Marley Engineered Products E3812-1125HFD, E6012-2125HFD, E6009-2125HFD Volt models only

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Troubleshooting Chart

SYMPTOM

POSSIBLE CAUSE(S)

CORRECTIVE ACTION

 

 

 

 

 

Fan inoperative

1.

Blown fuse or open circuit breaker.

1.

Replace fuse or reset circuit breaker.

 

2.

Electricity turned off.

2.

Contact local power company.

 

3.

Loose cord connection.

3.

Re-check all connections.

 

4. Defective capacitor or motor.

4. Replace.

 

 

 

 

 

Excessive noise

1.

Wheel rubbing on housing.

1.

Center wheel.

 

2.

Motor base or blower not securely

2.

Tighten mounting bolts.

 

 

 

anchored.

3.

Replace motor.

 

3.

Defective motor bearings.

 

 

 

 

 

 

 

 

Insufficient air flow

1.

Improper voltage.

1.

Reconnect to proper voltage.

 

2.

Outlet louvers closed.

2.

Open.

 

3.

Intakes obstructed.

3.

Remove any obstruction.

 

4. Dirty blower wheels.

4. Clean.

 

5.

Motor rotating in reverse direction.

5.

Reverse red and black power leads.

 

 

 

 

 

Fans cut out on

1.

Low voltage.

1.

Verify correct wire size.

thermal overload

2.

Obstruction to blower wheel.

2.

Remove obstruction.

(self-resets)

 

 

 

 

 

 

 

 

 

 

 

No heat

1.

Fuse link open.

1.

Replace with 4K4204H or 4K9204H.

 

2.

Heater element broken

2.

Replace with proper Ga. and watts.

 

3.

Control Transformer

3.

Replace with proper item.

 

 

 

 

 

 

 

* 120-220 volt models only.

5

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Contents Description Specifications and PerformanceConnecting a General Safety InformationUnpacking Risk Electrocution, the unit must be securelyMount cabinet on wall and securely tighten hardware InstallationOperation MaintenanceMotor speed setting on high Position toggle switch to low Troubleshooting ChartLow voltage Verify correct wire size Obstruction to blower wheel Remove obstructionReplacement Parts Replacement Parts List For Heater Units Replacement Parts List For Air Curtain CabinetsLimited Warranty Number Voltage Watts BTU/HR Amps Model Heater MotorRisk So could result in fatal electrical shockGro ShouldKnockout, using a suitable knockout connected to Using template provided, determine mounting locaClass 1 wiring is required Before wiring be sure that available power supplyPlace motor/blower assembly on workbench Volt models only Replacement Parts Description Replacement Parts for 208V 3-PH Heaters QTY Order to obtain any needed repair or replacement Limited WarrantyE3606-1425HFD, E3609-1425HFD Unpacking Plug Operation Troubleshooting Chart Replacement Parts Description Replacement Parts for 230V 3-PH Heaters QTY Limited Warranty Number Voltage Watts BTU/HR Amps Size E6006-2525HFD, E6009-2525HFDThis Electric heater is equipped with a step-down transformer Run proper size copper power supply conductors fromOperation Troubleshooting Chart Replacement Parts Description Replacement Parts for 460V 3-PH Heaters QTY Limited Warranty

E4806-1125HFD, E4212-1125HFD, E4206-1125HFD, E4209-1125HFD, E3812-1125HFD specifications

Marley Engineered Products has made significant strides in the engineering and manufacturing of cooling solutions, particularly with its series of high-performance fan coil units. The E3612-1125HFD, E4812-1125HFD, E3809-1125HFD, E3606-1125HFD, and E3812-1125HFD models stand out for their robust features and cutting-edge technologies that cater to diverse applications in both residential and commercial settings.

One of the primary features of these units is their compact and efficient design, allowing for ease of installation in tight spaces while maximizing airflow and cooling efficiency. Each model is equipped with a state-of-the-art fan motor that operates quietly and efficiently, ensuring minimal noise disruption in environments where comfort is paramount. The inclusion of advanced motor control technologies also enables these units to adjust their speed dynamically based on cooling demands, further enhancing energy efficiency.

The E3612-1125HFD, in particular, is designed for versatile applications, making it suitable for a range of environments, from small office buildings to large retail spaces. Its high cooling output is paired with low energy consumption, ensuring that operational costs are kept in check. Similarly, the E4812-1125HFD model features an even larger capacity, ideal for commercial spaces that require robust cooling solutions without compromising on energy efficiency.

Another significant characteristic across all models is their use of environmentally friendly refrigerants, meeting the latest regulatory standards to minimize environmental impact. Additionally, these units are designed with durability in mind, utilizing high-quality materials that enhance their longevity and reliability under varying operational conditions.

Maintenance is also simplified in these Marley Engineered Products units, with easy access to components for cleaning and servicing, ensuring that they remain operational and efficient over their lifespan. The user-friendly designs allow building operators to perform routine checks without needing specialized tools.

In summary, Marley Engineered Products' E3612-1125HFD, E4812-1125HFD, E3809-1125HFD, E3606-1125HFD, and E3812-1125HFD models represent the pinnacle of modern fan coil unit technology. With features that focus on performance, efficiency, and sustainability, these units are poised to meet the demands of today's diverse cooling applications, ensuring comfortable and energy-efficient environments.