VOKERA Easi-Heat Plus 25C User Manual

Name: VOKERA Easi-Heat Plus 25C
Brand: VOKERA
Rating: 4 (1 reviews)

36 pages

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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.

Easi-Heat Plus C

High efciency combi boiler

Easi-Heat Plus 25C G.C. N° 47-364-29

Easi-Heat Plus 29C G.C. N° 47-364-30

Default Chapter2
- Table of Contents2
Users Instructions3
- Controls & Features4
- Pressure Gauge4
- Adjusting the Heating Temperature5
- Adjusting the Hot Water Temperature5
- Appliance Controls5
- Automatic Temperature Control5
- Before Switching on5
- Explanation of Features5
1 Things You Should Know3
- APPLIANCE COMMISSIONING CHECKLIST (UK Only)3
- Clearances Required3
- Dimensions3
- Dimensions/Clearances Required3
- Electrical Supply3
- Gas Appliances3
- Guarantee Registration Card3
- How Does It Work3
2 Getting Started5
3 How to5
- How to Top-Up the System Pressure5
- Lighting the Boiler5
4 What if6
- What if I Have Frequently to Top-Up the System6
- What if I Need to Call an Engineer6
- What if I Suspect a Gas Leak6
- What if the Appliance Is Due Its Annual Service6
- General Layout7
5 Setting the Vokèra6
- Setting the Vokèra Mechanical Clock6
- Status Led and Fault Codes6
Installation and Servicing Instructions7
- MODE of OPERATION (at Rest)8
- MODE of OPERATION (Heating)8
- MODE of OPERATION (Hot Water)8
- Principle Components8
- Safety Devices8
Section 1 - Design Principles and Operating Sequence8
- Central Heating9
- Clearances9
- Connections9
- Dimensions9
- Domestic Hot Water9
- Electrical9
- Expansion Vessel9
- Flue Details (Concentric 60-100)9
- Gas Pressures9
Section 2 - Technical Data9
- Pump Duty11
- Air Supply12
- Flue System12
- Gas Supply12
- Location of Appliance12
- Related Documents12
Section 3 - General Requirements (Uk)12
- Water Circulation12
- Electrical Supply13
- Flue System13
- Gas Supply13
- Inhibitors13
- Location of Appliance13
- Mounting on a Combustible Surface13
- Related Documents13
Section 3A - General Requirements (Eire)13
- Showers13
- Timber Framed Buildings13
- 10 Inhibitors14
- 11 Showers14
- 12 Declaration of Conformity14
- Air Supply14
- Electrical Supply14
- Mounting on a Combustible Surface14
- Timber Framed Buildings14
- Water Circulation14
- Contents15
- Delivery15
- Fitting the Flue15
- Preparation for Mounting the Appliance15
Section 4 - Installation15
- Unpacking15
- Connecting the Gas and Water17
- Electrical Connections17
- Checking Gas Pressure and Combustion Analysis18
- Gas Supply Installation18
- Initial Filling of the System18
- Initial Flushing of the System18
- Initial Lighting18
- Pre-Operation Checks18
Section 5 - Commissioning18
- The Heating System18
- Final Checks19
- Final Flushing of the Heating System19
- General19
- Instructing the User19
- Regulating the Central Heating System19
- Routine Annual Servicing19
Section 6 - Servicing Instructions19
- Setting the Flow Outlet Temperature19
- Setting the System Design Pressure19
- Component Removal Procedure20
- Flow Thermistor20
- Lower Automatic Air Release Valve20
- Pump Assembly20
- Replacement of Components20
- Safety Valve20
- Water Pressure Switch20
- Burner21
- Electrodes21
- Flue Fan & Mixer21
- Gas Valve21
- Printed Circuit Board21
- Return Thermistor21
- Automatic By-Pass & Dhw Non-Return Valve22
- Condense Trap Removal22
- Expansion Vessel Removal22
- Main Heat Exchanger22
- Flue Collector Removal23
- Adjusting the Gas Valve24
- Appliance Modes of Operation24
- Checking Appliance Operation24
- Checking the Co24
Section 7 - Checks, Adjustments and Fault Finding24
- Checking the Expansion Vessel25
- Combustion Analysis Test25
- Electrical Checks25
- External Faults25
- Gas Valve Maximum/Minimum Setting25
- Component Values & Characteristics26
- Fault Finding26
- External Wiring27
- Other Devices27
Section 8 - Wiring Diagrams27
- Typical Control Applications27
- Vokèra Lower Cover Mechanical Clock27
- Functional Diagram28
- Checking the Co and Adjusting the Gas Valve29
- Converting the Appliance Gas Type29
- Gas Supply29
- Gas Supply Installation29
- Related Documents29
Section 9 - Lpg Instructions29
- Technical Data29
Commissioning Checklist30
Benchmark31
- Service Record33

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VOKERA Easi-Heat Plus 25C Specifications

General

Boiler Type	Combi
DHW Flow Rate	10.2 l/min
Energy Efficiency Class	A
Mounting	Wall-mounted
Fuel Type	Natural Gas
Domestic Hot Water Output	25 kW
Water Pressure	0.5 - 3 bar

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