Weil-McLain EGH-105 manual VII Final adjustments, Before proceeding To place boiler in operation

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EGH-105 to EGH-125 Control Supplement

VII Final adjustments

Before proceeding:

To place boiler in operation:

1.Follow EGH Manual instructions for Final Adjustments, Section VII, including filling the boiler and skimming steam boilers.

Skimming the boiler as described in Section VII of the EGH Manual requires firing the boiler. Always follow boiler Operating instructions, Figure 11, when starting the boiler. Failure to do so could result in severe personal injury, death or substantial property damage.

2. Inspect base insulation as instructed in Section VII of the EGH Manual.

1.Follow Operating instructions, Figure 11, to start boiler.

2.If boiler starts correctly, proceed with Check-out procedure, Section VIII of this Supplement.

3.If boiler fails to start, check:

❏Loose connection or blown fuse?

❏Limit setting below boiler water temperature or steam pressure?

❏Thermostat below room temperature?

❏Manual reset device needs to be reset?

❏Gas not turned on at meter and boiler?

❏Incoming natural gas pressure less than 5" W. C.?

4.If above fails to eliminate the trouble, refer to Check-out procedure

—troubleshooting in this Supplement, Section VIII.

22	Part Number 550-110-677/0299

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Contents Control Supplement Please read this page first Carton guide Boiler cartonsInstallation Gas train assemblyInstall optional vent damper if supplied Vent damper assembliesII Piping connections III Install boiler controls water boilersWater boiler connections IV Optional heaters steam boilers only III Install boiler controls steam boilersSteam boiler connections VI Wiring Gas pipingVI Wiring sequence of operation Call for heatWiring water boilers Water boiler wiringSchematic Wiring Diagram VI Wiring water boilers Control assembly water boilerCSD-1 control panel VI Wiring steam Gravity returnSchematic Wiring Diagram Control assembly steam, gravity return 13aCSD-1 control panel Pumped return Schematic Wiring Diagram Control assembly steam, pumped return Terminal strip VII Final adjustments Before proceeding To place boiler in operationVII Final adjustments operating instructions Operating instructionsViii Check-out procedure operation Viii Check-out procedure leak test Leak test procedureViii Check-out procedure troubleshooting Verify proper operation after servicingReplace pilot assembly TS-2 No Spark System boiler with vent damper does not work Not OK TS-3 Pilot lights Main valve will not come on from previous IX Service and maintenance Replacement parts water boilers Water boiler assemblyWater boiler replacement parts RV20VLReplacement parts steam boilers Steam boiler assemblySteam boiler replacement parts RV20VLWeil-McLain Blaine Street Michigan City,