Document Outline

• Installation User and Service Manual
• c
  • Copyright
  • Trademarks
  • Liability
  • More information
• Table of contents
• 1 Introduction
  • 1.1 About the appliance
  • 1.2 What to do if you smell gas
  • 1.3 Regulations
  • 1.4 Target groups
  • 1.5 Maintenance
  • 1.6 Forms of notation
  • 1.7 Overview of this document
• 2 Functioning of the appliance
  • 2.1 Introduction
  • 2.2 Functional description of the appliance
  • 2.3 The appliance’s heating cycle
  • 2.4 Protection for the appliance
    • 2.4.1 Water temperature protection
    • 2.4.2 Gas control
    • 2.4.3 Fan
    • 2.4.4 Pressure switch
    • 2.4.5 Ionisation rod
  • 2.5 Safety of the installation
    • 2.5.1 Unvented installation
    • 2.5.2 Vented installation
    • 2.5.3 T&P valve
• 3 Installation
  • 3.1 Introduction
  • 3.2 Packaging
  • 3.3 Environmental conditions
    • 3.3.1 Humidity and ambient temperature
    • 3.3.2 Maximum floor loading
    • 3.3.3 Water composition
    • 3.3.4 Working clearances
  • 3.4 Technical specifications
    • Table 3.6 Gas data
      • (1) Based on 1013.25 mbar and 15oC.
      • (2) If using a flat sealing plate instead of a burner pressure regulator, it is assumed that the burner pressure is equal to the supply pressure. In practice however, the burner pressure will be lower.
  • 3.5 Installation diagram
  • 3.6 Water connections, Unvented
    • 3.6.1 Cold water side
    • 3.6.2 Hot water side
    • 3.6.3 Circulation pipe
    • 3.6.4 Condensation drainage
  • 3.7 Water connections, Vented
    • 3.7.1 Cold water side
    • 3.7.2 Hot water side
    • 3.7.3 Circulation pipe
    • 3.7.4 Condensation drainage
  • 3.8 Gas connection
  • 3.9 Air supply and flue gas discharge
    • 3.9.1 Concentric wall flue terminal
    • 3.9.2 Concentric roof flue terminal
  • 3.10 Electrical connection
    • 3.10.1 Introduction
    • 3.10.2 Preparation
    • 3.10.3 Mains voltage
    • 3.10.4 Isolating Transformer
    • 3.10.5 Continuous pump
    • 3.10.6 program-controlled pump
    • 3.10.7 Extra ON mode switch (“Tank ON”)
    • 3.10.8 Connecting extra error signal (“Alarm OUT”)
  • 3.11 Checking the supply pressure and burner pressure
  • 3.12 Conversion to a different gas category
    • 15. Check the burner and supply pressure (see paragraph 3.11).
• 4 Filling and draining
  • 4.1 Introduction
  • 4.2 Filling the appliance
    • 4.2.1 Filling unvented installations
    • 4.2.2 Filling vented installations
  • 4.3 Draining the appliance
    • 4.3.1 Draining unvented installations
    • 4.3.2 Draining vented installations
• 5 The control panel
  • 5.1 Introduction
  • 5.2 Operating
  • 5.3 Explanation of the icons
  • 5.4 ON/OFF switch of ThermoControl
  • 5.5 Navigation buttons
  • 5.6 PC connection.
• 6 Status of the appliance
  • 6.1 Introduction
  • 6.2 Operating modes
  • 6.3 Error conditions
  • 6.4 Service condition
• 7 Starting up and shutting down
  • 7.1 Introduction
  • 7.2 Starting up
  • 7.3 Shutting down
    • 7.3.1 Shut the appliance down for a brief period (“OFF mode”)
    • 7.3.2 Disconnect the appliance from the mains
    • 7.3.3 Shut the appliance down for a longer period
  • 7.4 The appliance’s heating cycle
• 8 Main menu
  • 8.1 Introduction
  • 8.2 Notational convention for menu-related instructions
  • 8.3 Switching into “ON mode”
  • 8.4 Setting the water temperature
    • 8.4.1 Setting the water temperature via SETPOINT MENU
    • 8.4.2 Setting water temperature during ON mode
  • 8.5 Week programme
    • 8.5.1 Introduction
    • 8.5.2 Starting up and shutting down the week program
    • 8.5.3 Changing the appliance’s standard week program
    • 8.5.4 Adding times to a week program
    • 8.5.5 Deleting times from a week program
  • 8.6 Extra period
    • 8.6.1 Introduction
    • 8.6.2 Programming an extra period
  • 8.7 Settings
    • 8.7.1 Introduction
    • 8.7.2 Setting menu language
    • 8.7.3 Setting day and time
    • 8.7.4 Displaying appliance specifications
• 9 Service program
  • 9.1 Introduction
  • 9.2 Setting the hysteresis
  • 9.3 Displaying the error history
  • 9.4 Displaying the appliance history
  • 9.5 Display the selected appliance
  • 9.6 Setting the pump on/off
  • 9.7 Setting the service interval
  • 9.8 Setting the display contrast
  • 9.9 Setting the backlight time
  • 9.10 Setting the display scroll speed
• 10 Troubleshooting
  • 10.1 Introduction
  • 10.2 Troubleshooting table for general errors
  • 10.3 Troubleshooting table for displayed errors
• 11 Maintenance frequency
  • 11.1 Introduction
  • 11.2 Determining service interval
• 12 Maintenance
  • 12.1 Introduction
  • 12.2 Preparation for maintenance
  • 12.3 Water-side maintenance
    • 12.3.1 Introduction
    • 12.3.2 Checking the anodes
    • 12.3.3 Descaling and cleaning the tank
    • 12.3.4 Cleaning condensation water discharge
  • 12.4 Gas-side maintenance
    • 12.4.1 Introduction
    • 12.4.2 Cleaning the burner
    • 12.4.3 Cleaning the orifice
    • 12.4.4 Cleaning heat exchanger
  • 12.5 Finalising maintenance
• 13 Warranty (Certificate)
  • 13.1 General warranty
  • 13.2 Tank warranty
  • 13.3 Installation and conditions of use
  • 13.4 Exclusions
  • 13.5 Scope of the warranty
  • 13.6 Claims
  • 13.7 Limitation of liability A.O. Smith
• A Appendices
  • A.1 Introduction
  • A.2 Electrical diagram BFC
• IX Index