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Summary of Contents for Nu-Way Selectos
- Page 1 Installation & Maintenance Manual Series SG fully automatic gas burners Selectos SG100 & SG170 Gas Burner 11/12 Tel: +44 (0) 1905 794331 Fax: +44 (0) 1905 794017 Email: info@nu-way.co.uk Web: www.nu-way.co.uk...
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Page 2: Important Safety
IMPORTANT - SAFETY It is essential that the following instructions and adjustments are carried out by qualified engineers that experienced forced draught gas burner commissioning. In the UK it is a legal requirement that anyone working installation, as defined in the “Gas Safety (Installation &... -
Page 3: Component Identification
COMPONENT IDENTIFICATION COMPONENTS 1. Reset Button 9. Air Adjustment 17. Head Clamping Bolt 2. Control Box 10. Fan Motor 18. Adjustment Markings 3. Transformer 11. Electrical Connection 19. Diffuser 4. MultiBlock 12. Flame Tube 5. Air Damper 13. Flame Probe 6. -
Page 4: Technical Data
TECHNICAL DATA MODELS SG100/170 DIMENSIONS Type SG100 SG170 1/2" BSP 3/4" BSP Gas Connection ** The above dimensions are maximum measurements. Depending on the components used these may vary. OUTPUT RANGE Type Gross Input Volume (m³) Min Volume (m³) Max Supply Pressure (mbar) (kW ) *... -
Page 5: Mounting The Burner
MOUNTING THE BURNER If the hinged extension/flame tube assembly is not fitted to the fan case assembly, it should be fitted before mounting to the application using the pins provided. Ensure that the gas 140-190 inlet connection is at the bottom. Once the burner is mounted open the hinged extension, connect the flame probe and ignition cables. -
Page 6: General Instructions
GENERAL INSTRUCTIONS The SG100 & 170 burners are Method of Adjustment BURNER AIR CONTROLS supplied for On/Off or High/Low Undo the two safety bolts of the The air for combustion is controlled operation and for use with single hinged extension. by an adjustable air flap located phase electrical supply. - Page 7 GENERAL INSTRUCTIONS continued..BURNER GAS CONTROLS Two Stage (High/Low) Burners Two Stage (High/Low) The sequence begins with an air pre- Low Gas Pressure Switch The gas valve is of the multibloc type purge on full air, followed by start rate The low gas pressure switch is incorporating start rate, safety and two gas flame which when proved allows...
- Page 8 BURNER GAS CONTROLS & ADJUSTMENTS SINGLE STAGE (ON/OFF) USING PILOT GAS - MULTIBLOC MB-DLE 405-412 B07 Includes gas pressure governor, safety, main and start gas valves. SINGLE STAGE (ON/OFF) MAIN GAS IGNITION - MULTIBLOC MB-DLE 405-412 B01 Contains gas pressure governor, safety, and main gas valves. ADJUSTMENTS Governor adjustment (main and pilot).
- Page 9 CONTROL BOX DMG970 INTRODUCTION The burner control box DMG 970 controls and supervises forced draught burners for gas and dual fuel. The microprocessor programming sequence ensures extremely stable timings independent of voltage variations, ambient temperature and/or switch-on cycles. The built-in information system not only provides a continuous monitoring of the actual state of the box (including monitoring of the start-up phase) but also informs about the possible cause of a lockout.
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Page 10: Pre-Commissioning Checks
PRE-COMMISSIONING CHECKS The capacity of Selectos SG burners Ensure that the ignition electrode pressure or minimum 150 mbar. If using natural gas has been and ionisation probe are correctly there is any leakage, locate the determined at a minimum supply adjusted. - Page 11 COMMISSIONING Reference should be made to the Figures of 9-10% CO and 3-5% O Switch off the electrical supply to the Burner Gas Controls and Adjustment are acceptable. For reasons of safety burner. section of this manual for identification the CO (carbon monoxide) should be Remove the air pressure switch and location of the following checked and should not exceed 100...
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Page 12: Routine Safety Checks
ROUTINE SAFETY CHECKS TO BE CARRIED OUT ONLY BY QUALIFIED AND EXPERIENCED PERSONNEL. Check that the plant room is ventilated at all times. Frequently inspect the air inlet of the burner and ensure that there are no obstructions to air flow. FLAME DETECTION SYSTEM Flame Probe (Flame Rectification Rod) Switch off the electrical supply to the burner. -
Page 13: Gas Commissioning Sheet
GAS COMMISSIONING SHEET The details below are to be completed by the Commissioning Engineer Installer’s Name : _________________________________________________________ Address : ________________________________________________________________ _______________________________________________________________________ _______________________________________________________________________ Site Address : ____________________________________________________________ _______________________________________________________________________ _______________________________________________________________________ Appliance : Type : ___________ Size : ___________ Serial No. : ___________ Burner : Type : ___________ Size : ___________ Serial No. -
Page 14: Burner Service Record
BURNER SERVICE RECORD The details below are to be completed by the Servicing Engineer This sheet to be completed and signed following each service / adjustment DATE DETAILS OF SERVICE SIGNATURE SG10130501... - Page 15 BURNER SERVICE RECORD The details below are to be completed by the Servicing Engineer This sheet to be completed and signed following each service / adjustment DATE DETAILS OF SERVICE SIGNATURE SG10130501...
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Page 16: Fault Finding
FAULT FINDING Any modifications to the installation or component settings resulting from actions suggested below may require the re-establishment of the various settings as indicated earlier in this manual. Burner Motor Fails To Start Check: • that the electrical supply is sufficient and the burner is correctly wired. •... - Page 17 FAULT FINDING Continued..Burner Fails To Establish Main Flame. Check: • The gas valves are operating correctly. • The combustion air is set correctly. • There is sufficient gas. • The control box is not faulty. Incorrect Rotation Of Burner Motor Motor rotates clockwise viewed from the shaft end.
- Page 18 Enertech Limited, P O Box 1, Vines Lane Droitwich, Worcestershire, WR9 8NA Tel: +44 (0) 1905 794331 Fax: +44 (0) 1905 794017 Email: info@nu-way.co.uk Web: www.nu-way.co.uk...
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