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L Series

Hand Carry Portable Radiant Heaters

Dear Owner,

Congratulations!  Thank you for purchasing this new heater by Marley Engineered Products.  You have made a wise investment select-
ing the highest quality product in the heating industry.  Please carefully read the installation and maintenance instructions shown in
this manual.  You should enjoy years of efficient heating comfort with this product from Marley Engineered Products... the industry’s
leader in design, manufacturing, quality and service.

... The Employees of Marley Engineered Products

Installation & Maintenance Instructions

SAVE THESE  INSTRUCTIONS

Read Carefully

- This Instruction Sheet Contains Vital

Information For The Proper Assembly, Set-Up And 
Efficient Operation Of The Heater. Carefully Read The Manual
Before Assembly, Operation, Or Cleaning Of The Heater. Failure
To Adhere To The Instructions Could Result In Fire, Electrical
Shock, Property Damage, Serious Personal Injury, Or Death.
Save These Instructions And Review Frequently For Continuing
Safe Operation And Instructing Future Users.

1. To prevent a possible electrical shock, disconnect all power 

coming to heater at main service panel before wiring or 
servicing.

2. All wiring must be in accordance with the National and Local 

Electrical Codes and the heater must be grounded as a 
precaution against possible electrical shock.

3. Verify the power supply voltage coming to the heater 

matches the ratings printed on the heater nameplate before 
energizing.

4. This heater is NOT suitable for use in hazardous locations as 

described by the National Fire Protection Association (NFPA). 
This heater has hot and arcing or sparking parts inside. Do
NOT use in areas where gasoline, paint or other flammable 
liquids are used or stored.

5. This heater is intended to provide temporary, supplemental 

localized heat only in non-residential locations. The heater is 
intended for use on the floor only. Do NOT place heater on 
surface where is could fall or tip over.

6. Heater element operates at very hot temperatures. Do NOT

place heater near combustibles and DONOT place 
combustibles in the radiation path in front of the heater. 
Keep all combustibles at least five (5) feet from front of 
heater.

7. Heater is designed and intended for use as illustrated in this 

instruction sheet only. Do not position or use heater in any 
other manner.

8. This heater is hot when in use.  To avoid burns, do NOT let 

bare skin touch hot surfaces.  Keep combustible materials, 
such as furniture and papers at least 5 feet from the front of 
the heater.

9. DO NOT LEAVE HEATER UNATTENDED WHILE IN 

OPERATION.

10. Always disconnect heater when not in use. 
11. Do NOT use outdoors in areas subject to wind.
12. Connect to properly grounded outlets or building ground.
13. This heater has hot surfaces.  Do NOT use it in areas where 

gasoline, paint or flammable liquids are used or stored.

14. Use this heater only as described in this manual.  Any other 

use not recommended by the manufacturer may cause fire, 
electric shock or injury to persons.

15. In order to prevent equipment damage, protect with a 

ground fault device such as Marley Engineered Products 
WMGF240 for 240V heaters and WMGF480 for 480V 
heaters.

WARNING

!

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Summary of Contents for L series

Page 1: ...us locations as described by the National Fire Protection Association NFPA This heater has hot and arcing or sparking parts inside Do NOT use in areas where gasoline paint or other flammable liquids are used or stored 5 This heater is intended to provide temporary supplemental localized heat only in non residential locations The heater is intended for use on the floor only Do NOT place heater on s...

Page 2: ...o element failure See instruction sheet 5200 2652 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 ...

Page 3: ...r and slide the entire heating element assembly out of the reflector assembly 6 Remove wires and jumper straps as required to replace the failed heating element s 7 Remove bulkhead fitting nuts and washers 8 Remove failed element and replace with a new element Replace only with Marley Engineered Products elements Use of other elements will cause excess temperatures inside terminal box 9 Place gask...

Page 4: ...RRANTIES ARE IN LIEU OF ALL OTHER WARRANTIES EXPRESSED OR IMPLIED AND ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE WHICH EXCEED THE AFORESAID EXPRESSED WARRANTIES ARE HEREBY DISCLAIMED AND EXCLUDED FROM THIS AGREEMENT MARLEY ENGINEERED PRODUCTS SHALL NOT BE LIABLE FOR CONSEQUENTIAL DAMAGES ARISING WITH RESPECT TO THE PRODUCT WHETHER BASED UPON NEGLIGENCE TORT STRI...

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