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COMMONLY ASKED QUESTIONS
Q. Will the room heat up faster with the thermostat turned up to 90
degrees?
A. No, the heater is always on full wattage when the thermostat is below
the pre-set temperature. The thermostat shuts off when the pre-set
temperature is reached, therefore set the thermostat to the desired
comfort level, not above.
Q. Will the electricity bill be lower using 240V heaters?
A. No, electricity is billed by kilowatt hours, voltage makes no difference.
Typically, baseboard heaters are 240V because of wiring capacity, i.e.
240V heaters draw less Amps than 120V heaters.
Q. What is the difference between a two pole and a single pole
thermostat?
A. A 1-P thermostat has no positive off position. That means when the
knob is turned all the way to the left (counterclockwise) it has a low
TROUBLESHOOTING CHART FOR BASEBOARD HEATERS
SYMPTOM
Breaker trips
Heater not working
Heater smokes
Room temperature
does not match
thermostat setting
Room temperature
swings from too
hot to too cold
Maintenance: The high quality and superior design of this heater will provide years of trouble-free performance. Each year the heater should
be checked and cleaned for lint and dust accumulation. King recommends using a soft bristled brush or a can of compressed air to knock off
contaminates, then vacuum out the debris.
Warranty: King Electrical Mfg. Co. will repair or replace without charge to the original owner any baseboard heater found to be defective or
malfunctioning for 5 years from the date of purchase. If the product becomes defective within the warranty period contact King at 800-603-
5464 for instructions on how to repair or replace the heater. Do not return the heater to the store. Products returned without authorization will
be refused.
KING ELECTRICAL MFG. CO. · 9131 10TH AVENUE SOUTH · SEATTLE, WA 98108 · TEL: 206.762.0400 · FAX: 206.763.7738
PROBLEM
1. Short circuit
2. Overloaded circuit
3. Improper voltage
1. No power
2. Loose connections
3. Defective limit
1. Oil on element
2. Needs cleaning
1. Thermostat affected
by another heat source
2. Improper calibration
1. Defective or low quality
thermostat
setting. A 2-P thermostat breaks an additional line when the knob is
turned to the off position. The heater will not turn on with the knob in the
off position.
Q. Can the baseboard heater be painted?
A. Yes. A semi or gloss latex enamel will hold up to the heat but will not
last as long as the original baked enamel fi nish.
Q. How much heat do I need?
A. A general rule of thumb is 10 Watts for every square foot of fl oor space.
For example: A 10' x 10' room is 100 ft² (10 w/ft² x 100 ft²) and would
require 1000 Watts of heat. If you live in a cold climate or if the room
has a ceiling height above 8 feet use up to 15 w/ft².
SOLUTION
1. Find source of short. Trace heater circuit and verify the heater is wired
properly.
2. Reduce wattage in circuit. Refer to circuit sizing table for maximum
wattage.
3. Verify the heater voltage matches the supply voltage.
1. Turn breaker on. Turn thermostat on. Check that the breaker is posi
tioned properly on panel bus-bar. A 2-Pole breaker must be connected
to both bus-bars (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 fi nishing oil used in
the manufacturing process when fi rst energized. Open windows and
allow room to vent until it stops, usually within a few minutes.
2. Remove any dust or dirt accumulation.
1. Sunlight or other heat sources can affect the thermostat. Move 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
fairly accurate; an electronic thermostat is the best.
CB.indd : 2/09
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