Manuals / Weil-McLain / Household Appliance / Boiler

Weil-McLain manual EGH-105to EGH-125 Control Supplement, Part Number 550-110-677/0299

Models: EGH-125 EGH-105

1 36

Download 36 pages 3.24 Kb

Page 36

Image 36

EGH-105 to EGH-125 Control Supplement

Weil-McLain

500 Blaine Street

Michigan City, IN 46360-2388

http://www.weil-mclain.com

36	Part Number 550-110-677/0299

Page 36

Image 36

Weil-McLain manual EGH-105to EGH-125 Control Supplement, Weil-McLain 500 Blaine Street Michigan City, IN

Contents

Control Supplement EGHGas-FiredBoilerEGH-105to EGH-125Series 4 Natural gas‡ CSD-1control systemHazard definitions To the installer Please read this page firstEGH-105to EGH-125 Control Supplement ContentsCarton guide CSD-1control system - Natural gasCarton CommentsInstallation Place the boiler Install gas trainInstall vent/breeching Figure Gas train assemblyInstall optional vent damper if supplied CSD-1control system - Natural gasEffikal damper Johnson Controls damperIII Install boiler controls - water boilers II Piping connectionsApplication W-MPart NoIII Install boiler controls - steam boilers IV Optional heaters - steam boilers onlyCSD-1control system - Natural gas ApplicationVI Wiring Assembly illustrations and wiring diagramsWiring procedure V Gas pipingVI Wiring - sequence of operation TroubleshootingCall for heat Lockout modesWiring - water boilers LADDER WIRING DIAGRAMWater boiler wiring ladder and schematic diagramsCSD-1control system - Natural gas SCHEMATIC WIRING DIAGRAMEGH-105to EGH-125 Control Supplement Part NumberVI Wiring — water boilers Figure Control assembly - water boilerEGH-105to EGH-125 Control Supplement CSD-1control system - Natural gasCSD-1control panel VI Wiring - steam gravity returnLADDER WIRING DIAGRAM Water boiler wiringSCHEMATIC WIRING DIAGRAM EGH-105to EGH-125 Control SupplementCSD-1control system - Natural gas Part NumberVI Wiring - steam Figure Control assembly - steam, gravity returngravity return EGH-105to EGH-125 Control Supplement CSD-1control system - Natural gaspumped return VI Wiring - steamLADDER WIRING DIAGRAM Water boiler wiringSCHEMATIC WIRING DIAGRAM EGH-105to EGH-125 Control SupplementCSD-1control system - Natural gas Part NumberVI Wiring - steam Figure Control assembly — steam, pumped returnpumped return EGH-105to EGH-125 Control Supplement CSD-1control system - Natural gasCSD-1control panel VII Final adjustments Before proceeding To place boiler in operationEGH-105to EGH-125 Control Supplement 3.If boiler fails to start, checkVII Final adjustments - operating instructions CSD-1control system - Natural gasFigure 11 Operating instructions Part Number 550-110-677/0299VIII Check-outprocedure - operation EGH-105to EGH-125 Control SupplementVIII Check-outprocedure - leak test Figure Leak test procedureCSD-1control system - Natural gas VIII Check-outprocedure - troubleshooting Before troubleshootingVerify proper operation after servicing In event of actuator failureVIII Check-outprocedure - troubleshooting CSD-1control system - Natural gasCorrect by making connections VIII Check-outprocedure - troubleshooting EGH-105to EGH-125 Control SupplementSecure connections VIII Check-outprocedure - troubleshooting CSD-1control system - Natural gasReplace ignition control Retest VIII Check-outprocedure - troubleshooting EGH-105to EGH-125 Control SupplementTurn OFF supply voltage IX Service and maintenance CSD-1control system - Natural gasX Replacement parts - water boilers Figure 14 Water boiler assemblyALARM EGH-105to EGH-125 Control SupplementTable 5 Water boiler replacement parts CSD-1control system - Natural gasX Replacement parts - steam boilers Figure 15 Steam boiler assemblyEGH-105to EGH-125 Control Supplement Table 6 Steam boiler replacement parts CSD-1control system - Natural gasEGH-105to EGH-125 Control Supplement Weil-McLain 500 Blaine Street Michigan City, INPart Number 550-110-677/0299