Carrier BW4- Manuals

2 Instruments are the only reliable method to determine proper air adjustments. An improperly adjusted burner causes soot and high fuel bills because of incomplete combustion of the fuel oil. This in turn may require excessive boiler maintenance, service costs, and in some instances, house cleaning ...

3 • Always turn off electrical power to the boiler via the fi eld installed fused disconnect switch if the boiler is shut down for an extended period of time. • When restarting the boiler from an extended shutdown, follow the Operating Instructions in the Installation Manual and Operating Instructio...

5 6. Carefully vacuum soot accumulations from combustion chamber area, take care to not damage any of refractory or blanket insulation. To gain access to combustion chamber fi rst check that shut off valve on fuel oil line is closed and disconnect fuel oil line. Open swing door by removing whiz lock...