Graco 309524L important safety instructions Troubleshooting, Problem Cause Solution

Page 17

Troubleshooting

Troubleshooting

Problem

Cause

Solution

 

 

 

 

 

 

Heater will not heat.

No current.

Check circuit and fuses.

 

 

Check continuity of primary thermo-

 

 

stat (24), backup thermostat (10),

 

 

and thermal limit sensor (15).

 

 

Check continuity of thermostat (10)

 

 

and heater block (3) terminals - Page

 

 

18.

 

 

 

 

Burned out heater block (3).

Replace block - Page 20.

 

 

 

 

Blown heat limiter (15).

Check continuity of primary thermo-

 

 

stat (24) and backup thermostat (10).

 

 

Replace thermostats if necessary

 

 

when replacing thermal limit sensor

 

 

(15) - Pages 18-20.

 

 

 

Temperature too low.

Fluid requires more warm-up time.

Increase warm-up time.

 

 

 

 

Wrong temperature setting.

Adjust setting - Page 15.

 

 

 

 

Flow rate too high.

Reduce flow rate or use 2 heaters.

 

 

 

 

Clogged fluid passages.

Flush regularly - Page 16.

 

 

 

Temperature too high.

Wrong temperature setting.

Adjust setting - Page 15.

 

 

 

 

Failed primary thermostat (24).

Replace - Page 18.

 

 

 

High fluctuating temperatures, about

Primary thermostat (24) contacts

Replace thermostats (24, 10) - Page

220-250°F (104-120°C) at 0.1 GPM.

sticking.

18. Note that backup thermostat (10)

 

 

keeps heater functioning for only a

 

 

short time.

 

 

 

Too much pressure drop or fluid will

Flow rate too high.

Reduce flow rate or use 2 heaters.

not flow.

 

 

Clogged fluid passages.

Flush regularly - Page 16.

 

 

 

 

Heater fittings leak.

Loose or damaged fittings.

Tighten fittings or replace heater

 

 

block - Page 20.

R

OFF

230°F

(110°C)

 

 

300°F

a1

F

(149°C)

 

 

 

 

e2

 

FIG. 14: Electrical Schematic

Mp SL

e1 255°F (124°C)

R6-55 ohm

05556-524

309524L

17

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Contents Hazardous Location Heater shown Viscon HPHazardous Location Heaters ModelsNon-hazardous Location Heaters ApprovalsManual Conventions ContentsTranslations Skin Injection Hazard Equipment Misuse Hazard Key InstallationTypical Installation Drawing Selecting Tubing Chart NotesBracket Mounting HeaterWall Mounting Cart Mounting Fluid Connections AccessoriesElectrical Connections Requirements For All InstallationsHazardous Location Installation Requirements Grounding Wall Mounted WiringCart Mounted Wiring To find your fluid’s Under-Boil temperature Determining Proper Fluid TemperatureEffect of Temperature on Viscosity Operation Pressure Relief ProcedureInitial Flushing Priming SystemRefer to FIG Setting Heater ControlAdjusting for Spraying Follow Pressure Relief Procedure, MaintenanceFlushing Unclogging Fluid PassagesProblem Cause Solution TroubleshootingReassembly Notes Backup ThermostatRepair Primary Thermostat & ProbeThermostat Repair Hazardous Location Heaters Heater Block Thermal Limit SensorControl Knob Control Repair Hazardous Location Heaters Hazardous Location Heaters PartsPart No. Description Qty Ref. No Heater Block Series Volts / WattsNon-Hazardous Location Heaters Enclosure Accessories Cable Clamp Kit Key Cable Clamp Kit 246303 InstallationMaximum Temperature Rise vs. Flow Rate Technical DataDimensions Graco Information Graco Standard Warranty

309524L specifications

The Graco 309524L is a versatile and high-performing airless paint sprayer designed for both professional contractors and DIY enthusiasts. This innovative tool stands out for its efficiency, ease of use, and excellent finish quality, making it a top choice for various painting projects, from small residential jobs to larger commercial applications.

One of the main features of the Graco 309524L is its robust power system, which delivers consistent pressure and flow. This ensures that users can achieve even coverage and a superior finish, reducing the likelihood of roller marks or brush strokes. The unit also boasts an adjustable pressure control system, allowing users to fine-tune the paint output according to the specific needs of the project. This feature enhances precision, particularly when working on intricate surfaces or detailed projects.

The Graco 309524L employs advanced technology in its design. It utilizes a "TruPulse" technology that continuously monitors and adjusts the pressure based on the requirements of the job. This results in a smoother application and optimal performance, leading to reduced paint waste and faster completion times. Additionally, the sprayer is equipped with a durable and lightweight frame, making it easy to transport and maneuver around job sites.

Another significant characteristic is the Rapid Clean technology, which simplifies the cleanup process. After completing a painting task, users can easily flush the system with water or solvent, ensuring that the sprayer is ready for future use without the hassle of a complicated disassembly process.

The Graco 309524L is compatible with a wide range of coatings, including latex, stains, and primers, broadening its utility for various projects. Its easy setup and intuitive controls enable users of all experience levels to achieve professional-quality results with minimal effort.

Moreover, the unit comes with a selection of spray tips and a flexible paint hose, providing versatility for different applications. Whether it's interior walls, ceilings, or exterior surfaces, this sprayer meets the demands of various projects with ease and efficiency.

In summary, the Graco 309524L is a reliable and innovative airless paint sprayer that combines power, precision, and user-friendly features. Its advanced technologies and versatile capabilities make it an excellent investment for anyone looking to enhance their painting experience, ensuring high-quality results on every job.
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