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 (D)</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 (A)</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 (A)</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 (B)</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 (D)</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 (B)</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 (B)</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 (D)</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 (A)</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 (A)</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 (C)</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 (A)</p> Signup and view all the answers

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