Worcester W 125 FL Installation And Servicing Instructions
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Worcester W 125 FL Installation And Servicing Instructions

Worcester W 125 FL Installation And Servicing Instructions

Flueless singlepoint water heater with atmosphere sensing device
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Download this manual See also: Instructions for Using
W 125 FL
Flueless Singlepoint Water Heater
with Atmosphere - Sensing Device
INSTALLATION AND
SERVICING INSTRUCTIONS
G.C. Nº 51-311-01

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  • Page 1 W 125 FL Flueless Singlepoint Water Heater with Atmosphere - Sensing Device INSTALLATION AND SERVICING INSTRUCTIONS G.C. Nº 51-311-01...
  • Page 2 CONTENTS Installation Regulations General Information...
  • Page 3 Fig. 2...
  • Page 4 Fig. 3...

  • Page 5: Technical Data

    Technical Data Natural Gas Minimum rated output (Pmin) 4.4 kW 4.4 kW Maximum rated output (Pn) 8.7 kW 8.7 kW Rated input (Qn) 10.4 kW 10.4 kW Gas rate (maximum) 0.8 kg/h 1.1 m Number of injectors Injector diameter (mm) 0.70 Pilot injector marking Burner pressure...
  • Page 6 Gas supply Installation Fig. 4 Comissioning Fig. 5...
  • Page 7 Fig. 6 Inspection and Service Fig. 7 Fig. 8 Fig. 9...
  • Page 8 10. Replacement of Parts...
  • Page 10 11. Spare Parts Fig. 10...

  • Page 11: Fault Finding

    Description Propane Natural Gas Front Cover 8 705 411 730 8 702 000 219 Temp. Control Knob Flue gas Deflector 8 705 505 249 Heating Body 8 705 406 248 8 708 120 239 8 708 120 352 Main Burner Assembly 8 708 202 130 8 708 202 157 Main Burner Injector...
  • Page 12 Worcester Heat Systems Limited, Cotswold Way, Warndon, Worcester WR4 9SW. Telephone: (01905) 754624. Fax: (01905) 754619 This booklet is accurate at the date of printing but will be superseded and should be disregarded if specifications and/or appearances are changed in the interests of continued improvement.
  • Page 13 W 125 FL Flueless Singlepoint Water Heater with Atmosphere - Sensing Device USER INSTRUCTIONS & CUSTOMER CARE GUIDE...

  • Page 14: Excellence Comes As Standard

    EXCELLENCE COMES AS STANDARD CONTENTS...

  • Page 15: General Information

    GENERAL INFORMATION GAS SAFETY (INSTALLATION AND USE) REGULATIONS 1998 IMPORTANT: NOTE: GENERAL DESCRIPTION Technical Data W125 Appliance Type Nat. gas L.P.G. Rated Input (Qn) 10.4 kW 10.4 kW Maximum Rated Output (Pn) 8.7 kW 8.7 kW Minimum Rated Output (Pmin) 4.4 kW 4.4 kW Gas Rate (maximum)
  • Page 16 Performance...

  • Page 17: General Notes

    GENERAL NOTES CLEARANCES Above 300 mm In front 600 mm Below 150 mm Right hand side 10 mm Left hand side 10 mm...
  • Page 18 SHOWERS, BIDETS, TAPS AND MIXING VALVES HOT AND COLD FLOW WATER MAINS FAILURE USE IN HARD WATER AREAS FROST PRECAUTIONS SERVICE WARNING CLEANING SAFETY FEATURES...

  • Page 19: Operation Of Controls

    OPERATION OF CONTROLS Operation Starting up Note: Fig. 2 output decrease output increase Fig. 3...
  • Page 20 Temperature Control Fig. 4 Shut Down Fig. 5 Servicing...
  • Page 21 Fig. 6 - Controls Fig. 6...
  • Page 22 APPLIANCE FAILS TO OPERATE CALL-OUT CHARGES NOTE:...

  • Page 23: Maintaining Your Appliance

    MAINTAINING YOUR APPLIANCE...

  • Page 24: Service Centres

    SERVICE CENTRES Region Telephone Opening Hours (Mon to Fri) NOTE:...
  • Page 25 YOUR WORCESTER W125 GUARANTEE...

  • Page 28: Guarantee Registration

    GUARANTEE REGISTRATION IMPORTANT: Worcester Heat Systems Limited, Cotswold Way, Warndon, Worcester WR4 9SW. Telephone: (01905) 754624. Fax: (01905) 754619 Technical Helpline (0990) 266241 6 720 606 081 PT 2000.01...

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