Aerco Esteem 399 User Manual
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Aerco Esteem 399 User Manual

Low nox gas fired boiler
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OMM-0050_0A
GF-125U
Instruction
No.
User's
Manual
Esteem 399
Low NOx
Gas Fired
Boiler
Visit www.aerco.com to View the Latest
Product Manuals and Information.
REVISED
MAY 2010

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Summary of Contents for Aerco Esteem 399

  • Page 1 OMM-0050_0A GF-125U Instruction User’s Manual Esteem 399 Low NOx Gas Fired Boiler Visit www.aerco.com to View the Latest Product Manuals and Information. REVISED MAY 2010...

  • Page 3: Table Of Contents

    Contents Warnings and Cautions Chapter 1 Combustion Air Chapter 2 Maintenance Schedule Chapter 3 Maintenance Procedures Chapter 4 Operating Instructions Chapter 5 BOILER CONTROL DISPLAY Appendix A: Replacement Parts...

  • Page 4: Warnings And Cautions

    Warnings and Cautions Installers and operating personnel AUTIONS MUST, at all times, observe all safety regulations. OTICE WARNING! WARNING! IMPORTANT WARNING! DANGER! WARNING! WARNINGS! CAUTION!
  • Page 5 CAUTION! Boiler & System Water IMPORTANT Emergency Shutdown Prolonged Shutdown Operating Cautions...

  • Page 6: Chapter 1 Combustion Air

    Chapter 1 Combustion Air Prevention of Contamination Potential Contaminating Products WARNING Areas likely to have these products...

  • Page 7: Chapter 2 Maintenance Schedule

    Chapter 2 Maintenance Schedule For the Service Technician For the End User WARNING!

  • Page 8: Chapter 3 Maintenance Procedures

    Chapter 3 Maintenance Procedures WARNING! Daily Maintenance WARNING! º...
  • Page 9 Monthly Maintenance WARNING! WARNING!
  • Page 10 Every 6 Months Maintenance WARNING!
  • Page 11 WARNING!

  • Page 12: Chapter 4 Operating Instructions

    Chapter 4 Operating Instructions Safety FOR YOUR SAFETY READ COMPLETE INSTRUCTIONS BEFORE PROCEEDING WARNING! IF YOU SMELL GAS • DO NOT • DO NOT • DO NOT OTICE DO NOT AUTION WARNING! WARNING! DO NOT...
  • Page 13 Operation STOP! STOP! WARNING! OTICE TO TURN OFF GAS TO APPLIANCE...

  • Page 14: Chapter 5 Boiler Control Display

    Chapter 5 BOILER CONTROL DISPLAY Display Boiler function Standby Mode STANDBY, no demand for heat StbY Fan prepurge (10 seconds) or post purge cycle Ignition sequence Burner ON for space heating (CH) Burner ON for domestic water heating (DHW) Pre-check for air flow prior to prepurge cycle Burner OFF due to reaching supply temperature set point Post pump cycle for primary space heating...
  • Page 15 Setting Boiler Parameters Key: Display Pressing MODE once MODE Key: Description of parameters Display Domestic Hot Water Setting (See Note 1) STEP DHW Application Selection (See Note 2) STEP CH Application Selection (See Note 3) STEP CH Maximum Boiler Operating Setpoint STEP º...

  • Page 16: Accessing Boiler Information

    Accessing Boiler Information OTICE J 12 ressin M on e ressin M t i e OTICE Information Mode Items ISPLAY IGIT EGMENTS...
  • Page 17 Error (Hard Lockout) Mode Display Hard Lockout E 00 Flame detected prior to burner startup Failed ignition after 5 attempts Gas valve harness not properly connected Power supply lost after lockout occured Internal control failure Internal control failure WARNING! Internal control failure Internal control failure Internal control failure Internal control failure...

  • Page 18: Appendix A: Replacement Parts

    Appendix A: Replacement Parts Jacket Components Item Description Display Control Panel Display Control Panel Extensions (Not Shown) Base Panel Front Jacket Panel Side Jacket Panel (Left and Right) Top Jacket Panel Top Jacket Access Panel Control Cover Panel Wall Mounting Bracket with 1 Hardware...
  • Page 19 Internal Components Item Description Heat Exchanger Body Vent Outlet Adapter Combustion Air Inlet Adapter Supply & Return NTC Sensor (NTC1, NTC2) Flue NTC Sensor (NTC5) LWCO Pressure Device Condensate Drain Assembly Boiler Piping - Return Assembly Boiler Piping - Supply Assembly Pressure Gauge and Fitting...
  • Page 20 Burner Components Item Description Combustion Chamber Insulation Burner Head with Gasket Burner Plate Blower with Gasket Gas Valve Venturi Ignition Cable Igniter with Gasket Sight Glass Assembly (Glass, Gasket and Bracket) Propane Orifice - Not Shown Burner Plate Gasket - Not Shown Gas Valve Piping Gas Supply Piping...

  • Page 21: Electronic Components

    Electronic Components Item Description Esteem Control Module Transformer with Surge Protection Esteem Control Module Display...

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