Cornelius 10, 000 PLUS Compressor Operates, Continuously but does, Not Form Sufficient ICE Bank

Page 38

Trouble

 

Probable Cause

 

Remedy

COMPRESSOR DOES NOT

J.

Inoperable control board

J.

Replace control board.

OPERATE (con’t).

 

 

 

 

 

K.

Inoperable contactor

K.

Replace contactor.

 

L.

No voltage to control board.

L. Check for loose or broken wiring.

 

 

 

 

Check 240/24 VAC power

 

 

 

 

transformer for 24 VAC output.

 

 

 

 

(see NOTE below).

 

M.

Inoperable control board or

M.

Replace control board.

 

 

water/ice sensor PC board.

 

 

 

N.

Inoperable ICE SENSOR.

N.

Replace ICE SENSOR.

 

O.

EVAP IN, COND OUT, or

O.

Replace inoperable sensor.

 

 

EVAP OUT sensor is open,

 

 

 

 

shorted, or out of temperature

 

 

 

 

range.

 

 

P.Hydro Boostâ WATER SENSOR is shorted or open circuit.

P.Check for loose, broken, or disconnected wire or plug at pre-cool coil. Repair or replace wire or secure plug. If Hydro Boostâ WATER SENSOR is inoperable, replace sensor.

NOTE: Confirm which sensor has failed by using the Aurora Series System Analyzer (P/N 309197-000).

NOTE: The 240/24 VAC power transformer has an overload reset button located on its 24 VAC output side (see Figure 3). An overload on the transformer will cause its reset button to pop out disrupting the 24 VAC output to the main control board. Overload button must be pressed in to restore 24 VAC output.

COMPRESSOR OPERATES

A. Cooling capacity is exceeded

CONTINUOUSLY BUT DOES

by overdrawing.

NOT FORM SUFFICIENT ICE

 

BANK

 

A.Reduce amount of drinks drawn per given time.

B. Air circulation through Remote

B. Check and if necessary, clean

Condenser Coil and Fan

condenser coil as instructed.

Assembly Condenser Coil is

 

restricted.

 

C.Insufficient refrigerant charge. C. Check Cooling Unit sight glass for bubbles or liquid break. Find and repair refrigeration leak, the replenish refrigerant charge.

D.Inoperative or disconnected pulse-modulating expansion valve (see REFRIGERATION FLOW DIAGRAM).

D.Check that expansion valve is operating by touch (should be able to feel valve pulse).

Check for loose or disconnected wire to solenoid coil. If necessary, troubleshoot expansion valve with a gage set to see if it is opening. If expansion valve is not opening, suction pressure will be in a vacuum.

300614000

34

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Contents AURORAR10,000 Plus Cooling Unit This Document Contains Important InformationTable of Contents Table of Contents cont’d Dispensed Product Produces Foam AS IT Leaves Dispensing Cooling Unit CO2 Inlet Line CO2 GAS Check ValveWATER-TO-SYRUP ‘RATIO’OF Dispensed Drink TOO LOW or TOO Water Pump Motor Operates but Water Pump does not PumpGeneral Description Cooling Unit DescriptionCooling Unit Data System Theory of Operation Flow Diagram Typical Installation Selecting Location Unpacking and InspectionIdentification of LOOSE-SHIPPED Parts Cooling UnitRemote Condenser Coil and FAN ASS’Y Installing Remote Condenser Coil and FAN ASS’YInstalling Cooling Unit Placing Cooling Unit in LocationConnecting Electrical Power Circuit to Cooling Unit Connecting Plain Water Inlet Supply Line to Cooling Unit Cooling Unit factory warrantyConnecting CO2 Inlet Supply Line to Cooling Unit Placing Cooling Unit in Operating Position Preparing Cooling Unit for OperationService internal components or electrical wiring OperationAdjusting Water Flow Rate Dispensing Station AdjustmentsInstalling Line Identification Label Adjusting WATER-TO-SYRUP ‘‘RATIO’’ of Dispensed ProductCooling Unit Circulating Motor Switch Cooling Unit Refrigeration Power SwitchCooling Unit Carbonator Motor Switch Operating ControlsDaily PRE-OPERATION Check AdjustmentsCleaning and Sanitizing Replenishing CO2 SupplySanitizing Syrup Systems Cooling Unit MaintenanceCooling Unit Carbonator Maintenance Cooling Unit AIR Intake and Exhaust FiltersRemote Condenser Coil and FAN ASS’Y Maintenance Cleaning CO2 GAS Check ValvesPreparing Cooling Unit for SHIPPING, STORING, or Relocating Periodic CleaningCleaning Cooling Unit AIR Intake and Exhaust Filters Periodic InspectionRemote Condenser Coil and FAN Assembly Maintenance Changing ICE Water BathSee Figures 2 Parts Identification Secondary CO2 Regulators LubricationPrimary CO2 Regulator WATER-TO-SYRUP ‘‘RATIO’’OF Dispensed Product Daily Cleaning of UnitWater Flow Rate Sanitizing POST-MIX Syrup Systems Wash Syrup SystemsWater Flush Syrup Systems Flush Syrup SystemsSanitize Syrup Systems Purge Water OUT of Syrup Systems Restore Operation Replenishing Syrup Supply CO2 GAS Check ValveCooling Unit CO2 Inlet Line CO2 GAS Check Valve Cleaning CO2 System GAS Check ValvesSyrup Flavor Change 300614000 Wiring Diagram Dispensed Drink TOO AdjustmentWATER-TO-SYRUP ‘RATIO’ LOW or TOO HighComes OUT Dispensing Valve Clear But Foams in CUP Dispensed ProductCarbonation TOO LOW Only Carbonated Water aCarbonator Motor Only Carbonated WaterOnly Syrup Dispensed Warm Product BeingWater Pump Motor Operate Refrigeration PowerTemperature Sensing Operates but WaterNot Form Sufficient ICE Bank Compressor OperatesContinuously but does Condenser FAN Motor Wiring DiagramNot Form Sufficient ICE Not OperatingWarranty This page Left Blank Intentionally One Cornelius Place Anoka, Minnesota 612 800
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000 PLUS, 10 specifications

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