draw off all the water in the hopper after clearing, or else it will damage the beater while the compressor is running.
• While pressing the "clean" key, pay attention to the indicator light to avoid pressing the wrong key.

III. Operation Instruction

A. Key Instruction

Figure.2 shows the control panel layout:

• 1. Display screen
• 2. Set key
• 3. Adjust key (UP)
• 4. Adjust key (DOWN)
• 5. Standby key
• 6. Wash key
• 7. Auto key

SET KEY (UP / DOWN)

a. Set Hardness Level:

When the machine is in ready mode, press "UP" or "DOWN" key for more than 2 seconds. The "SET" word on the display flashes, and the number shows the set level of hardness. For example, if the display shows "02", it means the current setting level is 2. The stiffness increases one level each time the "UP" or "DOWN" key is pushed. It circulates from "01" to "10" (01 soft, 02 hard, 03 harder ... 10 hardest, 01 soft).

b. Set Parameters:

In "standby" mode, press "UP" and "DOWN" simultaneously and hold for 5 seconds. The "SET" window displays "P1" icon (Periodic Restarting Time Setting). Press the [settings icon] key, the window will display "05" (The variable range is from "5~15" minutes). Press "UP" and "DOWN" to change the setting volume.

Continue pressing the [settings icon] key twice more; each operation changes the icon display on the window. When each icon appears, press the [settings icon] key once to change the setting you want. (Volume can be changed by pressing "UP" and "DOWN").

Press the [settings icon] key, the machine enters circulatory volume setting. Without any operation in ten seconds, setting volumes will be automatically saved and return to the standby mode.

Time Setting

In standby mode, press the "AUTO" and "WASH" buttons for 5 seconds. The window shows "F1 01". Then you can click the "UP" or "DOWN" key to adjust the back number. Press the [settings icon] key, the window shows "F2 12", by such analogy until "F7 30".

Note: F1 says mark symbol, 01, 02, 03...30 says actual value. F1 - week (00 - Sunday), F2 - year, F3 - month, F4 - date, F5 - hours, F6 - minutes, F7 - seconds.

WASH KEY

Press the "Wash" key [wash icon]. The "CLEAR" icon lights up, and the beater starts to work. It will stop when you press it again.

STANDBY KEY

Press the "Standby" key [standby icon]. "STANDBY" and "FRESH" icons will light. The small compressor for the hopper is controlled by setting temperature. It will stop when the temperature is less than the setting value and start again if the temperature in the hopper rises by 2°C. When the temperature in the cylinder is less than the setting value, the big compressor stops. After 15 seconds, the beater motor stops. When the temperature in the cylinder rises by 2°C, the beater motor starts. After 3 seconds, the big compressor starts. The temperature of the hopper and freezing cylinder can be directly displayed on the screen.

AUTO KEY

Press the "Standby" key [standby icon]. "AUTO" and "FRESH" icons will light. The small compressor for the hopper is controlled by setting temperature. It will stop when the temperature is less than the setting value and start again if the temperature in the hopper rises by 2°C. The big compressor for the cylinder will stop when the hardness value reaches 99. After 15 seconds, the beater motor stops. The beater motor will start again when the time reaches the setting value (cycle time to restart for the machine). After 3 seconds, the big compressor starts.

PROTECTION FUNCTION

• The sensor for the freezing cylinder is open circuit or short circuit. The hardness window on the screen will show "RL" or "RH", the buzzer will sound, and the machine will stop.
• The sensor for the mix hopper is open circuit or short circuit. The hardness window on the screen shows "RL" or "RH", the buzzer screams, and the machine stops.
• When the machine is in "WASH" or "AUTO" mode, if the digital displayer shows "--" with alarm and the machine stops, the keys on the operation panel will be locked. This means the proximity switch is damaged or not in the correct position. Change it or put it in the correct position.
• When the digital display shows "NL" with alarm and the machine stops, it means the belt of the beater motor system is skidded.
• If you push the handle for more than 1 minute, the hardness window on the screen will show "Cb", the buzzer will sound, and the machine will stop.
• Under "AUTO" or "STANDBY" status, if there is a mix lack, the hardness window on the screen will show "CL" alternately with hardness, the buzzer will sound for 20 seconds.
• The number "01" will flash if there is only 1 day left for the setting cleaning cycle. When the cleaning cycle is over, the window will show "OVER", and the buzzer will work intermittently. Then you can use "WASH" and "PUMP" functions. The refrigeration function is locked and can only be unlocked after switching the power off and on again. The cleaning cycle will count anew.
• Less cooling, no cooling, or cooling over one hour with no ice cream forming will display "ERR" on the screen, and the sound of "BEEP" will continue.

B. Make Ice Cream

1. Make Sure the Machine is Clean and Sanitized Before Making Ice Cream.

• Prepare some sanitizing solution with warm water (temperature between 50°C and 60°C), pour it into the hopper, and clean the wall of the hopper.
• Turn on the power switch, press the [clean icon] key, and operate for 5 minutes.
• Put an empty pail under the dispensing door. Pull down the handle for 3 seconds, then return it by hand. Repeat this 6 times to clean the mix pump assembly thoroughly.
• Draw out all sanitizing solution from the machine and turn off the [power icon].
• Take off the 4 screws from the dispensing door, then remove the dispensing door assembly. Disassemble it, and put the parts into the sanitizing solution to clean thoroughly. Then reassemble them together and put them on the machine.
• Pour some clean water into the hopper and repeat to rinse it several times.
• Use a clean towel to wipe water off the dispenser door.

2. Prepare the Mixer

Prepare the ice cream mixer as per the instructions of your purchased ice cream powder or liquid mixer. Ensure the liquid mixer is free of impurities or particulates. Keep it for 15 minutes or keep it in the freezer.

3. Make Ice Cream

Notice: When you select another new ice cream mixer to make ice cream, please set the hardness level to "02" to make ice cream. Adjust the hardness level properly as per the dispensed ice cream.

• Pour half fresh mix into the hopper.
• Press the [pump icon] key until the inlet hole of the pump cylinder is without bubbles. It is not good for ice cream shape if you operate in this way.
• Add more ice cream mixer into the hopper, put the hopper cover on. Press the [start icon] key to start operation. The number on the digital displayer will rise during operation. When the number reaches "99", the ice cream in the freezing cylinder is ready to serve.
• Dispense ice cream. Put a cone or other container under the dispenser door, pull down the handle to get ice cream. Then push it back after dispensing.
• Clean the machine after daily work. Dispense all the ice cream in the freezing cylinder and mixer in the hopper. Clean and sanitize the machine as per the above instructions.

IV. Use & Maintenance

Different machines must be used and maintained according to their different using conditions and environment conditions.

A. Washing Refrigeration Cylinders

Clean the refrigeration cylinders once every day for a longer useful life and for the health of customers.

1. Press the [exhaust icon] key to exhaust all the remaining slurry in the beverage containers and refrigeration cylinder, then click the [stop icon] key; the machine will stop.
2. Take the right amount of food detergents, make up a disinfecting solution according to its instructions with warm water, then put the solution into each bucket.
3. Press the [stir icon] key. After the machine stirring for about 5 minutes, discharge the disinfecting solution, followed by washing with water 2-3 times, then stop the machine.
4. Turn off the power, take apart and wash the parts.
• Unscrew the four fastening screws in front of the dispenser door, remove the dispenser door.
• Remove the components as follows: pin of handle, handle, piston, O-ring for piston, and O-ring for dispenser door from the dispenser door.
• Draw the beater from the refrigeration tank, then remove the gasket for beater.

Figure.3 A and Figure.3 B show the dispenser components.

Figure.4 shows the beater and related parts.

Notice: Before installing the piston, O-ring for piston, beater, and gasket for beater, you should lubricate with vaseline (lubricating vaseline onto the groove of the gasket, not onto the beater's end). Using vaseline frequently can extend the service life of components.

B. Cleaning Machine Cabinet

Keep the machine cabinet clean. Use a wet towel to clean the cabinet, and do not flush the machine with water directly.

C. Cleaning Condenser

After being used for a period of time, the condenser may become thick with dust, affecting heat radiation and causing refrigeration differences, so it needs periodic cleaning (every half year).

Cleaning methods:

1. Disconnect the main power switch.
2. Remove the back panel and side panels.
3. Clean dust with tools such as a vacuum cleaner, high-pressure air, and a hairbrush. Be careful while cleaning to avoid damaging the fins of the condenser.

D. Belt Adjustment

After being used for a period of time, the belt of the machine may elongate, so it needs to be adjusted. Disconnect the main power of the machine, remove the back panel and side panels, adjust the tension bolt, and make sure the belt is in appropriate tension.

V. Trouble Shooting Guide

VI. Schematic wiring diagram

• Technology parameters are on the nameplate.
• The electrical schematic diagram is on the board inner.

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