Lochinvar Condensing Boiler OFL0751

Vent any remaining air from the system using manual vents

Turn the main power off to the boiler by placing the 'On/Off' switch in the OFF position.

Turn the main power on to the boiler by placing the 'On/Off' switch in the ON position.

Remove the fitting from the flue collector.

Insert the probe from a combustion analyzer into the hole left by the removal of the fitting.

Navigate to the Setup Screen from the Home Screen by pressing the SETUP button along the left side of the screen.

Ensure the water meets the requirements of the manual before filling the system.

Fill to correct system pressure

Did the pressure rise when the boiler was turned ON and system water temperature increased?

Check the system thoroughly for any leaks during initial fill and boiler startup.

Describe any leaks found and repairs made.

Connect a hose to the purge valve and route it to a drainage area.

Flush the entire heating system prior to fill and start-up

Clean the entire heating system with an approved pre-commissioning cleaner

Follow manufacturer's recommendation for cleaning to remove debris and prolong the life of the heat exchanger

Clean all water filtering devices in the system

Flush the cleaning solution out of the entire system

Check for gastight seal at every connection, seam, and vent piping

Is the venting system sealed gastight to prevent flue gas spillage and carbon monoxide emissions?

Describe any issues found related to flue gas spillage or carbon monoxide emissions