Graco 3A0868G important safety instructions Spraying, Purging, Bration 1 and 2 Screens 22 and 23

Page 32

Basic Operation

10.After the volume for A or B is entered, the ProMix 2KE controller calculates the new pump factor and shows it on Calibration 1 (Screen 22) and Calibra- tion 2 (Screen 23).

11.Before you begin production, clear the system of solvent and prime it with material.

a.Go to Mix mode.

b.Trigger the gun into a grounded metal pail until mixed material flows from the gun nozzle.

If the fluid flow rate is too low: increase air pres- sure to component A and B fluid supplies or increase the regulated fluid pressure of mixed material.

If the fluid flow rate is too high: reduce the air pressure to component A and B fluid supplies, close the dose valves further, or decrease the reg- ulated fluid pressure of mixed material.

4.Turn on atomizing air to the gun. Check the spray pattern as instructed in your spray gun manual.

Spraying

 

NOTE:

 

 

NOTE: See Run Mode Details, pages 39-41,for further

• Pressure adjustments of each component will

vary with fluid viscosity. Start with the same fluid

screen information, if needed.

pressure for component A and B, then adjust as

 

 

 

 

 

 

needed.

 

 

 

• Do not use the first 4-5 oz. (120-150 cc) of

 

 

 

material as it may not be thoroughly mixed due

1. Calibrate the pumps as described in Pump Calibra-

to errors while priming the system.

 

 

tion, page 31. Pump factors will update automati-

NOTICE

 

cally based on calibration results. Make additional

 

Do not allow a fluid supply tank to run empty. It is pos-

 

manual changes, if desired, as described in Cali-

 

bration 1 and 2 (Screens 22 and 23), page 46.

sible for air flow in the supply line to turn gear meters

 

Adjust the flow rate.

in the same manner as fluid. This can damage the

 

meters and lead to the proportioning of fluid and air

 

 

 

 

 

 

that meets the ratio and tolerance settings of the

2.

Press

. The system will load the correct potlife

equipment. This can further result in spraying

 

volume based on hose length and diameter entered

uncatalyzed or poorly catalyzed material.

 

 

 

on Configure 2 (Screen 19). Once material is

 

loaded, the system returns to Standby. Press again to spray the loaded recipe.

3.Adjust the flow rate. The fluid flow rate shown on the Display Module screen is for either component A or B, depending on which dose valve is open.

Flow rate

Purging

NOTE: See Run Mode Details, pages 39-41,for further screen information, if needed.

There are 2 purging procedures in this manual:

•Purging Mixed Material

•Purging Fluid Supply System

Use the criteria listed for each procedure to determine which procedure to use.

FIG. 18. Flow Rate Display

32

3A0868G

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Contents ProMix 2KE Contents Series Ratio Pumps Psi MPa, bar Port Approvals ModelsUSB Manual Description Related ManualsModels Electric Shock Hazard Fire and Explosion HazardSpecial Conditions for Safe USE Intrinsic Safety Skin Injection HazardEquipment Misuse Hazard Moving Parts HazardToxic Fluid or Fumes Hazard Personal Protective EquipmentImportant Two-Component Material Information Glossary of Terms Installation OverviewUsage Component Identification and DefinitionIntrinsically Safe Installation Requirements Hazardous Location InstallationNon-Hazardous Locations Display Module Air SupplyRequirements Air regulator and bleed-type shutoff valveFluid Connections Fluid SupplyAir Connections SVB DVB SVA DVAKey Tubing Chart and Diagrams Used only on is modelsGFB1-A ATOM-1 ATOM-2 Power Connection non-IS units only ElectricalGrounding Grounding Display Module DisplayIG . Display Module Key FunctionIcon Key Run Mode Setup ModeTroubleshooting Screen SummaryScreen User Input Range/Options Default Ranges for User InputsErrors Pump ControlHome RunSet-Up Home Password Configure RecipeMaintenance Calibration Set-Up HomeMembrane Test System Outputs Set-Up Home System InputsSystem Outputs Power On Initial System Setup Basic Operation Pre-Operation TasksPrime the System Pump Calibration Calibrate the pumpSpraying PurgingBration 1 and 2 Screens 22 and 23, Purging Mixed Material Purging Fluid Supply SystemPurging Mixed Material Purging Fluid Supply SystemSolenoid Valves in Control Box Pressure Relief Procedure Valve SettingsLock Mode ShutdownError Log Use of Optional USB ModuleUSB Logs Job LogSetup Sample Error LogUSB Port Download ProcedureRecommended USB Flash Drives Run Mode Details Run Mix Spray ScreenRun Home Screen Run Mix Batch ScreenRun Job Number Screen Run Log Errors ScreensRun Mix Totals Screen Run Pump Control Screen Run Pump Control ScreenSetup Home Screen Setup Mode DetailsPassword Screen Configure 1-4 Screens Confirm Change of System TypeConfigure 3 Screen 20 and Configure 4 Screen Recipe 1-1 Screen Recipe 1-2 ScreenMaintenance 1-3 Screens Maintenance RecommendationsRecommended Maintenance Component FrequencyTroubleshooting Screens Calibration 1 and 2 Screens 22Membrane Test Screen Troubleshooting System Inputs ScreenTroubleshooting System Outputs Screen Select a Component B Restrictor Size Dynamic DosingGeneral Operating Cycle, Dynamic Dosing Pressure Too High Pressure Too Low Pressure B Pressure B Control Range with Properly Sized RestrictorSystem Errors System AlarmsTo Clear Error and Restart Air Flow Switch AFS FunctionSystem Idle Warning Idle Error Codes System Alarm/Advisory/Record CodesAlarm Troubleshooting Alarm and Description Cause SolutionCommunication Error USB Communication ErrorEQU2 Alarm and Description Cause Solution SFA1 or SFB1 PreMix ErrorPneumatic Schematic, page 66 or PreFill ErrorRatio Low Error Already about equal, verify that comQDA1 QDB1Alarm and Description Cause Solution QTA1 or QTB1 Dose Time ErrorLeak Error Linear Sensor ErrorAlarm and Description Cause Solution DDA1 or DDB1 Diving/Cavitation ErrorPark Error Stall Up ErrorRestrictor Sizes Size Code Orifice Size Dynamic Dosing Restrictor Selection GraphsExample 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 BellowsTechnical Data ProMix 2KE MetricOn-ratio accuracy Noise levelGraco Standard Warranty Graco Information
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