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CO2 Refrigeration Cassette Service Manual

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1. Refrigeration Assembly 1185298 21 114 1185328 FAN MOTOR PC 5W 115VC50 60HZ 1187465 CSR ELECTRICAL EMBRACO CO2 V21 Replaceable parts 1185328 FAN MOTOR PSC 5 115VAC 50 60HZ 389623 BLADE FAN 1187465 CSR ELECTRICAL EMBRACO CO2 V21 AREA ADDRESS PHONE NUMBERS United States SandenVendo America Inc Tel 800 344 7216 Canada 10710 Sanden Drive ext 9935 Dallas TX 75238 1335 U S A Fax 800 541 5684 22 23
2. Assemblies When servicing assemblies involving moving parts use ext reme caution Keep fingers hands loose clothing hair tools or any foreign material clear of entrapment As noted before under the electrical hazards section Power On servicing should only be performed by qualified personnel Refer to and heed the warnings noted in the electrical hazards section These warnings refer to the potential hazards associated with electrical power and moving parts Always maintain maximum clearances from electrical and moving parts Always install protective covers and guards when reassembling equipment THIS VENDING MACHINE INCLUDES MECHANICAL EQUIPMENT WHICH CAN BE HAZARDOUS IF IMPROPERLY HANDLED OR SERVICED USE CAUTION AND CONSULT THE VENDO SAFETY MANUAL AND VENDO SERVICE MANUAL FOR ADDITIONAL SAFETY INFORMATION RISK OF ENTRAPMENT RISK OF SHOCK ELECTRICAL OF 11 SECTION IV REFRIGERATION HAZARDS GENERAL Refrigeration systems involve both electrical power and mechanical action These systems may present any of the potential dangers shown in the sections on electrical and mechanical hazards contained in this manual See Sections II and Ill for further information A Compressed Refrigerant Refrigeration s ystems involve t he compression and evaporatio n of gases The contained pressu res represent a potenti al hazard if suddenly released in confined areas Caution is required when performing main tenance t ests or repairs
3. THE NECESSARY CORRECTIONS MADE H Electronic Power Lock The auxiliary back up battery pack voltage is specified by the lock manufacturer to be 24 30 Volts DC This is typically provided by a back up battery pack with 3 9 volt commercially available alkaline batteries SECTION Il ELECTRICAL HAZARDS GENERAL SandenVendo America vending machines are provided with the appropriate power supply setting for your area Some models are equipped with step down transformers as required This enables the vending machine to operate on different main voltages Refer to Section E for information to determine the main power requirements Refer to the appropriate service manual for details of step down transformer operations The power sources just mentioned are standard for both household and commercial lighting and appliances However careless or improper handling of electrical circuits can result in injury or death Anyone installing repairing loading opening or otherwise servicing a vending machine should be alerted to this point Apply all of the normal precautions observed in handling electrical circuits such as Refrigeration servicing to be performed by qualified personnel only Unplug the vendor or move power switch to off position before servicing or clearing product jams Replace electrical cords if there is any evidence of fraying or other damage Keep all protective covers and ground wires in place Plug equipment into outle
4. minimum distance 3mm and suitable to cut off the power incase of emergency The V21 machine must be grounded for safety Make sure the plug has a terminal for grounding which complies with the local regulation Adapter is acceptable if necessary Do not use mechanical devise or other means to accelerate the defrosting process without manufacture recommendation If supply cord is damaged it must be replaced Installation should be carried out according to Manufacture s instruction by qualify person and infirmity with the Local regulation The manufacture accepted no liability for damages to people or objects that cause from wrong installation or some modification of equipments CO2 REFRIGERATION DECK SPECIFICATION Refrigeration Cassette Model Number 1185298 Width 324 04mm 12 76 inches Refrigeration Dimensions Depth 452 63mm 17 82 inches Height 463 80mm 18 26 inches Refrigerant R744 170g Weight 20 0kg 45lbs Voltage 115 120V 10 10 60Hz Input 530W 115V AC Current 6 8 A 115V AC Cooling Capacity 570W 115VAC Noise 55dBIA 1m Control VMC Defrost Off cycle defrost timer 1 Under stabilization at 0 A COMMITMENT TO SAFETY SandenVendo America is committed to safety in every aspect of our product design SandenVendo America is committed to alerting every user to the possible dangers involved in improper handling or maintenance of
5. Al testing of sealed refrigeratio n s ystems must be done by trained personnel who are familiar with the systems and pressures involved B Physical Protection The accidental release of refrigerant gases can result in physical injuries Always wear protective glasses and protect your hands face and body when working near the refrigeration system ALWAYS WEAR EYE PROTECTION AND PROTECT YOUR HANDS FACE AND BODY WHEN WORKING NEAR THE REFRIGERATION SYSTEM SECTION V TEMPERATURE HAZARDS GENERAL Maintenance personnel should be alerted to the potential hazards from hot metal surfaces High temperatures may be present throughout the refrigeration system even though electrical power has been removed 12 SECTION VI SUBSTITUTIONS AND MODIFICATIONS GENERAL Unauthorized changes or the substitution of unauthorized parts can compromise the equipment designs This can result in unsafe conditions for either the service personnel or the equipment users Always refer to the appropriate parts and service manual for replacement parts and maintenance instructions If questions arise contact the Technical Services Department of the SandenVendo America office in your area When servicing the vending machine always reassemble all components to their original location and position Maintain the correct routing for tubing electrical wiring etc Replace all clamps brackets and guides to their original locations Replace all tubing sleeving insulating
6. N VII CONSUMER SAFETY WARNING GENERAL There have been incidents including fatalities when vending machines have been vandalized by being pulled over in an attempt to obtain free product or money To warn of the danger involved in tipping shaking or rocking the vending machine a decal has been designed to be affixed to vending machines One such decal is applied on the vending machine SandenVendo America will supply sufficient decals to be placed on all machines on request lf you have any questions contact the Technical Services Department of the SandenVendo America office in your area THE FOLLOWING DECAL SHOULD BE PLACED IN A POSITION ON THE VENDOR CONTROL PANEL AT EYE LEVEL Never rock or tilt Machine can tall over and cause serious injury or death Vending machine will not dispense free product ENGLISH FRENCH SPANISH 15 SERVICE amp TROUBLESHOOTING Before call any service Please try to make this simple check and sure you have unplug the unit before carrying out any maintenance work for safety reasons be vibrating FAULT POSSIBLE CAUSE REMEDY The refer is not 1 Unit may not be properly 1 Ensure that the plug is properly working plugged in place 2 Main power maybe tripped 2 Check the power supply voltage at the circuit breaker Reset breaker 3 Fuse is blown out 3 Replace the fuse Thecabinet 1 The sensor is not 1 Check the sensor and replace if doesn t cool
7. SERVICE MANUAL CO2 REFRIGERATION V21 1185298 Revision A SANDENVENDO AMERICA INC INTRODUCTION This CO2 Refrigeration system is for the V21 Vending Machine INPORTANT 8 WARNING Low potential of Grobal Very High Pressure Not destroy Ozone layer warming The refrigeration unit contains R744 carbon dioxide Only technical person who has been trained the operation of R744 carbon dioxide is able to fix the cassette Do not eject the refrigerant by person who hasn t been trained about R744 because the pressure is very high Please check the characteristics in the following table Refrigerant R744 R134a Ozone destructive potential 0 0 Green house warming potential 1 1300 Permission concentration 5 000ppm 1 000ppm Operating pressure 10MPa 2MPa CAUSION Do not breathe under high density condition of CO2 It will cause below symptom 4 headache dizzy Flushing face 4 6 frequent breathing vomit 6 8 difficulty breathing congestion of lung 10 unconscious stop breathing Power input Use the cabinet at specified voltage Make sure the voltage corresponds to that mark on Name plate which is located on the front right corner of the base plate Maximum variation is 10 Use only standard socket Multi socket is not acceptable and do not plug other electrical units into the same wall outlet of the cooler plugged into Do not use extension cord The contact of socket must have
8. during shipping Remove the wooden shipping base attached to the vendor base by the vendor leveling screws Make certain the leveling screws are in place and functional C Position the vendor three to four inches 7 6 cm to 10 2 cm from a well constructed wall of a building or otherwise on a flat smooth surface IMPORTANT The vendor requires three inches 7 6 cm of air space from the wall to ensure proper air circulation to cool the refrigeration unit D Adjust the leveling screws to compensate for any irregularities on the floor surface Ideally no adjustment will be necessary and the leveling legs will be flush with the bottom of the vendor A spirit level is a useful aid to level the vendor When the vendor is properly leveled the outer door when opened will remain stationary Vendors must be level to ensure proper operation and to maintain stability characteristics Do not add legs to the vendor The leveling legs shall not raise the vendor more than 1 1 8 inch above the ground E Check the manufacturer s nameplate on the left or right side of the vendor s outer door to verify the main power supply requirements of the vendor Be sure the main power supply matches the requirements of the vendor To ensure safe operation plug the vendor only into a properly grounded outlet DO NOT USE EXTENSION CORDS F Recommended voltage specs 115V 10 G Dedicated 15A service required for 1 machine NOTE Any power supply variance more tha
9. material and protective covers to their original condition SANDENVENDO AMERICA EQUIPMENT HAS BEEN PROVIDED WITH APPROPRIATE PROTECTIVE DEVICES TO PROTECT AGAINST THE POSSIBILITY OF OVERHEATING AND FIRE AS A RESULT OF EQUIPMENT OR COMPONENT FAILURES SUBSTITUTION MODIFICATION OR BYPASSING OF SUCH PROTECTIVE DEVICES CAN CREATE DANGEROUS CONDITIONS PROTECTIVE CIRCUITS SHOULD NEVER BE BYPASSED AND FAILED PROTECTIVE DEVICES MUST BE REPLACED ONLY WITH FACTORY AUTHORIZED PARTS A Service Cord Replacement SandenVendo America vending machines are furnished with unique power supply cords If replacement becomes necessary consult the appropriate parts and service manual and order the correct replacement cord for the model of vending machine in question Do not use substitute replacement cords Only authorized service personnel with appropriate training should replace the vending machine service cord If a question should arise concerning which service cord to order contact the Technical Services Department of the SandenVendo America office in your area 13 SECTION VI SUBSTITUTIONS AND MODIFICATIONS CONTINUED THIS APPLIANCE MUST BE EARTHED IMPORTANT The wires in the main leads are colored in accordance with the following code 110v 120v 220v 240v Green Green and Yellow Earth White Neutral Black Brown cernere Live 14 SECTIO
10. ment and avoid electrical and mechanical hazards Service personnel should remain aware of possible hazards from hot components even though electrical power is off See the appropriate sections of this manual for further information C Servicing with Power On Some service situations may require access with the power on Power on servicing should be performed only by fully qualified service technicians Particular caution is required in servicing assemblies that combine electrical power and mechanical movement Sudden movement to escape mechanical action can result in contact with live circuits and vice versa It is therefore doubly important to maintain maximum clearances from both moving parts and live circuits when servicing POWER ON SERVICING SHOULD BE ACCOMPLISHED ONLY BY FULLY TRAINED PERSONNEL SUCH SERVICE BY UNQUALIFIED INDIVIDUALS CAN BE DANGEROUS Power to lighting and refrigeration system is shut off automatically by the electronic controller when the outer door is opened NOTE For power on servicing of the vendor s lighting system turn lighting power on by accessing the Lights test function of the electronic controller see programming on inner door For power on servicing of the vendor s refrigeration system turn refrigeration power on by accessing the Compressor test function of the electronic controller see programming on inner door 10 SECTION Ill MECHANICAL HAZARDS A Servicing of Moving Parts and
11. n 1096 may cause the vendor to malfunction Power outlets must be properly grounded Power outlets must be properly polarized where applicable Test the outlets using the following information SECTION I VENDOR INSTALLATION CONTINUED For Type 1 and Type 2 outlets test for Grounding and Polarization as follows 1 With a test device volt meter or test light connect one probe to the receptacle s neutral contact and the other to the live contact The test device should show a reaction 2 Connect one probe to the receptacle s earth contact and the other to the live contact The test device should show a reaction For Type 3 through Type 5 outlets test for Grounding as follows 1 With a test device volt meter or test light determine which of the receptacle s power contacts is the live contact A Connect one probe to the receptacle s earth contact B Connect the second probe to the left or upper power contact If a reaction occurs this is the live power contact If a reaction does not occur move the second probe to the right or lower contact A reaction should occur indicating that this is the live power contact 2 Connect one probe to the receptacle s live power contact as determined in step 1 Connect the second probe to the other power contact neutral The test device should show a reaction IF THE ABOVE CONDITI ONS ARE NOT MET FOR THE GIVEN OUTLET TYPE CONTACT A LICENSED ELECTRICIAN AND HAVE
12. our equipment The servicing of any electrical or mechanical device involves potential hazards both to those servicing the equipment and to users of the equipment These hazards can arise because of improper maintenance techniques The purpose of this manual is to alert everyone servicing SandenVendo America equipment of potentially hazardous areas and to provide basic safety guidelines for proper maintenance This manual contains various warnings that should be carefully read to minimize the risk of personal injury to service personnel This manual also contains service information to insure that proper methods are followed to avoid damaging the vendor or making it unsafe lt is also important to understand these warnings are not exhaustive SandenVendo America could not possibly know evaluate or advise of all of the conceivable ways in which service might be done Nor can SandenVendo America predict all of the possible hazardous results The safety precautions outlined in this manual provide the basis for an effective safety program Use these precautions along with the service manual when installing or servicing the vendor We strongly recommend a similar commitment to safety by every servicing organization Only properly trained personnel should have access to the i nterior of the machine This will minimize the potential hazards that are inherent in electrical and mechanical devices SandenVendo America has no control over the machine once it lea
13. properly set or faulty need after long time 2 The CO2 refrigeration unit 2 Position the cabinet away from maybe directly near heat heat source source 3 The gas cooler fan air 3 Leaving enough space behind maybe blocked machine 4 The coils may need to be 4 Clean the gas cooler cleaned 5 The cassette may have 5 Replace the refrigeration deck gas leak Low charge The 1 The unit is not level 1 Ensure that the machine is on a refrigeration level floor deck is noisy 2 The copper tube may 2 Check if the tube is on contact with other After you have checked the above but the problem still remain call technical service with information of Model Name Serial No and detail of problem 16 INSTALLATION 8 PREPARATION The CO2 refrigeration deck is a direct alternate for the R134a refrigeration deck The operation and installation is the same The machine must have a minimum of 4 space from the back of the machine to the wall MAINTENANCE SANDENVENDO s refrigeration deck is manufactured with the high quality control However to achieve years of trouble free service they still need a minimum amount of care m Cleaning CO2 refrigeration deck Disconnect the cabinet from power source before cleaning the refer deck Remove GAS COOLER GUARD then using a vacuum cleaner or brush to remove dirt or dust Do not use water any liquid or high pressure water pump to clean Use glove to protect hands
14. ts that are properly grounded and polarized where applicable and protected with fuses or circuit breakers All electrical connections must be dry and free of moisture before applying power A Grounding Systems SandenVendo America vending machines are provided with the appropriate service cord for the power supply in your area The service cord will connect to the matching electrical outlet Always ensure that the outlet to be used is properly grounded before plugging in the vendor ALWAYS TEST TO VERIFY PROPER GROUNDING PRIOR TO INSTALLATION TO REDUCE THE RISK OF ELECTRICAL SHOCK AND FIRE The electrical grounding system also includes the bonding of all metal components within the vendor This involves a system of bonding wires identified by green or green and yellow marking The system uses serrated head screws lock washers and star washers to ensure the electrical connection between parts Maintenance of vending equipment may involve disassembly Include the above items when reassembling even if the vending machine may appear to function normally without them Omitting any of these items can compromise a link in the grounding system See the appropriate service manual or kit instructions for components and assembly instructions SECTION Il ELECTRICAL HAZARDS CONTINUED B Servicing with Power Off For maximum safety unplug the service cord from the wall outlet before opening the vendor door This will remove power from the equip
15. ves the premises It is the owner or lessor s responsibility to maintain the vendor in a safe condition See Section of this manual for proper installation procedures and refer to the appropriate service manual for recommended maintenance procedures If you have any questions please contact the Technical Services Department of the SandenVendo America office nearest you SAFETY RULES Read the Safety Manual before installation or service Test for proper grounding before installing to reduce the risk of electrical shock and fire Disconnect power cord from wall outlet before servicing or clearing product jams The vending mechanism can trap and pinch hands Use only fully trained service technicians for Power On servicing Remove any product prior to moving a vendor Use adequate equipment when moving a vendor Always wear e ye protection and protect your ha nds face and body when working near the refrigeration system Use only authorized replacement parts Be aware of inherent dangers in rocking or tipping a vending machine SECTION I VENDOR INSTALLATION A Vendors are large bulky machines of significant size and weight Improper handling can result in injury When moving a vendor carefully plan the route to be taken and the people and equipment required to accomplish the task safely B Remove all tape shipping sealant and Styrofoam from the vendor Loosen any shipping devices used to secure interior parts
16. when servicing When you re connect the power supply source to the cabinet please wait more than 5 minutes from disconnect 17 18 EM NO unes DESCRIPTION BEE BASE REFER COZ V2 2 1181323 COMPRESOR EMER 115 amp 0 1 CO2 V2 q 3 18003 FANBRACKEN 1 CONDENSOR GAS COOLER 02 2 1 ASY SUCTION TUBE CO2 21 1188488 SHROUD GAS AS COOLER CO2 V2 EN 7 1185135 EVAPORATOR COIL CO2 V2 1 1185822 DISCHARGE TUBE CO2 V21 9 1185834 PROCESS TUBE 0221 IER 10 1186229 CAPPILARY TUBE CO2 V21 EE 11 1185305 ENDPLATE RIGHT EVYAP COL V2 1 ENDPLATE LEFT EVAP CO2 V3 1 BRACKET EVAP CO2 ER FAN MTR PSC SW 115 50 60 1 15 38003 BLADEFANEVAP Ji 16 1187465 CSRELECTRICALEMBRACO 202 21 1 Caution Do not start replacement or removing parts before disconnecting the power cord e High pressures are inherent in a CO2 system be careful when working around tubing assemblies Wear gloves and safety gasses before start work Do not damage the wires and tubing Do not bend pipe of refrigeration unit Do not tighten screw around resin parts 19 C02 V21 Wiring Diagram Run Capacitor motor I 4 o O 3 e o a UE S o la 5 o 1 20 Ya m O Vitis PERITI

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