VOKERA Vision C - User Manual

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Users Instructions

Installation &

Servicing

Instructions

THESE INSTRUCTIONS

TO BE RETAINED

BY USER

Vokèra is a licensed member of the Benchmark scheme

which aims to improve the standards of installation and

commissioning of domestic hot water systems in the UK.

Vision C



Main Page

Table of Contents2
Users Instructions3
- Things You Should Know Page3
- Gas Appliances3
- Electrical Supply3
- Guarantee Registration Card3
- Appliance Log Book (UK Only)3
- How Does It Work3
- Dimensions3
- Clearances Required3
- Frost Protection System3
- Pressure Gauge4
- Getting Started Page8
- Before Switching on8
- Appliance Controls8
- Lighting the Boiler8
- Adjusting the Heating Temperature8
- Adjusting the Hot Water Temperature8
- Explanation of Features8
- Automatic Temperature Control8
- How to8
  - How to Top-Up the System Pressure8
- What if9
  - What if I Suspect a Gas Leak9
- What if I Have Frequently Top-Up the System9
- What if the Appliance Is Due Its Annual Service9
- What if I Need to Call an Engineer9
Installation and Servicing Instructions10
- Principle Components11
- Mode of Operation (at Rest)11
- Mode of Operation (Heating)11
- Mode of Operation (Hot Water)11
- Safety Devices11
- Central Heating12
- Domestic Hot Water12
- Gas Pressures12
- Expansion Vessel12
- Dimensions12
- Clearances12
- Connections12
- Electrical12
- Flue Details (Concentric 60-100)12
- A Flue Details (Concentric 80-125)12
- Eficiency13
- Emissions13
- Pump Duty13
- Related Documents14
- Location of Appliance14
- Gas Supply14
- Flue System14
- Air Supply14
- Water Circulation14
- Electrical Supply15
- Mounting on a Combustible Surface15
- Timber Framed Buildings15
- Inhibitors15
- Showers15
- Related Documents15
- Location of Appliance15
- Gas Supply15
- Flue System15
- Air Supply16
- Water Circulation16
- Electrical Supply16
- Mounting on a Combustible Surface16
- Timber Framed Buildings16
- 10 Inhibitors16
- 11 Showers16
- 12 Declaration of Conformity16
Fitting the Lue17
Delivery17
Contents17
Unpacking17
Preparation for Mounting the Appliance17
Connecting the Gas & Water21
Electrical Connections21
Final Lushing of the Heating System22
Initial Illing of the System22
Initial Lushing of the System22
Gas Supply Installation22
The Heating System22
Pre-Operation Checks22
Initial Lighting22
Checking Gas Pressure & Combustion Analysis22
Setting the Boiler Operating Temperature22
Setting the System Design Pressure22
Regulating the Central Heating System23
Final Checks23
Instructing the User23
General23
Routine Annual Servicing23
Replacement of Components23
Component Removal Procedure23
Pump Assembly24
Safety Valve24
Lower Automatic Air Release Valves24
Water Pressure Switch24
Flow Thermistor24
Return Thermistor24
Printed Circuit Board24
Gas Valve25
Electrodes25
Flue Fan & Mixer25
Burner25
Main Heat Exchanger26
Automatic By-Pass & DHW Non-Return Valve26
Expansion Vessel Removal26
Condense Trap Removal26
Flue Collector Removal27
Checking Appliance Operation28
Appliance Modes of Operation28
Checking the CO 2 & Adjusting the Valve28
Combustion Analysis Test29
Checking the Expansion Vessel29
External Faults29
Electrical Checks29
Fault Inding30
Component Values & Characteristics30
Adjustments31
External Wiring33
Other Devices33
Related Documents35
Technical Data35
Converting the Appliance Gas Type35
Gas Supply35
Gas Supply Installation35
Checking the CO 2 and Adjusting the Gas Valve35
Benchmark37

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VOKERA Vision C Specifications

General

Brand	VOKERA
Model	Vision C
Category	Boiler
Language	English

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