Cornelius JT20 manual

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Table of contents for the manual

  • Page 1

    J ET S PRAY (C OLD ) T RAINING M ANUAL ✔ C ARBON D IO XIDE ✔ W ATER ✔ S YRUP /C ON CENTRATE ✔ M ECHANICAL ✔ R EFRIGERATION ✔ C ONTR OLS & E LECTRICAL[...]

  • Page 2

    Jet Spra y (Cold) Tr aining Manu al Jet S pray (Cold) T raining Manual The products, technical information, and instructions contained in this manual are subject to change without notice. These instructions are not intended to cover all details or varia- tions of the equipment, nor to provide for every possible contingency in the installation, oper[...]

  • Page 3

    Jet Spr ay (Cold ) Training Manual T ABLE OF CONTENTS INTROD UCTION - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1 Preview Ques tions - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1 Key Things To Know / Do - - - - - - - - - - - - - - - - - - - - - - - - - - -[...]

  • Page 4

    Jet Spra y (Cold) Tr aining Manu al TROU BLESHOOTING - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 12 No Spray - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 12 Pump assembly - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - [...]

  • Page 5

    Jet Spra y (Cold) Tr aining Manu al © 2000, IMI Cornelius Inc. - 1 - INTRODUCTION 1. P REVIEW Q UESTIONS Check your current knowledge by taking a fe w minutes to answer the following questions: 1. The 5 and 3-gallon bowl assemblies are interchangeable on certain models? _____ T rue _____ False 2. Parts that contain Microban need not be cleaned on [...]

  • Page 6

    Jet Spr ay (Cold ) Training Manual - 2 - © 2000, IMI Cornelius Inc. 2. K EY T HINGS T O K NOW / D O ✔ W ork Safely! Always unplug/disconnect the power to the dispenser before servicing, and get help lifting the unit if it must be removed from the counter ! ✔ Make certain that you have adequate airf low around the unit for proper operation ! ?[...]

  • Page 7

    Jet Spra y (Cold) Tr aining Manu al © 2000, IMI Cornelius Inc. - 3 - 3. O VERVIEW 3.1 Product Description Product T ypes The visual cold drink dispenser can dispense a premixed dr ink from the follow beverage selections: • Powder based (sport drinks and Icsotonic) • Syrup based product (non-carbonated) • Pulpy products (fresh juice fr om con[...]

  • Page 8

    Jet Spr ay (Cold ) Training Manual - 4 - © 2000, IMI Cornelius Inc. 3.2 Dimensions & Cap acities JS7 Dispens ers: Flavors: - - - - - - - - - - - - - - - - - - - - - - - - - - - - - One Capacity: - - - - - - - - - - - - - - - - - - - - - - - - 5 gal. (19 L) V oltages: - - - - - - - - - - - - - - - - 1 15 volt/60 Hz, 240 volt/ 50 Hz Dimensions: [...]

  • Page 9

    Jet Spra y (Cold) Tr aining Manu al © 2000, IMI Cornelius Inc. - 5 - 3.3 Accessorie s Leg extension kit p/n S4056 No Cup Contact p/n S6469 Locking Kit p/n A3035 (JT -20), p/n A3036 (JT -30) Spray Drive Motor p/n A1753 INTRODUCTION[...]

  • Page 10

    Jet Spr ay (Cold ) Training Manual - 6 - © 2000, IMI Cornelius Inc. SYSTEM DET AILS 1. W ATER 1.1 W ater Quality W ater quality has an af fect on juice dispensing system s. • odor • taste • clarit y/foaming W ater filtration is rec ommended to assu re the bes t beverage taste . 2. M ECHANICAL 2.1 Pump Assembly / S pray Dri ve Assembly All un[...]

  • Page 11

    Jet Spra y (Cold) Tr aining Manu al © 2000, IMI Cornelius Inc. - 7 - • Check whipper switch for adjustment. If moved too far for ward, an air lock may occur , there by breaking the magnetic lock between whipper motor and whipper chamber assembly . T o adjust whipper switch, loosen screw to the right of the switch. Slide switch in slot to desired[...]

  • Page 12

    Jet Spr ay (Cold ) Training Manual - 8 - © 2000, IMI Cornelius Inc. 2.4 S pray V erses Circula te Certain products are not suited for spraying, including products that have pul p and those that foam. Jet Spray units can be r etro-fitted with circulator assemblies for pulpy or foamy products. • Circulator for foamy products #A1620, including ice [...]

  • Page 13

    Jet Spra y (Cold) Tr aining Manu al © 2000, IMI Cornelius Inc. - 9 - 3. R EFRIGERATION 3.1 Coo ling Thermosta t There is one thermostat on all of the cold product units. This thermostat is located against the eva porator coil of the unit. On the JT20 and JT30 units the thermosta t is mounted against the right hand evaporator coil when faci ng the [...]

  • Page 14

    Jet Spr ay (Cold ) Training Manual - 10 - © 2000, IMI Cornelius Inc. 3.8 Evaporators There are two types of eva porators on the Jet Spray cold products, coil and dome. It is important on both to remember to keep product above the top of the coils to insure proper cooling of the product and correct ope ration of the cooling system. Sometimes there [...]

  • Page 15

    Jet Spra y (Cold) Tr aining Manu al © 2000, IMI Cornelius Inc. - 11 - 4. C ONTROLS AND E LECTRICAL 4.1 Switches Separate spray and ref rigeration switches are located on the front of each dis- penser , excluding the JS7, JW6, and JW5. There are separate switches for each side of multi-bowl models. These switches can be tested by che cking the cont[...]

  • Page 16

    Jet Spr ay (Cold ) Training Manual - 12 - © 2000, IMI Cornelius Inc. TROUBLESHOOTING 1. N O S PRAY 1.1 Pump assembly Be sure the spray switch is ON Check impella magnet. Impella should spin freely . If it does not, remove and clean both impella and support pin. NOTE: Check that the Impel la assembly is in upright position, fins facing upward. Suga[...]

  • Page 17

    Jet Spra y (Cold) Tr aining Manu al © 2000, IMI Cornelius Inc. - 13 - 2. N OISE IN P UMP A SSEM BLY 2.1 Impella S paci ng Correct installation and maintenance of the impella is very important to efficient operation and the appearance of the product in the bowl. 2.2 Breaking Magnetic Lock The operation of the spray drive motor and impella is simple[...]

  • Page 18

    Jet Spr ay (Cold ) Training Manual - 14 - © 2000, IMI Cornelius Inc. 4. B OWL L EAK NOTE: Do not confuse condensation drippings on the outside of the bowl as leaks. High humidity causes more condensation. 1. Be sure the gaskets are proper ly placed in the grooves on the bowl and that there are no tears or cuts in the ga skets. 2. Check for foreign[...]

  • Page 19

    Jet Spra y (Cold) Tr aining Manu al © 2000, IMI Cornelius Inc. - 15 - 4. Replace side panels and restart unit. 5.3 Condenser Fan Motor The condenser fan motor is sealed at the factory and nee ds no lubrication. The motor can be checked in two ways; che ck for continuity , and check to see that power is present at the terminal block or terminal str[...]

  • Page 20

    Jet Spr ay (Cold ) Training Manual - 16 - © 2000, IMI Cornelius Inc. 2. Compressor will not start — hums but trips overload protector A. Improperly wir ed B. Low voltage to unit C. Relay not closing D. Compressor motor winding open or shorted E. Inter nal mecha nical trouble in compressor F . Liquid refrigerant in compressor A. Check wiring agai[...]

  • Page 21

    Jet Spra y (Cold) Tr aining Manu al © 2000, IMI Cornelius Inc. - 17 - 5. Unit runs OK but sh ort- cycl es on A. Overload protec tor B. Thermostat A. See “ Compressor s tarts but then short-cycles on overload protector ” above B. W iden differential 6. Unit operates long or continuously A. Refrigerant low B. Control contacts st uck closed C. Re[...]

  • Page 22

    Jet Spr ay (Cold ) Training Manual - 18 - © 2000, IMI Cornelius Inc. 9. Unit noisy A. Loose parts or mount- ing B. T ubing ra ttle C. Bent fan blade vibrat- ing D. W orn fan motor bear- ings A. T ighten B. Reform tubing C. Replace blade D. Replace motor PROBLEM (fault) CAUSE (diagnosis) ACTION (remedy) TROUBLE SHOOTING[...]

  • Page 23

    Jet Spra y (Cold) Tr aining Manu al © 2000, IMI Cornelius Inc. - 19 - A TT ACHMENTS The following attachments should be included with this lesson: JetSpray Car e And Cleaning Instructions TROUBLE SHOOTI NG[...]

  • Page 24

    Jet Spr ay (Cold ) Training Manual - 20 - © 2000, IMI Cornelius Inc. Micr oban Antibacterial Pr otection AT T A C H M E N T S[...]

  • Page 25

    Jet Spra y (Cold) Tr aining Manu al © 2000, IMI Cornelius Inc. - 21 - REVIEW DA TE: _______________________________________________ NAME: _______________________________________________ LOCA TION: __________________________________________ The following questions summarize important points in thi s training lesson. 1. It is acceptable to run the s[...]

  • Page 26

    Jet Spr ay (Cold ) Training Manual - 22 - © 2000, IMI Cornelius Inc. 8. What direction does the refrigerant flow during initial startup? ____________________________________________________________________ ____________________________________________________________________ 9. What direction does the refriger ant flow during the cooling cycle? ___[...]

  • Page 27

    Jet Spra y (Cold) Tr aining Manu al © 2000, IMI Cornelius Inc. - 23 - NOTES: _______________________________________________________________________ _______________________________________________________________________ _______________________________________________________________________ ________________________________________________________[...]

  • Page 28

    Part No. TP00936 March 9, 2000 IMI Corneliu s, Inc. www .co rnliu s.co m[...]