Grindmaster LCD-2A Operation and Operation And Instruction Manual Download Page 1

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0910 Form # AM-328-04

Part # 63543

GRINDMASTER CORPORATION

™

Liquid Coffee Dispenser

Operation and Instruction Manual

for

LCD-2A

(Ambient Cabinet)

& LCD-2R

(Refrigerated Cabinet)

ABLE OF

ONTENTS

Prior authorization must be obtained from
Grindmaster Corporation for all warranty claims.

Introduction . . . . . . . . . . . . . . . . . . . . . . . . .2

User Replaceable Parts . . . . . . . . . . . . . . .3

Warning Labels . . . . . . . . . . . . . . . . . . . . . .4

Installation . . . . . . . . . . . . . . . . . . . . . . . . .5

How to Dispense a Cup of Coffee . . . . . . . . . .7

User Programming Instructions . . . . . . . . .8

Engineer Program Settings . . . . . . . . . . . .9

Cleaning Instructions . . . . . . . . . . . . . . . . 14

Troubleshooting Guide . . . . . . . . . . . . . . .16

Wiring Diagram . . . . . . . . . . . . . . . . . . . . .19

Grindmaster Corporation

™

4003 Collins Lane
Louisville, Kentucky 40245
(502) 425-4776 800-695-4500
(800) 568-5715 (technical service only)
FAX (502) 425-4664
www.grindmaster.com

Models LCD-2A and LCD-2R

Summary of Contents for LCD-2A Operation and

Page 1: ...Grindmaster Corporation for all warranty claims Introduction 2 User Replaceable Parts 3 Warning Labels 4 Installation 5 How to Dispense a Cup of Coffee 7 User Programming Instructions 8 Engineer Program Settings 9 Cleaning Instructions 14 Troubleshooting Guide 16 Wiring Diagram 19 Grindmaster Corporation 4003 Collins Lane Louisville Kentucky 40245 502 425 4776 800 695 4500 800 568 5715 technical s...

Page 2: ...ing programmed for that dispense head Optionally the machine can be fitted with 2 portion touchpads Follow the concentrate manufacturer s storage and shelf life recommendations Product flavor profile is extended with chilled product storage cabinet featured in the LCD 2R The refrigerated model LCD 2R incorporates a Solid State Thermoelectric cooling system which requires little maintenance Cleanin...

Page 3: ...Page 3 Model LCD 2R and LCD 2A User Replaceable Parts 0 1 2 3 0 4 5 61 4 5 6 1 3 ...

Page 4: ... at all times If one of your labels is missing or damaged order a replace ment label immediately Part 62981 Located on lower splash panel on front of dispenser Part 61321 Located behind the drip pan on the front of the dispenser Part 61319 Located on the outside on the back of the dispenser and on the outside on the electrical access panels Part 61325 Located on the drain hose inside the dispenser...

Page 5: ...legs and the bottom of the machine Tighten the front 4 legs to secure the drain tray bracket 3 Install the 2 back 4 legs and tighten 4 Install the plastic drain tray onto the drain tray bracket Note The drain tray is provided with a removable plug to allow for plumbing the drain tray to a drain 5 Install a 3 8 ID flexible water supply hose to the 3 8 male flare fitting on the back of the machine E...

Page 6: ...lower right side of the dispenser Note wiring diagram is on backside of access panel 5 Connect the power supply conductors neutral and ground wire to the appropriate positions on the terminal block located on the lower right side of the dispenser The ground lug is separate from the terminal block 6 Install the side access panel 7 Flip power supply to machine ON at the branch supply disconnect 8 Fl...

Page 7: ...dispense spout 4 Repeat steps for other dispense spout 5 Close front door and ensure that both water and product are dispensed simultaneously into cups when dispense switches are activated How to Dispense a Cup of Coffee On models with manual dispense pull handle switches 1 Place a cup under the selected drink dispense nozzle 2 Push and hold dispense switch until cup is full and then release switc...

Page 8: ... if incorrect then discard the water from the vessel and start again Use Up and Down buttons If by past experience the number for the desired volume is known then the volume can be set by pressing and holding the up and down buttons to set the count number Once the portion for the selection is set you can set another by pulling the relevant tap or press enter to set the Override portions You will ...

Page 9: ...which product sensors are used Pump 1 speed offset This is the calibration setting for the Regular coffee pump There are 2 settings one for continuous flow 50 1 and the other for pulsed dispenses 50 Pump 2 speed offset This is the calibration setting for the Decaf coffee pump There are 2 settings one for con tinuous flow 50 1 and the other for pulses dispenses 50 1 Note If the actual measured rati...

Page 10: ...boiler dis pense thermistor or both together Always select Dispense thermistor once calibrated Once you have scrolled through all these options the machine will revert back to Setup mode Machine Fault Codes 1 Overflow The Inlet valves may be blocked open The overflow float may have failed connections from the overflow float to the PCB may have failed 2 Water sensor fail The water sensor thinks the...

Page 11: ...og timer on the control chip has timed out the machine needs a reset Turn machine off wait 5 sec onds turn back on Programming Guide for Calibration of Mix Ratio refer to Figure D Figure D 1 The water dump valves are factory set to 60 ml sec 2 fl ounces per second If adjustment is required disconnect power to the machine and remove the left side access plate to gain access to the dump valves 2 Usi...

Page 12: ...r the dispense spout and activate the desired dispense switch and capture the dispensed water into the beaker NOTE Activating the dispense switch during the portion dispense cycle will cancel the portion Record the water volume and repeat at least 2 times to achieve an average dispense volume 3 Re enter the Engineer mode programming and re enable the concentrate pumps then disable the water delive...

Page 13: ...rage ml Override Portion Time ml second Water Flow Rate _____________ ml _____________ seconds _____________ ml second Dispensed Concentrate 1 _____________ ml 2 _____________ ml 3 _____________ ml Average _____________ ml Mix Ratio Calculation Average Dispensed Water ml Average Dispensed Concentrate ml MIX RATIO _____________________ ml ___________________ ml _____________ MIX RATIO Average water...

Page 14: ...dispensed from the spout 9 Flush soapy water by repeating steps 3 and 4 using one gallon 3 8L of very warm 150 F 65 56 C water without soap 10 Prepare one gallon 3 8L of food grade sanitizing solution in a container per manufacturer s recommendations and repeat step 4 until sanitizing solution is dispensed from the spout Let sanitizing solution work for 5 minutes then flush the concentrate line by...

Page 15: ...nd clamp until further instructed 3 Turn the power switch to the ON position The display should indicate lack of water within 12 seconds The 12 second delay signals that the heating element has been disabled due to the lack of water in the tank after it is drained Important If the display does not indicate lack of water within 12 seconds turn the power OFF to avoid burning out the heating element ...

Page 16: ...ommended whenever plumbing fittings are tightened or loosened This will help avoid twists and kinks in the tubing Make certain that all plumbing connections are sealed and all electrical connections are tight and isolated This dispenser is heated at all times Keep away from combustibles WARNING Exercise extreme caution when servicing electrical equipment Disconnect power from the power source when...

Page 17: ... Water is disabled in programming Check Engineer programming to ensure water is enabled NO CONCENTRATE IS DISPENSED Bag in Box is empty or disconnected Ensure Bag in Box is not empty replace with new Bag in Box if empty Bag in Box connector is pointing up This position can create a partial vacuum in the concentrate tube which may prevent product from being pumped to the dispense spout Position Bag...

Page 18: ...spense valve Replace dump valve CONCENTRATE CONTINUES TO DRIP FROM DISPENSE SPOUT Peristaltic pump tube is worn out Call for service Incorrect tubing installed Confirm that tubing is OEM part replace if necessary DRINK IS TOO WEAK OR STRONG Mix ratio needs adjustment Refer to Setup section of programming guide to alter Coffee and Decaf ratios Blocked pump and delivery tubing too weak Follow cleani...

Page 19: ...9 9 7 5 287 7 9 9 287 7 9 9 63 16 7 50 6725 7 1 7 50 6725 7 5 9 6 1625 63 22 5 7 50 6725 3 237 21 3 7 5 22 1 0 17 1 2 7 5 29 55 6 7 6 7 35 0 83 35 0 2 1 86 17 5 7 5 51 5 51 25 5 7 51 5 7 51 5 5 5 5 2 3803 237 6 1625 237 21 9 880 6 1625 2 237 6 1625 237 21 3803 21752 3 5 1 7 7 7 7 7 5 5 52 1 8 5 1 7 5 3 237 21 9 2 7 3 1 5 7 1 2 7 0 7 217 725 2 7 7 6 783 67 1 6 7 9 3RZHU QSXW 2 9 880 6 1625 OXH 5 7 ...

Page 20: ...everage Dispensers Crathco Cold and Frozen Beverage Dispensers AMW Coffee and Tea Systems Tel 502 425 4776 Fax 502 425 4664 1 800 695 4500 USA Canada only P O Box 35020 Louisville KY 40232 USA www grindmaster com email info grindmaster com Grindmaster Corporation 2009 PRINTED IN USA 0910 Form AM 328 04 Part 63543 ...

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