U-Line H-6521 User manual

PAGE 1 OF 3 0217 IH-6521
πH-6521
HYDRONIC PORTABLE
BASEBOARD HEATER
1-800-295-5510
uline.com
SPECIFICATIONS
WARNING
MODEL VOLTS WATTS AMPS BTU/HR
H-6521 120V 1500 12.5 5120
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:
• Read all instructions before using the heater.
• Use this heater only as described in the following
instructions. Any other use not recommended by the
manufacturer may cause fire, electric shock or injury
to persons.
• Always plug heaters directly into a wall outlet or
receptacle.
• Never use with an extension cord or power strip.
• Do not operate any heater with a damaged cord
or plug, after the heater malfunctions or has been
dropped or damaged in any manner. Discard heater
or contact Uline Customer Service at 1-800-295-5510.
• Do not run cord under carpeting. Do not cover cord
with throw rugs, runners or similar coverings. Do not
route cord under furniture or appliances. Arrange
cord away from traffic areas and where it will not be
tripped over.
• Always unplug heater when not in use.
• To disconnect, rotate thermostat to the LO set point
or flip ON-OFF switch to off. Then, grip plug (not
cord) and pull from outlet.
• A heater has hot and arcing or sparking parts inside.
Do not use in areas where gasoline or flammable
liquids are used or stored.
• This heater is hot when in use. To avoid burns, do not
let bare skin touch hot surfaces. Keep combustible
materials away from heater.
• 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 openings may become blocked.
• Do not insert or allow foreign objects to enter any
ventilation or exhaust opening, as this may cause
an electric shock or fire, or damage the heater.
• This heater is not intended for use in wet locations.
• Do not operate heater without support legs installed.
See Assembly on page 2.

PAGE 2 OF 3 0217 IH-6521
ASSEMBLY
OPERATION
1. After removing the heater from its carton, carefully
inspect it for possible shipping damage. Return
damaged units to Uline Customer Service.
2. Remove one plastic support leg and thermostat
knob from packaging in bottom of heater. The right
hand support leg is pre-assembled to the power
cord and requires only to be snapped into place.
(See Figure 1)
3. Fit left hand support leg onto heater and snap into
position. (See Figure 1)
4. Position thermostat knob onto thermostat shaft.
(See Figure 1)
NOTE: The knob will only fit onto shaft in one way.
Support Legs
Thermostat
Knob
Figure 1
IMPORTANT! This heater is a major electrical
appliance and requires adequate electrical
power. The outlet in use must be a 120 volt
circuit protected by a 15 or 20 amp fuse or
circuit breaker. No other major electrical
appliance should be operated in the same
circuit as the heater.
Use care when choosing the location and
using the heater. Do not block the heater in
any way to prevent air to flow freely through
the heater. Keeping the heater clean will also
improve the efficiency and prevent
overheating. See Maintenance on page 3 for
cleaning information.
WARNING! The heater plug must fit tightly into
outlet. A loose fitting or worn outlet may cause
plug connection to heat, damage plug or
outlet and cause a fire. If outlet is loose or worn,
discontinue using heater until the outlet can be
replaced.
CAUTION! High Temperature. Keep electrical
cords, drapes and furnishings away from
heater. Do not allow curtains or other furnishing
to contact heater. Maintain at least 6"
clearance around the heater at all times.
To reduce the risk of fire, do not store or use
gasoline or other flammable substances near
heater.
Do not operate heater without support legs
attached as shown in Figure 1.
Do not allow heater to operate in any position
except shown in operating instructions.
Do not use heater near water or in humid
environment.
Heater is to be used on the floor only. Do not
use on a shelf, table or any location except the
floor.
NOTE: Heater is provided with a pilot light
ON/OFF switch and a temperature control
thermostat.
NOTE: Heater has automatic-resetting thermal
safety switch that will disconnect power to
the heating element should the heater be
placed into an abnormal condition (such as a
blockage) to prevent a fire. When the heater
cools, the safety switch will reset allowing the
heater to return to normal operation.
1. Plug heater power supply cord into 120 volt outlet.
2. Push ON/OFF switch to ON position.
NOTE: ON/OFF switch will illuminate when in the
ON position.
3. Rotate thermostat knob in a clockwise direction until
it stops.

PAGE 3 OF 3 0217 IH-6521
MAINTENANCE
For efficient and safe operation and to extend the
life of heater, it should be cleaned and inspected for
damage annually, preferably at the beginning of the
heater season, or more often in dirty environments.
Other than cleaning, the heater requires no other
preventative maintenance.
WARNING! To prevent a possible electric shock,
always unplug heater from outlet before
cleaning or servicing. Allow heater to cool
before cleaning to prevent a possible burn.
1. Heater cabinet may be cleaned using a damp
cloth to remove dust that may have accumulated
on surfaces. Do not use harsh cleaners and waxes
on surfaces, as these could damage or discolor the
finish.
2. A vacuum cleaner or compressed air may be used
to remove dust and lint accumulated inside heater
around element fins.
CAUTION! Fins are sharp and may cause cuts.
Avoid contact.
3. After cleaning and servicing, reassemble by
replacing any hardware removed and check unit to
make sure it operates properly.
πCHICAGO • ATLANTA • DALLAS • LOS ANGELES • MINNEAPOLIS • NYC/PHILA • SEATTLE • MEXICO • CANADA
1-800-295-5510
uline.com
OPERATION CONTINUED
4. Allow heater to operate normally until the room
reaches desired temperature.
NOTE: This heater is designed to slowly radiate
gentle, even heat. It may take several hours to
reach the desired temperature.
5. Rotate thermostat knob counterclockwise until a
click is heard. Thermostat will automatically cycle
heater on and off as needed to maintain desired
room temperature.
NOTE: A new smell coming from the heater
may be detected during initial use. Operate
heater on highest setting for at least one hour
to minimize the new smell. Heater may not
heat up immediately because of the tubular
element design. Heater will take a few minutes
before warmth will be felt.