Marley Engineered Products M Series User Manual

Installation & maintenance instructions, M series, Warning

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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

Installation & Maintenance Instructions

Read Carefully - These instructions are written to help you prevent
difficulties that might arise during installation of heaters. Studying
the instructions first may save you considerable time and money
later. Observe the following procedures and cut your installation
time to a minimum. To reduce risk of fire, electric shock or falling:

1. Read all instructions before using the heater.
2. Do NOT use this heater as a residential or household heater.
3. 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.

4. Always disconnect the heater when not in use.
5. To prevent possible electrical shock, disconnect ALL power

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

6. 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.

7. Verify the power supply voltage coming to the heater matches

the ratings printed on the heater nameplate before energizing.

8. 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.

9. This heater is intended for Ceiling Installation ONLY (except as

noted below.). The following clearances MUST be maintained:
a)

Top of heater to ceiling - 24" (640 mm)

b)

Bottom of heater to floor - 10' (3048 mm)

c)

Side of heater to wall - 36" (914 mm)

d)

End of heater to wall - 36" (914 mm)

e)

Side of heater to side of adjacent heater - 36" (914 mm)

f)

End of heater to end of adjacent heater - 36" (914 mm)

10. Under special controlled conditions this heater may be

converted for use as a movable heater by installation of the
optional Portable Cart Kit, Cord Kits, Grille Kit and Tip Over Kits.
Extreme care must be taken when using this heater as a
movable unit! The heater operates at very high
temperatures and could cause a fire if placed too close to
combustible materials. NEVER OPERATE THIS HEATER AS
A MOVABLE UNIT WHILE UNATTENDED.
Always maintain at
least the minimum clearances as stated above. If the Tip Over
Kit is not provided, the heater could cause a fire if it falls over.

11. Heater MUST be securely fastened to the building structure to

prevent it from falling.

12.DO NOT stack or store combustible materials in the radiation

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

13. If used as a cord connected movable heater, always make sure

the outlet or power source to which the heater is connected is
properly grounded. Use of the heater with an extension cord is
not recommended. If one must be used, it must be provided
with a grounding conductor and must be rated to handle a load
of at least 125% of the maximum heater ampere load. Always
inspect the cord for damage before each use and do not use if
damaged. Route cord so it is not subject to being damaged
during use.

14. In order to prevent equipment damage, protect with a ground

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

15. 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.

WARNING

!

M Series

Fixed Overhead Radiant Heaters

SAVE THESE INSTRUCTIONS

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