Lochinvar WH 55 - 399 사용자 설명서

               

User’s Information Manual

 

• Reported problems

 

• Inspect interior; clean and vacuum if 

  

necessary

 

• Clean condensate trap and fill with fresh 

  

water

 

•

 Check for leaks (water, gas, flue, 

  

condensate)

 

• Verify flue and air lines in good condition 

 

  and sealed tight

 

• Check system water pressure/system 

  

piping/expansion 

tank

 

• Check control settings

 

• Ignition and flame sense electrodes 

   (sand off any deposits; clean and 
  

reposition)

 

• Wiring and connections

  • Perform start-up checkout and 
      performance verification per Section 10 
        in the Knight Wall Mount Installation and 
       Operation Manual.

 

• Flame inspection (stable, uniform)

 

• Flame signal (at least 4 mA)

 

•

 Clean the heat exchanger if flue 

 

 temperature is more than 54°F above 

 

  return water temperature.

 

 • Clean heat exchanger

 
 

 •

 Remove and clean burner using 

 

   compressed air only 

 

 • Clean the blower wheel 

 

• Check boiler area

 

•

     Check pressure/temperature 

  

 

gauge

 

• Check vent piping

 

• Check air piping

 

• Check air and vent termination 

  

screens

 

• Check relief valve

 

• Check condensate drain system

 

 

• Test low water cutoff (if used)

 

• Reset button (low water cutoff)

 

• Check boiler piping (gas and 

 

  water) for leaks

 

• Operate relief valve

 

•  Shut boiler down (unless boiler 

 

   used for domestic hot water)

 WARNING

Follow the maintenance procedures given throughout this manual.  Failure to perform the service and 
maintenance or follow the directions in this manual could result in damage to the boiler or system, 
resulting in severe personal injury, death, or substantial property damage.