Cornelius 000 Commpressor Operates, Continuousls but does, Not Form Sufficient ICE, Not Operating

Page 49

Trouble

Probable Cause

COMMPRESSOR OPERATES

E. Inoperative or disconnected

CONTINUOUSLS BUT DOES

pulse-modulating expansion

NOT FORM SUFFICIENT ICE

valve (see applicable

BANK (CONT’D)

REFRIGERATION FLOW

 

DIAGRAM).

F. Inoperative control board. No output from board to solenoids.

Remedy

E.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.

F.Check LED’s on control board to see if they are modulating. Check for 24V output to pulse modulating expansion valve (see WIRING DIAGRAM). If control board green LED is on and yellow LED Is flashing; but no 24V output, replace board.

NOTE: If overload protector cuts out compressor, condenser fan motor will continue to operate otherwise; troubleshooting condenser fan motor problem is same as for ‘‘COMPRESSOR DOES NOT OPERATE’’paragraph plus the following:

CONDENSER FAN MOTOR

Standard Cooling Unit with

NOT OPERATING.

Condenser Coil and Fan

 

Assembly

 

A. Jumper cord loose or

disconnected from condenser fan motor or terminals inside control box. Broken wire in cord.

A.Tighten connections or replace cord.

 

B.

Fan blade obstructed.

B.

Remove obstruction.

 

C.

Inoperative condenser fan

C.

Replace condenser fan motor.

 

 

motor.

 

 

 

Remote Condenser Coil and Fan

 

 

 

assembly.

 

 

 

A. Blown power circuit fuse.

A. Replace power circuit fuse.

 

B.

Fan blade obstructed.

B.

Remove obstruction.

 

C.

Inoperative condenser fan

C.

Replace condenser fan motor.

 

 

motor.

 

 

 

D.

Cooling unit contactor

D.

Replace Cooling Unit contactor.

 

 

inoperable.

 

 

 

 

 

 

 

AGITATOR MOTOR NOT

A.

Agitator motor propeller

A.

Remove obstruction.

OPERATING.

 

obstructed.

 

 

 

B.

Low voltage.

B. Voltage must be at least 208 volts

 

 

 

 

at compressor terminals when

 

 

 

 

compressor is trying to start

 

C.

Loose, disconnected, or

C. Tighten connections or replace

 

 

broken wiring.

 

broken wiring.

 

D.

Inoperative agitator motor.

D.

Replace agitator motor.

300381000

44

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Contents This Document Contains Important Information AURORAR10,000 Cooling UnitTable of Contents Table of Contents cont’d Table of Contents cont’d LOOSE-SHIPPED Parts Cooling Unit Description General DescriptionCooling Unit Model Numbers Design DataRemote Condenser Coil and FAN ASS’Y Data P/N System Theory of OperationFlow Diagram Typical Installation Identification of LOOSE-SHIPPED Parts Unpacking and InspectionSelecting Location Cooling UnitRemote Condenser Coil and FAN ASS’Y if Applicable Installing Cooling UnitPlacing Cooling Unit in Location 24VAC Power Transformer Connecting Electrical Power Circuit to Cooling UnitCooling Unit factory warranty Connecting CO2 Inlet Supply Line to Cooling Unit Connecting Plain Water Inlet Supply Line to Cooling UnitCooling Unit Space Required Placing Cooling Unit in Operating PositionOperation Preparing Cooling Unit for OperationStarting Carbonated Water Circulating Pump Starting Cooling Unit Refrigeration SystemActivating Syrup Systems Installing Line Identification Label Dispensing Station AdjustmentsAdjusting Water Flow Rate Leak Check and Insulating Cooling Unit Outlet LinesThis page Left Blank Intentionally Cooling Unit Carbonator Motor Switch Cooling Unit Refrigeration Power SwitchCooling Unit Circulating Motor Switch Operating ControlsAdjustments Cooling Unit Maintenance Cleaning and SanitizingCleaning CO2 GAS Check Valves Periodic Inspection Preparing Cooling Unit for SHIPPING, STORING, or RelocatingCleaning Condenser Coil Periodic CleaningChecking ICE Water Bath Changing ICE Water Bath FAN Assembly Item 4 300381000 Carbonator Liquid Level Control Switches Primary CO2 Regulator Carbonated Water Circulating Pump Motor LubricationIndex Part Name Secondary CO2 RegulatorsDaily Cleaning of Unit Adjusting Carbonators Tanks Liquid LevelsWater Flow Rate Wash Syrup Systems Sanitizing POST-MIX Syrup SystemsFlush Syrup Systems Water Flush Syrup Systems Sanitize Syrup SystemsPurge Water OUT of Syrup Systems Restore Operation Connecting External Carbonator to Cooling Unit Cleaning CO2 System GAS Check ValvesSyrup Flavor Change Carbonators CO2 Inlet Lines CO2 GAS Check Valve300381000 300381000 Wiring Diagram LOW-VOLTAGE System Model Number Wiring Diagram HIGH-VOLTAGE System This page Left Blank Intentionally Dispensed Drink TOO WATER-TO-SYRUP ‘RATIO’LOW or TOO High Carbonation TOO LOW Dispensed ProductComes OUT Dispensing Valve Clear But Foams in CUP Only Carbonated Water aDispensed CONT’D Only Carbonated WaterOnly Syrup Dispensed Carbonator MotorsErratic Cycling Operate Refrigeration PowerCarbonator Water Pump MotorOperate CONT’D Temperature SensingRefrigeration System Device and HIGH-PRESSURECommpressor Operates Bank CONT’D Refrigeration Flow DiagramContinuousls but does Not Form Sufficient ICEWarranty Page One Cornelius Place Anoka, Minnesota 612 800
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