VOKERA Excel 25 Manuals

VOKERA Excel 25 Manuals

Manuals and User Guides for VOKERA Excel 25. We have 1 VOKERA Excel 25 manual available for free PDF download: User Instructions

VOKERA Excel 25 User Instructions

VOKERA Excel 25 User Instructions (36 pages)

High efficiency combi boiler

Brand: VOKERA | Category: Boiler | Size: 14 MB

Table of Contents

Table of Contents
2
Users Instructions

3
Installation and Servicing Instructions

7
- Design Principles & Operating Sequence
  
  8
- Technical Data
  
  9
  - Central Heating
    9
  - Domestic Hot Water
    9
  - Gas Pressures
    9
  - Expansion Vessel
    9
  - Dimensions
    9
  - Clearances
    9
  - Connections
    9
  - Electrical
    9
  - Flue Details (Concentric)
    9
  - A Flue Details (Twin Pipes)
    9
  - Pump Duty
    10
- General Requirements (UK)
  
  11
  - Related Documents
    11
  - Location of Appliance
    11
  - Gas Supply
    11
  - Flue System
    11
  - Air Supply
    11
  - Water Circulation
    11
- General Requirements (EIRE)
  
  12
  - Electrical Supply
    12
  - Mounting on a Combustible Surface
    12
  - Timber Framed Buildings
    12
  - Inhibitors
    12
  - Showers
    12
  - Related Documents
    12
  - Location of Appliance
    12
  - Gas Supply
    12
  - Flue System
    12
  - Air Supply
    13
  - Water Circulation
    13
  - Electrical Supply
    13
  - Mounting on a Combustible Surface
    13
  - Timber Framed Buildings
    13
  - 10 Inhibitors
    13
  - 11 Showers
    13
  - 12 Declaration of Conformity
    13
  - Delivery
    14
  - Contents
    14
  - Unpacking
    14
  - Preparation for Mounting the Appliance
    14
  - Fitting the Flue
    14
  - Connecting the Gas & Water
    17
  - Electrical Connections
    18
Commissioning

19
- Gas Supply Installation
  19
- The Heating System
  19
- Initial Filling of the System
  19
- Initial Flushing of the System
  19
- Pre-Operation Checks
  19
- Initial Lighting
  19
- Checking Gas Pressure & Combustion Analysis
  19
- Final Flushing of the Heating System
  19
- Setting the Boiler Operating Temperature
  19
- Setting the System Design Pressure
  19
- Regulating the Central Heating System
  20
- Final Checks
  20
- Instructing the User
  20
- General
  20
- Routine Annual Servicing
  20
- Replacement of Components
  20
- Component Removal Procedure
  21
- Pump Assembly
  21
- Safety Valve
  21
- Lower Automatic Air Release Valves
  21
- Water Pressure Switch
  21
- Flow Thermistor
  21
- Return Thermistor
  21
- Printed Circuit Board
  21
- Gas Valve
  22
- Electrodes
  22
- Flue Fan & Mixer
  22
- Burner
  22
- Main Heat Exchanger
  23
- Automatic By-Pass & DHW Non-Return Valve
  23
- Expansion Vessel Removal
  23
- Condense Trap Removal
  23
- Flue Collector Removal
  24
Checks, Adjustments and Fault Finding

25
- Checking Appliance Operation
  25
- Appliance Modes of Operation
  25
- Checking the CO
  25
- Checking the Expansion Vessel
  26
  - Co2 Function Settings
    26
  - Gas Valve Maximum/Minimum Setting
    26
- External Faults
  26
- Electrical Checks
  26
- Fault Finding
  27
- Component Values & Characteristics
  27
- External Wiring
  28
Wiring Diagrams

28
- Typical Control Applications
  28
- Other Devices
  28
- Vokèra Lower Cover Mechanical Clock
  28
- Functional Diagram
  29
L.P.G. Instructions

30
- Related Documents
  30
- Technical Data
  30
- Converting the Appliance Gas Type
  30
- Gas Supply
  30
- Gas Supply Installation
  30
- Checking the CO 2 and Adjusting the Gas Valve
  30
Benchmark

32

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