SIMUGAS TM is a gas furnace simulator and troubleshooting training system, designed for HVAC students and service technicians. The simulator is an invaluable tool for teaching students the basics of gas furnace operation and troubleshooting, as well as improving the service skills of experienced technicians.
SIMUGAS simulates two generic versions of gas furnaces that a service technician would commonly encounter in the field. They include a high-efficiency condensing furnace, using hot-surface ignition (HSI), and a standard-efficiency furnace, using standing pilot ignition. Indoor and outdoor temperatures, room thermostat, burner air-shutters, fan limit, high limit, heat anticipator, and manifold pressure are all adjustable. Up to 30 different mechanical and electrical faults may be inserted into the simulator. The first 20 faults are shown below.
SIMUGAS provides "point-and-click" selection of meters and test points, and display of temperatures and pressures in either imperial or metric. For troubleshooting the simulator, the following on-screen test instruments are included:
SIMUGAS provides testing and troubleshooting of components and devices commonly found in gas furnaces, including the following:
|Primary heat exchanger||Secondary heat exchanger||Combustion chamber|
|Burners||Gas valve||Pilot burner|
|Thermocouple||Blower and vent blower motors||Control transformer|
|Blower and heat relays||Gas control valve||Hot-surface ignitor element|
|Hot-surface ignition module||Gas control coil||Flame sensor|
|Run capacitor||Room thermostat||High-limit switch|
|Vent pressure switch||Rollout switch||Circuit breaker|
An on-screen combustion analyzer displays the following values:
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