Manuals / Weil-McLain / Household Appliance / Boiler

Weil-McLain 550-141-826/1201 Connect Wiring, Continued, Harness Not Furnished on “A” Boilers

Models: 550-141-826/1201

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					Connect Wiring	CONTINUED
					Connect Wiring	CONTINUED

Limit Control

Wiring Harness

Circulator Wiring

Harness

(Not Furnished on “A” Boilers)

Service Switch

On Boiler

Burner Wiring

Harness

Burner

Disconnect Plug

Boiler Wiring for Forced Hot Water

FIGURE 15

Page 20

Image 20

Weil-McLain 550-141-826/1201 manual Connect Wiring, Continued, Limit Control Wiring Harness Circulator Wiring

Contents

This Manual Includes Installation Start-Up Boiler PartsPart No. 550-141-826/1201 WGO SERIES 3 OIL-FIREDNATURAL DRAFT WATER BOILERSymbol Definitions When Calling or Writing About the BoilerRead This Page First Hazard DefinitionsTable of Contents Table of ContentsBefore Installing Boiler Install Packaged BoilerBefore Installing Boiler Installations must comply withBefore selecting boiler location Provide clearances around boiler see FIGUREBefore Installing Boiler CONTINUED Go to page 6 to install boilerGo to page 8 to install boiler Do not install exhaust fan in boiler roomInstall Packaged Boiler Place boilerPerform hydrostatic pressure test Go to page 12 to connect breeching and ventingInstall Packaged Boiler CONTINUED Install Non-PackagedBoiler Precautionary measuresFiberglass wool and ceramic fiber materials First aid measuresInstall Non-PackagedBoiler CONTINUED Install Packaged and Non-PackagedBoiler Install jacket sizes 7 through 9 onlyInstall boiler controls CONTROL TAPPING TABLEInstall Packaged and Non-PackagedBoiler Connect Breeching General chimney requirementsConnect breeching MINIMUM CHIMNEY SIZE TABLEConnect Breeching CONTINUEDFlue Pipe Bracket one on each side of pipe Back Outlet Breeching Connection FIGUREInstall piping Connect Water PipingGeneral piping information DIAPHRAGM expansion tank FIGUREConnect Water Piping CONTINUED Piping MULTIPLE ZONES 3.Zoning with circulators4.Zoning with zone valves Connect Water Piping CONTINUEDConnect Water Piping CONTINUED Use with refrigeration systems Connect Water PipingConnect Wiring General wiring requirementsThermostat wiring Burner wiringConnect Wiring Limit Control Wiring Harness Circulator WiringService Switch On Boiler Burner Wiring Harness Boiler Wiring for Forced Hot Water FIGUREConnect Wiring CONTINUEDOil piping connection at burner Connect Oil PipingGeneral oil piping requirements Start-Up Fill the systemTips for water systems To place in operationCheck-OutProcedure Installation and Service CertificateInstallation instructions have been followed Check-outprocedure has been performedBurner adjustments for “P” and “A” boilers AppendixClose clearance installation AppendixAppendix Combustible Surface A 6 ProtectionDescription Parts ListW-MSales Parts Drawing D E G H GF Q B A K C L M PDIMENSIONS - mm DimensionsDIMENSIONS - in Dimensions CONTINUED177.8 158.8Ratings WGO GOLD OIL WATER BOILER RATINGS