Rheem Guardian PowerVent User Manual

Guidance on setting water temperature for safety and energy conservation.

Precautions and warnings regarding electrical shock risks during service.

Sensor monitoring for flammable vapors.

Integrated module regulating gas and controlling operations.

Safety device tripping at excessive temperature.

Safety device sensing vacuum to verify venting.

Lockout triggered by flammable vapor sensor fault.

Control verifies vacuum switch is open before blower operation.

Blower motor starts, creating vacuum for safety switch.

Spark ignitor activates to ignite pilot gas.

Pilot flame is established and rectified.

Main gas valve opens after pilot flame is recognized.

Main burner ignites and flame rectification occurs.

Blower activates if flame is sensed when it should not be.

Introduction to the LED diagnostics system.

Explanation of flash code patterns and meanings.

Troubleshooting codes related to ignition and sensor failures.

Troubleshooting codes for switch and vacuum system faults.

Troubleshooting codes for power, ECO, and safety issues.

Procedure to test blower motor functionality.

Steps to diagnose vacuum switch issues.

Procedure to measure thermistor resistance for testing.

Procedure to test the ECO safety device for continuity.

Procedure to test the vent over-temperature switch.

Procedure to verify spark generation from the ignitor.

Normal and failure resistance values for the sensor.

Troubleshooting steps when the pilot fails to light.

Troubleshooting steps when the pilot extinguishes.

Troubleshooting steps for main burner flame issues.

Step-by-step instructions for reinstalling the gas control valve.

Connecting the new vent over temp switch wiring.

Step-by-step instructions for replacing the vacuum switch.

Step-by-step instructions for removing the FV sensor.

Step-by-step instructions for installing the FV sensor.

Procedure to reset the control for specific error codes.

Troubleshooting for White Rodgers gas valve errors 14 and 15.

Procedure to reset the White Rodgers control after FV sensor check.