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N Series

Overhead Infrared 

Heaters

Dear Owner,

Congratulations!  Thank you for purchasing this new heater by Marley Engineered Products.  You have made a wise invest-
ment selecting 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

Read Carefully

- This instruction sheet contains vital infor-

mation for the proper installation, use and efficient opera-
tion of the heater. Carefully read the manual before installa-
tion, operation, or cleaning of the heater. Failure to adhere
to the instructions could result in fire, electric shock, death,
serious personal injury or property damage. Save these
instructions and review frequently for continuing safe opera-
tion and instructing future users. 

RISK OF FIRE, ELECTRICAL SHOCK OR FALLING

:

1. To prevent electrical shock, disconnect all power com-

ing to heater at main service panel before wiring or ser-
vicing.

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

Local Electrical Codes and the heater must be ground-
ed as a precaution against possible electric shock.

3. Verify the power supply voltage coming to heater

matches the ratings printed on the heater nameplate
before energizing.

4. This heater is NOT suitable for use in hazardous loca-

tions 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 or stored.

5. Do not use this heater in areas where corrosive agents

such as 

Ammonia • Carbon tetrachloride • Sulphuric acid •

Muriatic Acid • Ethylene Dichloride (Mastics-Glues-Adhesives)
• Chlorine • Chlorides • Fluorides • Perchlorethylene •
Trichlorethylene • Hydrochloric Acid • Halogenated
Hydrocarbons • Industrial Caustics.

6. This heater is intended for ceiling installation ONLY. The

following clearances MUST be maintained:
a) Top of heater to ceiling - 3 in (76 mm).
b) Bottom of heater to floor - 10 ft (3048 mm).
c) Side of heater to wall - 12 in (305 mm).
d) End of heater to wall - 12 in (305 mm).
e) Side of heater to side of adjacent heater - 36 in 

(914 mm).

f) End of heater to end of adjacent heater - 36 in (914  

mm).

7. Heater MUST be securely fastened to the building

structure to prevent it from falling.

8. DO NOT stack or store combustible materials in the

radiation path under the heater. At least 5 feet (1524
mm)  clearance MUST be maintained between bottom
of heater and combustibles stored.

9. Do NOT use as a residential or household heater.

Installation & Maintenance Instructions

SAVE THESE  INSTRUCTIONS

WARNING

!

Summary of Contents for N1011B

Page 1: ...n against possible electric shock 3 Verify the power supply voltage coming to heater matches the ratings printed on the heater nameplate before energizing 4 This heater is NOT suitable for use in hazardous loca tions 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 liqui...

Page 2: ...ter is shipped fully assembled The heater can be hung from the ceiling by chains or rigid angle brackets attached to the heater brackets located on the back of the heater Hanging chain kits are available for these heaters that will allow for installations to 6 feet from the ceiling Model MHK Minimum spacings Ceiling to top of heater is 3 in Wall to sides of heater is 12 in Floor to bottom of heate...

Page 3: ...g size 6 Heater can be wired with rigid or flexible conduit ELECTRIC 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 a WARNING All electrical wiring must be done by a qualified person in accordance with National Elec...

Page 4: ...units should be returned to the nearest Marley authorized service center or the Marley Engineered Products Service Center and we will repair or replace at our option at no charge to you with return freight paid by Marley It is agreed that such repair or replacement is the exclusive remedy available from Marley Engineered Products THE ABOVE WARRANTIES ARE IN LIEU OF ALL OTHER WARRANTIES EXPRESSED O...

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