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Фрагмент инструкции
Maintenance As needed, or every six months minimum. 1. WARNING! Before removing grill, turn the electrical power off at the electrical panel board (circuit breaker or fuse box). Lock or tag the panel board door to prevent someone from accidentally turning the power on while you are working on the heater. Failure to do so could result in serious electrical shock, burns, or possible death. 2. It is important that you verify power has been turned off and no power is going to the heater before proceeding. 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. 3. Once you verify the power has been turned off correctly, proceed to the next step. 4. Remove thermostat knob, if equipped. Remove the screws and take off grill. 5. Wash grill with hot, soapy water and dry immediately. 6. If present, remove the screws securing the heater assembly to the opening, then pull heater out of opening. 7. Remove the four screws securing the lid to the top of the heater assembly, remove lid. 8. Thoroughly vacuum accumulated dust, lint or other debris from blower wheel and heater outlet. Important: Be careful not to damage the blower wheel, and do not allow the blower wheel to spin freely when vacuuming. 9. Install lid and slide heater assembly back into opening. Secure heater assembly to opening, then install grill and thermostat knob (if equipped). 10. Restore power to heater at circuit breaker panel or fuse box, then test heater operation by turning thermostat on and/or adjusting to a higher temperature. About the Manual Reset Temperature Limit Control The heater is protected by a temperature-limit control. The manual reset temperature limit control is designed to open the heater circuit when excessive operating temperatures are detected. The problem must be assessed and the limit must be reset to resume operation. Resetting the Manual Reset Temperature Limit Control If the manual reset limit control has opened the heater circuit due to excessive operating temperatures, the heater will not work until the manual reset limit button is pressed. After allowing the unit to cool for at least 15 minutes and resolving the problem causing the limit to trip (typically heater is blocked or needs cleaning), use a narrow object such as a ball-point pen to access the manual reset button through the heater grill. Press FIRMLY, and be sure to listen and feel for a click, indicating it has been reset. Wiring Diagram UCWith inbuilt single pole thermostat WARNING Risk of Electrical Shock. Connect grounding lead to grounding wire provided. Keep all foreign objects out of heater. WARNING Risk of Fire. Heater must be kept clear of all obstructions: a minimum of 3 feet in front; 6 inches on both sides. Heaters must be kept clean of lint, dirt and debris. WARNING Turn the electrical power off at the electrical panel board (circuit breaker or fuse box) and lock or tag the panel board door to prevent someone from turning on power while you are working on the heater. Failure to do so could result in serious electrical shock, burns, or possible death. Troubleshooting Chart Troubleshooting Chart CONSULT LOCAL ELECTRICAL CODES TO DETERMINE WHAT WORK MUST BE PERFORMED BY QUALIFIED ELECTRICAL SERVICE PERSONNEL. Symptom Problem Solution Breaker trips immediately 1. Incorrect supply voltage. 1. Verify that supply voltage matches the heater rating. upon energizing heater. 2. Overloaded circuit. 2. The total amperage of all heaters on a branch circuit must not be more than 80% of the amperage rating of the circuit breaker and supply wire ratings. Use a lower wattage heater, or reduce the number of heaters in the circuit. 3. A short circuit exists in the supply 3. Shorted supply or heater wires may be accompanied by severe sparking. Inspect or heater wiring. all supply and heater wiring insulation for damage. Do not reset the circuit breaker until all electrical shorts have been repaired. 4. Defective circuit breaker. 4. Replace the circuit breaker. Heater fan operating, 1. Insufficient element temperature. 1. Allow a few moments for element to reach operating temperature. but does not discharge 2. Incorrect supply voltage. 2. Verify that supply voltage matches the heater rating. warm air. 3. Element has failed. 3. Replace element. Heater will not shut off. 1. Heat loss from room is greater 1. Close doors and windows. Provide additional insulation, or install a higher-wattage than heater capacity. heater or multiple heaters if necessary (if your circuit is rated for more capacity). 2. Adjust thermostat to its lowest setting. If heater continues to run (allow two 2. Defective thermostat. minutes for the thermostat to respond) and room temperature is greater than 50 degrees; r...
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