ICE MACHINES Q-Model Service Manual

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Installation Instructions Section 2Remote Electrical Wiring Connections! WarningThese diagrams are not intended to show properwire routing, wire sizing, disconnects, etc., only thecorrect wire connections.All electrical work, including wire routing andgrounding, must conform to local, state and nationalelectrical codes.Though wire nuts are shown in the drawings, the icemachine field wiring connections may use eitherwire nuts or screw terminals.REMOTE ICE MACHINEWITH SINGLE CIRCUIT MODEL CONDENSER208-230/3/60 OR 380-415/3/50SINGLE CIRCUITREMOTECONDENSERF 2L 1L 2GROUNDNOTE: FANMOTOR IS208-230VREMOTE ICE MACHINEWITH SINGLE CIRCUIT MODEL CONDENSER115/1/60 OR 208-230/1/60ICEMACHINEF 1L 1L 1L 2L 2SINGLE CIRCUITREMOTECONDENSERL 1GROUNDNOTE:CONDENSER FANMOTOR VOLTAGEMATCHES ICEMACHINEVOLTAGE (115VOR 208-230V)SV1199L 3GROUNDL 3GROUNDTO SEPARATEFUSE/BREAKERREMOTE ICE MACHINEWITH SINGLE CIRCUIT MODEL CONDENSER230/1/50ICEMACHINESV1255L 1L 2GROUNDL 2L 1F 2F 1N=115V OR L2=208-230VL 2GROUNDTO SEPARATEFUSE/BREAKERSINGLE CIRCUITREMOTECONDENSERL 1L 2NOTE: FANMOTOR IS220-240VF 2ICEMACHINEF 1L 1L 1NNSV1256GROUNDGROUNDTO SEPARATEFUSE/BREAKER(220-240).DISCONNECT ALLPOLES.2-10 Part No. 80-1100-3
Section 2Installation InstructionsWater Supply and Drain RequirementsWATER SUPPLYLocal water conditions may require treatment of thewater to inhibit scale formation, filter sediment, andremove chlorine odor and taste.ImportantIf you are installing a Manitowoc water filter system,refer to the Installation Instructions supplied with thefilter system for ice making water inlet connections.WATER INLET LINESFollow these guidelines to install water inlet lines:• Do not connect the ice machine to a hot watersupply. Be sure all hot water restrictors installed forother equipment are working. (Check valves on sinkfaucets, dishwashers, etc.)• If water pressure exceeds the maximumrecommended pressure, obtain a water pressureregulator from your Manitowoc distributor.• Install a water shut-off valve for both the ice makingand condenser water lines.• Insulate water inlet lines to prevent condensation.DRAIN CONNECTIONSFollow these guidelines when installing drain lines toprevent drain water from flowing back into the icemachine and storage bin:• Drain lines must have a 1.5 inch drop per 5 feet ofrun (2.5 cm per meter), and must not create traps.• The floor drain must be large enough toaccommodate drainage from all drains.• Run separate bin and ice machine drain lines.Insulate them to prevent condensation.• Vent the bin and ice machine drain to theatmosphere. Do not vent the condenser drain onwater-cooled models.Cooling Tower Applications(Water-Cooled Models)A water cooling tower installation does not requiremodification of the ice machine. The water regulatorvalve for the condenser continues to control therefrigeration discharge pressure.It is necessary to know the amount of heat rejection, andthe pressure drop through the condenser and watervalves (inlet and outlet) when using a cooling tower onan ice machine.• Water entering the condenser must not exceed 90°F(32.2°C).• Water flow through the condenser must not exceed 5gallons (19 liters) per minute.• Allow for a pressure drop of 7 psi (48 kPA) betweenthe condenser water inlet and the outlet of the icemachine.• Water exiting the condenser must not exceed 110°F(43.3°C).Part No. 80-1100-3 2-11
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