Graco A-25 important safety instructions Replace Circuit Breaker Module, Size Component

Page 34

Repair

Replace Circuit Breaker Module

1. Turn main power OFF

. Disconnect power

supply. Turn circuit breakers on to test.

2.Relieve pressure, page 13.

3.Using an ohmmeter, check for continuity across cir- cuit breaker (top to bottom). If no continuity, trip breaker, reset, and retest. If still no continuity, replace breaker as follows:

a.Refer to electrical diagrams and table below. Disconnect wires and remove bad breaker.

NOTE: To reference cables and connectors, see the electrical diagrams and parts drawings on page 49 and 51.

b.Install new breaker and reconnect wires.

Ref.	Size							Component

CB1	50 A					Hose Secondary (single)

CB2	40 A					Hose Primary (double)

CB3	25 A							Heater A (double)

CB4	25 A							Heater B (double)

CB1 CB2 CB3 CB4

ti17569a

FIG. 12

34

3A1570A

Image 34

Contents Important Safety Instructions Repair-PartsContents Related Manuals Proportioner ModelsSystems Manual DescriptionElectric Shock Hazard Fire and Explosion Hazard Equipment Misuse Hazard Important Two-Component Material Information Changing Materials Temperature Control Diagnostic Codes DataTrak Diagnostic CodesSymbol Code Code Name Diagnosis Cause Sensor Connector Continuity Checks Pins Description Reading E01 High fluid temperatureCauses of E01 Errors ChecksE02 High zone current E03 No zone currentE06 Communication cable unplugged E05 Control board over temperatureE99 Loss of communication Pressure Relief ProcedureShutdown Before Beginning RepairParkFlushing Open ClosePower TroubleshootingProblems Pumps and PressuresProblem Cause Solution Problem Cause Solution ElectronicsProblem Cause Solution Heater See E04 Fluid Temperature SenSor FTS or thermocouple discon Hose Heat System Problem Cause Solution Repair Follow Pressure Relief Procedure,Disconnect Pump Connect Pump Install Air Motor Remove Air MotorAir Inlet Filter / Water Separator Auto Drain Air Filter Element InstallationRecirculation / Over Pressure Relief Block Air Filter Element RemovalConnector Description Temperature Control ModuleTemperature Control Module Connections Bottom of Power ModulesReplacing Temperature Control Assembly Modules Test SCR CircuitHeater Element Primary HeaterLine Voltage KW Dual Zone Heater Thermocouple ThermocouplePins Result Overtemperature SwitchCheck Hose Connectors Heated HoseInstallation Fluid Temperature Sensor FTSTest/Removal Transformer Secondary Check Replace Transformer Transformer Primary CheckModel Secondary Voltage Replace Circuit Breaker Module Size ComponentPump Lubrication System Pump Lubrication SystemRefer to Reactor A-25 Wiring Schematic, Temperature DisplayFluid Inlet Strainer Screen Detail of Membrane Switches and Temperature Display Board Display ModuleReplace Battery Replace DataTrak Battery or FuseReplace Fuse Accessories Recommended Spare PartsParts 7984 100 888Torque pump locking nuts to 66-74 ft-lbs 90-100 Nm Part Description Qty CartNipple Control Panel ScrewWheel Kit Temperature ControlRef. Part Description Qty Fluid Manifold Fluid Inlet KitKw Dual Zone Heater, 24J788 RingAir Motor Pump Assembly PLUG, PipeLength Connection Outside Ft m From Air Tubing ConnectionsColor Diameter Breaker Module Reactor A-25 Wiring Schematic PhasePOD Reactor A-25 Wiring Schematic Simplified Schematic, Heater Controls Technical Data Category DataGraco Standard Warranty Graco Information

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