Marley HTWH Series Instructions Manual

HTWH Series
Smart Series
Large Wall Heater
READ CAREFULLY - This manual provides instructions for the correct installation, safe use, and care of this product. Special atten-
tion should be directed to the warnings provided below which identify certain precautions and special instructions for safe and effi-
cient installation and use. Studying these instructions first may save you considerable time and money later and keep your installa-
tion time to a minimum. If you are not familiar with electricity or feel uncomfortable in working with electricity, refer the installation of
this product to a licensed electrician or qualified person.
TO REDUCE THE RISK OF FIRE, ELECTRIC SHOCK OR
INJURY TO PERSONS:
1. READ ALL INSTRUCTIONS before installing or using the
heater.
2. ELECTRICAL SHOCK HAZARD: Disconnect all electrical
power coming to heater at circuit breaker box or main
disconnect switch and lock in OFF position before wiring.
All wiring must be in accordance with The National Electrical
Code and applicable local codes and ordinances.
The heater must be properly connected to an effective
building ground.
3. Verify the supply voltage coming to heater is the same as
shown on the heater nameplate before energizing.
Energizing at a voltage in excess of nameplate voltage will
damage heater and void warranty.
4. This heater has hot and arcing or sparking parts inside.
Do not install or use in areas where gasoline, paint, or flam-
mable liquids are used or stored.
5. Do not install this heater upside down, sideways, in ceiling,
or floor. Install only as shown in this manual. Refer to
Mounting Clearances, page 2 for minimum clearances that
must be maintained.
6. The heater assembly must be installed in the back box pro-
vided. Do not operate the heater without the grille installed.
7. This heater is not approved for use in corrosive
atmospheres such as marine, green house or chemical
storage areas.

IMPORTANT INSTRUCTIONS

WARNING
SAVE THESE INSTRUCTIONS
19-3/16"
(487mm)
!
8. Do not use outdoors.
9. Extreme caution is necessary when any heater is used by or
near children or invalids and whenever the heater is left
operating or unattended.
10. This heater is hot when in use. To avoid burns, do not let
bare skin touch hot surfaces. Keep combustible materials,
such as furniture, pillows, bedding, papers, clothes, and
curtains away from heater. Do not block air intakes or
exhaust in any manner. For efficient and safe operation, we
recommend keeping all items at least 3 feet from front of
heater.
11. Do not insert or allow foreign objects to enter any ventilation
or exhaust opening as this may cause an electric shock, fire,
or damage the heater.
12. Should the heater become blocked or otherwise overheat, it
is provided with a manual-reset thermal safety switch and
alarm light that will activate to alert that the heater has
cycled off. If warning light is on, check to see if the reason
for the overheating can be identified.
blockage, allow heater to cool, then press Reset button.
Heater should return to normal operation. Do not continue
to use heater if it repeatedly cycles off. Have it inspected
and repaired by a qualified repair person.
13. 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.
15-21/64"
(389mm)
14-3/8"
(365mm)
1-21/32"
(42mm)
Remove any
5/14"
(133mm)
18-1/4"
464mm