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Air / Fuel Controllers
Air / Fuel Controllers   |  Bi-Fuel Systems  |  Ignition Systems  |  Speed Governing

EPC 50
 
http://stressmaster.com/images/jpegs/BreakingRope.jpgThe Altronic EPC-50 is an air/fuel ratio controller designed for use on low-horsepower, carbureted natural gas-fueled engines. It employs microprocessor technology, allowing for a high level of sophistication in control strategy, ease of configuration and diag - nostic capability. The EPC-50 and associated small engine-specific control valves are designed for use on engines operating at or near a stoichiometric air/fuel ratio and is ideally suited for application with 3-way catalytic converters. While it is designed to be mounted in the engine/compressor control panel, a NEMA 3R housing (720004-1) is also available as an alternative mounting option.

EPC-50(e) 8-12: EPC-50/50e Brochure
EPC-50/50e OM 8-12: EPC-50/50e Operating Manual
 
EPC 100E
 
http://stressmaster.com/images/jpegs/BreakingRope.jpgControl of the air/fuel ratio, particularly on engines with highly dynamic ambient and/ or operational conditions. The EPC-100E combines a proven control approach with the ability to tailor both the lambda setpoint and responsiveness to any excursions in the monitored air/fuel ratio. An effective, closed-loop control approach and simplicity of installation and setup have made it the control of choice worldwide. Recently, however, many users have found it necessary or helpful to apply new air/fuel ratio control capabilities as part of a larger effort to secure more consistent Air/Fuel Ratio Control Systems and Accessories or even further reduced exhaust emission levels across a range of operating conditions.

The EPC-100E offers advanced, usercustomizable control parameters for the dynamic adjustment of the target O2 setpoints and controller gains, as well as a means of inhibiting automatic control on the basis of satisfying an external parameter such as load or a post-catalyst O2 setpoint. This is accomplished through the use of a proprietary, high-level Windows™-based software package. For example, an EPC-100E can be dynamically adjusted versus load (typically derived via an input transducer monitoring air manifold pressure).

EPC-100E OM 5-06: EPC-100E Operating Manual
 
 
EPC 110
 
http://stressmaster.com/images/jpegs/BreakingRope.jpgIn control strategy, ease of programming and diagnostic capability. The EPC-110 is intended for stand-alone, off-engine, post- or wall-mounting. The EPC-120 is intended for off-engine, panel mounting. Both controllers are identical in operation. The EPC-110/120 is designed foruse on engines operating at or near a stoichiometric air/fuel ratio (lambda .95 – 1.05) and is ideally suited for application with 3-way catalytic converters. The control approach of the EPC- 110/120 assures engine operation at the optimum lambda (exhaust oxygen) setpoint determined to be the point of maximum catalytic converter efficiency and minimum engine emissions. Once determined (through an analysis of the engine exhaust), it is entered into the EPC-110/120 as the control setpoint. Using a sensor in the exhaust stream to sense the O2 content, the unit begins to adjust the flow of fuel to meet the proper exhaust oxygen setpoint(s) for minimum emissions. The full-authority fuel control valve(s), mounted in the fuel line between the carburetor and the final cut regulator, assures precise, repeatable control of the air/fuel ratio without resorting to the potentially dangerous strategy of adding fuel to the air intake of the engine.

EPC-110-120-100E-150 11-10: EPC-110-120-100E-150 Brochure
EPC-110/120 OM 10-07: EPC-110/120 Operating Manual
 
 
EPC 120
 
http://stressmaster.com/images/jpegs/BreakingRope.jpgIn control strategy, ease of programming and diagnostic capability. The EPC-110 is intended for stand-alone, off-engine, post- or wall-mounting. The EPC-120 is intended for off-engine, panel mounting. Both controllers are identical in operation. The EPC-110/120 is designed foruse on engines operating at or near a stoichiometric air/fuel ratio (lambda .95 – 1.05) and is ideally suited for application with 3-way catalytic converters. The control approach of the EPC- 110/120 assures engine operation at the optimum lambda (exhaust oxygen) setpoint determined to be the point of maximum catalytic converter efficiency and minimum engine emissions. Once determined (through an analysis of the engine exhaust), it is entered into the EPC-110/120 as the control setpoint. Using a sensor in the exhaust stream to sense the O2 content, the unit begins to adjust the flow of fuel to meet the proper exhaust oxygen setpoint(s) for minimum emissions. The full-authority fuel control valve(s), mounted in the fuel line between the carburetor and the final cut regulator, assures precise, repeatable control of the air/fuel ratio without resorting to the potentially dangerous strategy of adding fuel to the air intake of the engine.

EPC-110-120-100E-150 11-10: EPC-110-120-100E-150 Brochure
EPC-110/120 OM 10-07: EPC-110/120 Operating Manual
 
 
EPC 150
 
http://stressmaster.com/images/jpegs/BreakingRope.jpgThe EPC-150 is designed for use on all lean-burn, carbureted, natural gas-fueled engines. Suitable applications include Caterpillar 3400 and 3500-series, Waukesha VHP-class, and most Cummins and Superior models. This innovative control offers reliable, precise, and positive air/fuel ratio control, with simple installation and operation.

EPC-150 OM 12-04: EPC-150 Operating Manual
 
EPC 200
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EPC 200
Coming Soon!
http://stressmaster.com/images/jpegs/BreakingRope.jpgComplete air/fuel ratio and ignition timing control for fuel-admitted gas engines is provided by the Altronic EPC-200 Engine Performance Controller. Replacing obsolete OEMand/or pneumatic controls,this flexible andfully-configurable system is an effective upgrade solution for operators of turbocharged integral compressor engines, as well as high-speed, fuel-admitted separable engines including many Superior and MEP models.
EPC 10-07: EPC-200 Engine Performance Controller Brochure
EPC-C OM 4-90: EPC-200 Operating Manual

 
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