Graco 3A0868G important safety instructions Solenoid Valves in Control Box

Page 34

Basic Operation

8.Purge as follows:

•Purge component A side. Press the manual override on the Dose Valve A solenoid valve and trigger the gun into a grounded metal pail.

•Purge component B side. Press the manual override on the Dose Valve B solenoid valve and trigger the gun into a grounded metal pail until clean solvent flows from the gun.

9.Reinstall the Control Box cover.

10.Shut off the solvent fluid supply.

11.Disconnect the solvent supply lines and reconnect the component A and B fluid supplies.

NOTE: The system remains full of solvent.

•Repeat to thoroughly clean the mix manifold.

Manual overrides

Solvent Valve A

Solenoid

Dose Valve A

Gun Flush Box Solenoid

ti15730a

Solenoid

location, if used.

 

 

 

Solvent Valve B

Dose Valve B

 

Solenoid

Solenoid

 

FIG. 19. Solenoid Valves in Control Box

34

3A0868G

Page 33 Page 35
Image 34
Page 33 Page 35
Contents ProMix 2KE Contents USB ModelsSeries Ratio Pumps Psi MPa, bar Port Approvals Models Related ManualsManual Description Special Conditions for Safe USE Fire and Explosion HazardElectric Shock Hazard Intrinsic Safety Skin Injection HazardToxic Fluid or Fumes Hazard Equipment Misuse HazardMoving Parts Hazard Personal Protective EquipmentImportant Two-Component Material Information Glossary of Terms Usage InstallationOverview Component Identification and DefinitionIntrinsically Safe Installation Requirements Hazardous Location InstallationNon-Hazardous Locations Requirements Display ModuleAir Supply Air regulator and bleed-type shutoff valveAir Connections Fluid SupplyFluid Connections Key SVA DVASVB DVB Tubing Chart and Diagrams Used only on is modelsGFB1-A ATOM-1 ATOM-2 Power Connection non-IS units only ElectricalGrounding Grounding IG . Display Module Display ModuleDisplay Key FunctionIcon Key Troubleshooting Run ModeSetup Mode Screen SummaryScreen User Input Range/Options Default Ranges for User InputsHome ErrorsPump Control RunSet-Up Home Password Configure RecipeMaintenance Calibration Set-Up HomeSystem Outputs System Outputs Set-Up Home System InputsMembrane Test Basic Operation Power OnInitial System Setup Pre-Operation TasksPrime the System Pump Calibration Calibrate the pumpBration 1 and 2 Screens 22 and 23, SprayingPurging Purging Mixed Material Purging Fluid Supply SystemPurging Mixed Material Purging Fluid Supply SystemSolenoid Valves in Control Box Lock Mode Pressure Relief ProcedureValve Settings ShutdownUSB Logs Error LogUse of Optional USB Module Job LogSetup Sample Error LogRecommended USB Flash Drives Download ProcedureUSB Port Run Home Screen Run Mode DetailsRun Mix Spray Screen Run Mix Batch ScreenRun Mix Totals Screen Run Log Errors ScreensRun Job Number Screen Run Pump Control Screen Run Pump Control ScreenPassword Screen Setup Mode DetailsSetup Home Screen Configure 1-4 Screens Confirm Change of System TypeConfigure 3 Screen 20 and Configure 4 Screen Recipe 1-1 Screen Recipe 1-2 ScreenRecommended Maintenance Maintenance 1-3 ScreensMaintenance Recommendations Component FrequencyTroubleshooting Screens Calibration 1 and 2 Screens 22Troubleshooting System Outputs Screen Troubleshooting System Inputs ScreenMembrane Test Screen General Operating Cycle, Dynamic Dosing Dynamic DosingSelect a Component B Restrictor Size Pressure Too High Pressure Too Low Pressure B Pressure B Control Range with Properly Sized RestrictorTo Clear Error and Restart System ErrorsSystem Alarms Air Flow Switch AFS FunctionSystem Idle Warning Idle Error Codes System Alarm/Advisory/Record CodesCommunication Error Alarm TroubleshootingAlarm and Description Cause Solution USB Communication ErrorEQU2 Pneumatic Schematic, page 66 or Alarm and Description Cause Solution SFA1 or SFB1PreMix Error PreFill ErrorRatio Low Error Already about equal, verify that comQDA1 QDB1Leak Error Alarm and Description Cause Solution QTA1 or QTB1Dose Time Error Linear Sensor ErrorPark Error Alarm and Description Cause Solution DDA1 or DDB1Diving/Cavitation Error Stall Up ErrorExample Dynamic Dosing Restrictor Selection GraphsRestrictor Sizes Size Code Orifice Size Differential Pressure between a and B Flow Rate cc/min Detail View500 1000 1500 2000 2500 3000 3500 4000 200 14 150 10 100 7 50 3.4 500 1000 Psi 40 2.8 30 2.1 20 1.4 10 0.7 500 1000 Schematics System Pneumatic SchematicPneumatic Schematic Non-Hazardous LocationAIR Flow Switch SIG Hazardous Location Electrical Schematic Fluid J4CONTROL ModulePower Supply Non-Hazardous Electrical Schematic Dimensions and Mounting Merkur Merkur BellowsOn-ratio accuracy Technical DataProMix 2KE Metric Noise levelGraco Standard Warranty Graco Information
Top Page Image Contents