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Inhaltsverzeichnis

• Installation User and Service Manual

  1
• c

  1
  • Copyright

    3
  • Trademarks

    3
  • Liability

    3
  • More information

    3
• Table of contents

  5
• 1 Introduction

  9
  • 1.1 About the appliance

    9
  • 1.2 What to do if you smell gas

    9
  • 1.3 Regulations

    9
  • 1.4 Target groups

    10
  • 1.5 Maintenance

    10
  • 1.6 Forms of notation

    10
  • 1.7 Overview of this document

    11
• 2 Functioning of the appliance

  13
  • 2.1 Introduction

    13
  • 2.2 Functional description of the appliance

    13
  • 2.3 The appliance’s heating cycle

    14
  • 2.4 Protection for the appliance

    14
    • 2.4.1 Water temperature protection

      15
    • 2.4.2 Gas control

      15
    • 2.4.3 Fan

      15
    • 2.4.4 Pressure switch

      15
    • 2.4.5 Ionisation rod

      16
  • 2.5 Safety of the installation

    16
    • 2.5.1 Unvented installation

      16
    • 2.5.2 Vented installation

      16
    • 2.5.3 T&P valve

      16
• 3 Installation

  17
  • 3.1 Introduction

    17
  • 3.2 Packaging

    17
  • 3.3 Environmental conditions

    17
    • 3.3.1 Humidity and ambient temperature

      18
    • 3.3.2 Maximum floor loading

      18
    • 3.3.3 Water composition

      18
    • 3.3.4 Working clearances

      18
  • 3.4 Technical specifications

    20
    • Table 3.6 Gas data

      23
      • (1) Based on 1013.25 mbar and 15oC.

        23
      • (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.

        23
  • 3.5 Installation diagram

    23
  • 3.6 Water connections, Unvented

    25
    • 3.6.1 Cold water side

      25
    • 3.6.2 Hot water side

      25
    • 3.6.3 Circulation pipe

      25
    • 3.6.4 Condensation drainage

      25
  • 3.7 Water connections, Vented

    26
    • 3.7.1 Cold water side

      26
    • 3.7.2 Hot water side

      26
    • 3.7.3 Circulation pipe

      26
    • 3.7.4 Condensation drainage

      26
  • 3.8 Gas connection

    26
  • 3.9 Air supply and flue gas discharge

    27
    • 3.9.1 Concentric wall flue terminal

      28
    • 3.9.2 Concentric roof flue terminal

      29
  • 3.10 Electrical connection

    30
    • 3.10.1 Introduction

      30
    • 3.10.2 Preparation

      30
    • 3.10.3 Mains voltage

      31
    • 3.10.4 Isolating Transformer

      32
    • 3.10.5 Continuous pump

      32
    • 3.10.6 program-controlled pump

      32
    • 3.10.7 Extra ON mode switch (“Tank ON”)

      32
    • 3.10.8 Connecting extra error signal (“Alarm OUT”)

      33
  • 3.11 Checking the supply pressure and burner pressure

    33
  • 3.12 Conversion to a different gas category

    35
    • 15. Check the burner and supply pressure (see paragraph 3.11).

      37
• 4 Filling and draining

  39
  • 4.1 Introduction

    39
  • 4.2 Filling the appliance

    39
    • 4.2.1 Filling unvented installations

      39
    • 4.2.2 Filling vented installations

      39
  • 4.3 Draining the appliance

    41
    • 4.3.1 Draining unvented installations

      41
    • 4.3.2 Draining vented installations

      41
• 5 The control panel

  43
  • 5.1 Introduction

    43
  • 5.2 Operating

    43
  • 5.3 Explanation of the icons

    44
  • 5.4 ON/OFF switch of ThermoControl

    44
  • 5.5 Navigation buttons

    44
  • 5.6 PC connection.

    44
• 6 Status of the appliance

  45
  • 6.1 Introduction

    45
  • 6.2 Operating modes

    45
  • 6.3 Error conditions

    46
  • 6.4 Service condition

    47
• 7 Starting up and shutting down

  49
  • 7.1 Introduction

    49
  • 7.2 Starting up

    49
  • 7.3 Shutting down

    49
    • 7.3.1 Shut the appliance down for a brief period (“OFF mode”)

      50
    • 7.3.2 Disconnect the appliance from the mains

      50
    • 7.3.3 Shut the appliance down for a longer period

      50
  • 7.4 The appliance’s heating cycle

    51
• 8 Main menu

  53
  • 8.1 Introduction

    53
  • 8.2 Notational convention for menu-related instructions

    53
  • 8.3 Switching into “ON mode”

    54
  • 8.4 Setting the water temperature

    54
    • 8.4.1 Setting the water temperature via SETPOINT MENU

      54
    • 8.4.2 Setting water temperature during ON mode

      54
  • 8.5 Week programme

    55
    • 8.5.1 Introduction

      55
    • 8.5.2 Starting up and shutting down the week program

      55
    • 8.5.3 Changing the appliance’s standard week program

      55
    • 8.5.4 Adding times to a week program

      57
    • 8.5.5 Deleting times from a week program

      58
  • 8.6 Extra period

    60
    • 8.6.1 Introduction

      60
    • 8.6.2 Programming an extra period

      60
  • 8.7 Settings

    61
    • 8.7.1 Introduction

      61
    • 8.7.2 Setting menu language

      61
    • 8.7.3 Setting day and time

      62
    • 8.7.4 Displaying appliance specifications

      62
• 9 Service program

  65
  • 9.1 Introduction

    65
  • 9.2 Setting the hysteresis

    65
  • 9.3 Displaying the error history

    65
  • 9.4 Displaying the appliance history

    66
  • 9.5 Display the selected appliance

    66
  • 9.6 Setting the pump on/off

    66
  • 9.7 Setting the service interval

    66
  • 9.8 Setting the display contrast

    67
  • 9.9 Setting the backlight time

    67
  • 9.10 Setting the display scroll speed

    67
• 10 Troubleshooting

  69
  • 10.1 Introduction

    69
  • 10.2 Troubleshooting table for general errors

    70
  • 10.3 Troubleshooting table for displayed errors

    72
• 11 Maintenance frequency

  83
  • 11.1 Introduction

    83
  • 11.2 Determining service interval

    83
• 12 Maintenance

  85
  • 12.1 Introduction

    85
  • 12.2 Preparation for maintenance

    85
  • 12.3 Water-side maintenance

    87
    • 12.3.1 Introduction

      87
    • 12.3.2 Checking the anodes

      87
    • 12.3.3 Descaling and cleaning the tank

      87
    • 12.3.4 Cleaning condensation water discharge

      87
  • 12.4 Gas-side maintenance

    87
    • 12.4.1 Introduction

      87
    • 12.4.2 Cleaning the burner

      87
    • 12.4.3 Cleaning the orifice

      88
    • 12.4.4 Cleaning heat exchanger

      88
  • 12.5 Finalising maintenance

    88
• 13 Warranty (Certificate)

  89
  • 13.1 General warranty

    89
  • 13.2 Tank warranty

    89
  • 13.3 Installation and conditions of use

    89
  • 13.4 Exclusions

    89
  • 13.5 Scope of the warranty

    90
  • 13.6 Claims

    90
  • 13.7 Limitation of liability A.O. Smith

    90
• A Appendices

  91
  • A.1 Introduction

    91
  • A.2 Electrical diagram BFC

    92
• IX Index

  95