Weil-McLain CGA25SPDN manual Prepare boiler - draft hood & spill switch, Draft hood installation

GOLD CGa Gas-Fired Water Boiler — Boiler Manual

Prepare boiler — draft hood & spill switch

Draft hood installation

1.Orient draft hood with spill switch mounting holes to front of boiler as shown in Figure 7.

2.Secure draft hood to outlet at top of boiler with sheet metal screws.

 "OTTOM OF DRAFTAHOOD OR hSKIRTvIMUST HAVE CLEARANCERDIMENSIONNABOVEO

jacket top panel as indicated on draft hood.

$O NOTOALTERTBOILER DRAFTAHOOD OR PLACEAANYNOBSTRUCTIONUOR

non-approved vent damper in breeching or vent system. #3!3CERTIlCATION WILL BECOME VOIDI&LUE GASASPILLAGE ANDN carbon monoxide emissions will occur causing severe personal injury or death.

Spill switch installation

1.Fasten spill switch to draft hood as shown in &IGURE  and &IGURE .

2.See Wiring diagram to connect wires:

a.Standing pilot boiler — see PAGEE.

b.Spark-ignited pilot boiler — see PAGES  and .

Improper orientation of spill switch may cause boiler to shut down. The loss of heat can result in significant damage due to freezing.

Prepare boiler — install vent piping

Long horizontal vent connector, excessive number of elbow or tees, or other obstructions that restrict the flow of combustion gases should be avoided. Severe personal injury, death or sub- stantial property damage could result.

14

 #ONNECTNFROM DRAFTAHOOD OR VENT DAMPER OUTLET TO CHIMNEYMOR VENT with same size vent connector.

2.Where possible, vertical venting to the outside from the draft hood or vent damper outlet will offer best performance.

 7HEREEHORIZONTAL VENT CONNECTOREIS USEDESLOPEOUPWARD AT LEAST v PERE lineal foot toward chimney or vent and support with hangers to prevent sagging.

 "REECHINGCMUSTSNOTObe connected to any portion of a mechanical draft system that can operate under positive pressure.

Part Number 550-101-009/0107