Marley Engineered Products E3812-1125HFD, E6012-2125HFD, E6009-2125HFD, E4812-1125HFD Operation

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1.After power has been connected to unit, fans will start in either preset (high/low) speed selection.

2.Air velocity is controlled by selection of high or low speed indicator. This feature allows the setting of air velocity to individual desired performance and energy efficiency.

3.Air direction at outlet can be controlled by adjustable vanes at the nozzle which compensates for possible draft conditions.

Figure 6 - Desired Air Flow Adjustment for Temperature and Humidity Control.

Operation

NOTE: Air direction settings shown in Figures 6 & 7.

NOTE: Cold air will try to escape near floor level. Warm air will try to penetrate curtain near top of doorway. Air flow can be controlled by direction of nozzle louvers and by high/low settings.

4.For multiple unit applications (wide openings), mount units a minimum of 3” apart to allow for proper air intake and discharge.

Figure 7 - Desired Air Flow Adjustment for Insect and Dust Control.

Maintenance

WARNING: ALL ELECTRIC POWER MUST BE DISCONNECTED WHEN INSTALLING OR SERVICING THIS EQUIPMENT. MORE THAN ONE DISCONNECT SWITCH MAY BE REQUIRED TO REMOVE POWER FROM THE UNIT.

LUBRICATION

Ball bearings are permanently lubricated and require no further lubrication.

CLEANING

1.The air door cabinet may be wiped off with a damp cloth. Do not allow motor to get wet. Do not use sol- vents or harsh detergents.

NOTE: Keep air intake louvers clear of dirt and dust accumulation which could affect performance.

2.Check blower wheels for accumulated dirt twice a year and clean. If disassembly is required, see GENERAL SERVICING section.

GENERAL SERVICING

WARNING: IF SERVICING IS REQUIRED, IT SHOULD BE DONE BY QUALIFIED PERSONS ONLY.

WARNING: ALWAYS DISCONNECT POWER SUPPLY BEFORE SERVICING.

1.To remove motor/blower heater assembly, repeat Steps 4, 5 and 6 in Unpacking section.

2.Place motor/blower assembly on workbench.

3.To replace blower wheel, remove the three slotted hex head screws on outer blower ring assembly (See Figure 8, Replacement Parts Illustration.) The wheel is held onto shaft by two hex head screws.

NOTE: To re-assemble repeat steps 4 & 5 in installation section page 3.

IMPORTANT: NOTE POSITION OR WHEELS TO PREVENT RUBBING WHEN REPLACED.

4.To remove motor:

a.Remove blower wheels. (See Step 3 above.)

b.Remove blower scrolI (six hex head screws).

c.Unscrew and remove motor mounts.

5.Replace motor/blower.

4

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Contents Specifications and Performance DescriptionGeneral Safety Information Connecting aUnpacking Risk Electrocution, the unit must be securelyInstallation Mount cabinet on wall and securely tighten hardwareMaintenance OperationTroubleshooting Chart Motor speed setting on high Position toggle switch to lowLow voltage Verify correct wire size Obstruction to blower wheel Remove obstructionReplacement Parts Replacement Parts List For Air Curtain Cabinets Replacement Parts List For Heater UnitsLimited Warranty Model Heater Motor Number Voltage Watts BTU/HR AmpsSo could result in fatal electrical shock RiskGro ShouldUsing template provided, determine mounting loca Knockout, using a suitable knockout connected toClass 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 Limited Warranty Order to obtain any needed repair or replacementE3606-1425HFD, E3609-1425HFD Unpacking Plug Operation Troubleshooting Chart Replacement Parts Description Replacement Parts for 230V 3-PH Heaters QTY Limited Warranty E6006-2525HFD, E6009-2525HFD Number Voltage Watts BTU/HR Amps SizeThis Run proper size copper power supply conductors from Electric heater is equipped with a step-down transformerOperation 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.
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