Burnham 8H manual IX. Service, Clean Boiler Flueways. See Figure

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IX. Service

WARNING

Service on this boiler should be undertaken only by trained and skilled personnel from a qualified service agency. Inspections should be performed at intervals specified in this manual. Maintain manual in a legible condition.

Keep boiler area clear and free of combustible materials, gasoline and other flammable vapors and liquids.

Do not place any obstructions in boiler room that will hinder flow of combustion and ventilation air.

The service instructions contained in this manual are in addition to the instructions provided by the manufacturer of the boiler components. Follow component manufacturer’s instructions. Component manufacturer’s instructions were provided with the boiler. Contact component manufacturer for replace- ment if instructions are missing. Do not install, start up, operate, maintain or service this boiler without reading and understanding all of the component instructions. Do not allow the boiler to operate with altered, disconnected or jumpered components. Only use replacement components identical to those originally supplied by Burnham Commercial.

A.General. Inspection and service must be conducted annually. Turn off electrical power and gas supply while conducting service or maintenance. Follow instructions TO TURN OFF GAS TO APPLIANCE. See Lighting/ Operating Instructions on inside of Front Removable Door.

WARNING

Label all wires prior to disconnection when servicing controls. Wiring errors can cause improper and dangerous operation. Verify proper operation after servicing.

B.Maintenance of Low Water Cut-off (if used). Follow instructions provided with low water cut-off.

C.Vent System. Check for:

1.obstructions

2.accumulations of soot

3.deterioration of vent pipe or vent accessories due to condensation or other reasons

4.proper support—no sags, particularly in horizontal runs

5.tightness of joints. Remove all accumulations of soot with wire brush and vacuum

Remove all obstructions. Replace all deteriorated parts and support properly. Seal all joints.

D.Remove Main Burners for cleaning, changing orifice plugs, or repairs.

1.Shut down gas boiler in accordance with Lighting/ Operating Instructions on inside of Front Removable Door. Close Manual Shut-off Valve.

2.Remove Front Removable Door. Raise Lower Front Tie Bar.

3.Disconnect ignition system.

4.Remove burner access panel(s).

5.Mark location of Main Burner with Pilot Bracket on manifold.

6.Remove hitch pin clips from Main Burner Orifices.

7.Hold Main Burner on throat. Lift slightly to raise rear of burner. Push to rear of boiler until burner clears Main Burner Orifice. Lift burners out.

8.Check burners to be sure they do not contain foreign matter or restrictions. Clean burners with a soft bristle brush, blow any dirt out with compressed air or use a vacuum cleaner. See Figure 53.

E.Clean Boiler Flueways. See Figure 53.

1.Shut down gas boiler in accordance with Lighting/ Operating Instructions on inside of Front Removable Door. Close Manual Shut-off Valve.

2.Disconnect vent system. Remove Draft Hood.

3.Remove Jacket Top Panel.

4.Remove Canopy from top of boiler.

5.Lift Flue Baffles out of flueways. Remove any accumulated scale or soot.

6.Thoroughly clean flueways with flue brush, removing all scale and soot. See Figure 53.

7.Clean boiler heating surface accessible from combustion chamber with straight handle wire brush.

8.Reinsert Blue Baffles into flueways. See Figure 53 for correct baffle orientation. Tabs at top of each baffle should rest o top of Flue Pins.

9.Install Canopy. See Section II: Boiler Assembly, Paragraph G.

10.Install Jacket Top Panel, Draft Hood, Vent Damper (if used) and Vent System.

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Contents 81416021R3-6/10 Price $5.00 Series 8HImportant Information Read Carefully Page Table of Contents Dimensional Data Boiler Model Special Base Part Number Pre-InstallationPage Remove Crate II. Boiler AssemblyDo not use air to leak test boiler Installation of Special Base for Combustible FlooringGeneral Assembly Knockdown Boilers Flame Roll-out Switch Installation Install Jacket. See Figure Jacket Assembly EP/OP Control Installation III. Gas Control System Assembly Knockdown Boilers Page Schematic Gas Piping, 24V Standing Pilot, 806H & 807H Main Gas Piping, Intermittent Ignition EI Schematic Pilot Piping Honeywell EI, USA Page Schematic Gas Piping, OP Control System, 806H 810H Schematic Gas Piping, OP-CSD-1 Control System, 808H 810H Page Schematic Gas Piping, EP-CSD-1 Control System, 808H 810H IV. Water Trim and Piping Flow Rate, Temperature Rise, and Pressure DropDrain Piping Installation Page Page Rated Input Gas PipingConnect boiler gas valve to gas supply system Specific Gravity Correction Factors Equivalent Lengths of Standard Pipe Fittings & ValvesVI. Venting Blocked Vent Switch InstallationBoiler Equipped With Vent Damper. See Figure Vent Damper InstallationTypical Vent System If an Existing Boiler is RemovedVII. Electrical Install Boiler WiringHeat Anticipator Settings Sequence of Operation and Wiring Diagrams Page Page Page Page Page Page Wiring Diagram, Honeywell EI, USA, Continuous Circulation Wiring Diagram, Honeywell EI, USA, Intermittent Circulation Wiring Diagram, Honeywell EI, Canada, Continuous Circulation Page Page Page Page Page Page VIII. System Start-Up Lighting Instructions 24V Standing Pilot Operating Instructions EI Lighting Instructions OP Operating Instructions EP Boiler Operating Instructions To Shut Down Honeywell Q314 Pilot Flame 24V Standing Pilot Check Limits Adjust gas input rate to boiler. Natural GasInput Rate Clean Heating System Adjust gas input rate to boiler. LP/PropaneInstall Front Removable Panel Combustion Chamber Burn-OffClean Boiler Flueways. See Figure IX. ServiceAvoid Breathing Fiber Particulates and Dust Pilot Burner Location Boiler Flueway CleaningHoneywell EI Ignition Module Yellow LED Flame Codes OFF Honeywell EI Ignition Module Green LED Status CodesHoneywell EI Trouble Shooting Guide Repair Parts Heat Exchanger Assembly Canopy Base Assembly Manifold and Main Burners Description Size Quantity Description Quantity Gas Valve, Robertshaw 7000DERHC, Natural Gas, 1 NPT 81660151 Solenoid Gas Valve, Honeywell V8295A1024, ¾ NPT 81660235 Description Quantity Natural Gas Only Pilot Burner, Honeywell Q348A1002, Natural Gas Pilot Burner, Honeywell Q348A1010, LP Gas 8236081 Pipe Tee, 1/8 NPT, Malleable 806601005 Description Size Quantity Brass Compression Coupling, 1/4 OD Tube 8236008 Description Size Quantity Page Jacket Jacket Front Removable Panel Trim and Miscellaneous Controls Draft Hood and Automatic Vent Damper Service Record Service Record Service Record