DR Infrared HEATER DR-910M Heavy-Duty Hardwired Shop Garage Heater Owner’s Manual
- June 3, 2024
- DR Infrared HEATER
Table of Contents
DR Infrared HEATER DR-910M Heavy-Duty Hardwired Shop Garage Heater
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 re-
occur. 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. Do not be alarmed.
WHEN USING ELECTRICAL APPLIANCES, BASIC PRECAUTIONS SHOULD ALWAYS BE FOLLOWED
TO REDUCE THE RISK OF FIRE, ELECTRICAL SHOCK, AND INJURY TO PERSONS OR
PROPERTY, INCLUDING THE FOLLOWING:
- Read all instructions before using this heater.
- 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 at least 3 feet (0.9 m) from the front of the heater and keep such materials away from the sides and rear.
- Extreme caution is necessary when any heater is used by or near children or disabled persons and whenever the heater is left operating and unattended.
- Always switch off the heater when not in use.
- Do not operate any heater after the heater malfunctions or has been dropped or damaged in any manner. Disconnect power at service panel and have heater inspected by a certified/licensed electrician before reusing.
- Do not use outdoors.
- To disconnect the heater, turn off the power to the heater circuit at the main disconnect panel.
- Keep at least 4.5 inches (0.12m) from the back wall.
- Do not insert or allow foreign objects to enter any ventilation or exhaust opening as this may cause an electric shock or fire and potentially damage the heater.
- To prevent a possible fire, do not block air intakes or exhaust in any manner.
- A heater has hot and arcing or sparking parts inside. To reduce the risk of fire, do not use in areas where gasoline, paint, or flammable vapors and liquids are used or stored.
- 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.
- This product must be installed by a certified/licensed electrician, in accordance with applicable local codes.
- For supply cables, use 6 AWG (13.3 mm2) copper wires.
INSTALLATION INSTRUCTIONS
WARNING: All wiring must be installed by a certified/licensed
electrician. The heater must be grounded in accordance with applicable
national and local building codes.
WARNING: To reduce the risk of fire, do not store or use gasoline or
other flammable vapors and liquids in the vicinity of the heater. All wiring
procedures and connections should be in accordance with applicable national
and local codes.
NOTE: Compatible with a 240V Line Voltage Double Pole Wall Thermostat.
Must be installed by a certified/licensed electrician.
Before installation:
Disconnect the main supply connection. Supply cables should be 6 AWG (13.3
mm2) copper wires. The heater must be connected to an individual branch
circuit protected by a 60 Amp circuit breaker only. Supply cables must be
equipped with a dual pole circuit breaker rating at least 240V 60A/pole as
main cutoff switch of power connection to the heater. The wiring compartment
for accommodating supply cables and pigtail leads are adequate and measured
free space of 2524.67 cm3.
Tools/ Materials Needed (Not Included):
- Regular Screwdriver Set
Unpacking Contents：
- Heater
- Owner’s Manual
- Warranty Card
- Heater Handle
- Do not install closer than 1 foot (or 0.3 m) to any adjacent vertical surfaces or walls.
- Keep at least 4.5 inches (0.12m) from the back wall (regardless of whether the wall mount bracket is used).
- Insert the handhold and tighten the screws.
- Run the electrical power supply cable in a flexible conduit and connect to the wiring compartment via the knock-out at the rear of the heater.
- Make the connections properly with connectors that are suitable for the conductor size, including ground wires. After making the connections, arrange the pigtail leads of the unit and power supply wires in the wiring compartment.
SPECIFICATIONS
10,000W/240V GARAGE HEATER WITH CART
- Model: DR-910M
- Voltage: 240 V
- Watts: 10,000 W
- Frequency: 60 Hz
Recommended Heating Capacity: 1.25watts / ft³ (0.03m³) Thermostat Temperature Range: 37˚F~104˚F (3˚C~40˚C)
Wiring Diagram: 60Amp, 240 Volt Please use 6 AWG copper wire
PARTS OF THE HEATER
- Hand Hold
- Upper Housing
- Louver for air direction
- Lower Housing
- Tilt Adjustable Knob
- Wheel
- Control Panel
- ON/OFF Switch
- Thermostat Adjustment Knob
OPERATING INSTRUCTIONS
WARNING – The heater must be properly installed before it is used.
HAZARD OF ELECTRIC SHOCK, EXPLOSION, OR ARC FLASH:
- Apply appropriate personal protective equipment (PPE) and follow safe electrical work practices. See NFPA 70.
- A circuit breaker must be installed and serviced only by qualified electrical personnel.
- Always use a properly rated voltage sensing device to confirm power is off.
The switch on the heater is to start the Fan and Heater. Use the circuit breaker as power ON/OFF for the heater. The circuit breaker is to be installed by a certified/licensed electrician and should be located in line of sight from the heater location or should be capable of being locked in open position. Follow the operating instructions to reduce the risk of fire, electric shock, injury, or death to persons.
- Switch on the circuit breaker.
- To turn off the heater, switch off the circuit breaker. The circuit breaker serves as the power source for the heater.
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. To reset the heater, switch the circuit breaker OFF. Then, wait five to ten minutes for the heater to cool down before turning the heater on again.
MAINTENANCE AND CLEANING
No user maintenance on this heater should be undertaken except regular
cleaning as described below. All other servicing or maintenance should be
performed by qualified service personnel.
Before any cleaning, make sure that:
- The power supply is disconnected at the source. Switch off the circuit breaker.
- Wait 60 minutes to ensure the heating element has cooled down. Your heater is now ready for cleaning.
Regular Cleaning:
- Do not spray chemicals or other cleaning liquids on the heater.
- Interior dust can often be removed by using a vacuum cleaner with a crevice tool attachment.
- To clean the enclosure, use a clean, soft, and lightly damp cloth to gently wipe off the dirt from the surface of the unit. Make sure the heating element and the switches do not get wet. Allow the unit to dry completely before use.
CAUTION: DO NOT ALLOW WATER TO RUN INTO THE INTERIOR OF THE HEATER AS THIS COULD CREATE A FIRE OR ELECTRIC SHOCK HAZARD, DAMAGING THE UNIT.
TROUBLESHOOTING
If your heater fails to operate, please follow these procedures:
This heater is intended to be a cart-mounted heater. It has thermal cut-off
protection. If the thermal cut-off protection trips, switch off the power.
Switch off the circuit breaker. The unit should reset automatically after 10
minutes. If the thermal cut-off protection trips again, consult a
certified/licensed electrician to determine the reason for overheating.
| Problem | Probable Cause | Solution |
|---|
Unit is not heating.
|
Overheat protection has temporarily deactivated the heater.
| Turn the heater OFF. Switch off the circuit breaker. Wait 10 minutes before turning on the heater.
Breaker/Fuse has been tripped.
| Check your electrical box to confirm the breaker has not been blown. This may occur if the receptacle is shared with other high consumption
appliances.
The heater is producing a burning smell.
| Check & ensure there are no combustible materials within
0.9 meters (3 feet) surrounding
the heater.
| Remove any combustible items from the vicinity of the heater.
A drop of oil fell on the heating coil during the manufacturing process. It
will quickly evaporate and should not occur again.|
Ensure room in which heater is situated is well ventilated.
Ensure a minimum clearance of 1ft (12 inches) from both sides, and 4.5 inches from the back.| Reposition the heater so there is enough space between the heater and any adjacent surface/wall.
PLEASE DO NOT ATTEMPT TO OPEN OR REPAIR THE HEATER YOURSELF. DOING SO COULD CAUSE DAMAGE TO THE HEATER OR PERSONAL INJURY.
How long is the warranty?
This heater comes with a ONE-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.
Warranty Information
Register your product at our website:
Or visit DrHeaterUSA.com/register-yourheater
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Dr. Heater USA
860 Mahler Road
Burlingame, CA 94010
Tel: 1-800-317-1688
EMAIL: SERVICE@DRHEATERUSA.COM
Dr Heater USA
@Dr Heater USA
Dr. Heater USA
Dr. Heater USA
References
Read User Manual Online (PDF format)
Read User Manual Online (PDF format) >>