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Summary of Contents for Comtherm SP
- Page 1 Burners, Heaters & Combustion Systems Installation & Maintenance Manual SP Burner +44 (0) 1905 775 783 www.comtherm.co.uk sales@comtherm.co.uk...
- Page 2 Burners, Heaters & Combustion Systems SP Burner Instruction Manual Index Page.1 ..........General Specification Page.2 ..........General Description Page.3 ..........Installation Page.4 ..........Installation Page.5 ..........Installation Page.6 ..........Initial Light Up (Commissioning guidance) Page.7 ..........Initial Light Up (Commissioning guidance) Page.8 ..........Initial Light Up (Commissioning guidance) Page.9 ..........Initial Light Up (Commissioning guidance)
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Page 3: General Specification
Burners, Heaters & Combustion Systems General Specification The 'SP' burners consist of an 'in-line PH' type combustion head mounted on a side plate so as to fire parallel to the side plate in the direction of air flow. All the air required for combustion is supplied by an integral combustion air fan mounted on the burner head and situated inside the process air duct. -
Page 4: General Description
For details on installation and commissioning, refer to page M6-1-2-3. NOTE: - Refer to M9-1 and M9-2 for key to items referred to throughout this manual. Refer to M9-3 for specific component manufacturers used on this equipment Comtherm Ltd Page 02 Installation & Maintenance Manual... -
Page 5: Installation
For low-pressure supplies up to 25 mbar (10 w.c), the pressure drop between the meter and the burner inlet should normally not exceed 1mbar (0.4 w.c). For high-pressure supplies, this pressure drop should not exceed 10% of the available gas pressure. Comtherm Ltd Page 03 Installation & Maintenance Manual... - Page 6 10-15 , should be completed and any leaks repaired. The burner should be left with the manual shut off valve (item V1) in the closed position until the plant is commissioned by a suitably qualified gas engineer. Comtherm Ltd Page 04 Installation & Maintenance Manual...
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Page 7: Electrical Supply
High temperature wire (tri-rated or better) should be used for all electrical connections. The electrical connections to the burner shown on diagram M5 should be strictly adhered to. Gas pipe work should not be used as an electrical earth. Comtherm Ltd Page 05 Installation & Maintenance Manual... - Page 8 S1 and S2. Open the test point downstream of S2 and connect the manometer (valve V2 must be closed); if no pressure builds up within 1.5 minutes then valve S2 is sound. Comtherm Ltd Page 06 Installation & Maintenance Manual...
- Page 9 14. Check that all pressure switches associated with the burner are in the position calling and switch the burner on. It may be necessary to reset the burner lockout fault button. Comtherm Ltd Page 07 Installation & Maintenance Manual...
- Page 10 Check that the burner flame safety control locks out immediately and that the gas supply is automatically shut off. 25. Whilst the burner is operating, block the combustion air supply so that the pressure switch P1 switches to the position, checking that the burner shuts down. Comtherm Ltd Page 08 Installation & Maintenance Manual...
- Page 11 At no point should the settings of any safety device be altered to overcome changes in process conditions without the burner again being fully commissioned in line with those process conditions. Comtherm Ltd Page 09 Installation & Maintenance Manual...
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Page 12: Fault Finding Guide
Check that the combustion air fan motor is rotating in the correct direction Check that the combustion air fan is running, if not check the overload or circuit breakers Comtherm Ltd Page 10 Installation & Maintenance Manual... - Page 13 Flame sensor not detecting Check sensor for damage or burner locks out before the flame moisture the main valves are Clean flame sensor energised Check flame sensor installation and position Faulty sensor Replace sensor Comtherm Ltd Page 11 Installation & Maintenance Manual...
- Page 14 Check and Clean blocked Identify source of blockage and rectify Flame sensor not detecting Over firing and flame is flame firing rate Check flame sensor installation and position Check the main gas pressure governor Comtherm Ltd Page 12 Installation & Maintenance Manual...
- Page 15 Over firing and flame is the flame firing rate Combustion air failure Check flame sensor installation and position Inspect combustion air fan for damage Check fan overloads Check air filter (if fitted) and clean if necessary Comtherm Ltd Page 13 Installation & Maintenance Manual...
- Page 16 Too much gas Check main gas pressure and reset Check gas control valve and reset Check fuel type Combustion air set too low Check air dampers, linkages and air filter (where fitted) Comtherm Ltd Page 14 Installation & Maintenance Manual...
- Page 17 Too much pressure in Check Flue. chamber. Unit Produces Burner turned down too Check the adjustment of the gas condensation. low. control valve. Low process air volume. Check and reset air. Comtherm Ltd Page 15 Installation & Maintenance Manual...
- Page 18 Parts List (Key) Burners, Heaters & Combustion Systems A1: Flame control unit L6: Indication light burner fan failure A2: Flame electrode L7: Indication light burner fan run A3: U.V. flame sensor L9: indication light process fan run A4: Valve proving unit L10: indication light exhaust fan run B1: Burner combustion head MF: Burner fan...
- Page 19 In the event that the burner air wings are found to be severely damaged then the burner head will need to be completely broken down to fit replacements. Comtherm Ltd Page 17 Installation & Maintenance Manual...
- Page 20 If the ambient conditions are particularly dirty then we would suggest carrying out a full service on a quarterly basis. Comtherm Ltd Page 18 Installation & Maintenance Manual...
- Page 21 Burners, Heaters & Combustion Systems Burner Service Program Date of Service Service Company Engineer Name Date of Next Service Comtherm Ltd Page 19 Installation & Maintenance Manual...
- Page 22 Flame Control unit Flame Sensor Safety Pressure Switch Operation Combustion Fan p/sw Process Air p/sw High Gas p/sw Low Gas p/sw Valve Providing p/sw Exhaust p/sw Combustion Analysis (where applicable) CO:CO Fuel Temperature Comtherm Ltd Page 20 Installation & Maintenance Manual...
- Page 23 Burners, Heaters & Combustion Systems Additional Commissioning Notes Comtherm Ltd Page 21 Installation & Maintenance Manual...
- Page 24 Burners, Heaters & Combustion Systems Comtherm Ltd Installation & Maintenance Manual Comtherm Ltd, Comenco Works, Union Lane, Droitwich, Worcestershire WR9 9AZ...
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