Components

The following image and list outlines the typical direct fired heater components and their functions.

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2	18	20
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19 21

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14 15

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5	6	17

1.Gas Inlet – Main gas supply connection

2.Motor Starter – Contactor with overload protection to start and protect motor.

3.Freeze-Stat Thermostat (Optional) – De-energizes blower motor if the discharge air temperature falls below the set point.

4.Cooling Interlock Relay (Optional) – Energizes power to cooling circuit on call for cooling.

5.Inlet Gas Pressure Tap – Inlet gas pressure should be measured here.

6.Combination Gas Valve - A combination of redundant solenoid valves, pilot valve and gas regulator built into one unit.

7.Pilot Tubing – Pilot tube connection to combination gas valve.

8.Manual Reset High Temperature Limit – Safety device that prevents the heater from overheating.

9.Maxitrol Modulating Amplifier - Regulates temperature by modulating gas valve

10.Power Transformer – Installed when motor voltage > 120V. Used to provide 120V service to controls.

11.Circuit Breaker – Protects electrical components from high current spikes.

12.Terminal Strip – Central location to terminate control wiring. Should be used for troubleshooting.

13.Control Transformer – 120V primary; 24V secondary control transformer.

14.Low Pressure Airflow Probe – Measures profile pressure downstream of burner.

15.High Pressure Airflow Probe – Measures profile pressure upstream of burner.

16.Modulating Gas Valve – Modulates gas flow to burner to provide proper air temperature.

17.Manifold Gas Pressure Tap – Manifold gas pressure should be measured here.

18.Flame Safety Control – Initiates and monitors flame.

19.Airflow Switch – A safety device insuring proper air flow during burner operation.

20.Ignition Transformer – Produces high voltage spark to ignite flame.

21.Intake Air Thermostat – De-energize heating circuit when intake air exceeds set-point.

22.Damper Actuator – Motor containing end switch that opens intake damper.

23.Manual Gas Shut-Off Valve Allows gas flow to burner to be shut off to leak test gas train

MR212 specifications

Energy Tech Laboratories has made significant strides in the field of energy management and efficiency with its groundbreaking product, the MR212. Designed for both industrial and commercial applications, the MR212 stands out for its cutting-edge technology and impressive features that cater to the evolving demands of the energy sector.

One of the main features of the MR212 is its advanced energy monitoring capabilities. Utilizing state-of-the-art sensors and algorithms, the device provides real-time data on energy consumption, helping businesses identify inefficiencies and optimize their energy use. This feature is crucial for organizations aiming to reduce operational costs and minimize their carbon footprint.

The MR212 is equipped with predictive analytics that harnesses machine learning to forecast energy needs based on historical data and usage patterns. This enables users to make informed decisions regarding energy procurement and management, ultimately leading to significant cost savings. Additionally, the system integrates seamlessly with existing infrastructure, making it easy to install and use without requiring a complete overhaul of current operations.

Another notable characteristic of the MR212 is its user-friendly interface. The device features an intuitive dashboard that offers visual representations of energy data, allowing users to monitor performance at a glance. Customizable alerts and notifications help users stay informed of any anomalies or significant changes in energy usage, facilitating prompt action and issue resolution.

The MR212 also supports integration with renewable energy sources, such as solar and wind power. This capability is essential for organizations looking to transition to greener energy alternatives and leverage incentives for using renewable technologies. By integrating seamlessly with these sources, the MR212 not only enhances energy efficiency but also promotes sustainability.

Moreover, Energy Tech Laboratories has ensured that the MR212 is built to withstand industrial environments. With robust construction and compliance with various industry standards, the device is designed for longevity and reliability, providing users with peace of mind.

In conclusion, the Energy Tech Laboratories MR212 is a comprehensive energy management tool that combines advanced monitoring, predictive analytics, and seamless integration with renewable energy sources. Its user-friendly interface and durability make it an ideal choice for businesses seeking to enhance their energy efficiency and sustainability practices. As the demand for smarter energy solutions continues to rise, the MR212 stands at the forefront, paving the way for a more efficient and sustainable future.