lancer 85-3322 Installation And Service Manual
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Contents
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6. Replace check valve in sanitizing container.7. Activate “PURGE BUTTON” for two (2) minutes ensuring concentrate lines are full ofsolution. Let solution stand for five (5) minutes without dispensing.8. For each valve, perform a second two (2) minute dispense and let stand for an additionalfive (5) minutes.9. Activate “PURGE BUTTON” until the sanitizing solution empties from the sanitizingcontainer.10. Remove check valve from sanitizing container, remove sanitizing container, and pour outany sanitizing solution that remains in the container.11. Repeat for each valve.12. Reinstall Minute Paks ®, and connect check valves in containers. Replace nozzles (seeFigure 17)13. Using the “PURGE BUTTON”, run the pump until only concentrate is dispensed, to removetraces of sanitizing solution from the dispenser.NOTEPlease note that a fresh water rinse cannot follow sanitization of equipment. Purge onlywith the end use product. This is an NSF requirement.14. Remove drip tray and cup rest. Wash thoroughly with warm, soapy water using a milddetergent. Rinse thoroughly with clean, warm water.15. Wipe the dispenser with a clean damp cloth, taking care to remove all product residue.16. Replace drip tray, and cup rest.17. Return key switch to “ON” position18. Pour approximately two (2) ounces of finished drink product to fill nozzle.3. OPERATING PRINCIPLES3.1 WATER SYSTEMInlet water is plumbed through a 1/4 turn ball valve, in the front of the dispenser, to a stainless steeltube (imbedded in the insulated tank assembly) where it connects to the copper Water Coil on theleft side of the ice bath tank. The water is chilled to below 40 o F and fed through a Vacuum Breakerto a distribution manifold. The manifold has four outlets that extend into the interior of the of therefrigerated compartment. Each outlet connects to a flow meter/solenoid valve which operates thewater flow and measures the amount of water that was dispensed.3.2 CONCENTRATE DELIVERY SYSTEMWhen the dispensing valve is activated, concentrate is drawn from the bottom of the concentratecontainer, up the integral dip tube and through the check valve and concentrate tube, to the inlet ofthe concentrate pump.It is metered by volume and pumped into the spout where it mixes with the water. The temperatureof the concentrate does not effect the °Brix as long as it is above 32°F (0°C). The volume output ofthe concentrate pump is controlled electronically and can be adjusted to change the °Brix.3.3 REFRIGERATION SYSTEMThe copper tube evaporator mounted to the compressor deck and located in the water bathcompartment of the insulated tank assembly, forms a ring of ice that weighs approximately21 pounds. Additional water in the compartment is continuously circulated in the compartment bythe agitator motor to maintain a constant 32 o F bath temperature. The copper water coil ismounted to the dispenser and is located directly below the ice bank.The insulated tank assembly is substantially fabricated out of aluminum plate. Heat is removed fromthe concentrate compartment through conduction to the ice bath. Cool air is circulated in thecontainer compartment by a small fan mounted to the back plate of the container compartment.When product is dispensed, water is drawn through the water coil and chilled. As ice is depleted,the ice bank control senses that the ice is melting and turns the compressor and condenser fan on.When the ice bank is rebuilt, the ice bank control turns the compressor and condenser fan motoroff. The compressor will periodically run to maintain the ice bank even though no drinks weredispensed. If power to the unit was disrupted while the compressor was running, the compressor8 |
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