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Vaillant Vantage 120 Installation Instructions Manual

Also see for Vantage 120: Operating instructions & installation instructions

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Contents
  1. installation instructions
  2. Table Of Contents
  3. Technical data
  4. Dimensions
  5. Applications
  6. Functional diagrams
  7. connections
  8. Functional description
  9. Secondary System
  10. Installation requirements
  11. Mains Water Pressure
  13. Pipework - Primary Circuit
  14. Discharge Pipework
  15. High Level Termination
  16. Installation procedure
  17. Secondary system Pipework
  18. Safety valve discharge pipework
  19. Electrical connections and controls
  20. Control options - system wiring scheme
  21. Commissioning
  22. Filling the Primary Circuit
  23. User's Instructions
  24. Maintenance
  25. Fault Finding
Vaillant Vantage 120 Installation Instructions Manual Manual pdf 32 page image
11 Fault findingVaillant Vantage 120/150/20032VIH_Fault_AFig. 16The water from the cylinder is cold.Does boiler operate? Do external controlsfunction?Remedy faultaccording to boilerinstructions.Remedy faultaccording to controlsinstructions.Is 3-port valve incorect position? (Midor DHW position).Does cylinderthermostat operate?Replace cylinderthermostat.Vent heating coil ofair (H, fig. 4).Check/replace3-port valve.Is operation nowOK?Fault remedied.NONOYESYESNO NOYESYESYESNO11 Fault findingNote:Only genuine spare parts suppliedby Vaillant Limited must be used.Fault A:VIH_Fault_A
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This manual is suitable for:
Vantage 120Vantage 150Vantage 200
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