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NSF AC10-PC Service Manual

Refrigerated liquid dispensers
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AC10-PC
Refrigerated Liquid
Dispensers
Service Manual
D-19-030RevA
1

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Summary of Contents for NSF AC10-PC

  • Page 1 AC10-PC Refrigerated Liquid Dispensers Service Manual D-19-030RevA...

  • Page 2: Dispenser Components

    Products Function Button Panels Weight Dimensions Capacity AC10-PC portion control 1, 3, 4, 5 60 lbs 17¾ x 9½ x 24 1 x 2½ gal (1 x 10 L) NOTES: All Dimensions are in inches, with standard 1” legs installed.

  • Page 3: Table Of Contents

    Table of Contents Dispenser Components Remove & Replace Circuit Breaker Specifications Remove & Replace ON/OFF Switch Safety Precautions Remove & Replace Solenoid Inspection for Damage Remove & Replace Condenser Fan Reshipment Remove Back Panel Uncrating the Dispenser Replace Electrical Cord Electrical Requirements Servicing –...

  • Page 4: Safety Precautions

    The product is stored in a sanitary, refrigerated compartment within the dispenser. The AC10-PC model will dispense a dairy product in up to five different sizes from touch buttons on the front of the dispenser.

  • Page 5: Uncrating The Dispenser

    • Counters, platforms, or shelves should be strong enough to support the dispenser and full containers of product. The empty AC10-PC dispenser weighs 60 pounds. • Place the dispenser at the appropriate serving height so that people drawing product from the dispenser can operate the buttons as well as easily place and remove cups.

  • Page 6: Operations

    1. OPERATIONS CLEAN BEFORE FIRST USE OF THE DISPENSER • Make sure you clean the dispenser thoroughly. See Cleaning Instructions for the Exterior of the Dispenser and the Dispenser Components on pages 10 - 13. CAUTION: Before starting the dispenser, make certain that all Installation instructions have been followed and that the dispenser has been sitting upright for a minimum of 3 hours.

  • Page 7: Loading Product Bags

    LOADING: Product Bags NOTE: Product may be loaded in bags, bags in boxes, or in tanks. • All product tanks must be cleaned properly, sanitized with an approved sanitizing solution according to the manufacturer’s specifications, and air-dried before they are loaded into dispensers.

  • Page 8: To Remove An Empty Product Bag Or Tank

    Discard the empty product bag. 4. EMPTY TANK: Wash, rinse, sanitize and air-dry the product tank, using cleaning instructions on page 13. OPERATING INSTRUCTIONS – AC10-PC Dispensers • Make certain all initial Set-Up instructions have been followed before operating the dispenser.

  • Page 9: Red Indicator Light

    The Indicator Light will light for three seconds after the Modifier Button is pressed, to indicate that the size selected will be dispensed in Modifier amounts. The Indicator Light will flash to indicate the Modifier Button is in program mode (see page 28). LCD DISPLAY – AC10-PC Dispensers SureShot 37 F...

  • Page 10: Cleaning

    2. CLEANING Cleaning of tanks is a 4-stage process: Rinse, wash, rinse, sanitize. All 4 stages must be followed, in sequence, to complete cleaning. Do not spray any liquid, such as a cleaner, in or around the valve area. Liquid could damage electrical components located behind the valve. RECOMMENDED CLEANING SCHEDULE: DISPENSER PART FREQUENCY...

  • Page 11: Cleaning - Dispensing Valve Area

    CLEANING: Valve Area & Valves – Portion-Controlled Dispensers • The area around the product delivery valve must be kept clean, for proper sanitation and for the proper delivery of calibrated product amounts. If the valve area is not clean, the valve may stick and not deliver product accurately, or at all.

  • Page 12: Cleaning - Dispensing Valve Assembly

    Valve Assembly CLEANING: Remove & Clean Dispensing Valve Assembly NOTES: Prepare a container of warm, soapy water before you take the valve apart for cleaning. Be careful not to dislodge the cable during cleaning. 1. Turn the power to the dispenser OFF. 2.

  • Page 13: Cleaning - Product Tanks & Caps

    CLEANING: Product Tanks and Caps Product tanks and covers are made of either stainless steel or plastic. Tanks and caps may be washed in a dishwasher or by hand according to provincial and state regulations. If washing by hand, a pot brush is recommended.

  • Page 14: Refrigeration System

    3. REFRIGERATION SYSTEM AND TEMPERATURE ADJUSTMENT REFRIGERATION SYSTEM • The refrigeration system is a hermetically sealed system which uses environmentally friendly R134-A refrigerant. • If recharging of the system is required, the refrigeration technician should refer to the A. C. Dispensing Equipment Inc.

  • Page 15: Dispenser Running Too Cold

    Circuit Board Temperature Adjust R 36 Program If The Dispenser Is Running Too Cold: To increase the temperature or to make it warmer, turn the white center slot left or counterclockwise 1 hour to 11 o’clock. Allow this adjustment to take effect for 3 hours. If still not warm enough, adjust the Temperature Adjust to 10 o’clock and repeat the wait time.

  • Page 16: Maintenance

    4. MAINTENANCE To Reset the Power on the Dispenser: 1. Locate the Power Control ON/OFF switch on the front left of the dispenser. 2. Turn OFF the Power Control ON/OFF switch. 3. Locate the 3 Amp circuit breaker above the Power Control on/off switch. 4.

  • Page 17: Technical Service

    5. TECHNICAL SERVICE Leveling Dispenser • The dispenser must be placed on a level surface or leveled by adjusting the legs. The dispenser must be level to dispense accurate quantities and to ensure proper functioning of the refrigeration system. Not all dispensers have adjustable legs.

  • Page 18: Remove & Replace Lcd Display

    Remove & Replace LCD Display 1. Turn the power switch OFF. 2. Open the dispenser door. 3. Lift the inside door gasket to expose the 10 hex-headed screws. 4. Remove the steel back panel from the door by removing the 10 screws. 5.

  • Page 19: Remove & Replace Valve

    Remove & Replace Valve To Remove & Clean Valve Assembly – See Operations – Cleaning Valve, page ____ OR 1. Turn the power switch OFF. 2. Remove the valve cover by removing the 4 Phillips screws. 3. Open the valve front and remove the 3 Phillips pan-head screws. 4.

  • Page 20: Remove & Replace Display Thermistor

    Remove & Replace Display Thermistor 1. Turn the power switch OFF and unplug dispenser. 2. Remove the valve cover – remove the 4 Phillips screws. 3. Locate and disconnect the 2 grey and black wires (or 2 black wires) coming from AD1 connector found at the lower right corner of the circuit board.

  • Page 21: Remove & Replace Compressor Relay

    Remove & Replace Compressor Relay 1. Turn the power switch OFF and unplug dispenser. 2. Remove the valve cover – remove the 4 Phillips screws. 3. Locate the Electrical Panel holding the Circuit Board. 4. Unscrew and lower the Electrical Panel steel plate and gently turn it around – 4 hex/slot screws. 5.

  • Page 22: Remove & Replace Circuit Breaker

    Remove & Replace Circuit Breaker 1. Turn the power switch OFF and unplug dispenser. 2. Remove the valve cover – remove the 4 Phillips screws. 3. Locate the 3 Amp Circuit Breaker on the lower left side of the dispenser, toward the front. 4.
  • Page 23 Remove and Replace Solenoid 1. Remove valve cover. 2. Remove valve assembly, including the plunger and spring. 3. Disconnect the 2 white wires at the left side of the Circuit Board, at positions +24 and SOL1. 4. Remove the 4 Phillips screws holding the Solenoid bracket in place. 5.

  • Page 24: Remove & Replace Condenser Fan

    Remove & Replace Condenser Fan 1. Turn the power switch OFF and unplug dispenser. 2. Remove the valve cover – remove the 4 Phillips screws. 3. Locate the Electrical Panel holding the Circuit Board. 4. Unscrew and lower the Electrical Panel steel plate – 4 hex/slot screws. 5.

  • Page 25: Checks And Adjustments

    6. CHECKS AND ADJUSTMENTS AC Outlet for 120 VAC 1. Using a Digital Multi-Meter set to AC (~), place probes in the slotted sections of the wall outlet. The Digital Multi-Meter should read 110-120 VAC ± 3 Volts. If this voltage is 0 Volts AC, this may indicate a tripped Circuit Breaker in the building’s Electrical panel.

  • Page 26: Vdc Input Of Valve Thermistor

    DC 2.8 3.8 VDC input of Valve Thermistor Note: Turn the power off until you are ready to check. 1. Remove the valve cover – remove the 4 Phillips screws. 2. Locate the Valve Thermistor. 3. Check for +2.8 VDC +3.8 VDC between Pin 1 (IN) and Pin 2 (Gnd) on (J8) of the ‘TEMP.’...

  • Page 27: 120 Vac Input To Compressor Back

    38 VDC output to Solenoid Note: Turn the power off until you are ready to check. 1. Remove the valve cover – remove the 4 Phillips screws. 2. With the Digital Multi-Meter set to DC Volts, check for +24 +38 VDC (±) between pin 1 (+24) and Pin 2 (SOL 1) on J2 terminal strip.

  • Page 28: Proximity Switch Continuity Check

    Proximity Switch Continuity Check This switch activates the Reset function after full bags or tanks are loaded into the dispenser. The switch is located in the valve. The Check is done on the Circuit Board. Note: Turn the power off until you are ready to check. 1.

  • Page 29: Displayed Temperature Offset Check

    Displayed Temperature Offset Check 1. It is imperative that your dispenser’s temperature is stabilized for at least 24 hours before attempting an adjustment. 2. Place product or water at 38 °F in a container and place it in the refrigerated compartment for 24 hours. 3.

  • Page 30: Diagrams

    7. DIAGRAMS WIRING DIAGRAM:...

  • Page 31: Electrical System

    ELECTRICAL SYSTEM: Electrical System...
  • Page 32 CIRCUIT BOARD: Circuit Board: A = LCD connector B = button connector C = program mode switch (S3) D = display thermistor connector (AD1) E = “UP” and “DOWN” buttons (S1 & S2) for Displayed Temperature Adjustment F = temperature potentiometer adjustment G = transformer connector H = compressor relay connector + valve solenoid connector I = valve thermistor connector...

  • Page 33: General Assembly

    GENERAL ASSEMBLY:...

  • Page 34: Parts List

    8. PARTS LIST NOTE: The Item Number in the table below refers to the number on the General Assembly drawing on page 33. ITEM PART # DESCRIPTION E-21-002 A-99-005 COMPRESSOR ASSY E-13-019 POWER CORD – (WIRE HARNESS) E-14-001 3 AMP CIRCUIT BREAKER E-08-011 ON-OFF SWITCH –...

  • Page 35: Troubleshooting

    9. TROUBLESHOOTING (AC10-PC Refrigerated Liquid Dispensers) PROBLEM ACTION Dispenser is not level 1. Check to make sure all four legs at the bottom corners of the dispenser are in place. 2. Tighten any legs that are loose. 3. Make sure the legs are not bent.

  • Page 36: Valve Is Sticky

    The dispenser is not dispensing 1. Wrong dairy product is being dispensed – for example, skim istead of cream. the proper amount of product 2. Check to ensure that the system is reset properly. See page 16. 3. Make sure that the product delivery tube is inserted in the valve correctly since incorrect placement can affect product delivery.

  • Page 37: Dispenser Is Too Cold

    Dispenser is unusually warm on 1. Make sure any vents at the top and back of the dispenser are not blocked. the exterior 2. Make sure the dispenser is not too close to a heat-generating machine, such as a coffeemaker. Allow a minimum 1-inch airspace between machines at all times.

  • Page 38: Dispenser Is Leaking Product

    Dispenser is leaking product 1. Make sure the valve door is closed securely and its knob-screw is tightened properly. 2. Make sure the product dispensing tube is properly aligned in the centre of the delivery valve. 3. Check the tube for cracks or disfiguration. If the tube is cracked or disfigured, replace it.

  • Page 39: Warranty

    NORTH AMERICAN WARRANTY All dispensing equipment manufactured by A.C. Dispensing Equipment Inc. is warranted against defects in materials and workmanship for a period of one (1) year from the date of purchase. A. C. Dispensing Equipment Inc.'s obligation under this warranty is limited to the repair of defects as outlined by an A. C. Dispensing Equipment Inc.
  • Page 40 Questions? SureShot Dispensing Systems® Technical Assistance Center Toll Free: 1-888-777-9990 Tel: 902-865-9602 Fax: 902-865-9602 Email: service@sureshotdispensing.com ________________________________________________________________________________ Dear Service Partner, We sincerely appreciate your on-going support and commitment to offer our customers the very best in on-site technical service. We welcome your comments or suggestions on how we can improve the information contained within this Service Manual on theSureShot FlavorShot™...

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