• EFE 825 (Combustion Engineering Guide) elateD oCumeNts • Eclipse Bulletins and Info Guides: 710, 732, 742, 760, 818, 832, 852, 854, 856, 610, 620, 630, 826, 820, 930, I-354. Purpose The purpose of this manual is to ensure the installation of a safe, effective, and trouble-free combustion system is carried out.
Act carefully. Note: Indicates an important part of the text. Read thoroughly. If you need help, you can contact your local Eclipse oW to get help representative. A complete listing of Eclipse representatives world wide can be found at www.eclipsenet.com.
Introduction The ThermAir burner (TA Series) is a nozzle-mix burner with roDuCt a packaged combustion air blower that is designed to fire with esCriptioN fixed combustion air over a wide gas turndown range. An integral gas orifice is provided to ease burner setup. The burner is designed to facilitate: •...
Read the entire manual before attempting to start this system. If you do not understand any part of the information contained in this manual, contact your local Eclipse representative or Eclipse Combustion before continuing. Eclipse ThermAir T/A Series v1.10, Installation Guide No. 114, 4/7/06...
Order replacement parts from Eclipse Combustion only. All eplaCemeNt arts Eclipse Combustion approved, customer supplied valves or switches should carry UL, FM, CSA, CGA, and/or CE approval, where applicable. Eclipse ThermAir T/A Series v1.10, Installation Guide No. 114, 4/7/06...
All limit controls and safety equipment must comply with the Equipment current following standards: • NFPA Standard 86 • NFPA Standard 86C • • • • EN 746-2 • all applicable local codes and/or standards. Eclipse ThermAir T/A Series v1.10, Installation Guide No. 114, 4/7/06...
Information on the EN standards, and where to get the standards is available from: Comité Européen de Normalisation Strassartstraat 36 B-1050 Brussels Phone: +32-25196811 Fax: +32-25196819 Comité Européen de Normalisation Electronique Strassartstraat 36 B-1050 Brussels Phone: +32-25196871 Fax: +32-25196919 Eclipse ThermAir T/A Series v1.10, Installation Guide No. 114, 4/7/06...
Attach four mounting bolts to the chamber wall. Position these “C” bolts to match the clearance holes (C) on the burner mounting flange. Refer to the appropriate ThermAir data sheet. Eclipse ThermAir T/A Series v1.10, Installation Guide No. 114, 4/7/06...
Bracket • Use of flexible pipe is optional. Note: Pipe Flexible pipe causes higher pressure drops than standard Union pipe. Consider this when sizing your gas lines. Eclipse ThermAir T/A Series v1.10, Installation Guide No. 114, 4/7/06...
5. Be sure all valves are installed in the proper location and correctly oriented relative to the flow direction. Eclipse ThermAir T/A Series v1.10, Installation Guide No. 114, 4/7/06...
Make sure that the main gas valve train closes. Danger: If simulated limits or simulated flame failures do not shut down the fuel system within the required failure response time, immediately correct the problem before proceeding. Eclipse ThermAir T/A Series v1.10, Installation Guide No. 114, 4/7/06...
6. Verify gas settings 7. Stop Procedure Step 1: Reset the system 1. Close these valves the automatic gas valves the manual gas cocks 2. Start the combustion air blower Eclipse ThermAir T/A Series v1.10, Installation Guide No. 114, 4/7/06...
If low fire gas is too low to be used for ignition consider increasing low fire or providing bypass start gas. Refer to the section 3b on page 19. Main Gas Valve Train Eclipse ThermAir T/A Series v1.10, Installation Guide No. 114, 4/7/06...
Try to ignite again to purge the air out of the gas piping. b) If the burner does not ignite after one or two additional ignition attempts, see the Trouble shooting Guide contained in the Maintenance & Troubleshooting section of this guide. Eclipse ThermAir T/A Series v1.10, Installation Guide No. 114, 4/7/06...
This can cause excess fuel operation and the possible accumulation of unburned fuel in the chamber. In extreme cases, this may cause explosions or fires. Eclipse ThermAir T/A Series v1.10, Installation Guide No. 114, 4/7/06...
5. Set low fire gas 6. Verify gas settings Step 1: Reset the system 1. Close these valves the automatic gas valves the manual gas cocks 2. Start the combustion air blower Eclipse ThermAir T/A Series v1.10, Installation Guide No. 114, 4/7/06...
1. Drive the gas control valve to low fire. Note: All ThermAir burners are limited to ignition at inputs below 40% of maximum unless the control circuit on page 15 of Design Guide 114 is followed Eclipse ThermAir T/A Series v1.10, Installation Guide No. 114, 4/7/06...
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Adjust the bypass flow adjusting valve such that the burner is able to maintain a stable flame and an adequate flame signal. b) Open all remaining manual gas valves feeding the burner. Eclipse ThermAir T/A Series v1.10, Installation Guide No. 114, 4/7/06...
2. Run the combustion air blower until the chamber temperature drops below 250ºF (121ºC). 3. Shut off the combustion air blower. 4. Close all manual gas valves to the burner. Eclipse ThermAir T/A Series v1.10, Installation Guide No. 114, 4/7/06...
8. Test the manual gas shut off cocks for proper operation. 9. Clean and/or replace the combustion air blower filter. 10. Inspect and clean the combustion air blower rotor. Eclipse ThermAir T/A Series v1.10, Installation Guide No. 114, 4/7/06...
Remove the four bolts 1. e. Remove the rear cover 2 from the burner housing 3. f. To re-assemble, follow this sequence in the reverse order. Eclipse ThermAir T/A Series v1.10, Installation Guide No. 114, 4/7/06...
Check the wiring to the Not enough gas: automatic gas shut-off valve. • Gas valve does not open. Check the output from the flame safeguard. Open manual gas cock. Eclipse ThermAir T/A Series v1.10, Installation Guide No. 114, 4/7/06...
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Ratio Regulator) • Gas pressure going into the Adjust the gas pressure. burner is too low. • Derate burner for positive Combustion chamber pressure installations. pressure is too high. Eclipse ThermAir T/A Series v1.10, Installation Guide No. 114, 4/7/06...
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• No power to the control unit. Be sure the main power to the • Main power is off. system is switched to the “on” position. Eclipse ThermAir T/A Series v1.10, Installation Guide No. 114, 4/7/06...
An automatic gas control valve Automatic Gas adjusts gas flow to the burner Control Valve based on control system requirements. Impulse Line -------- Eclipse ThermAir T/A Series v1.10, Installation Guide No. 114, 4/7/06...
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