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JET SPRAY (COLD)
TRAINING MANUAL
✔ CARBON DIOXIDE
✔ WATER
✔ SYRUP/CONCENTRATE
✔ MECHANICAL
✔ REFRIGERATION
✔ CONTROLS & ELECTRICAL
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Jet Spray (Cold) Training Manual Jet Spray (Cold) Training 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, operation or maintenance of this equipment. This manual assumes that the person(s) work- ing on the equipment have been trained and are skilled in working wit
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Jet Spray (Cold) Training Manual TABLE OF CONTENTS INTRODUCTION - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1 Preview Questions - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1 Key Things To Know / Do - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 2 Overview - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 3 Product Descr
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TABLE OF CONTENTS Jet Spray (Cold) Training Manual TROUBLESHOOTING - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 12 No Spray - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 12 Pump assembly - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 12 Spray Drive Motor - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 12 Noise in Pump Assembly -
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Jet Spray (Cold) Training Manual INTRODUCTION 1. PREVIEW QUESTIONS Check your current knowledge by taking a few minutes to answer the following questions: 1. The 5 and 3-gallon bowl assemblies are interchangeable on certain models? _____ True _____ False 2. Parts that contain Microban need not be cleaned on a regular basis? _____ True _____ False 3. All visual cold units use only one type of circulator for all products that are dispensed from the machine? _____ True _____ False 4. Is it possib
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INTRODUCTION Jet Spray (Cold) Training Manual 2. KEY THINGS TO KNOW / DO ✔ Work 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 airflow around the unit for proper operation ! ✔ Learn to use a good quality volt-ohm meter. Proper electrical trouble shoot- ing is impossible without it ! ✔ Always read the installation and operation manuals before set up ! ✔ Vi
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Jet Spray (Cold) Training Manual 3. OVERVIEW Cover Bowl Pump assembly Spray switch Refrigeration switch Dispense lever Grill/air vent Drip tray Access panel 3.1 Product Description Product Types The visual cold drink dispenser can dispense a premixed drink from the follow beverage selections: Powder based (sport drinks and Icsotonic) Syrup based product (non-carbonated) Pulpy products (fresh juice from concentrates; orange juice, apple juice, grape- fruit juice, lemonade) Foamy produ
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INTRODUCTION Jet Spray (Cold) Training Manual 3.2 Dimensions & Capacities JS7 Dispensers: Flavors: - - - - - - - - - - - - - - - - - - - - - - - - - - - - - One Capacity: - - - - - - - - - - - - - - - - - - - - - - - - 5 gal. (19 L) Voltages: - - - - - - - - - - - - - - - - 115 volt/60 Hz, 240 volt/50 Hz Dimensions: - - - - - - - - - - - - - - - - 7 3/4” W, 26 5/8” H, 17” D - - - - - - - - - - -
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Jet Spray (Cold) Training Manual 3.3 Accessories 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 © 2000, IMI Cornelius Inc. - 5 - INTRODUCTION
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INTRODUCTION Jet Spray (Cold) Training Manual SYSTEM DETAILS 1. WATER 1.1 Water Quality Water quality has an affect on juice dispensing systems. odor taste clarity/foaming Water filtration is recommended to assure the best beverage taste. 2. MECHANICAL 2.1 Pump Assembly / Spray Drive Assembly All units designed to spray, including those with optional whippers, incorporate a unique refrigeration design that keeps drinks consistently colder at any bowl level. The beverage is constantly ci
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Jet Spray (Cold) Training Manual Check whipper switch for adjustment. If moved too far forward, an air lock may occur, thereby breaking the magnetic lock between whipper motor and whipper chamber assembly. To adjust whipper switch, loosen screw to the right of the switch. Slide switch in slot to desired location. NOTE: When switch is moved to the forward position (out towards operator) whipper motor will come on with very little movement of the push handle. When switch is all the way ba
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SYSTEM DETAILS Jet Spray (Cold) Training Manual 2.4 Spray Verses Circulate Certain products are not suited for spraying, including products that have pulp and those that foam. Jet Spray units can be retro-fitted with circulator assemblies for pulpy or foamy products. Circulator for foamy products #A1620, including ice tea and coffee from con- centrate and some juice. #A1620 foamy circulator Circulator for pulpy products #S6737, including orange juice from concen- trate, fresh squeezed
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Jet Spray (Cold) Training Manual 3. REFRIGERATION 3.1 Cooling Thermostat There is one thermostat on all of the cold product units. This thermostat is located against the evaporator coil of the unit. On the JT20 and JT30 units the thermostat is mounted against the right hand evaporator coil when facing the front of the unit. The cooling or frost pattern for the JT30 flows from the center to the left then to the right. Upon reaching a predetermined temperature, the unit will cycle. All ther-
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SYSTEM DETAILS Jet Spray (Cold) Training Manual 3.8 Evaporators There are two types of evaporators 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 operation of the cooling system. Sometimes there is an ice build up around the evaporator. This is normal. When operating a multiple bowl unit, it is necessary to have liquid above the level of the evaporators in each bo
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Jet Spray (Cold) Training Manual 4. CONTROLS AND ELECTRICAL 4.1 Switches Separate spray and refrigeration 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 checking the continuity from one terminal to the other. They are either open or closed depending upon the position of the switch. 4.2 Spray Drive Motor Assembly To avoid electrical shock and death, use extr
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SYSTEM DETAILS Jet Spray (Cold) Training Manual TROUBLESHOOTING 1. NO SPRAY 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 Impella assembly is in upright position, fins facing upward. Sugar and solids can crystallize and cause impella to bind. Do not allow these materials to dry on parts. Bearing in impella could be worn causing impella to scrap the base of t
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Jet Spray (Cold) Training Manual 2. NOISE IN PUMP ASSEMBLY 2.1 Impella Spacing 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. The two magnets, one on the spray drive motor and one on the impella assembly, “lock” these com- ponents together. When that lock is broken it creates noise and/or an improper pumping act
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TROUBLE SHOOTING Jet Spray (Cold) Training Manual 4. BOWL LEAK 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 properly placed in the grooves on the bowl and that there are no tears or cuts in the gaskets. 2. Check for foreign material around domes where gaskets seat. 3. Check pinch tubes for holes or tears above the pinch off area, or for improper insertion. 4. Be sure condensate washers are a
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Jet Spray (Cold) Training Manual 4. Replace side panels and restart unit. 5.3 Condenser Fan Motor The condenser fan motor is sealed at the factory and needs no lubrication. The motor can be checked in two ways; check for continuity, and check to see that power is present at the terminal block or terminal strip. 5.4 Condenser Fan Blade The condenser fan blade pulls air through the condenser. If the blade is damaged or is not positioned correctly in the condenser shroud, the blade will not pu
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TROUBLE SHOOTING Jet Spray (Cold) Training Manual PROBLEM (fault) CAUSE (diagnosis) ACTION (remedy) 2. Compressor will not A. Improperly wired A. Check wiring against diagram start — hums but trips B. Low voltage to unit B. Correct problem overload protector C. Relay not closing C. Correct problem D. Compressor motor winding open or D. Replace compressor shorted E. Internal mechanical E. Replace compressor trouble in compressor F. Liquid refrigerant in F. Add crankcase heater compressor and
