IMPORTANT INSTRUCTIONS
WHF Fan Force
Electric Space Heater
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DANGER
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ELECTRIC SHOCK OR FIRE HAZARD
Figure 1
Covers all WHF Series models
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WARNING
Read Carefully - These instructions are written in an effort to prevent potential difficulties that might arise during
installation. Studying the instructions first may save you considerable time and money later. Observing the following
procedures will keep installation time to a minimum. Save these instructions for future use.
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IMPORTANT INSTRUCTIONS
When using electrical heating 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 wiring or using this
heater.
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2. WARNING: 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, boxes,
etc., and curtains at least 3ft (.9 m) from the
front of the heater and keep them away from the
sides and rear.
3. CAUTION: Extreme caution is necessary when
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any heater is used by or near children or invalids
and whenever the heater is left operating and
unattended.
4. Do not operate any heater after it malfunctions.
Disconnect power at service panel and have
heater inspected by qualified electrician for repair before reusing.
5. Do not use outdoors.
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6. WARNING: To disconnect heater,
turn controls to OFF, and turn
OFF power to heater circuit at
Figure 2
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main disconnect panel.
7. WARNING: 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.
8. To prevent a possible of fire, do not block air intakes or exhaust in any manner.
9. A heater has hot and arching or sparking parts
inside. Do not use it in areas where gasoline,
paint, or flammable vapors or liquids are used or
stored.
10. WARNING: Use this heater only as described in this
manual. Any other use is not recommended by the
manufacturer and may cause fire, electric shock,
explosion or injury to people and or property.
SAVE THESE INSTRUCTIONS
King Electrical Mfg. Co. 9131 10th Ave So. Seattle, WA 98108 206-762-0400 www.king-electric.com
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WHF INSTALLATION INSTRUCTIONS
CAUTION!
Turn OFF all electrical power
to install heater
Figure 2
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DANGER
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ELECTRIC SHOCK OR FIRE HAZARD
Figure 3
Selecting A Location For Your Heater:
DO NOT install less than 6” (15cm) from vertical side
walls or open edge of door. This heater must have an
unrestricted airflow. DO NOT select a location where it
is likely to be blocked by furniture, curtains, etc. Be
sure the location selected allows sufficient space for the
heater as shown by Table 1. DO NOT locate this heater
in an area where combustible vapors, gases liquids, or
excessive lint, dust or moisture is present.
Minimum Clearances for heater: Table 1
Front TOP BOTTOM SIDES
36 in 12 in 4 in 6 in
0.9 m 30.5 cm 10.2 cm 15.2 cm
Zero clearance to insulation.
The wire and breaker sizing chart will give a general rule
of installation size. Consult an electrician if you are not
knowledgeable about wiring codes.
Wire and Breaker Sizing: Table 2
Total Amps
0 thru 12 #14 15 amp
12.1 thru 16 #12 20 amp
16.1 thru 24 #10 30 amp
Minimum AWG. Wire
Size (Copper
WIRING: Branch Circuit Connection
1. Connect heater only to the voltage, amperage and
frequency specified on the nameplate.
2. Wiring procedures and connections shall be in accordance with all National and local codes having
jurisdiction.
3. Set the bag containing the grille and packet with
two (2) grille screws aside.
4. Loosen mounting screw and remove fan heater assembly.
5. A knockout of 1/2 inch conduit size (7/8 inch /
2.2cm) is provided in the back and side of the heater
for power to enter. Provide proper strain relief connectors for your wire entering the wallbox.
Circuit Breaker or
Fuse Size
Rating Label Location
Figure 4
6. Install wallbox a minimum of 6” from vertical side-
walls and 4” above floor. The front edge of wall
can MUST extend 1/2” beyond finished wall sur-
face.
7. Secure wallbox to the 2 x 4 studs using the two (2)
holes on the side of the wallbox. Secure to wall stud
on opposite side if required.
8. Connect supply wires, attach ground feed wire to
the green ground wire with wire nuts.
9. Reinstall heater assembly into wallbox with screw at
top of interior.
10. Install grille securely with screws provided in packet. Do not over tighten.
11. Test unit by turning thermostat up past room temperature. You will see a puff of smoke as the elements are energized and the fan turns on. This is a
normal burn off of manufacturing lubricants and will
dissipate in 5 minutes.
12. Heater will continue to run until the room temperature you set is reached and then turn itself off until
the temperature drops again.
CAUTION - High temperature. Risk of fire, keep electri-
cal cords, drapery, furnishings, and other combusti-
bles at least 3 feet (0.9 m) from the front of the
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heater as well as away from the side and rear. To
reduce the risk of fire, do not store or use gasoline or
other flammable vapors and liquids in the vicinity of the
heater.
Wiring Diagram Figure 5
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WHF Series Heater
OPERATING INSTRUCTIONS
This heater is equipped with a thermal overload
Smart Limit Protection which disconnects ele-
ments and motor in the event normal operating
temperatures are exceeded. If thermal overload trips
due to abnormal operating temperatures, thermal overload shall remain open until manually reset by turning
the heater OFF for fifteen minutes. Inspect for any objects on or adjacent to the heater that may cause high
temperatures. After inspecting the heater, keep the
power to the heater off for 10 minutes to reset the SLP
thermal protector. If the SLP thermal protector shuts
the heater off again, immediately turn the heater OFF
at the circuit breaker and inspect the heater for possible
fan motor failure or dirt and lint on the heating element. Repeat the starting procedure. DO NOT TAMPER
OR REMOVE THIS THIS DEVICE.
General information and Guidelines:
This heater must be properly installed before it is used.
DO NOT tamper with or change the operating of this
heater. All service should be preformed by a authorized
service representative. Only replace components with
King approved replacement parts.
Warning: Clean Heater annually. Wait for heater to
cool before removing grill. Use only a soft brush or vacuum on blow to clean heater. Re-attach grill before reapplying power.
Troubleshooting Table
Operation:
1. This heater must be properly installed in accordance
with the National Electrical Codes (NEC) & local
electrical codes before it is used.
2. After the electric heater has been completely installed, all thermostats should be turned to LOW or
NO HEAT. Turn ON breakers, wait 3 to 5 minutes and
check to see that the heaters are not operating. If
operating, disconnect power and check for improper
wiring. If none are operating then turn thermostats
to highest position and wait 3 to 5 minutes. Check to
see that all heaters are operating. Should any not be
operating, disconnect power and check wiring.
3. Allow entire system to operate steadily for 1/2 hour.
This should remove oily residue from manufacturing.
(Some smoking may occur).
4. Select the setting for comfort on all thermostats.
5. A safety limit control is provided to turn off the
heater automatically if it is blocked or otherwise
overheats due to an abnormal condition. DO NOT
bypass or remove this safety device from the electrical circuit-see Warning Figure 3 on page 2. During
normal use, this safety control should not operate. If
you find that this control is operating, make sure the
heater is not being blocked. If it continues to cycle
the heater off, disconnect power to heater and have
it checked and repaired by a qualified electrician.
SYMPTOM PROBLEM SOLUTION
Breaker Trips 1. Short Circuit
2. Overloaded Circuit
3. Improper Voltage
Heater not working 1. No Power
2. Loose Connections
3. Defective Limit
Heater Smokes 1. Oil on Element
2. Needs Cleaning
Room Temperature
does not match
thermostat setting
Room Temperature
swings from too hot
to too cold
1. Thermostat affected
by another heat
source.
2. Improper calibration
1. Defective or low
quality thermostat
1.
2.
3. Verify the heater voltage matches the supply voltage.
1. Turn Breaker ON, turn thermostat ON, check that the breaker is position
properly on panel bus-bar. A 2-Pole breaker must be connected to both busbars (A&B phase) to produce 240V power.
2. Tighten wire connections.
3. By-pass the limit to test. If heater works, replace the limit.
1. It is normal for the element to burn off some light finishing oil used in the
manufacturing process when first energized. Open windows and allow room
to vent until it stops, usually within a few minutes.
2. Remove any dust or dirt accumulations.
1. Sunlight or other heat sources can affect the thermostat. Move the thermo
stat to another location or remove the heat source.
2. Remove cover and adjust calibration screw.
1. Replace with a better quality thermostat. Anticipated thermostats are fair-
ly accurate; an electronic thermostat is best.
SAVE THESE INSTRUCTIONS
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Troubleshooting Table
Maintenance & Cleaning: Basic maintenance is listed below and should be performed annually.
When necessary, any required servicing should be performed by qualified service personnel. Your
heater will give you years of service and comfort with only minimum care. To assure efficient operation follow the simple instructions below.
Figure 6
1. Before removing grill, turn the electrical power OFF and elements to cool. Circuit breakers are often not marked
correctly and turning the wrong breaker off could mean electricity is flowing to the heater, even if the heater
does not appear to be working. If you are uncomfortable working with electrical appliances, unable to follow
these guidelines, or do not have the necessary equipment, consult a qualified electrician. Once you verify the
power is off completely and element is cool, proceed to the next step.
2. Remove screws and take off grill. Wash grille with hot soapy water and dry immediately
3. Using a hair dryer or vacuum on blow cycle, blow debris back through the element. Do not touch element.
Vacuum or use a soft brush and remove lose debris without touching the elements. The fan motor does not re-
quire lubrication.
4. Re-attach grill and secure with screws.
5. Turn thermostat to desired setting.
6. Turn power back ON at the electrical panel board.
WARNING: All other servicing should be performed by an authorized service personnel.
Figure 7
Connection Diagram for Wall Mounted Single Pole Thermostat
1. Red thermostat wire to black power supply wire.
2. Black thermostat wire to black heater wire.
3. White power supply wire to white heater wire.
4. Connect all bare ground wires together.
King Electrical Manufacturing Company will repair or replace, without charge to the original owner, any WHF Series heater
found to be defective or malfunctioning within 1 year of installation. This warranty requires the owner or his agent install the
equipment in accordance with the National Electrical Code, any other applicable heating or electrical codes, and the manufacturer’s installation instructions. It further requires that reasonable and necessary maintenance be performed on the unit.
Failure to properly maintain the unit will result in the warranty being voided. The company is not liable for abuse or misuse of
product as may be finally determined by the company. The customer shall be responsible for all costs incurred in the removal
or reinstallation of products, including labor costs and shipping costs incurred to return products to King Manufacturing. King
Manufacturing will repair or replace, at our option, at no charge to the customer with return freight paid by King. King Manufacturing shall not be liable for consequential damages arising with respect to the product, whether based upon negligence,
tort, strict liability or contract. No other written or oral warranty applies, nor any warranties by representatives dealers, employees of King, or any other person. All returns require a King Return Goods Authorization (RGA); Unauthorized returns will
be refused. Do not return malfunctioning/defective products to store.
Remote Wall Thermostat
Connection Diagram for Wall Mounted Double Pole Thermostat
1. Connect the two red thermostat wires to the black
and white power supply wires.
2. Connect the two black thermostat wires to the black
and white heater wires.
3. Connect all the bare ground wires together.
Warranty Information
King Electrical Mfg. Co. 9131 10th Ave So. Seattle, WA 98108 206-762-0400 www.king-electric.com
w_install_2013.pub
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