6.The auger motor will not function normally

-Make sure the exhaust blower is operating.

-Make sure the dial-a-fire is turned on.

-Unplug the stove and open the side and back panels.

-Check all the connections to the auger motor, auger dial-a-fire, vacuum sensor, 200°F (93°C) temperature sensor and the timing control module against the wiring diagram in this manual.

-Check the condition of the vacuum hose (located on the left side of the stove). It should not be cracked or torn and should be installed on the top air inlet tube on the vacuum sensor.

-Check the manual reset button on the 200°F (93°C) temperature sensor. If this sensor has been tripped, check for the cause of the over-heating before pushing the red button in. Check auger for movement.

-If the auger still does not work, then apply 115 V directly to the auger motor. If the auger motor does not work, replace it.

-By-pass the 200°F (93°C) temperature sensor with a jumper wire check the auger. If the auger works replace the sensor.

-Check the vacuum sensor by placing a jumper wire between the blue wires that are attached to the sensor. If the auger works, test to see if the exhaust blower is producing enough firebox vacuum.

-To test the exhaust vacuum place a magnehelic gauge in the sensor end of the vacuum tube. It should read 0.23” wc. If the reading is good then replace the vacuum sensor.

-If the auger motor still does not work, then attempt to by-pass the auger dial-a-fire control by removing the leads from the timing control module’s second delay pins and placing a jumper across the pins. If the auger now cycles very quickly, test the dial-a-fire potentiometer. If the auger did not cycle then replace the timing control module.

-To test the dial-a-fire potentiometer. The potentiometer should have a range of 34K to approximately 900 K (± 10%), if the range is not close then replace the potentiometer. Check the voltage across the load pins of the timing module. It should be around 1-2 V, cycling to line voltage during an auger pulse. If not, replace the timing control module.

7.The dial-a-fire has no effect on the fire

-Make sure all connections to the timer control module are secure.

-Perform a resistance test to the dial-a-fire potentiometer, by placing the two test leads from a multimeter into the leads of the potentiometer. The potentiometer should have a range of 34K to approximately 900 K (± 10%).

Potentiometer Readings:

Full counter-clockwise (switched off) = open circuit, overload or Infinite resistance

Low fire

800 K to 900 K

High fire

34 K to 40 K

If the range is not close or does not vary then replace the potentiometer.

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Enviro EF-IV I technical manual Auger motor will not function normally, Dial-a-fire has no effect on the fire
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EF-IV I specifications

The Enviro EF-IV I is an innovative next-generation environmental control unit designed to meet the diverse needs of modern aviation. With a strong focus on efficiency, reliability, and sustainability, the EF-IV I has garnered attention for its cutting-edge features and advanced technologies that elevate cabin comfort while reducing the ecological footprint.

One of the most notable features of the Enviro EF-IV I is its hybrid cooling technology. By integrating both conventional and thermal energy systems, the unit can operate with higher efficiency across various conditions. This technology allows for significant energy savings while maintaining optimal temperature control in the cabin, making it an ideal choice for eco-conscious airlines looking to minimize operational costs.

The EF-IV I boasts a sophisticated air filtration system that enhances cabin air quality. Utilizing advanced HEPA filters and multi-layer filtration processes, this unit captures airborne particles and contaminants, ensuring that passengers breathe clean and fresh air during their flights. Its intelligent monitoring system continuously assesses air quality parameters and adjusts filtration performance in real-time, providing a proactive approach to maintaining a healthy cabin environment.

In terms of user interface, the EF-IV I is equipped with an intuitive digital control panel that allows crew members to easily monitor and adjust settings. This interface features an interactive display providing valuable data on system performance, energy consumption, and maintenance schedules, empowering operators with real-time insights that contribute to seamless operations.

The compact design of the EF-IV I facilitates easier installation and integration into existing aircraft systems, making it a flexible choice for both new aircraft and retrofitting older models. Its lightweight materials and streamlined construction not only minimize weight and improve fuel efficiency but also enhance overall durability and reduce maintenance requirements.

Finally, the Enviro EF-IV I is built with sustainability in mind. Its materials and manufacturing processes are compliant with international environmental standards, ensuring that the unit adheres to stringent regulations and contributes positively to the overall environmental impact of aviation.

With its advanced features, sustainability focus, and commitment to enhancing passenger experience, the Enviro EF-IV I represents a significant step forward in environmental control technology for the aviation industry. It is a testament to the ongoing innovation and dedication to creating a more sustainable future in air travel.
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