DH Series
Portable Industrial Unit
Blower Air 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
Installation & Maintenance Instructions
When using electrical appliances, basic precautions should
always be followed to reduce the risk of fire, electric shock
and injury to persons, including the following:
1. Read all instructions before using this heater.
2. This heater is hot when in use. To avoid burns, do not let
bare skin touch hot surfaces. If provided, use handles
when moving this heater. Keep combustible materials,
such as furniture, pillows, bedding, papers, clothes, and
curtains at least 3 feet (0.9 m) from the front of the heater
and keep them away from the sides and rear.
3. Extreme caution is necessary when any heater is used by
or near children or handicapped individuals and whenev-
er the heater is left operating and unattended.
4. Always disconnect heater when not in use.
5. Do not operate any heater with a damaged cord or plug
or after the heater malfunctions, has been dropped or
damaged in any manner. Return heater to authorized ser-
vice facility for examination, electrical or mechanical
adjustments, or repair.
6. Do not use outdoors.
7. This heater is not intended for use in bathrooms, laundry
areas and similar indoor locations. Never locate heater
where it may fall into a bathtub or other water container.
8. Do not run cord under carpeting. Do not cover cord with
throw rugs, runners or the like. Arrange cord away from
traffic area and where it will not be tripped over.
9. To disconnect heater, turn thermostat off, then remove
plug from outlet.
10. Connect to properly grounded outlets only.
11. Do not insert or allow foreign objects to enter any ventila-
tion or exhaust opening as this may cause an electric
shock, fire or damage the heater.
12. To prevent a possible fire, do not block air intakes or
exhaust in any manner. Do not use on soft surfaces, like
a bed, where opening may become blocked.
13. A heater has hot and arcing or sparking parts inside.Do
not use it in areas where gasoline, paint or flammable liq-
uids 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. This heater is not intended for use with an extension cord.
16. Save these instructions.
SAVE THESE INSTRUCTIONS
WARNING
!
