Model No.: DR218-1500
1500W 120V 60Hz
DR218-3000
3000W 240V 60Hz
Greenhouse HEATER
OWNER’S MANUAL
-
IMPORTANT INSTRUCTIONS
READ & SAVE
TABLE OF CONTENTS
Important Instructions………………………………………. 3
Specifications and Wiring Diagrams………………………. 5
Parts of the Heater ……………………….………………… 7
Operating Instructions………………..……………………... 8
Maintenance and Cleaning………………………………… 9
Grounding Instruction………………………………………. 10
Troubleshooting……………………………………………… 12
Questions and Answers…………………………………… 13
IMPORTANT INSTRUCTIONS
PLEASE READ ALL INSTRUCTIONS BEFORE
USING THIS HEATER
NOTE: There may be a trace of smoke or odor when the unit is
first operated. Don’t be alarmed. This indicates that a drop of oil
fell on the heating coil during the manufacturing process. It will
quickly evaporate and should not recur.
Make sure that the room in which the appliance is located is well
ventilated during this operation. It is normal for the appliance to
emit small cracking sounds when you turn it on for the first time.
Again, do not be alarmed.
WHEN USING ELECTRICAL APPLIANCES, BASIC PRECAUTIONS
SHOULD ALWAYS BE FOLLOWED TO REDUCE RISK OF FIRE,
ELECTRICAL SHOCK AND INJURY TO PERSONS OR PROPERTY.
THESE INCLUDE THE FOLLOWING:
1. Read all the instructions before using this heater.
2. This heater is hot when in use. To avoid burns, do not let bare skin touch
hot surfaces. Use handles, if provided, 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 away
from the sides and rear.
3. Extreme caution is necessary when any heater is used by or near children
or the physically challenged, and whenever the unit is left operating and
unattended.
4. Do not operate the heater with a damaged cord or plug, or after the heater
malfunctions, has been dropped or damaged in any manner. Return the
heater to an authorized service facility for examination, electrical or
mechanical adjustment, or repair.
5. Do not use outdoors.
6. This heater is not intended for use in bathrooms, laundry areas, or similar
indoor locations. Never locate the heater where it may fall into a bathtub
or other water container.
7. Do not run the cord under carpeting and do not cover the cord with throw
rugs, runners or the like. Do not route cord under furniture or appliance.
Arrange the cord away from traffic areas to avoid a tripping hazard.
8. To disconnect the heater, turn controls to OFF, then remove the plug from
the outlet.
9. Do not insert or allow foreign objects to enter any ventilation or exhaust
opening as this may cause an electric shock, fire or damage to the heater.
10. To prevent a possible fire, do not block air intake or exhaust openings in
any manner. Do not use on soft surfaces, like a bed, where openings may
become blocked. Use the heater on flat, dry surfaces only.
11. A heater has hot and arcing or sparking parts inside. Do not use the heater
in areas where gasoline, paint or flammable liquids are used or stored.
12. 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.
13. Never clean this heater while it is plugged in. Do not immerse in water. To
disconnect, turn control to OFF, then remove the plug by grasping it and
pulling it from the outlet. Never yank on the cord.
14. This heater includes a visual alarm to warn that parts of the heater are
getting excessively hot. If the alarm flashes, immediately turn the heater off
and inspect for any objects on or adjacent to the heater that may cause high
temperatures. DO NOT OPERATE THE HEATER WITH THE ALARM
FLASHING.
15. Always unplug the heater when it is not in use.
16. Always plug the unit directly into a wall outlet/receptacle. Never use with
an extension cord or relocatable power tap (outlet/power strip).
WARNING! To reduce the risk of fire, electric shock, or personal injury, read
all the instructions before using this heater.
CAUTION - High temperature! Keep electrical cords, drapery, and other
furnishings at least 3 feet (0.9 m) from the front of the heater and away from
the side and rear.
SAVE THESE INSTRUCTIONS
Voltage: 120V
Watts: 1500W
Frequency: 60Hz
SPECIFICATIONS
Movable Air Heater
Model: DR218-1500
Voltage: 240V
Watts: 3000W
Frequency: 60Hz
Model: DR218-3000
A. “Cool-Touch” cabinet
B. Control panel
C. Thermostat control
D. Power setting control
E. Power indicator
F. Alarm indicator
PARTS OF THE HEATER
ALARM
ALARM
DR218-1500:
C D E F
DR218-3000:
OPERATING INSTRUCTIONS
1. Plug the power supply cord into a wall outlet.
2. Set the thermostat to MAX (full clockwise turn).
3. Turn On the unit by selecting HIGH / LOW or the FAN only setting from the
Power Settings Control Knob.
4. Select a thermostat setting. Ambient temperature is regulated by adjusting the
thermostat to a desired position. To set, allow the unit to operate and warm up
the room. When the desired temperature is reached, turn the control knob
counterclockwise just until the heater turns off. This is your ideal setting. The
heater will start automatically when the room temperature drops below this set
point, and will turn off when the set point is reached.
5. To switch off the heater, turn the Setting Control Knob to the OFF position.
Always unplug the heater when it is not in use.
6. This heater includes an overheat protection system that shuts off the unit
when parts of the heater get excessively hot. If the heater shuts off, the Alarm
LED will flash indicating an abnormal condition of the heater shutting off.
Immediately turn the heater to OFF. Wait for the unit to cool down and inspect
for any objects on or adjacent to the heater that may cause high
temperatures.
7. DO NOT OPERATE THE HEATER WHEN ALARM LED IS FLASHING.
When the heater has cooled, the heater will reset automatically. When the
heater re turns to normal, the Alarm LED will stop flashing.
8. When the heater shuts off due to abnormal overheating, the fan may (or may
not) run. This can help cool the heater. However, if the Alarm LED keeps
flashing for long time, switch to the OFF position, and wait until the heater
has cooled.
Note: There may be a trace of smoke or odor when the unit is first operated.
Do not be alarmed: this indicates that a drop of oil fell on the interior coils
during the manufacturing process. It will evaporate quickly and should not
recur.
MAINTENANCE AND CLEANING
Always turn OFF the heater and disconnect the cord from the electrical outlet
before cleaning the unit.
Light accumulation of dust may be removed from the heater with a soft cloth or
vacuum cleaner.
Wipe the exterior surfaces of the heater occasionally with a damp cloth (not
dripping wet), using a solution of mild detergent and water. Dry the case
thoroughly before operating the heater.
CAUTION: Do not allow water to run into the interior of the heater as this
could create a fire or electric shock hazard.
The fan motor is factory-lubricated for life and will require no further
lubrication.
Store the heater in a clean, dry place when not in use.
GROUNDING INSTRUCTIONS
DR218-1500
This heater is for use with 120 volts. The cord has a plug as
shown in the figure below. An adapter as shown at (C) is
available for connecting three-blade grounding-type plugs to
two-slot receptacles. The green grounding lug extending from the
adapter must be connected to a permanent ground such as a
properly grounded outlet box. The adapter should not be used if a
three-slot grounded receptacle is available.
DR218-3000
This heater is for use with 240 volts. The cord has a plug as
shown in the figure below. No adapter is available for this blade
configuration, and none should be used. The type outlet is a
240-volt grounding outlet. When properly installed, it provides a
ground connection through the cord to the heater to protect the
operator from electric shock.
plug
receptacle
Problem
Probable Cause
Solution
Unit is not
heating
Overheat protection has
temporarily deactivated the
heater. Alarm LED will flash.
Turn the heater OFF;
inspect for any objects on
or adjacent to the heater
that may cause high
temperatures; wait until
heater is cooled before
turning on the heater.
Room temperature has warmed to
thermostat setting.
To increase the room
temperature, adjust the
Thermostat Control knob
to a higher setting.
Unit
produces a
burning
smell
Check and ensure there are no
combustible materials within
0.9 meters (3 feet) surrounding
the heater.
Remove any combustible
items from the heater.
A drop of oil fell on the heating coil
during the manufacturing process.
It will evaporate quickly and
should not recur.
Ensure room containing
the heater is well
ventilated.
Ensure a minimum clearance of
36 inches (90 cm) from both sides
and rear of the heater to the
adjacent walls.
Reposition the heater so
there is enough space
between the heater and
the adjacent walls.
TROUBLESHOOTING
WARNING: Any other servicing must be performed by an authorized service
representative. Do not attempt to service the unit yourself.
QUESTIONS AND ANSWERS
What if the heater’s airflow seems to have diminished?
Please ensure the rear intake is not blocked and that the filter is clean. Follow
the filter maintenance procedure to clean the filter.
Once the heater is turned on, how long will it take to heat my room?
This heater can heat up to 1,000 square feet. Generally speaking, it takes
minutes to heat a room. Remember that with any type of heating process,
there are many variables such as the size of the room, how well the room is
insulated, how many doors and windows there are, the amount of bare
concrete (which acts as a heat sink with any type of heating), the opening and
closing of an exterior door, the outside temperature, etc. Please remember
that this is a zone heater and is meant to be used as a supplemental heating
source only.
Can I use the heater to heat multiple rooms at the same time?
Keep in mind that heating will vary based on how open your floor plan is and
the size of the rooms involved. We have heard from customers that with
the help of ceiling fans, they have been able to heat multiple rooms
simultaneously by placing the unit in a central room. We suggest you give
it a try and see what works best for you.
My home is not well insulated; will this heater help me?
Yes, but it may take a little longer to heat the room. The outside temperature
will also have an impact on heating time. Once the room has reached the
desired temperature, it will cycle on and off accordingly.
Can the heater be used in a bathroom?
It is not recommended due to a bathroom’s high level of moisture.
Can the heater be used in a basement or garage?
Yes, but keep in mind that rooms with little insulation will not retain the heat as
efficiently. Bare concrete floors, which act as a heat sink with any type of
heating, will absorb some of the heat. However, placing the heater a few feet
above the floor will allow for more efficient heating.
Can I use more than one heater at a time?
Yes, but please make sure the heaters are not on the same circuit. Each
heater and appliance should be on its own circuit.
Can I use the heater and another appliance at the same time?
Yes, as long as they are not on the same circuit. This heater is considered to
be an appliance. You should not run more than one large appliance on a single
circuit breaker. Your appliances, such as a freezer, refrigerator, microwave
oven, washing machine, dryer and others, should not share a circuit breaker.
Can I use the heater on a job or construction site?
This heater is not designed to be used in a high dust construction environment.
Using the heater for this purpose will void your warranty.
Can I move the heater around while it is operating?
It is not recommended to move any portable heater while it is operating. We
recommend moving the heater only when the fan has completely turned off.
Can I use an extension cord, surge protector, or power strip with my
heater?
No. The DR. INFRARED HEATER MODEL DR218-1500 is designed to plug
directly into a grounded 120V 15 amp or higher circuit receptacle; the MODEL
DR218-3000 is designed to plug directly into a grounded 240V 15 amp or
higher circuit receptacle. Never use with an extension cord or relocatable
power tap (outlet/power strip).
How many kilowatts per hour does the heater use?
The DR. INFRARED HEATER MODEL DR218-1500 uses approximately
1.5 kilowatts per hour, and the MODEL DR218-3000 uses approximately
3 kilowatts per hour.
What is the BTU Rating for the heater?
The DR. INFRARED HEATER MODEL DR218-1500 is approximately
5200 BTUs; the MODEL DR218-3000 is approximately 10400 BTUs.
The power cord feels warm to the touch; should I be concerned?
It is normal for the heater’s plug and cord to feel warm to the touch. A plug or
cord which becomes hot to the touch or becomes distorted in shape may be a
result of a worn electrical outlet. Worn outlets or receptacles should be
replaced prior to further use of the heater. Plugging the heater into a worn
outlet may result in overheating of the power cord or even a fire.
I don’t have a grounded outlet; can I use a cord adapter or remove the
grounding plug?
NO. If you don’t have a grounded outlet, contact a licensed electrician in your
area for advice. Removing or altering any part of the heater is unsafe and will
also void your warranty.
How long is the warranty?
This heater comes with a THREE-YEAR LIMITED COMPONENT WARRANTY.
If your unit does not appear to be working properly, please contact our service
center by calling 1-800-317-1688. Prior to your call, we encourage you to visit
our service related website www.DrHeaterUSA.com for troubleshooting tips
and service instructions if needed.
Dr. Infrared Heater (Dr. Heater USA)
239 Harbor Way
SOUTH SAN FRANCISCO, CA 94080
TEL: 800-317-1688
EMAIL: SERVICE@DRHEATERUSA.COM
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