Weil-McLain Evergreen Pro 220 User's Manual
![Weil-McLain Evergreen Pro 220 Boiler manual cover](/images/OVuxihdkKyYKwyLFowGnKamL/thumbs/thumb175x175.webp)
Ensure the system is filled with water, power on the boiler, check for any error codes, and verify that the thermostat is set to the desired temperature. Consult the manual for detailed steps.
Check the gas supply to ensure it is on, inspect the igniter and flame sensor for any issues, and examine the error codes displayed on the control panel. Reset the boiler if necessary.
Annual maintenance is recommended. This includes inspecting the heat exchanger, checking the venting system, examining the water pressure, and cleaning the condensate trap.
Common error codes include E01 for ignition failure, E02 for flame loss, and E03 for fan speed failure. Refer to the user manual for a comprehensive list and troubleshooting steps.
Regularly clean the heat exchanger, ensure the thermostat is properly programmed, and verify that the system is free from leaks and clogs. Consider installing an outdoor reset control.
Avoid hard water to prevent scale buildup. Use a water softener or chemical treatment approved by Weil-McLain to maintain the boiler's performance and longevity.
Locate the reset button on the control panel, press and hold it for a few seconds, then release. If the lockout persists, check for underlying issues and consult the manual.
Unusual noises could be due to air in the system, low water pressure, or a malfunctioning pump. Bleed the radiators, check the pressure gauge, and inspect the pump.
Ensure proper ventilation, check for gas leaks, verify the operation of the safety relief valve, and confirm that the carbon monoxide detectors are functional.
Access the control panel, navigate to the temperature settings, and adjust the setpoint as needed. Make sure to follow the manufacturer's guidelines for safe temperature limits.