Hot Water Boiler Startup Procedures
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Questions and Answers

What does the Power Engineer need to monitor during the startup of a hot water boiler?

  • All aspects of startup including furnace purge, ignition, and main burner light-off (correct)
  • Only the expansion tank
  • Only the main burner light-off
  • Only the furnace purge

    • What must be done for smaller hot water systems with only one boiler?

  • The system will be heated one part at a time
  • The heating system will not be operational
  • The entire system will be heated simultaneously from a cold start (correct)
  • The entire system will be heated from a hot start

    • What is assumed about the boiler and heating system in the startup process?

  • That it has been filled with untreated oil
  • That it has been filled with hot water
  • That it has been filled with treated water (correct)
  • That it has been filled with untreated water

    • What should be done with the boiler control switch during startup?

    <p>Leave it in the “off” position</p> Signup and view all the answers

    What should be done after reviewing the manufacturer recommendations for burner and boiler startup?

    <p>Open the boiler return and supply valves</p> Signup and view all the answers

    What is an excellent reference for heating boiler operating practices?

    <p>ASME VI Recommended Rules for the Care and Operation of Heating Boilers</p> Signup and view all the answers

    What should be prepared according to site-specific procedures before starting a hot water boiler?

    <p>Auxiliaries such as expansion tank, make-up water system, and others</p> Signup and view all the answers

    What should be done if the boiler has a continuous pilot?

    <p>The pilot should be lit manually</p> Signup and view all the answers

    What is the purpose of raising the water temperature slowly by operating the boiler at low fire?

    <p>To warm the entire water content of the system and boiler prior to increasing fuel input</p> Signup and view all the answers

    Why is it important to check the safety relief valve after the burner shuts down?

    <p>To check for evidence of leaking and perform try lever and pop tests</p> Signup and view all the answers

    What does it mean to 'cut in' a boiler in the context of this text?

    <p>Bringing a non-operating boiler online in an already operating system</p> Signup and view all the answers

    What should be done when using a common expansion tank for all boilers during warm-up?

    <p>Keep stop valves in the supply and return lines to the boiler closed during warm-up</p> Signup and view all the answers

    What is the purpose of slowly opening the inlet valve to the cold boiler before firing it?

    <p>To allow flow through the cold boiler without causing shock to the system</p> Signup and view all the answers

    Why is it important to plan ahead for heating loads and have standby boilers warmed up prior to being required?

    <p>To ensure sufficient capacity to meet heating demand when needed</p> Signup and view all the answers

    What are some of the steps involved in preparing and warming-up a hot water boiler for cutting in?

    <p>Slowly opening inlet valve, ensuring space in expansion tank, and gradually opening return line valve</p> Signup and view all the answers

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