User Guide

Weil-McLain
500 Blaine Street
Michigan City, IN 46360-2388
http://www.weil-mclain.com
550-141-994 / 0905
PROCEDURE
Install Refractory Blanket
1. Open burner door and wipe any debris from bottom of heat exchanger.
2. Dry fit refractory blanket. Center blanket on chamber floor flush with front of heat exchanger. 16” dimension
will lie left to right. Mark or note blanket position.
3. Remove blanket and spread water glass on heat exchanger where blanket will lie.
4. Install blanket as noted in step 2 and press firmly in place.
5. Visually check burner mounting door refractory and seal.
6. Close and secure burner mounting door with screws and washers provided.
WARNING
Verify gas tight seal to prevent possible flue gas leakage and carbon monoxide emissions,
which can lead to severe personal injury or death.
NOTICE
Pump pressure for the .65 GPH nozzle is to be set to 150 psi as per Beckett oil burner manual.
Install Burner Nozzle
1. Verify correct burner specification (see burner manual for label location)
Chimney Vent - WL5703
Direct Vent - WL5803
2. Install burner with burner flange gasket in place using three bolts provided.
3. Replace/install .65 gph 60°A Delavan nozzle as per burner instructions.
4. Follow boiler and oil burner manuals to wire burner and connect fuel supply.
5. Follow oil burner manual for proper adjustment and setup of burner.