VOKERA Compact 25 HE Manuals

Manuals and User Guides for VOKERA Compact 25 HE. We have 1 VOKERA Compact 25 HE manual available for free PDF download: Installation & Servicing Instructions Manual

VOKERA Compact 25 HE Installation & Servicing Instructions Manual

VOKERA Compact 25 HE Installation & Servicing Instructions Manual (48 pages)

High efficiency combi boiler Compact HE Series

Brand: VOKERA | Category: Boiler | Size: 6 MB

Table of Contents

Table of Contents
2
General Layout
3
Design Principles and Operating Sequence

4
Technical Data

5
- 2.1 Central Heating
  5
- 2.2 Domestic Hot Water
  5
- Gas Pressure
  5
- 2.4 Expansion Vessel
  5
- 2.5 Dimensions
  5
- 2.6 Clearances
  5
- 2.7 Connections
  5
- 2.8 Electrical
  5
- Flue Details
  5
- Pump Duty
  6
- 2.12 Appliance
  6
General Requirements (UK)

6
- Related Documents
  7
- Location of Appliance
  7
- Gas Supply
  7
- Flue System
  7
- Air Supply
  7
- Water Circulation
  7
- Pipework
  8
- Automatic By-Pass
  8
- Drain Cocks
  8
- Air Release Points
  8
- Expansion Vessel
  8
- Filling Point
  8
- Low Pressure Sealed System
  8
- Frequent Filling
  8
- Electrical Supply
  8
- Showers
  8
- Mounting on a Combustible Surface
  9
- Timber Framed Building
  9
- Inhibitors
  9
General Requirements (EIRE)

10
- A1 Related Documents
  10
- A2 Location of Appliance
  10
- A3 Gas Supply
  10
- A4 Flue System
  10
- A5 Air Supply
  10
- A6 Water Circulation
  10
- A6.1 Pipework
  10
- A6.2 Automatic By-Pass
  10
- A6.3 Drain Cocks
  10
- A6.6 Filling Point
  11
- A6.7 Low Pressure Sealed System
  11
- A6.8 Frequent Filling
  11
- A7 Electrical Supply
  11
- A8 Showers
  11
- A9 Mounting on a Combustible Surface
  11
- A10 Timber Framed Building
  11
- A11 Inhibitors
  11
- A12 Declaration of Conformity
  11
Installation

12
- Delivery
  12
- Contents
  12
- Unpacking
  12
- Preparation for Mounting the Appliance
  12
- Fitting the Flue
  12
- Concentric Horizontal Flue
  12
- Concentric Vertical Flue
  13
- Twin Flue System
  14
- Connecting the Gas and Water
  16
- Gas
  16
- Flow and Return
  16
- Cold Water Inlet
  16
- Hot Water Outlet
  16
- Safety Valve
  16
- Condense Pipe
  16
- Electrical Connections
  16
- Casing Removal
  17
- Appliance Terminal Block
  17
- Connecting the Mains (230V) Input
  17
Commissioning

18
- Gas Supply Installation
  18
- The Heating System
  18
- Initial Filling of the System
  18
- Initial Flushing
  18
- Filling the Hot Water System
  18
- Pre-Operation Checks
  18
- Initial Lighting
  18
- Checking Burner Pressures
  18
- Final Flushing of the Heating System
  18
- Setting the DHW Temperature
  19
- Setting the System Design Pressure
  19
- Regulating the Hot Water
  19
- 5.11.1 Changing the Flow Restrictor
  19
- Regulating the Central Heating System
  19
- Final Checks
  19
- Instructing the User
  19
Servicing Instructions

20
- General
  20
- Routine Annual Servicing
  20
- Replacement of Components
  20
- Component Removal Procedure
  20
- Pump Assembly
  20
- Safety Valve
  20
- Automatic Air Release Valve
  21
- Water Pressure Switch
  21
- Pressure Gauge
  21
- Primary Thermistor
  21
- High Limit Thermostat
  21
- Pcb
  21
- Gas Valve
  21
- Integral Time Switch
  22
- Electrode, Burner Thermostat, Burner & Injectors
  22
- Flue Fan
  23
- Main Heat Exchanger
  23
- Air Pressure Switch
  23
- Flow Restrictor
  23
- DHW Flow Switch
  24
- DHW Heat Exchanger
  24
- Valve Actuator
  24
- Divertor Valve Cartridge
  24
- DHW Thermistor
  24
- Automatic By-Pass
  24
- DHW Non-Return Valve
  24
- Expansion Vessel
  24
- Expansion Vessel Removal (with Sufficient Clearance Above)
  24
- Expansion Vessel Removal (with Insufficient Clearance Above)
  25
- Latent Heat Collector
  25
- Dismantling the Latent Heat Collector
  25
- Retarder
  25
- Condense Trap Removal
  26
Checks, Adjustments and Fault Finding

26
- Checking Appliance Operation
  26
- Appliance Mode of Operation
  26
- Selector Switch in the off Position
  26
- Selector Switch in the Hot Water Only Position
  26
- Selector Switch in the Heating & Hot Water Position
  26
- Appliance Functions
  26
- DHW Mode
  26
- Heating Mode
  27
- Checking & Adjusting Burner Pressure
  28
- Setting the Maximum Burner Pressure
  28
- Setting the Minimum Burner Pressure
  28
- Setting the Minimum CH Output
  28
- Combustion Analysis Test
  28
- Checking the Expansion Vessel
  29
- External Faults
  29
- Installation Faults
  29
- Electrical Checks
  29
- Earth Continuity Test
  29
- Short Circuit Check
  29
- Polarity Check
  29
- Reversed Polarity or Supply Fault
  30
- Resistance to Earth Check
  30
- Fault Finding
  30
- Replacing the Main PCB
  30
- Fault Codes
  30
- Fault Finding
  33
Wiring Diagrams

37
- External Wiring
  37
- Typical Control Applications
  37
- Vokera Remote Control
  37
- Room Thermostat
  37
- Other Controls
  37
- Functional Diagram
  38
Exploded Diagrams

39
L.p.g. Instructions

44

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