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Quest Elite 4000 Service Manual

Publication Number: 620048956SER

- 4 -

© 2010-2014, Cornelius Inc.

UNIT SPECIFICATIONS

Figure 1. Unit Dimensions

Nameplate Data

Model QST ELITE 4000, 115 VAC, 5 amps, 1 phase 60 hertz, 6.70 – 6.77 oz. (190-
192g) R-134a refrigerant. Test press: High side 400 psi (2757.9 kilopascals), (27.6
bar). Low side 88 psi (606.7 kilopascals), (6.1 bar).

Model Quest ELITE 4000, 230 VAC, 2 amps, 1 phase 50 hertz, 6.70 - 677 oz. (190-
192g) R-134a refrigerant. Test press: High side 400 psi (2757.9 kilopascals) (27.6
bar). Low side 88 psi (606.7 kilopascals), (6.1 bar).

Concentrate Storage

Four 0.8 gallon (3.0 liter) disposable bottles.

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Summary of Contents for QUEST ELITE 4000

Page 1: ...T ELITE 4000 Service Manual Release Date December 18 2010 Publication Number 620048956SER Revision Date May 2 2014 Revision F Visit the Cornelius web site at www cornelius com for all your Literature needs ...

Page 2: ...g occurrences including but not limited to 1 other than normal and proper use and normal service conditions with respect to the Product 2 improper voltage 3 inadequate wiring 4 abuse 5 accident 6 alteration 7 misuse 8 neglect 9 unauthorized repair or the failure to utilize suitably qualified and trained per sons to perform service and or repair of the Product 10 improper cleaning 11 failure to fol...

Page 3: ...Electrical Connection 5 Power Supply 5 Water Connection 6 Water Supply Requirements 6 Ice Bank Pull Down 6 Applications 7 Plumbing Requirements 7 Concentrate Handling and Loading 8 Loading Concentrate 8 Changing Concentrate Containers 9 BRIXING Procedure 10 Supplies 10 Checking Adjusting the BRIX Setting 10 Planned Maintenance Schedule 12 Daily 12 Flush System 12 Clean Splash Zones Dispense Nozzle...

Page 4: ...p Off Water Ice Bath 16 Annually 16 Replace Pump Tubing and Clean Cabinet 16 Removing Pump Platform s 16 Replacing the Tubing 17 Cleaning the Cabinet 19 Troubleshooting Guide 20 Assembly Drawings 23 Cornelius Standard Service Call Guide 25 ...

Page 5: ...ot avoided COULD result in serious injury death or equipment damage CAUTION Indicates a potentially hazardous situation which if not avoided MAY result in minor or moderate injury or equipment damage SAFETY TIPS Carefully read and follow all safety messages in this manual and safety signs on the unit Keep safety signs in good condition and replace missing or damaged items Learn how to operate the ...

Page 6: ...ued protection observe the following WARNING Disconnect power to the unit before servicing following all lock out tag out procedures established by the user Verify all of the power is off to the unit before any work is performed Failure to disconnect the power could result in serious injury death or equipment damage CAUTION Always be sure to keep area around the unit clean and free of clutter Fail...

Page 7: ...048956SER MOUNTING IN OR ON A COUNTER WARNING When installing the unit in or on a counter top the counter must be able to support a weight in excess of 189 lbs 85 7 kg to insure adequate support for the unit FAILURE TO COMPLY COULD RESULT IN SERIOUS INJURY DEATH OR EQUIPMENT DAMAGE ...

Page 8: ...tz 6 70 6 77 oz 190 192g R 134a refrigerant Test press High side 400 psi 2757 9 kilopascals 27 6 bar Low side 88 psi 606 7 kilopascals 6 1 bar Model Quest ELITE 4000 230 VAC 2 amps 1 phase 50 hertz 6 70 677 oz 190 192g R 134a refrigerant Test press High side 400 psi 2757 9 kilopascals 27 6 bar Low side 88 psi 606 7 kilopascals 6 1 bar Concentrate Storage Four 0 8 gallon 3 0 liter disposable bottle...

Page 9: ...enser Export models are shipped with a European plug CAUTION ONLY trained and certified electrical technicians should replace the power cord or the unit should be returned to an Authorized Service Center for power cord replacement The replacement cord must meet all requirements of the original equipment manufacturer Failure to comply could result in serious injury death or damage to the equipment ...

Page 10: ...ments 60 psi 413 7 kilopascals 4 1 bar maximum static pressure 30 psi 206 8 kilopascals 2 1 bar minimum dynamic pressure i e flowing pressure measured at dispenser water inlet with 3 OZ 88 7 ml per second water flow Optimum recommended pressure 50 psi 344 7 kilopascals 3 5 bar dynamic pressure Ice Bank Pull Down Weight 14 16 lbs 6 35 7 25 kg Pull Down 3 5 5 5 hours at 75 F 24 C ...

Page 11: ... be capable of producing a minimum flow rate of 3 fluid ounces 88 7 milliliters per second A shut off valve should be installed in the line before the dispenser Install a regulator in the line when pressure is greater than 100 psi 690 kPa to reduce it to 50 psi 345 kPa The regulator is also necessary if the water source has pressure flucuations The main water inlet is a 3 8 9 52 mm MFL connection ...

Page 12: ...ispenser is designed to use either disposable juice concentrate containers or the optional Cornelius generic refillable container sold separately Figure 2 Refillable Concentrate Container 1 Thoroughly shake concentrate container prior to use 2 Place concentrate containers on the dispensing platform shelf inside the refrigerated cabinet 3 Engage the concentrate container by pressing it downward int...

Page 13: ...ever Location 2 Close the door Depress and hold the dispense button Figure 4 until clear water flows from the dispense nozzle Figure 4 Dispense Buttons 3 Open the cabinet door and return the handle to the Dispense position 4 Depress and hold the dispense button for 1 2 seconds This relieves water pressure from the concentrate pump system 5 Load the concentrate container see Figure 5 Figure 5 Loadi...

Page 14: ...aw a second 8 oz 237 ml drink 2 Check drink temperature with a accurate thermometer target is 35 to 45 F or 1 6 to 7 2 C Discard this drink after checking temperature NOTE If drink temperature is not within the target range refer to the basic troubleshooting section 3 Dispense a 12 oz 354 8 ml drink sample into a clean dry cup Thoroughly stir the sample using a straw 4 Using the straw transfer a s...

Page 15: ...steps 1 5 until the proper BRIX setting is achieved Figure 6 BRIX Adjustment IMPORTANT When making changes to the water flow control do not rotate more than 1 4 turn per adjustment Additionally prior to taking your next BRIX reading momentarily press the corresponding dispense button several times prior to drawing a sample This clears any remnants from the dispense nozzle AND helps move the flow c...

Page 16: ...pty cup on the drip tray below each dispense nozzle Figure 7 Figure 7 Platform Assembly with Dispense Flush Levers 2 Close the door and depress each dispense button for 2 3 seconds or until clear water flows from each dispense nozzle Figure 8 Dispense Buttons 3 Return the Dispense Flush levers to the Dispense position 4 Press each Dispense button for 1 to 2 seconds to release the water pressure pr...

Page 17: ... unit with hot water 2 Prepare two 2 oz 59 ml packets of Stera Sheen Green Label sanitizing solution or similar brand by dissolving each packet in 1 gallon 3 8L of potable water to insure 200 ppm of available chlorine IMPORTANT Use potable water at 80 F 100 F 26 7 C 37 8 C Water above this range breaks down the chlorine count and minimizes sanitation 3 Remove the juice concentrate containers and p...

Page 18: ...3 Press and hold the dispense button for 90 seconds then release Allow sanitizing solution to remain in the lines for 5 minutes Figure 10 Dispense Buttons 4 After 5 minutes dispense the remaining sanitizing solution Prepare Dispenser for Use 1 Replace sanitizing solution container with a concentrate container and close the door 2 Press and hold the dispense button until juice appears from the nozz...

Page 19: ...e dispenser 2 Turn off the water supply to the dispenser 3 Remove the access port from the Y shaped water inlet solenoid located on the right side of the dispenser See Figure 12 4 Clean and reinstall the stainless steel water strainer Figure 12 Right Side of Dispenser Clean Chassis Interior 1 Clean the condenser cooling fins 2 Clean the air inlet grilles located on the rear and top panels of the d...

Page 20: ...an Cabinet A replacement pump tubing kit part 45098 is available The kit consists of one pre cut length of pump tubing two white plastic hose clamps and instructions Removing Pump Platform s 1 Remove the concentrate containers from the dispenser and place them in a refrigerator 2 Remove the cabinet shelf that the concentrate containers sit on 3 Flush the system prior to removing the pump platform ...

Page 21: ...remove the pump platform see Figure 14 Replacing the Tubing When the pump platform has been removed replace the tubing by performing the following procedure 1 Remove the two white plastic hose clamps from the pump tube connections See Figure 14 and remove the concentrate delivery tubes from the hose ends 2 Loosen and remove the four screws from the pump body See Figure 15 Front Rear Pump Halves Pu...

Page 22: ...nd capture the lower part of the tubing with the outer housing then proceed to capture the shaft of the roller assembly and push the rear pump housing into place Make sure to capture the tubing within the body and not pinch it between the halves Do not use any tool other than your finger tips to manipulate the tubing into the housing or you may damage the tubing Figure 16 Pump Assembly 7 While hol...

Page 23: ...g gasket see Figure 17 and inspect it and silicone RTV If cracked clean off RTV and re apply using kit P N 729011013 per instructions provided with kit 2 Re apply nozzle bushing gasket so that the edges lie flat on the floor of the cabinet Figure 17 Nozzle bushing gaskets proper installation 3 Clean cabinet floor and walls of any spilled juice and let dry Use a mild soap detergent and plain water ...

Page 24: ... operating on the same circuit Also confirm that supply voltage is 10 of nameplate specification B Repair connection No Cooling A Line voltage not within nameplate specification causing compressor overload to trip B No water in water ice bath or water level extremely low exposing ice bank sensing probe C Defective Ice Bank Control or sensing probe D Cabinet fan inoperative resulting in warm concen...

Page 25: ...h No water no con centrate refrigeration is working A Black service switch located on the rear of the cabinet door in OFF posi tion B White door switch open C 6 25 amp fuse inside front electrical box blown D No output from transformer E Defective voltage regulator board VRB located inside front electrical box F Defective dispense push button or por tion control board A Turn on switch B Door switc...

Page 26: ...as temperature rises A Correct water supply problem to ensure a constant 50 psi 3 5 bar flowing to dispenser B Clean and or replace parts as neces sary C Concentrate should be 35 to 40 F 1 7 to 4 5 C prior to loading Pump inoperative A Pump motor defective B No power to transformer or no 24VAC output from transformer C Defective voltage regulator board VRB located inside front electrical box D Def...

Page 27: ...Quest Elite 4000 Service Manual 2010 2014 Cornelius Inc 23 Publication Number 620048956SER ASSEMBLY DRAWINGS Figure 18 System Wiring Diagram Quest Elite 4 FL ...

Page 28: ...Quest Elite 4000 Service Manual Publication Number 620048956SER 24 2010 2014 Cornelius Inc Figure 19 Main Electrical Box Wiring Diagram Quest Elite 4 FL ...

Page 29: ... brix settings stratification issues preventative maintenance sanitizing etc Cornelius Inc will consider only actual service time on the equipment Charges for mileage holiday pay night charges and overtime will not be considered All parts claim that are fare reasonable and within the terms of the warranty and allotted repair times will be paid in U S Dollars Any questions regarding the warranty pr...

Page 30: ...Quest Elite 4000 Service Manual Publication Number 620048956SER 26 2010 2014 Cornelius Inc ...

Page 31: ......

Page 32: ...Cornelius Inc www cornelius com ...

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