Replace Circuit Breaker Module, Size Component | Graco A-25 guide

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

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

Contents

Important Safety Instructions Repair-Parts Contents Related Manuals Proportioner ModelsSystems Manual Description Electric 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 Checks E02 High zone current E03 No zone current E06 Communication cable unplugged E05 Control board over temperatureE99 Loss of communication Pressure Relief ProcedureShutdown Before Beginning Repair ParkFlushing Open Close Power TroubleshootingProblems Pumps and Pressures Problem Cause Solution Problem Cause Solution Electronics Problem 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 Motor Air Inlet Filter / Water Separator Auto Drain Air Filter Element InstallationRecirculation / Over Pressure Relief Block Air Filter Element Removal Connector Description Temperature Control ModuleTemperature Control Module Connections Bottom of Power Modules Replacing Temperature Control Assembly Modules Test SCR Circuit Heater Element Primary HeaterLine Voltage KW Dual Zone Heater Thermocouple Thermocouple Pins Result Overtemperature SwitchCheck Hose Connectors Heated Hose Installation Fluid Temperature Sensor FTSTest/Removal Transformer Secondary Check Replace Transformer Transformer Primary CheckModel Secondary Voltage Replace Circuit Breaker Module Size Component Pump Lubrication System Pump Lubrication System Refer to Reactor A-25 Wiring Schematic, Temperature DisplayFluid Inlet Strainer Screen Detail of Membrane Switches and Temperature Display Board Display Module Replace Battery Replace DataTrak Battery or FuseReplace Fuse Accessories Recommended Spare Parts Parts 7984 100 888 Torque pump locking nuts to 66-74 ft-lbs 90-100 Nm Part Description Qty Cart Nipple Control Panel Screw Wheel Kit Temperature ControlRef. Part Description Qty Fluid Manifold Fluid Inlet Kit Kw Dual Zone Heater, 24J788 Ring Air Motor Pump Assembly PLUG, Pipe Length Connection Outside Ft m From Air Tubing ConnectionsColor Diameter Breaker Module Reactor A-25 Wiring Schematic Phase POD Reactor A-25 Wiring Schematic Simplified Schematic, Heater Controls Technical Data Category Data Graco Standard Warranty Graco Information