Marley Engineered Products L SERIES instruction sheet Wiring, Optional Accessories

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WIRING

a

! WARNING

ELECRIC SHOCK HAZARD. Disconnect all power before installing or servicing heater. Failure to do so could result in personal injury or property damage. Heater must be effectively grounded in accordance with the National Electrical Code, NFPA 70.

All electrical wiring must be done by a qualified person in accor- dance with National Electrical Code (NEC) and meet all state and local regulations.

1.Use heater only at the voltage specified on the nameplate.

2.The heater connection points are located in the gasketed terminal enclosure. To remove cover, remove screw(s) on the cover. Remove the cover to expose wiring connection points.

3.A green ground terminal is provided in the bottom of the enclosure. The ground wire should be connected before other connections are made.

4.Use type "SO" or equal cord. Refer to Table 1 for proper cord gage and number of conductors.

Table 1 - Hand Carry Portable- L Series

OPTIONAL ACCESSORIES

Marley Engineered Products L series radiant heaters can be field modified by adding optional kits.

Cord Kits

Cord kits consist of 25 feet of 90°C cable and a right angle cord fitting which can connect directly to the heater terminal box or disconnect switch (if used). See instruction sheet 5200-2647-### for details

Plugs

Single and three phase with ground. Available in nonlocking and locking. See Table 1.

Ground Fault Kits

WMGF240 series kit mounts to wall that de-energizes the heater prior to element failure. See instruction sheet 5200-2652-###.

Model

 

 

 

Cord

 

Locking

Non-Locking

Wattage

Volts

Amps

Guage

Cord Set

Plug Set

Plug Set

 

L1511B

1500

120

12.5

See Note

See Note

See Note

 

Note: This hand carry model includes cord and standard 3-prong gounded plug.

 

 

L2081B

 

208

9.6

14/3

CS25143

LPS25124

NPS25650

L2021B

 

240

8.3

14/3

CS25143

LPS25124

NPS25650

L2071B

2000

277

7.2

14/3

CS25143

LPS25124

N/A

L2041B

 

480

4.2

14/3

CS25143

LPS25104

N/A

L2061B

 

600

3.3

14/3

CS25143

LPS25083

N/A

L4581B

 

208

21.6

12/3

CS25123

LPS25103

NPS25650

L4521B

 

240

18.8

12/3

CS25123

LPS25124

NPS25650

L4571B

4500

277

15.9

14/3

CS25143

LPS25124

N/A

L4541B

 

480

9.4

14/3

CS25143

LPS25104

N/A

L4561B

 

600

7.5

14/3

CS25143

LPS25083

N/A

 

 

 

 

 

 

 

 

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Contents Installation & Maintenance Instructions Wiring Optional AccessoriesElement Replacement Contact Factory for Part Number MaintenanceDimensions Limited Warranty

L SERIES specifications

Marley Engineered Products has established itself as a leader in the heating, ventilation, and air conditioning (HVAC) industry, with a focus on efficiency and sustainability. One of their standout offerings is the L SERIES, a range of high-performance fan-coil units designed to enhance climate control in a variety of settings.

The L SERIES is characterized by its exceptional efficiency and versatility, making it suitable for both commercial and residential applications. One of the main features of this series is its ability to deliver precise temperature control. The units are engineered to seamlessly integrate into existing HVAC systems, providing consistent comfort while minimizing energy consumption.

A key technology that sets the L SERIES apart is its advanced microprocessor control system. This innovative feature allows for real-time monitoring and management of temperature and airflow, ensuring optimal performance. Additionally, the microprocessor enables users to customize settings according to specific needs, fostering both convenience and energy savings.

The design of the L SERIES emphasizes reliability and durability. Constructed with high-quality materials, these fan-coil units are built to withstand demanding conditions while requiring minimal maintenance. The corrosion-resistant casing and robust internal components contribute to the longevity of the units, further enhancing their appeal for long-term investments.

Noise reduction is another significant characteristic of the L SERIES. The design incorporates sound-dampening technologies, leading to quieter operation compared to traditional fan-coil units. This feature is especially beneficial in environments where noise control is a priority, such as office spaces, hotels, and residential buildings.

Energy efficiency is at the forefront of the L SERIES design. Each unit is engineered to operate within the highest industry standards, helping users reduce their carbon footprint while lowering energy costs. The units are compatible with a variety of renewable energy sources, further supporting sustainable practices.

In summary, Marley Engineered Products L SERIES fan-coil units epitomize a blend of advanced technology, robust construction, and energy efficiency. With features like precision temperature control, microprocessor management, noise reduction, and compatibility with renewable energy systems, they represent a dynamic solution for modern HVAC needs. Whether for new installations or retrofits, the L SERIES stands out as a reliable choice for those seeking optimal climate control.
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