Installation and Operating Manual for the EFM Wood/Coal Boiler Model WCB EFM Sales Company Emmaus, PA 18049 www.efmheating.
Installation And Operating Instructions For Model WCB Hand Fired Boiler DANGER: This boiler is equipped with a fuse-able plug. It is located inside the boiler. It is not adjustable. In the event that boiler water temperature exceeds approximately 276° F, a dangerous condition, the plug will open and boiler water will fall into the firebox. Follow all operating instructions carefully to avoid a dangerous condition that would result in activation of the fuse-able plug.
is 40 cubic feet. Be sure the bin is well supported to withstand the side thrust load of the coal. 3. Do not store coal within boiler installation clearances, or within the space required for charging and ash removal. 4. When securing a supplier for your coal and before ordering coal in large quantities, buy a bag or two of the coal you intend to use and try it in your boiler to be sure you are satisfied with its burning quality. Coal varies in type, size, and grade.
Draft Control must be provided to an open area within the building or to the outside. If the building is of tight construction with exhaust fans, an outside air supply that is ducted into the boiler room may be required. 1. The amount of heat produced and level of fire in this boiler is controlled by a non-electrical, metal bellows, immersion type of temperature sensing control. A 3/4" tapping is provided, in the upper right hand corner on the boiler front, to mount this control.
Boiler Operation used when the WCB Boiler is used as an individual heating unit with forced water circulation. Use Figure 9 when the WCB Boiler is installed on a system with zone valves. 3. No electrical connections are required if the WCB Boiler is installed on a gravity hot water system. 4. Use 14 Ga. copper wire for all wiring. Route all wiring to avoid hot surfaces. Be sure all electrical components are well grounded electrically. Wood Firing 1. Three refractory blocks are furnished for wood firing.
Boiler Operation pieces of ash or clinkers, it may be necessary to break up the ash with a poker, so that it may be shaken more easily through the grates. 10. Always keep fire door and ash pit door closed when boiler is in operation. Maintain all seals in good condition. Coal Firing Warning: All coal fires produce some carbon monoxide, a highly poisonous gas. Improper care or operation can cause carbon monoxide to escape from the boiler, smokepipe or flue.
Chimney Fire baffle by removing the set screw which secures the baffle handle to the baffle. Remove handle by pulling outward. Drop baffle and remove through fire door. After thoroughly cleaning all inside surfaces of boiler and baffle, check the grate bars and fire brick lining. Replace warped grate bars or damaged fire brick. When reassembling the baffle, be sure the set screw lines up with flat portion on handle rod.
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efm Sales Company Emmaus, PA 18049 13
14 PARTS LIST EFM MODEL WCB BOILER
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