B&B Electronics 1140 Service Manual

310633COperationProMix™ IIFor proportional mixing of plural component coatingsSee page 3 for model information, including maximum working pressure and

ProMix™ II General Operating Cycle ◆ 10 310633CProMix™ II General Operating CycleRefer to FIG. 22. The operator presses the Mix key to begin operati

ProMix™ II General Operating Cycle ◆ Air Flow Switch Function310633C 11Air Flow Switch FunctionAir or Air-assisted Airless GunsThe air flow switch det

Installation ◆ Typical Installation12 310633CInstallationTypical InstallationKey - FIG. 3A Color Change Valve Lines (Component A)B Component B LineC E

Installation ◆ Typical Installation310633C 13FIG. 3JGFHCDENABPLMKQRSSGHHTTTI4658A

Installation ◆ Installation Requirements14 310633CInstallation RequirementsFIG. 4: Non-intrinsically Safe InstallationFIG. 5 Intrinsically Safe Instal

Installation ◆ Location Requirements310633C 15Location RequirementsEasyKey™ Display: Install in the non-hazardous area at a convenient location for th

Installation ◆ Mounting16 310633CMounting1. Follow Location Requirements, page 15.2. Ensure that the wall and mounting hardware are strong enough to s

Installation ◆ Air Supply Connections310633C 17Air Supply ConnectionsRequired• Compressed air supply pressure: 75-100 psi (517-700 kPa, 5.2-7 bar).• A

Installation ◆ Air Supply Connections18 310633C6. For air spray, HVLP, and air-assist airless gun appli-cations: • Systems without a Gun Flush Box, co

Installation ◆ Fluid Supply Connections310633C 19Fluid Supply Connections1. Connect the solvent supply lines.a. Connect the solvent supply line (P) to

Contents ◆ 2 310633CContentsContents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2Manual Conventions . . . . . . . . . . . .

Installation ◆ Cable Connections20 310633CCable ConnectionsPower RequirementsThe ProMix™ II operates with 85-250 VAC, 50/60 Hz input power, with a max

Installation ◆ Cable Connections310633C 214. Route the opposite Fiber Optic Cable end through the Smart Fluid Panel strain relief connector (D). FIG.

Installation ◆ Cable Connections22 310633CAdding Flow MetersIf using flow meters other than those supplied with the system:• You must provide a separa

Installation ◆ Grounding310633C 23GroundingFor Intrinsic Safety:Ground wires for the EasyKey™ Display, Smart Fluid Panel, Operator Station, and Gun Fl

Installation ◆ Grounding24 310633CGun Flush BoxConnect a ground wire from the Gun Flush Box ground lug (BB) to a true earth ground. FIG. 25.Flow Meter

Installation ◆ Check Resistance310633C 25Check ResistanceHave a qualified electrician check resistance between each ProMix™ II component and true eart

Operator Controls ◆ Operator Station26 310633COperator ControlsTwo devices provide operator interface; they are the Operator Station and the Keypad on

Operator Controls ◆ Operator Station310633C 27* If a potlife alarm (code E3) occurs, you must purge the system with solvent or spray new mixed materia

Operator Controls ◆ EasyKey™ Display28 310633CEasyKey™ DisplayAC Power SwitchTurns system AC power on or off.KeypadUsed to input numerical data, enter

Operator Controls ◆ EasyKey™ Display310633C 29Printer PortThe serial printer port (RS-232) is used with optional Printer Kit 234670, which enables you

ProMix™ II Models ◆ 310633C 3ProMix™ II ModelsWARNINGDo not install equipment approved only for a non-haz-ardous location in a hazardous area. Substit

Run Mode ◆ Power Up Screens30 310633CRun ModePower Up ScreensWhen the EasyKey™ power switch is turned on, the Graco logo and current software revision

Setup Mode ◆ Entering Setup310633C 31Setup ModeEntering SetupPress the Setup key to enter or exit Setup.Password ScreenIf a password was activated,

Setup Mode ◆ Color Screen32 310633CColor ScreenUse the Color screen to enter information about each of the colors available on the system. The Color s

Setup Mode ◆ Color Screen310633C 33ProMix™ II Purge SequenceProMix™ II Color Change SequenceFIG. 35Legend:Pa: Air purge valvePs: Solvent purge valvePs

Setup Mode ◆ Report Screen34 310633CReport ScreenThe Report Screen shows the most recent 10 alarms, with the date and time. Use the or keys to see

Setup Mode ◆ Advanced Screens310633C 35Advanced ScreensAdvanced setup has 3 screens. The screen number appears on the right side of the screen. FIG. 3

Setup Mode ◆ Advanced Screens36 310633CAir ChopDefines time (in seconds) that air is dosed during air-solvent chop, which is used during the purge and

Setup Mode ◆ Advanced Screens310633C 37Gun Flush BoxSelect Off (default) or On, depending on whether you have a gun flush box.AutodumpSelect Off (defa

Operation ◆ Pressure Relief Procedure38 310633COperationPressure Relief Procedure1. Engage the trigger lock. 2. Press Standby key on Operator Statio

Operation ◆ Start Up310633C 39Start Up1. Go through Checklist,Mix Manifold Valve SettingsTo open dispense or purge valves, turn their hex nut (E) coun

Related Manuals ◆ 4 310633CRelated ManualsComponent Manuals in English This manual available in following languages:Manual Description310633 ProMix™ I

Operation ◆ Start Up40 310633C3. If this is the first time starting up the system, purge it as instructed in Purging Fluid Supply System, page 46. The

Operation ◆ Start Up310633C 4111. Adjust the flow rate.Watch the fluid flow rate displayed on the Run screen while the gun is fully open. Verify that

Operation ◆ Color Change42 310633CColor ChangeIntegrated Color Change - for multiple color systems1. Shut off air to the gun.2. Place the gun in the g

Operation ◆ Printing Job Log310633C 43Printing Job LogIf a printer is connected to the EasyKey™ Display, you can press the Report key to generate a

Purging ◆ Purging Mixed Material44 310633CPurgingThere are 4 purging procedures in this manual:• Purging Mixed Material (below)• Using Color 0 (page 4

Purging ◆ Using Color 0310633C 45Using Color 01. Press Standby on the Operator Station. 2.3. If using a gun flush box, place the gun into the box.4.

Purging ◆ Purging Fluid Supply System46 310633CPurging Fluid Supply SystemFollow this procedure before:• the first time material is loaded into equipm

Purging ◆ Purging Fluid Supply System310633C 479. Repeat steps 7 and 8 to thoroughly clean the fluid integrator.10. Re-install the Smart Fluid Panel c

Purging ◆ Purging Sampling Valves and Tubes48 310633CPurging Sampling Valves and TubesFollow this procedure after meter calibration.1. Press Standby

Meter Calibration ◆ 310633C 49Meter CalibrationCalibrate the meter:• The first time the system is operated.• Whenever new materials are used in the sy

Related Manuals ◆ 310633C 5

Meter Calibration ◆ 50 310633C7. One at a time, dispense component A and B into separate beakers.a. To avoid splashing, slowly open sampling valves (2

Alarm Troubleshooting ◆ ProMix™ II Alarms310633C 51Alarm TroubleshootingProMix™ II AlarmsThe ProMix™ II alarms alert you of a problem and help prevent

Alarm Troubleshooting ◆ ProMix™ II Alarms52 310633CCommunication Error Alarm (E1)Cause Solution• The communication signal between the EasyKey™ Display

Alarm Troubleshooting ◆ ProMix™ II Alarms310633C 53Potlife Exceeded (E3) AlarmPotlife Timer FunctionThe potlife timer, thus the alarm, becomes inactiv

Alarm Troubleshooting ◆ ProMix™ II Alarms54 310633COverdose (E5) AlarmCause SolutionProMix™ II detected that the sum of A and B doses was too large fo

Alarm Troubleshooting ◆ ProMix™ II Warnings310633C 55ProMix™ II WarningsThe following conditions are considered system Warnings. They do not stop oper

Technical Data ◆ 56 310633CTechnical Data* Dependent on programmed K-factor and application. The ProMix™ II maximum allowable flow meter pulse fre-que

Technical Data ◆ 310633C 57See individual component manuals for additional technical data.WeightBase System Total (no meters color change valves or gu

All written and visual data contained in this document reflects the latest product information available at the time of publication. Graco reserves th

Warnings ◆ 6 310633CWarningsThe following warnings include general safety information for this equipment. More specific warnings are included in the t

Warnings ◆ 310633C 7EQUIPMENT MISUSE HAZARDMisuse can cause death or serious injury.• Do not exceed the maximum working pressure or temperature rating

Overview ◆ Usage8 310633COverviewUsageThe Graco ProMix™ II is an electronic two-component paint proportioner. It can blend most two-component solvent

Overview ◆ Component Identification and Definition310633C 9Flow MetersThree optional flow meters are available from Graco:• G3000 is a general purpose