Cornelius QUEST ELITE 4000 Service Manual
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Cornelius QUEST ELITE 4000 Service Manual

Quest elite 4000
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QUEST 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.

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Summary of Contents for Cornelius QUEST ELITE 4000

  • Page 1 QUEST 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: Contact Information

    Commercial Warranty. Cornelius will not be responsible for any repair, replacement or other service required by or loss or damage resulting from any of the following occurrences, including but not limited to, (1) other than normal and proper use and normal...

  • Page 3: Table Of Contents

    TABLE OF CONTENTS Safety Instructions..............1 Read and Follow ALL Safety Instructions .
  • Page 4 Cornelius Standard Service Call Guide ........

  • Page 5: Safety Instructions

    Quest Elite 4000 Service Manual SAFETY INSTRUCTIONS ALL S EAD AND OLLOW AFETY NSTRUCTIONS Safety Overview • Read and follow ALL SAFETY INSTRUCTIONS in this manual and any warning/caution labels on the unit (decals, labels or laminated cards). • Read and understand ALL applicable OSHA (Occupational Safety and Health Administration) safety regulations before operating this unit.

  • Page 6: Qualified Service Personnel

    Quest Elite 4000 Service Manual • Keep your unit in proper working condition and do not allow unauthorized modifications to the unit. UALIFIED ERVICE ERSONNEL WARNING: Only trained and certified electrical, plumbing and refrigeration technicians should service this unit. ALL WIRING AND PLUMBING MUST CONFORM TO NATIONAL AND LOCAL CODES.

  • Page 7: Mounting In Or On A Counter

    Quest Elite 4000 Service Manual OUNTING IN OR ON A OUNTER 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.

  • Page 8: Unit Specifications

    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).

  • Page 9: Recommended Clearance

    Quest Elite 4000 Service Manual Recommended Clearance 12” (30.48 cm) on top and 4” (10.16 cm) required in back for air circulation and 4” at the sides of the unit. Electrical Connection 6 ft. long (1.83 m) power cord with 3-prong plug attached to dispenser. Export models are shipped with a European plug.

  • Page 10: Water Connection

    Quest Elite 4000 Service Manual Water Connection 3/8 in. (0.95 cm) SAE male flare fitting on dispenser. Water Supply Requirements 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.

  • Page 11: Applications

    Quest Elite 4000 Service Manual APPLICATIONS This appliance is intended to be used in household and similar applications such as the following: • Staff kitchen areas in shops, offices and other working environments. • Farm houses and by clients in hotels, motels and other residential type envi- ronments •...

  • Page 12: Concentrate Handling And Loading

    OADING ONCENTRATE The Quest Juice Dispenser 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.

  • Page 13: Changing Concentrate Containers

    Quest Elite 4000 Service Manual HANGING ONCENTRATE ONTAINERS Dispense 1. Open the cabinet door and move the valve handle from the Flush position, see Figure 3. Dispense/Flush Levers Figure 3. Dispense/Flush Lever Location 2. Close the door. Depress and hold the dispense button (Figure 4) until clear water flows from the dispense nozzle.

  • Page 14: Brixing Procedure

    Quest Elite 4000 Service Manual BRIXING PROCEDURE NOTE: If concentrate is not properly thawed, it will adversely affect the amount of concentrate dispensed. Thawed product should be between 35°F/1.6°C to 40°F/4.4°C. UPPLIES • 1 - Small 12 oz. cup (354.8 ml) •...
  • Page 15 Quest Elite 4000 Service Manual Table 1. Flavor Ratio BRIX Lemonade 10.5 Tropical Punch 11.8 Sweetened Ice Tea Pineapple Juice 12.8 Prune Juice 16.0 5. To change the BRIX setting, simply readjust the water flow rate. Located on each of the valve assemblies inside the refrigerated compartment are the adjusting screws for the water flow rate (one per valve).

  • Page 16: Planned Maintenance Schedule

    Quest Elite 4000 Service Manual PLANNED MAINTENANCE SCHEDULE AILY Flush System 1. Move all of the Dispense/Flush levers (located on the platform assembly in Flush the refrigerated cabinet) to the position. Place an empty cup on the drip tray below each dispense nozzle (Figure 7).

  • Page 17: Clean Splash Zones & Dispense Nozzles

    Quest Elite 4000 Service Manual Clean Splash Zones & Dispense Nozzles 1. On a daily basis, clean the external cabinet and splash areas using a clean damp cloth. Remove and wash the cup rest and drip tray using mild dish soap.

  • Page 18: Sanitize Pump System

    Quest Elite 4000 Service Manual Sanitize Pump System 1. Fill a clean concentrate container with 2 quarts (1.9L) of fresh sanitizing solution. 2. Place Dispense/Flush levers (located on the platform assembly in the Dispense refrigerated cabinet) to the position.and close the door.

  • Page 19: Semi Annually

    Quest Elite 4000 Service Manual NNUALLY CAUTION: The following procedures require removal of the dispenser side panel(s). Disconnect the power cord (See Figure 11.) from the receptacle prior to proceeding. Figure 11. Pull AC Plug from Wall Outlet Clean Water Inlet Strainer 1.

  • Page 20: Check And Top-Off Water Ice Bath

    Quest Elite 4000 Service Manual Check and Top-Off Water Ice Bath 1. Remove the drip tray and lower splash panel. Lower Splash Panel Cup Rest Drip Tray Figure 13. Drip Tray and Cup Rest Full If the Ice bath level is below the indicator, top it off with water.

  • Page 21: Replacing The Tubing

    Quest Elite 4000 Service Manual Bottle Adapter Concentrate Water Inlet Juice Inlet Delivery Tubes Quick Connector Pump Body Screws Water Manifold Pump Motor BRIX Adjustment Screw Locking Latch Water Solenoid Front & Rear Pump Halves Figure 14. Interior Details 5. Slide the locking latch forward. Lift the platform slightly and pull forward to gain access to the electrical connector (see Figure 14).
  • Page 22 Quest Elite 4000 Service Manual Figure 15. Pump Body Screws 3. Remove ONLY the rear pump body half to reveal the pump tubing and rollers (See Figure 16). 4. Remove the old pump tubing from the pump body. If the roller assembly comes out with the tubing, place it back into the pump housing.

  • Page 23: Cleaning The Cabinet

    Quest Elite 4000 Service Manual Cleaning the Cabinet The cabinet bottom surface and walls should be inspected and cleaned annually according to the following steps: 1. Remove natural rubber nozzle bushing 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.

  • Page 24: Troubleshooting Guide

    The following tables contain trouble-shooting information intended to aid an experienced service person in diagnosing operational problems that may occur. For further assistance, contact the Cornelius Customer Services department at 800- 283-3600 between the hours of 7:30A.M. and 5:00P.M. Central Standard Time. You must have the model and serial number (Located on the right side of the dispenser) when calling.
  • Page 25 Quest Elite 4000 Service Manual Table 2 Symptom Probable Cause Remedy A. No water in dispenser. A. Restore water. No water dispensed, concentrate only B. Water supply line inside refrigerated B. Reconnect cabinet disconnected from pump plat- form. C. Disassemble & clean solenoid.
  • Page 26 Quest Elite 4000 Service Manual Table 2 Symptom Probable Cause Remedy A. Ambient air around dispenser is too A. Relocate dispenser. Warm drinks warm. B. Excessive demand on dispenser. B. Add water pre-cooler or second dis- penser C. Dirty condenser coil.

  • Page 27: Assembly Drawings

    Quest Elite 4000 Service Manual ASSEMBLY DRAWINGS Figure 18. System Wiring Diagram Quest Elite 4 FL © 2010-2014, Cornelius Inc. - 23 - Publication Number: 620048956SER...
  • Page 28 Quest Elite 4000 Service Manual Figure 19. Main Electrical Box Wiring Diagram Quest Elite 4 FL Publication Number: 620048956SER - 24 - © 2010-2014, Cornelius Inc.

  • Page 29: Cornelius Standard Service Call Guide

    CORNELIUS STANDARD SERVICE CALL GUIDE The parts warranty referenced in the Certificate of Warranty in this manual applies to the replacement of the defective part. Cornelius Inc. will not accept parts warranty claims for water leaks applicable to the installation, clogged drains, adjustments of any kind including regulators, pumps, thermostats, ratio, or brix settings, stratification issues, preventative maintenance, sanitizing, etc.
  • Page 30 Quest Elite 4000 Service Manual Publication Number: 620048956SER - 26 - © 2010-2014, Cornelius Inc.
  • Page 32 Cornelius Inc. www.cornelius.com...

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