Model 110400 Operation and Installation Manual
Contents
1. 4 Repeat steps 4 amp 5 9 When calibration is completed move Calibrate Switch to the OFF position The controller will reset and start up in the vend mode 10 Test all vend quantities for accuracy The calibration is stored in a non volatile memory that will not change until the calibration procedure is again performed 8 5 Options Switches Mode Selections DIP SW 1 Number of vend valves Off 1 valve On 2 valves DIP SW 2 Vend Switch Present Off No On Yes DIP SW 3 Flow meter or timed vend Off Metered vend On Timed vend DIP SW 4 UV flush Off No UV flush On UV flush On DIP SW 5 Option A Not assigned DIP SW 6 Option B Not assigned DIP SW 7 No lockout Off Lockout Enabled On No Lockout DIP SW 8 Vend switch Present Off No On Yes 8 6 Common LED Indicators Power This LED will illuminate when power is applied to the circuit board Program This LED will illuminate when programming mode is active Low Water This LED will illuminate when Low Water level is reached UV Bad This LED will illuminate when the UV lamp is bad Flood This LED will illuminate when the Flood switch is active 8 7 Vend Station LED Indicators There are four sets of these indicators one for each vend station These report the status of each individual vend station Credit This LED will illuminate when the credit lamp output is active Valve This LED will illuminate when the vend valve output is active Pump2. 4 4 Free Vend INSTALLATION amp WIRING Electrical Specifications 5 1 Coin Bill Acceptor Interface 5 2 Relay Outputs 5 3 Water Sensor Interface 5 4 Vend Accuracy Repeatability 5 5 Power Requirements 5 6 Enclosure Size 5 7 Operating Temperature 5 8 Storage Temperature 5 9 Relative Humidity Input Connectors 6 1 TB1 Control Inputs 6 1 1 Flood Switch Input 6 1 2 Low Water Low Pressure Input 6 1 3 UV Good Input UV Shut Down 6 2 TB2 Flow Sensor Inputs 6 3 TB3 Vend Switch Inputs 6 4 TB4 Lockout Inputs 6 5 P15 Circuit Board Power Input 24 VAC 6 6 TB10 Selector Switches Inputs Page 2 of 13 Page 4 Page 4 5 Page 5 6 Page 6 7 Page 7 Page 7 10 7 0 Output Connectors Page 10 11 7 1 TB5 Sold Out Relay Output 7 2 TB6 Credit Lamp Relay Output 7 3 TB7 Vend Valve 2 Relay Output 7 4 TB8 Pump Valve 1 Relay Output 7 5 TB9 Power Neutral Distribution Bus 7 6 P1 Display Output 7 7 P3 Multi Drop Bus Coin Bill Acceptor Interface SETUP amp PROGRAMMING 8 0 Switches amp Indicators Page 11 13 8 1 Clear Errors Pushbutton Switch 8 2 Free Vend Switch 8 3 Program Switch 8 4 Calibrate Switch Vend Volume Calibration Procedure 8 5 Options Switches Mode Selections 8 6 Common LED Indicators 8 7 Vend Station LED Indicators 8 8 Vend Station Status Display 9 0 Programming and Service See separate ESDI Model 110100 Programming and Service Manual Radiated Fre
3. during a Lockout condition a Low Water condition or a UV Lamp failure During the flush cycle the controller will go Sold Out and will not accept any coins The Status Display will indicate F during the flush cycle The flush cycle runs for a period of 3 seconds DIP switch 4 enables the Flush cycle option When this switch is ON the flush cycle will be enabled 2 3 Selectable Flow Meter or Internal Timer Controlled Vending Option This controller allows the option of using either an inline water flow sensor or an on board timer to accurately control the amount of water The board can accommodate many types of flow sensors however the maximum pulse count for a single vend is 65 535 counts and the maximum vend time is 7 minutes By far the best method for achieving accurate vending is to use an inline water flow sensor However it is possible to get accurate vending using the internal timer as long as the water flow remains constant throughout the entire vending cycle DIP switch 3 controls how the water is metered during the vending cycle In the OFF position the water is metered through an in line water flow sensor that sends out pulses related to water flow The pulses are counted and calibrated and provide a precise and repeatable vending quantity In the ON position water vending is controlled by an on board timer and no flow sensor is required 2 4 Selectable Vend Switch or Vend Upon Selection Option The controller has the
4. or flush cycle It will turn OFF terminating power when the vending or flush cycle is completed TB8 1 Pump output for Vend Station 1 TB8 2 Pump output for Vend Station 2 TB8 3 Pump output for Vend Station 3 TB8 4 Pump output for Vend Station 4 TB8 5 Relay Common Power Input 7 5 TB9 Power Neutral Distribution Bus Connect the power source NEUTRAL directly to each output item Do not mix voltages on this Bus TB8 1 Vend Station 1 TB8 2 Vend Station 2 TB8 3 Vend Station 3 TB8 4 Vend Station 4 TB8 5 Power Source Neutral Input 7 6 P1 Display Output The display board mounts on the front of the vending machine to communicate vending information to the customer It is also used in programming the MDB controller The display board connects directly to the display output connector P1 located on the back of the board 7 7 P3 Multi Drop Bus Coin Bill Acceptor Interface This 7 pin connector 1 centers interfaces to the MDB compatible peripherals The protocol is in compliance with NAMA s International Multi Drop Bus Interface Standard This connects directly to connector P3 located on the back of the board Setup amp Programming 8 0 Switches amp Indicators 8 1 Clear Errors Pushbutton Switch This switch will temporarily place the vend board in the Sales Programming mode This will reset any Sold Out errors Press and hold button for at least 3 seconds then release 8 2 Free Vend Switch This switch will place
5. 2 Item 9 TB10 11 Station 3 Vend Volume 3 SWCOMV3 TB10 12 Station 3 Station 3 Switch Common Item 10 TB10 13 Station 4 Vend Volume 1 Item 11 TB10 14 Station 4 Vend Volume 2 Item 12 TB10 15 Station 4 Vend Volume 3 SWCOMV4 TB10 16 Station 4 Station 4 Switch Common Do not connect any of these switches to the Common terminal Each switch must be an isolated momentary pushbutton type suitable for low current operation 7 0 Output Connectors All outputs are grouped by function All outputs are controlled by normally open relays Each group of relay outputs has one common input marked IN and outputs for each vend station V1 V2 V3 V4 Connect the power source HOT to the relay output IN terminal This is the power that will be switched to each of the vend outputs V1 V2 V3 V4 Connect the power source NEUTRAL directly to each item A Power Neutral Distribution Bus at TB9 is provided if all outputs use the same power neutral Do not mix output voltages on this Bus The relays are rated for 230VAC 3 amps maximum 7 1 TB 5 Sold Out Relay Output TB5 1 Sold Out Relay Contact NO TB5 2 Sold Out Relay Contact COM 7 2 TB6 Credit Lamp Relay Output This output will turn ON at the selected vend station after the board has received money and a selection has been made This lamp output indicates that credit has been accepted and vending will proceed upon activation of the Vend Switch This output will remain ON until a vend cycle be
6. The LED will illuminate when the pump output is active 8 8 Vend Station Status Display There is one Status display for each vend station The Status display is a single digit 7 segment LED that displays the vend station status and any error messages as follows Display 0 Waiting for customer Display 1 Item 1 Selected Display 2 Item 2 Selected Display 3 Item 3 Selected Display 4 Item 4 Selected Display 8 Tests all segments at start up amp reset Display E Excessive vend time Display F Flush cycle in progress Display L Low Water Display U System is in Lockout UV Bad Display C Calibration mode Page 13 of 13
7. flash on the display If the amount of card credit available exceeds the maximum displayable credit dependent on the scale factor the maximum credit will be displayed 4 2 Display Activity 4 2 1 Idle State The display will show 0000 when no switch or vend activity is present Program switch must be ON for coins to be manually ejected from changer tubes 4 2 2 Switch Echo When a selection switch is pressed the display will show the price of the selected item 4 2 3 Vend Process After a switch entry is made the controller will determine if sufficient credit is available and the status of the selection If the accumulated credit is greater than or equal to the selection price and the selection is available a selection attempt will be made for that selection If credit is less than the selection price the price will be displayed for 3 seconds or until a new selection switch is pressed If the selection is not available No Sale will flash for 2 seconds along with the Make Alternative Selection LED or until a new selection is made 4 2 4 Change Payment A least coin payout algorithm will be implemented Program switch must be ON for coins to be manually ejected from changer tubes 4 2 5 Use Correct Change LED If the level of the changer s least value coin tube is below the lowest sensor the Use Correct Change LED will be illuminated continuously 4 2 6 Power Up and Reset Initialization Following a power
8. up or reset condition the display will test all of the LED segments by displaying patterns This will continue until the peripherals and controller have been initialized 4 3 Internal Vend and Cash Counters Following a successful vend the vend counter will be incremented by one and the cash counter will be incremented by the price of the selection vended Counter rollover occurs at 99 999 999 and 999 999 99 respectively Note Test vends are not included in the counter totals Page 6 of 13 4 4 Free Vend The free vend option allows the customer to free vend items in the machine with no credit input The message FrEE will be shown on the display and all credit acceptance will be disabled whenever the free vend option is enabled Disabling the free vend option will return the controller to the normal sales mode The controller will automatically go into the free vend mode during calibration Installation amp Wiring 5 0 Electrical Specifications 5 1 Coin Bill Acceptor Interface NAMA MDB Multi Drop Bus Protocol COINCO 9302 GX or equal 5 2 Relay Outputs All Any Voltage up to 230 VAC 3 Amps Max 5 3 Water Sensor Interface GEMS Turbine Flow Sensor FT 110 Part No 173935 3800 Pulses per Gallon Or similar type See 5 1 1 5 4 Vend Accuracy Repeatability 0 5 5 5 Power Requirements Board amp MDB Peripheral 24 VAC 60 50 Hz 2 0 Amp Nominal Note some MDB peripherals may require more c
9. vend station 1 selection switches COM V2 connects to vend station 2 and so on These SWCOM V signals are only active when that vend station is available Otherwise when the station is busy the SWCOM will be Off and will not make the selection It is important not to mix these signals with any selection switches of other vend stations or problems will occur The ESDI 110400 is available in either of the following configurations ESDI 110400 2X4 Two vend stations Four 4 volumes each Selection Sw Conn Pin Description Item 1 TB10 1 Station 1 Vend Volume 1 Item 2 TB10 2 Station 1 Vend Volume 2 Item 3 TB10 3 Station 1 Vend Volume 3 SWCOMV1 TB10 4 Station 1 Station 1 Switch Common Item 4 TB10 5 Station 1 Vend Volume 4 Item 5 TB10 6 Station 2 Vend Volume 5 Item 6 TB10 7 Station 2 Vend Volume 6 Page 9 of 13 SWCOMV2 TB10 8 Station 2 Station 2 Switch Common Item 7 TB10 9 Station 2 Vend Volume 7 Item 8 TB10 10 Station 2 Vend Volume 8 ESDI 110400 4X3 Four vend stations Three 3 volumes each Selection Sw Conn Pin Description Item 1 TB10 1 Station 1 Vend Volume 1 Item 2 TB10 2 Station 1 Vend Volume 2 Item 3 TB10 3 Station 1 Vend Volume 3 SWCOMV1 TB10 4 Station 1 Station 1 Switch Common Item 4 TB10 5 Station 2 Vend Volume 1 Item 5 TB10 6 Station 2 Vend Volume 2 Item 6 TB10 7 Station 2 Vend Volume 3 SWCOMV2 TB10 8 Station 2 Station 2 Switch Common Item 7 TB10 9 Station 3 Vend Volume 1 Item 8 TB10 10 Station 3 Vend Volume
10. ESDI Model 110400 MultiPrice Water Vending Machine Controller Two Four Vending Stations One Pay Station Uses NAMA MultiDrop Bus MDB Protocol Operation and Installation Manual Also see Programming amp Service Manual WARNING ELECTRICAL SHOCK HAZARD AUTHORIZED PERSONNEL ONLY EXPOSED 120 VAC ON CIRCUIT BOARD THE CIRCUIT BOARD HAS MANY EXPOSED AREAS THAT ARE AT 120 VAC CONTACTING ANY OF THESE AREAS CAN CAUSE BODILY HARM OR DEATH DISCONNECT POWER BEFORE SERVICING AND MAKING ANY CONNECTIONS April 23 2014 By M A Stern Electronic Systems Design Inc 1010 North Maclay Ave San Fernando California 91340 USA Phone 818 365 0864 Fax 818 365 1308 Web Site www esdi net Page 1 of 13 1 0 2 0 3 0 4 0 5 0 6 0 Table of Contents OPERATING INSTRUCTIONS amp FEATURES General Description Controller Features 2 1 Selectable Single and Dual Flow Rate Vending 2 2 UV Flush Option Hot water removal 2 3 Selectable Flow Meter or Internal Timer Controlled Vending 2 4 Selectable Vend Switch or Vend Upon Selection 2 5 Maximum Vend Run timer 2 6 Lockout Option Water Vending Machine The Basic Machine Payment Transaction 4 1 Credit Accumulation 4 2 Display Activity 4 2 1 Idle State 4 2 2 Switch Echo 4 2 3 Vend Process 4 2 4 Change Payment 4 2 5 Use Correct Change LED 4 2 6 Power Up and Reset Initialization 4 3 Internal Vend and Cash Counters
11. are currently two different main menus available See further for more details on programming 8 4 Calibrate Switch This switch will place the controller into the Calibration mode In the Calibration mode the operator can set all of the vend quantities and store them in memory See calibration procedure that follows Vend Volume Calibration Procedure The calibration procedure allows the board to be programmed to dispense any twelve volumes of water and not just limited to 1 3 and 5 Gallons When using a water flow sensor the maximum count for a single vend is 65 535 counts This allows a wide variety of flow sensors to be used When using the Internal Vend Timer the maximum vending time is limited to approx 7 minutes maximum with a 2 second resolution If vend time is exceeded the Status Display will show E In the calibration mode the vend switch is used to start and stop the water dispensing If the vend switch is not used then the selector switch will act as the vend switch The vend switch can be pressed and released multiple times to add water while adjusting the vend volume If the vend switch remains idle for longer than 8 seconds the calibration for that item will terminate and the data will be stored in memory At this time the Status display will show C and the next item can be selected for calibration How Two Valve Operation Works During calibration the 2 valves to 1 valve scheme will work the same as described abo
12. by two vend valves This will allow for a shorter vend time and a sharper turn off with no overflow Both valves are open at first for a faster flow rate When the water gets closer to the fill line one valve will close thus slowing down the flow rate and stopping without overflowing Visual information showing money deposited is provided by a four digit 7 segment LED display and two discrete LED s that indicate Use Correct Change and Sold Out This display is on a stainless steel plate separate from the circuit board and mounts to the front of the machine Additionally four single digit displays one for each station and 17 single LED s are located on the ESDI 110400 control board providing feedback to the technician on the operation and status of the machine The maximum number of products is twelve 12 Please see data sheet or web site for a variety of vending possibilities amp options The ESDI 110400 XXxX is available in the following configurations XXX Vend Stations Volumes Each Total Products 2X3 Two 2 Three 3 Six 6 2X4 Two 2 Four 4 Eight 8 3X3 Three 3 Three 3 Nine 9 3X4 Three 3 Four 4 Twelve 12 4X3 Four 4 Three 3 Twelve 12 2 0 Controller Features 2 1 Selectable Single and Dual Flow Rate Vending Option The controller has a dual flow rate option to vend water using one or two vending valves When using two vending valves both valves will open at the beginning of the water vending When t
13. f the vend switch is not used the vending will begin immediately upon making the selection If the vend switch is not used then turn OFF Option switches 2 and 8 Without the vend switch during calibration the selection switch will act as the vend switch and vending will begin upon making a selection All inputs are low voltage 5VDC Signals are either open or closed DO NOT APPLY ANY VOLTAGES TO THESE INPUTS OR CIRCUIT BOARD MAY BE DAMAGED TB3 1 Vend switch input for Vend Station 1 TB3 2 Vend switch input for Vend Station 2 Page 8 of 13 TB3 3 Vend switch input for Vend Station 3 TB3 4 Vend switch input for Vend Station 4 TB3 5 Signal Ground Connect to each Vend Switch 6 4 TB4 LockOut Inputs The Lockout Input allows an external device to disable the controller Any external device such as a UV lamp monitor or any other device supervising the controller operation A contact closure on this input will allow the controller to operate normally and an open will disable the controller If this input is not used set the OPTIONS switch 7 to the On position and it will follow the common UV Lamp input If a lockout condition occurs it will stop any vending immediately and go to lockout The controller will NOT automatically reset and requires a manual reset from a technician When a vend station is in lockout that vend station will go Sold Out and will not allow any vending The Status Display will indicate U when in lockout All inp
14. gins then it will turn OFF This output can be used to illuminate the Vend switch or a lamp over the vend station TB6 1 Credit lamp output for Vend Station 1 TB6 2 Credit lamp output for Vend Station 2 TB6 3 Credit lamp output for Vend Station 3 TB6 4 Credit lamp output for Vend Station 4 TB6 5 Relay Common Power Input 7 3 TB7 Vend Valve 2 Relay Output This output is used to control a Vend Valve The function of this valve is selected by the OPTIONS Valve 1 2 switch 1 In the OFF position only one valve and or pump will be used to vend the water Page 10 of 13 and this valve will work as follows This valve will open at the same time the pump output turns ON and will turn off the same time the pump output turns OFF If the OPTIONS Valve 1 2 switch 1 is in the ON position two vend valves or pumps will be used for a two valve vending operation This output will connect to either a vend pump or a vend valve or both The output will turn ON at the beginning of vending It will turn OFF when the vending time for this valve is completed TB7 1 Vend valve output for Vend Station 1 TB7 2 Vend valve output for Vend Station 2 TB7 3 Vend valve output for Vend Station 3 TB7 4 Vend valve output for Vend Station 4 TB7 5 Relay Common Power Input 7 4 TB8 Pump Valve 1 Relay Output This output will connect to either a vend pump or a vend valve or both The output will turn ON allowing power to pass at the beginning of vending
15. he container is filled close to the top one of the valves will close leaving only one valve open This will slow down the water vending as it reaches the fill mark This will allow for a faster vend cycle with less chance for overfill If the dual flow rate is selected then during calibration two valves will open Pump and Vend Valve Outputs When the vend switch is released both valves will stop Thereafter pressing the vend switch will activate the Pump output only Upon vending the two valves will open and will change to only one valve at the same point the vend switch was first released during the calibration cycle If the single flow rate is selected the vend cycle will be as follows The vend valve will open at the same time the vend pump will turn On At the end of the vend cycle the vend pump will turn Off at the same time the vend valve will close Page 4 of 13 2 2 UV Flush Option Hot Water Removal Option An optional UV flush cycle is provided to periodically discard hot water that is left standing in the UV lamp assembly and refresh the vending system in general This water is discharged out the vend nozzle and into the drain The flush cycle runs for a period of 3 seconds When enabled a flush cycle will occur as follows Upon each power up and manual reset Periodically every 30 minutes after the last vend The flush cycle will not run if there is credit pending if the system is in the process of vending water
16. no flood If the flood switch should again becomes inactive the vending machine will reset itself after a 1 minute delay A manual reset power off and on will reset controller 6 1 2 Low Water Low Pressure Input Is there water to vend This input is connected to a water level sensor located at the lowest level of the reservoir We recommend that the level sensor be placed such that there is at least 5 gallons of water remaining If a low water condition is detected when the controller is idle the controller will go to No Sale and will not accept coins If a low water condition is detected while vending the controller will complete the vending and go No Sale The controller will automatically reset 5 minutes after the low water condition is no longer present An open circuit on this input indicates a low water condition A contact closure on this input will indicate the water level is good 6 1 3 UV Good Input UV Shut Down The UV Good input monitors the relay output from a UV lamp Choose a UV lamp assembly with an internal circuit that monitors the lamp and has an isolated relay output to indicate a failure An open circuit will indicate a bad UV lamp and the controller will shut down A contact closure on this input will allow the controller to operate normally If this input is not used place a jumper between UV Status Input and Common A manual reset power off and on will reset controller TB1 1 Flood Input TB1 2 Low Water In
17. option to begin vending upon pressing the selection switch or waiting for a separate Vend switch to be activated before vending A separate Vend switch allows the customer time to make his payment and then walk over to the vend station and place his container before the vending begins Without this Vend switch the container will need to be in place first prior to making a selection DIP switch 2 amp 8 determines if the vend switch will be used In the OFF position a vend switch is not used and vending will begin upon activating the Selection switch If a vend switch is used place the two switches to the ON position 2 5 Maximum Vend Run Timer The controller has an internal maximum run timer for the water vending only It is factory set to approx 90 seconds beyond the normal vending time If this time is exceeded the controller will stop vending go Sold Out and will not accept coins The Status Display will indicate E A manual reset power off wait 5 seconds then power on will restart the controller If the Maximum run time is exceeded and the Low Water switch is active at that time the controller will reset itself automatically after 60 minutes if the Low Water switch has become inactive 2 6 No Lockout Option If the lockout inputs are not used set the options DIP switch 7 to the ON position to disable these inputs In the OFF position the lockout input will be monitored See section 6 4 for more information 3 0 Wa
18. put TB1 3 UV Good Input TB1 4 Spare Input TB1 5 Signal Ground 6 2 TB2 Flow Sensor Inputs Used for metered vend only not used for a timed vend This input is for an external inline water flow sensor As water passes through the flow sensor it sends out pulses The controller counts these pulses and compares it to the calibrated amount predetermined in memory The controller can accommodate many different types of water meters however the maximum count per a single vend is 65 535 counts One that works very well is the GEMS Turbine Flow Sensor FT 110 Series P N 173935 3800 Pulses per Gallon max Power in the form of 5VDC is provided to power the flow sensors For each input connect the Flow Sensor output to the appropriate input V1 V4 the Flow Sensor Power to 5V OUT and the Common to GROUND TB2 1 Flow sensor input for Vend Station 1 TB2 2 Flow sensor input for Vend Station 2 TB2 3 Flow sensor input for Vend Station 3 TB2 4 Flow sensor input for Vend Station 4 TB2 5 Signal Ground Connect to each Flow Sensor TB2 6 5VDC Output Connect to each Flow Sensor 6 3 TB3 Vend Switch Inputs An Optional Vend Switch can be used to hold off the water vending allowing the customer time to walk over to the vend station and place their bottle under the nozzle This switch becomes enabled after money is placed in the machine and the selection has been made This input should be normally open A contact closure will start the vending I
19. quency Protection It is recommended that the controller board be shielded from radiated frequencies using a metal cover It is further recommended that service personnel or persons gaining access to the internals of the machine observe proper ESD control measures to prevent damage to the machine It may be necessary for the OEM to place a line filter in the machine if external or internal sources cause conducted noise levels Page 3 of 13 ESDI Model 110400 Water Vending Machine Controller Two Four Station MDB MultiPrice Installation amp Operation Manual Operating Instructions amp Features 1 0 General Description The ESDI Model 110400 is a Four Station MultiPrice Water Vending Machine Controller that controls all of the functions necessary to operate an unsupervised four station bulk water vending machine It is designed to vend three volumes of water from each of four vending stations twelve volumes total Each of the twelve volumes is easily set by the technician during a calibration procedure Vend volumes can be any quantity limited only by the maximum vend time of 7 minutes or a maximum flow sensor count of 65 535 The Model 110400 interfaces to any payment device that is in compliance with NAMA s International Multi Drop Bus Interface Standard October 19 1993 such as the COINCO 9302 GX coin changer bill acceptors prepaid cards and credit cards The Model 110400 has an optional dual flow rate controlled
20. ter Vending Machine The Basic Machine Customer deposits money Customer presses Selection Switch selecting vend station water volume and price Money balance is shown on display The Credit Lamp will illuminate at the appropriate vend station Customer presses the Start Vend switch at the vend station Without the vend switch vending will begin upon making selection akRWN Page 5 of 13 6 The Credit lamp will turn off 7 The Vend Valve amp Pump will turn on and run until the proper amount of water has vended 8 If there is still a money balance an additional selection can be made or the coin return button can return the balance in coins 4 0 Payment Transaction 4 1 Credit Accumulation Credit may be accumulated through a coin changer bill acceptor or card reader mechanism Card reader credit cannot be mixed with coin and bill credit during a single transaction or vend Credit acceptance will be disabled when the accumulated credit equals or exceeds the highest priced item Cash box coins and bills are enabled on an individual basis according to the inventory coins available Cash box coins and bills will be enabled if the coinage currently held in the changer s inventory tubes is greater than the coin or bill to be accepted plus the credit currently accumulated by the controller If all of the configured selections are sold out credit acceptance will be disabled No Sale will
21. the controller into the Free Vend mode where all items are free In the Free Vend mode the controller will vend any item selected without requiring deposit of any money The Page 11 of 13 Free Vend is automatically set during the calibration mode when calibrating the vending volumes for each item 8 3 Program Switch This switch places the vend board in the Sales Programming mode The Program switch must be ON for coins to be manually ejected from changer tubes This switch will also reset any sold out items turn ON for 3 seconds The program switch places the controller into the programming mode for price setting access to all sales information or to eject coins manually from the changer Set Program Mode Switch ON up to start the programming mode Selector switch 1 is used to move up the program menu Selector switch 2 is used to move down the program menu Selector switch 3 is used to enter the selection when pressed for less than 2 seconds Pressed for 2 seconds or longer can take the controller out of the programming mode The controller will not return to the program mode until the Program switch is first returned to the OFF position This is because the off position is how the program mode is reset Menu System When programming you must first use the first 3 selector switches listed above to maneuver through menus and sub menus before you will be allowed to accomplish your task Each menu consists of various items or modes There
22. urrent up to 4 Amps max Vend Pump amp Valves 24 120 VAC 60 50 Hz 3 Amps Max Operating Voltage Range 22 VAC 32 VAC 50 60 Hz Power Transformer 120VAC 60 50 Hz Input 24VAC Output Internally fused Not replaceable 5 6 Enclosure Size 8 X 11 X 6 5 7 Operating Temperature 32 F to 150 F 0 to 65 C 5 8 Storage Temperature 22 F to 167 F 30 to 75 C 5 9 Relative Humidity 20 to 95 non condensing 6 0 Input Connectors The terminal blocks on the board are pluggable and can be pulled from the board without having to remove the individual wires from the terminal block It is recommended that all wiring be UL type 1015 20 AWG minimum The power input and pump output should be 18 AWG minimum The terminal blocks will accommodate up to a 16 AWG wire The maximum current rating for the connector is 8 Amps 6 1 TB1 Control Inputs All inputs must be isolated contact closures DO NOT APPLY ANY EXTERNAL VOLTAGES TO INPUTS OR BOARD MAY BE DAMAGED 6 1 1 Flood Switch Input This input should be connected to a Flood Switch The Flood switch is usually a float type switch that is placed at a low level in the cabinet such that if there is a flood in the machine the float switch will activate Upon activation the controller will shut down the vending machine and show No Sale An open circuit on this input indicates a flood condition A contact closure on this input will indicate there Page 7 of 13 is
23. uts are low voltage 5VDC Signals are either open or closed DO NOT APPLY ANY VOLTAGES TO THESE INPUTS OR CIRCUIT BOARD MAY BE DAMAGED TB4 1 Lockout Input for Vend Station 1 TB4 2 Lockout Input for Vend Station 2 TB4 3 Lockout Input for Vend Station 3 TB4 4 Lockout Input for Vend Station 4 TB4 5 Signal Ground Connect to each lockout switch 6 5 P15 Circuit Board Power Input 24 VAC This input should be connected to a 24 VAC transformer Operating voltage range is 22 VAC 32 VAC 2 0A Minimum 50 60 Hz The transformer should be mounted outside the enclosure to prevent excess heat inside the enclosure This circuit board operates from an external 24 VAC power source and requires less than 1 Amp The current requirement of the power source however depends largely on the MDB peripherals that are used and powered by this board Therefore to size the transformer one must total up the current requirement for all 24VAC devices driven by this board In most cases a 24VAC transformer with a 40VA rating should work P15 is located on the back of the board P15 1 Power Input 24VAC P15 2 Power Input 24VAC_Ret 6 6 TB 10 Selector Switch Inputs The product selector switch inputs are located on the back of the control board connector TB10 The selector switch inputs select the water product and volume for vending A contact closure to SW COM V1 2 3 4 to any of these inputs will select that product Note COM V1 is the common for
24. ve The first Selector switch release will end the 2 valves and subsequent dispensing will be done with one valve This will allow the calibration to be more easily accomplished from the front of the machine using only the selection switches During the calibration process the Money display will say No Sale If the selection switch is idle for 8 seconds or more the calibration of that item will end and the Money display will no longer say No Sale The next item can then be selected and calibrated The Calibration procedure is performed as follows 1 Move Calibrate Switch to the ON position 2 Display will show C indicating the calibration mode 3 Set Free Switch ON and activate the selection switch to select vend quantity 1 Indicator will show 1 Page 12 of 13 4 Place a calibrated measuring container in the vend chamber 5 Activate and hold the Vend switch on until the desired amount of water has vended Release the Vend switch and the vending will stop The display will show C indicating completion The calibration information will be stored in non volatile memory Repeat or go on to next switch 6 Activate the selection switch to select vend quantity 2 Indicator will show 2 Repeat steps 4 amp 5 7 Activate the selection switch to select vend quantity 3 Indicator will show 3 Repeat steps 4 amp 5 8 Activate the selection switch to select vend quantity 4 Indicator will show
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