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Royal Vendors Merlin IV Service And Parts Manual

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Summary of Contents for Royal Vendors Merlin IV

  • Page 2 INTRODUCTION Introduction Welcome to the MERLIN IV Sen ice and Parts Manual find to be \ e n reliable This Sen ice and Parts Manual is designed to ease the programming of the Vender and to help understand the Lender as the Vender's major parts There is also a Troubleshooting problems Honeier.

  • Page 3: Table Of Contents

    SALE (sale counter) Mode ......................................................................................Con (configurations) Mode ..........................Mode ............................................... PAS (External Menu password setting) Mode .......................................... ECO (exact change mode) ........................... Merlin IV Service & Parts Manual...
  • Page 4 TABLE OF CONTENTS CONTINUED External Menu (accessible while in the “greeting” mode) ................SALE (sale counter) Mode ........................rtn (return to sales) Mode ........................Eror (errors) Mode ..................................................5. Vend Cycle Establishing Credit ........................Valid Selection ......

  • Page 5: General Information

    User friendl? menu st? le programming Refrigeration SJ sten1 and el en the lighting stem nith optional kit MERLIN IV utilires high torque 21 jolt to be \ e n strong and reliable calendar to control "built-in" timer (can displa! time on LED)

  • Page 6: Vender Identification

    SECTION 1 : GENERAL INFORMATION Both total (historical) and indn idual (resettable) The jecond initial ( I ; ) represents the !ear that the Vender as produced MERLIN IV can displa? the sale 1997 totals (historical) on the LED upoii opening the 1089 1992...

  • Page 7: Crcdit And Replacement Policy

    All vnrrant\ parts should be properl) nrapped and packed secureh to a\oid further damage Refrigera- tion iinits that are returned from the field and ha\e been tapped into. tampered not packaged If parts are not returned \\ithin Merlin IV Service Parts Manual...

  • Page 8: Vender Installation

    SECTION 2. VENDER INSTALLATION VOLTAGE REQUIREMENTS Vender Installation oltage of UNPACK THE VENDER The senice outlet \oltagc must not e x e e d 129 VAC or fall belon 101 VAC The Vender has a three prong three signs of damage at the time of deli\ e q If the Vender is grounded electrical outlet to protect the customer from an damaged.

  • Page 9: Loading Instructions

    See Figure 2 1 For packages not listed abo\e. use Figure 2 1 for reference Packages taller than 5 19" mi11 on14 than 5 19" \+ill Tend double depth Figure 2.0 Merlin IV Service Parts Manual...
  • Page 10 SECTION 2. VENDER INSTALLATION Rear Spacer Max. Front Retainers should be placed as close to the package as possible without making contact while still maintaining a clearance of 118” to 112”. atorade Package Front Retainers for Gatorade should be set in front of the bottle. FRONT Figure 2.

  • Page 11: Vender Component Explanation

    Your MERLIN IV Vender is equipped with a Main other electronic components (all of which have desig- Control Board which is responsible for most Vender nated position codes).
  • Page 12 SECTION 3. VENDER COMPONENT EXPLANATION Pins MERLIN IV CONTROL BOARD Standard LED Displa) Interface (Position P1) The four FUNCTION NUMBER COLOR YELLOW DISPLAY 5 VOLT DC the Vender's LED to the Control Board It allons the Control Board to send pomer to and conimunicate \\ith POWER the LED If this harness is cut or disconnected.
  • Page 13 SELECTION SWITCH COMMON SELECTION SWITCH # I 2 Control Board SELECTION SWITCH WIRE FUNCTION PINK SELECTION SWITCH #10 RETURN TO GROUND DROP SENSOR OUTPUT #1 BLACK DROP SENSOR OUTPUT # 2 RETURN TO GROUND Merlin IV Service & Parts Manual...
  • Page 14 SECTION 3. VENDER COMPONENT EXPLANATION Vend Motors (Position PSI The fourteen (14) wire DEX UCS Connection (Position P101: The three (3) harness connecting to this pinout pro\ ides cominon Hand Held Computer jack. located inside the Vender's There is one \\ire in this harness for each \end motor to main door (near the Control Board).
  • Page 15 Power to your Refrigeration System (compressor and condenser fan motor also will not run). With this connector. the wire harness can be in either position and the Control Board will not be affected. WIRE FUNCTION NUMBER COLOR NEUTRAL Merlin IV Service Parts Manual...

  • Page 16: Led Displa

    Vender plugged in Tp poaering the Vender doi\n and back up TA pressiiig the Control Your MERLIN IV Vender is equipped a IOU ~ o l t a g e Board's "mode button" plus check all connections aiid...

  • Page 17: L O U Lb!Tage Transformer

    Vender is plugged in Next check the transformer's e\ternal fiise for Check for continuity across the fuse nith a Loltage meter or similar de\ ice If defectire. replace the external fuse Merlin IV Service & Parts Manual...

  • Page 18: Deli\ Sc Chiire Sensor

    (Including Adjustment) Turn the screw counter-clockmise until the light just The MERLIN IV Vender is equipped mith a Deli\ e g goes out, Chute Sensor responsible for reporting to the Control Board the impact of product (on the delirer?, chute)

  • Page 19: Door Snitch

    SECTION 3. VENDER COMPONENT EXPLANATION When the Vender s main door is closed. the signal will Door Switch position. out of the norinall! open positioii here there is not currentl! connected a wire) This breaks the circuit to the Control Board and produce the Sales Mode This mode can also be acliieled b ! removing one Vend Mechanism) It is responsible for reporting to the (or both) of the \+ires from the snitch and lealing them...
  • Page 20 With MERLIN IV, the line of communication is a serial changer harness connected to position P3 of the Vender's Control Board OPERATION REQUIREMENTS The Control Board...

  • Page 21: Vend Motors

    LED displaq cq cles (indicating a end is in progress) This nil1 ensure a \slid selection n a s made Your MERLIN IV Vender is equipped nith indn idual Make sure there is a complete common circuit bj checking continuih nith a loltage meter (Vender results in a meclianicallj simple.

  • Page 22: Refriger;Rtion System

    SECTION VENDER COMPONENT EXPLANATION dropping of the refrigerant temperature changes the Refrigeration System apor to liquid. aporator Coil allon s the liquid refrigerant to Your Vender's Refrigeration S) stem comes as a coin- absorb heat from the cooling compartment as rates in the coil The falling temperature in the cooling or the warrant? \\ill be oided...
  • Page 23 SECTION 3. VENDER COMPONENT EXPLANATION Motor. located beneath the cooling department. are a forced air device using outside ambient air to cool the hich drans Ion pressure apor (refrigerant) from surface of the Condenser Coil. The Condenser Fan and the E\aporator Coil. compresses it. and forces it into the Motor nin Condenser under high pressure The motor is started and controlled b ! the temperature coiitrol...
  • Page 24 SECTION 3. VENDER COMPONENT EXPLANATION TESTING THE REFRIGERATION SYSTEM: (1 10 volts) travels from the Refrigeration Relay to the main wiring harness for the refrigeration unit. The sealed refrigeration unit can be tested by REFRIGERATION CYCLE: unplugging from the top of the main \\iring harness and plugging directly into a power source If the unit still does not operate.

  • Page 25: Vender Programming

    HOME printed board oiir electronics are for t\\o ( 2 ) seconds or greater] The MERLIN IV Vender's hlenu erratic problems could much hhe the Menu stein of thc Merlin I11 or problems 2 0 0 \o!ts i s cnorigli...
  • Page 26 Password Protected Menu. columns r t n Return to Sales: Used to return to the sales Return to Sales Used to return to the sales (greeting) mode (door closed state). r t n (greeting) mode (door closed state) Merlin IV Service Manual...

  • Page 27: S E N L I E Hlenll

    SECTION 4. VENDER PROGRAMMING EXTERNAL MENU take 1011 to "CPO". MODE DESCRIPTION SALE Sale Counter Mode Used to access the total and CLEARING ERRORS To clear an error. \lait until the end counts error to be cleared Return to Sales Used to return to the sales (greeting) mode (door closed state) in for at least (2) seconds and the error nil1...

  • Page 28: (Coin Tube F I L L ) Mode

    SECTION 4. VENDER PROGRAMMING Password Mode (PASS) Coin Tube Fill Mode (tUFL) This mode is used to keep in\ entory of This mode is used to access the Password the exact coin tube levels as each coin is inserted. Protected Menu (described later). The Password Pro- tected Menu contains all modes necessary for Vender During this mode.

  • Page 29: Pass\\Ord Protected Menu

    SECTION 4. VENDER PROGRAMMING Sale Counter Mode (SALE) Password Protected Menu This mode is e q similar to the Cash This menu must be accessed b\ entering the Senice Counter Mode The Sale Counter Mode allons modes needed for Lkiider programming The pass\+ ord Mode consists of a non-resettable total count and indn idual selectioii counts hich are resettable.
  • Page 30 CLEARING INDIVIDUAL COUNTERS If the Con- figurations Mode is set to allou the indn idual counters to be reset. the indibidual counters will reset upon reading at least one (1) of them and closing the Vender's Merlin IV Service & Parts Manual...
  • Page 31 If selection one is set at fifty cents, the display "ALL" follo-ed bq the lie!% " A L L price You may Pressing <enter> will flash "P followed by desired Merlin IV Service Parts Manual...
  • Page 32 Mode. pressing <home> \\ill return you to 3 t o S " Settings. to "Con" Factory Standard Space To Sales: Pressing <enter> at any Factory Standard ("Opt") Setting nil1 "lock particular Space to Sales Setting. Upon doing this, Merlin IV Service Parts Manual...

  • Page 33: Con (Configurations) Mode

    SdEP'.2fode, Cl i s present, set bjb present set by se!ection. proper Since the \end motors on a MERLIN IV Vender do not end regardless o i changer not be paid) Electro-Mechanical Venders. of p a ~ o u t a\ailabilih...
  • Page 34 "ALL and the current setting", the Control Board will enter the "ALL" Setting Mode The display will steadily shon "ALL" and flash the current StCL" setting Pressing <up> or <down> allows you to change the flashing setting beh+een 0 Merlin IV Service & Parts Manual...
  • Page 35 Pressing <up> n i l 1 take \ou to 'FriG Year Function ("YEAr") If <enter> is pressed \\hen the displa! shoms "YEAr". the Controller \\ill enter the \ear setting "tinE" function and the displah \\ill Merlin IV Service & Parts Manual...
  • Page 36 SECTION 4. VENDER PROGRAMMING Set Daj Function (5Etd') If <enter> is pressed PROGRAM MEANING when the displaj shoms .'SEtd'. the Controller \\ill enter this mode displaling a daj of the neek ON time for selections Pressing <up> or <down> allows to change the OFF time for selections day of the week When the desired day is selected.

  • Page 37: Frig (Refrigeration Parameters) Mode

    "yEAr" inode Note: This enter the Cut In Setting "FnG' function and the function set to 1 display \\ill she\\ the current Cut In Temperature Setting (Factoq setting 41°F) Pressing <up> or Merlin IV Service & Parts Manual...
  • Page 38 "FriG' function where the display s h o w "dSP". Relay Test Mode Menu returns you to the beginning From ''dSP'. pressing <down> will take you to of the Relaj Mode (\+here the display shons Unit Disable (Master On/Off) Function ("FrG.): If Merlin IV Service & Parts Manual...

  • Page 39: Pas (External Menu Password Setting) Mode

    External Menu Password Setting Mode (PAS) Setting Mode (LAnG) The MERLIN IV Vender gives you the opportunity to set With the MERLIN IV Vender. an international languages of English, French, Spanish. couiits externall? You are also able to read Vender errors "sold out."...

  • Page 40: Eco (Exact Change Mode)

    The display will flash indiridual selection counts (see Example 2 abole) If <home> is pressed anytime duriiig this operation. the Controller nill return to the -'SALE" displa) From "SALE". pressing <down> "rtn" (if present) Merlin IV Service & Parts Manual...

  • Page 41: Rtn (Return To Sales) Mode

    SECTION 4. VENDER PROGRAMMING Return to Sales / Greeting Mode (rtn) This mode used to exit the Evternal Meii~i and return to the Sales Mode u here the displa? flashes the greeting (ICE COLD or PEPS1 COLA) along \\ith an? other OPERATION If <enter>...

  • Page 42: Vend Cycle

    This is an indication to the customer a vend is in progress and to please wait. As the vend motor receives power, it will turn the rotor in an attempt to vend a can. Merlin IV Service & Parts Manual...

  • Page 43: Resetting Sold Out Selections

    SECTION 5: VEND CYCLE Sold-Out Upon selection. the displaq \\ill cqcle to shon the \end progress After ten to t v e h e (12) seconds (if a drop of product not detected). the displa! \\ill show "sold- out" A sold out ma? be due to The column attempted is jammed.

  • Page 44: Vender Maintenance

    General Maintenance WHAT TO CLEAN A routine cleaning schedule is the best way to insure the optimum possible operation and appearance from your MERLIN IV Vender. PART CLEANING METHOD The Vender's Control Board should always be enclosed inside its cover Control Board* to protect it.

  • Page 45: Using The Vender's Error Code System

    SECTION 6: VENDER MAINTENANCE Using the Vender's Error Code System The MERLIN IV Vender has a Built-in Error Code Diagnostic System that will help you troubleshoot and solve problems. This ?stem best used in conjunction with the Troubleshooting Section in the rear of this Manual. The error codes shown below consist of t\vo codes: a Main Error and a Detailed Error.

  • Page 46: Troubleshooting

    Troubleshooting Use the folloning section to troubleshoot lour MERLIN IV \ender in the case qou ha\e a problem in one of the follouing areas pouer. acceptance (coin or bill). \ending. or refrigeration Although \\e ha\e added \+hat Lie felt are the most encountered problems.

  • Page 47: Bill Acceptance

    SECTION 6: VENDER MAINTENANCE TROUBLE POSSIBLE CAUSE CORRECTIVE PROCEDURE Changer will not payout Defective harness between coin Check harness for cuts or wrong coins mechanism and Control Board connections. If defective, replace it. Defective coin mechanism Replace coin mechanism and test. If it pays out test the Control Board.

  • Page 48: Vending Problems

    SECTION 6: VENDER MAINTENANCE TROUBLE POSSIBLE CAUSE CORRECTIVE PROCEDURE Validator takes a bill and Controller’s configurations not Access the Venders Configurations Mode and allows payback of coins set properly check the “Forced Vend’ setting. without a selection VENDING PROBLEMS If from all selections: delivery Multiple vending Set Venders delivery sensor by turning the sensor cut, not properly grounded,...

  • Page 49: Miscellaneous Problems

    If so, change the LED. Remove all harnessing but LED lead and the power lead from transformer to Control Board. Check the new LED before mounting it in the Vender. If still bad, replace the Control Board and test. Merlin IV Service Parts Manual...

  • Page 50: Refrigeration Problems

    SECTION 6: VENDER MAINTENANCE TROUBLE POSSIBLE CAUSE CORRECTIVE PROCEDURE Display shows sold out Door switch wiring incorrectly Check for cuts on the ( 2 ) door switch connected. cut or pinched immechately upon wires going from the switch to the Control pressing select button Board.

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