VOKERA Unica BHE Manuals

VOKERA Unica BHE Manuals

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

VOKERA Unica BHE Installation & Servicing Instructions Manual

VOKERA Unica BHE Installation & Servicing Instructions Manual (40 pages)

High effiency combi boiler

Brand: VOKERA | Category: Boiler | Size: 8 MB

Table of Contents

Table of Contents
2
Design Principles & Operating Sequence

5
Technical Data Page

6
- Central Heating
  6
- Domestic Hot Water
  6
- Gas Pressures
  6
- Expansion Vessel
  6
- Dimensions
  6
- Clearances
  6
- Connections
  6
- Electrical
  6
- Flue Details (Concentric)
  6
- Pump Duty
  7
General Requirements (UK)

8
- Related Documents
  8
- Location of Appliance
  8
- Gas Supply
  8
- Flue System
  8
- Air Supply
  8
- Water Circulation
  8
- Electrical Supply
  9
- Mounting on a Combustible Surface
  9
- Timber Framed Buildings
  9
- Inhibitors
  9
- Showers
  9
General Requirements (EIRE)

10
- Related Documents
  10
- Location of Appliance
  10
- Gas Supply
  10
- Flue System
  10
- Air Supply
  10
- Water Circulation
  10
- Electrical Supply
  11
- Mounting on a Combustible Surface
  11
- Timber Framed Buildings
  11
- 10 Inhibitors
  11
- 11 Showers
  11
- 12 Declaration of Conformity
  11
Installation

12
- Delivery
  12
- Contents
  12
- Unpacking
  12
- Preparation for Mounting the Appliance
  12
- Fitting the Flue
  13
- Connecting the Gas & Water
  17
- Electrical Connections
  18
Commissioning

19
Servicing

21
- General
  21
- Routine Annual Servicing
  21
- Replacement of Components
  21
- Component Removal Procedure
  21
- Pump Assembly
  21
- Safety Valve
  22
- Lower Automatic Air Release Valves
  22
- Water Pressure Switch
  22
- Primary Thermistor
  22
- Return Thermistor
  22
- Printed Circuit Board
  22
- Gas Valve
  22
- Electrodes and Condense Sensor
  23
- Flue Fan & Mixer
  23
- Burner
  23
- Main Heat Exchanger
  24
- Automatic By-Pass
  24
- Expansion Vessel
  24
- Condense Trap Removal
  24
- Flue Collector Removal
  25
Checks, Adjustments and Fault Finding

26
- Checking Appliance Operation
  26
- Appliance Modes of Operation
  26
- Appliance Fan Speed
  27
- Checking the CO 2 & Adjusting the Valve
  27
- Combustion Analysis Test
  28
- Checking the Expansion Vessel
  28
- External Faults
  28
- Electrical Checks
  28
- Fault Finding
  29
- Boiler Configuration
  29
- Final Fault Codes
  29
- Component Values & Characteristics
  29
Wiring Diagrams

30
- External Wiring
  30
- Typical Control Applications
  30
- Other Devices
  30
Exploded Diagrams

32
- Table
  33
- Table 4
  34
- Table 5
  35
L.P.G. Instructions

36
- Related Documents
  36
- Technical Data
  36
- Converting the Appliance Gas Type
  36
- Gas Supply
  36
- Gas Supply Installation
  36
- Adjusting the Gas Valve
  36
- Appliance Fan Speed
  37
Benchmark

38
- Service Record
  39

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