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Riello Vokera Compact A Series User Manual

Riello Vokera Compact A Series
40 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.
Compact A
High efciency combi boiler
Compact 25 A G.C. N° 47-364-44
Compact 29 A G.C. N° 47-364-19
Compact 32 A G.C. N° 47-364-51

Table of Contents

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Riello Vokera Compact A Series Specifications

General IconGeneral
TypeCondensing
Warranty2 Years
Boiler TypeCombi
Fuel TypeNatural Gas
MountingWall Mounted
FuelNatural Gas

Summary

1. THINGS YOU SHOULD KNOW.

1.1 GAS APPLIANCES

Legal requirements for gas appliance installation and maintenance.

1.2 ELECTRICAL SUPPLY

Ensuring correct connection to the electrical supply by a qualified person.

1.4 APPLIANCE COMMISSIONING CHECKLIST (UK only)

Mandatory checklist for boiler installation/commissioning by GAS SAFE installers.

1.5 HOW DOES IT WORK?

Explanation of the boiler's operation for heating and hot water supply.

1.6 DIMENSIONS

Key physical dimensions of the Vokèra Compact A boiler.

1.8 FROST PROTECTION SYSTEM

Details on the built-in system to prevent frost damage to the appliance.

2. GETTING STARTED

2.1 BEFORE SWITCHING ON

Essential checks and familiarisation before initial appliance operation.

2.2 APPLIANCE CONTROLS

Identification and description of the boiler's main control panel features.

2.3 LIGHTING THE BOILER

Step-by-step guide for safely igniting the boiler for the first time.

2.4 ADJUSTING THE HEATING TEMPERATURE

How to set the desired temperature for the central heating system.

2.5 ADJUSTING THE HOT WATER TEMPERATURE

Guidance on setting the domestic hot water outlet temperature.

2.7 AUTOMATIC TEMPERATURE CONTROL

Explanation of the SARA function for automatic heating temperature adjustment.

3. HOW TO...

3.1 HOW TO TOP-UP THE SYSTEM PRESSURE

Procedure for checking and increasing system water pressure.

3.3 HOW TO RESET THE APPLIANCE

Steps to follow when the appliance requires manual resetting due to a fault.

3.6 HOW TO CARE FOR THE APPLIANCE

Instructions on cleaning and maintaining the exterior of the boiler.

4. WHAT IF...

4.1 WHAT IF I SUSPECT A GAS LEAK

Immediate actions to take if a gas leak is suspected for safety.

4.4 WHAT IF I NEED TO CALL AN ENGINEER

Guidance on when and how to contact a qualified engineer.

5. SETTING THE VOKÈRA...

5.1 SETTING THE VOKÈRA MECHANICAL CLOCK (ACCESSORY)

Instructions for setting the time and switching times on the mechanical clock.

SECTION 4 - INSTALLATION

4.1 DELIVERY

Guidance on handling and transporting the appliance.

4.2 CONTENTS

List of items included in the appliance packaging.

4.3 UNPACKING

Instructions for safely removing the appliance from its packaging.

4.4 PREPARATION FOR MOUNTING THE APPLIANCE

Steps for marking and preparing the wall for bracket and flue installation.

4.5 FITTING THE FLUE

Instructions for connecting the flue system to the appliance.

4.5.1 CONCENTRIC HORIZONTAL FLUE

Detailed steps for fitting the horizontal flue kit, including measurements and bends.

FITTING THE HORIZONTAL FLUE KIT

Specific guidance on assembling and installing the horizontal flue terminal and extension.

4.5.1.2 FITTING THE REAR FLUE (fig. 16) (rear flue outlet only)

Instructions for reconfiguring and fitting the rear flue outlet.

4.5.2 CONCENTRIC VERTICAL FLUE

Steps for installing the vertical flue system through the roof or wall.

4.6 CONNECTING THE GAS AND WATER

Procedure for connecting the gas and water service valves and pipes.

4.6.6 CONDENSE PIPE

Requirements and guidance for installing the condensate disposal pipe.

4.6.7 CONNECTING THE CONDENSATE OUTLET

Procedure for connecting the condensate outlet pipe to the disposal system.

4.7 ELECTRICAL CONNECTIONS

Instructions for connecting the appliance to the main electrical supply.

4.7.1 CASING REMOVAL (fig. 25)

Steps to remove the outer casing for internal access.

4.7.2 APPLIANCE TERMINAL BLOCK

Location and access to the appliance's terminal block for controls.

4.7.3 CONNECTING THE MAINS (230V) INPUT

Detailed procedure for connecting the 230V AC mains power supply.

SECTION 1 - DESIGN PRINCIPLES AND OPERATING SEQUENCE

1.1 PRINCIPLE COMPONENTS

List of main integrated electronic and mechanical parts of the boiler.

1.2 MODE OF OPERATION (at rest)

Description of the boiler's functions when no heating or hot water is requested.

1.3 MODE OF OPERATION (Heating)

Explanation of the boiler's sequence and operation during heating demand.

1.4 MODE OF OPERATION (Hot water)

Explanation of the boiler's sequence and operation when hot water is requested.

1.5 SAFETY DEVICES

Overview of the built-in safety features ensuring safe appliance operation.

SECTION 2 - TECHNICAL DATA

2.1 Central Heating

Technical specifications for the central heating mode of operation.

2.2 Domestic Hot Water

Technical specifications for domestic hot water production.

2.3 Gas Pressures

Inlet and operating gas pressures for different models.

2.4 Fan speed

Fan speeds for ignition, CH, and DHW modes.

2.6 Dimensions

Key physical dimensions of the Vokèra Compact A boiler.

2.7 Clearances

Required minimum clearances for installation around the boiler.

2.9 Electrical

Electrical power consumption, voltage, and fuse ratings.

2.10 Flue Details (concentric 60-100)

Specifications for concentric flue lengths and types.

2.11 Efficiency

SEDBUK efficiency ratings for the appliance.

2.12 Emissions

Combustion emission data like CO2, CO, and NOx.

SECTION 3 - GENERAL REQUIREMENTS (UK)

3.1 RELATED DOCUMENTS

List of relevant standards and codes of practice for boiler installation.

3.2 LOCATION OF APPLIANCE

Guidelines for choosing a safe and suitable location for the boiler.

3.3 GAS SUPPLY

Requirements for ensuring adequate and safe gas supply installation.

3.4 FLUE SYSTEM

Considerations for the safe and effective installation of the flue system.

3.6 WATER CIRCULATION

Recommendations for pipework, by-pass, drain cocks, and air release.

3.7 ELECTRICAL SUPPLY

Specifications for electrical connection, fusing, and isolation.

3.10 WATER TREATMENT

Recommendations for water treatment in central heating systems.

SECTION 3A - GENERAL REQUIREMENTS (EIRE)

3A.1 RELATED DOCUMENTS

List of relevant Irish standards and regulations for boiler installation.

3A.2 LOCATION OF APPLIANCE

Guidelines for choosing a safe and suitable location for the boiler in Ireland.

3A.3 GAS SUPPLY

Requirements for ensuring adequate and safe gas supply installation in Ireland.

3A.4 FLUE SYSTEM

Considerations for the safe and effective installation of the flue system in Ireland.

3A.5 AIR SUPPLY

Notes on air supply requirements for the appliance.

3A.6 WATER CIRCULATION

Recommendations for pipework, by-pass, drain cocks, and air release in Ireland.

3A.7 ELECTRICAL SUPPLY

Specifications for electrical connection, fusing, and isolation in Ireland.

3A.10 WATER TREATMENT

Recommendations for water treatment in central heating systems in Ireland.

3A.11 SHOWERS

Considerations for using the boiler with showers.

3A.12 DECLARATION OF CONFORMITY

Requirement for declaration of conformity upon installation completion.

SECTION 1 - DESIGN PRINCIPLES AND OPERATING SEQUENCE

1.1 PRINCIPLE COMPONENTS

List of main integrated electronic and mechanical parts of the boiler.

1.2 MODE OF OPERATION (at rest)

Description of the boiler's functions when no heating or hot water is requested.

1.3 MODE OF OPERATION (Heating)

Explanation of the boiler's sequence and operation during heating demand.

1.4 MODE OF OPERATION (Hot water)

Explanation of the boiler's sequence and operation when hot water is requested.

1.5 SAFETY DEVICES

Overview of the built-in safety features ensuring safe appliance operation.

SECTION 2 - TECHNICAL DATA

2.1 Central Heating

Technical specifications for the central heating mode of operation.

2.2 Domestic Hot Water

Technical specifications for domestic hot water production.

2.3 Gas Pressures

Inlet and operating gas pressures for different models.

2.4 Fan speed

Fan speeds for ignition, CH, and DHW modes.

2.6 Dimensions

Key physical dimensions of the Vokèra Compact A boiler.

2.7 Clearances

Required minimum clearances for installation around the boiler.

2.9 Electrical

Electrical power consumption, voltage, and fuse ratings.

2.10 Flue Details (concentric 60-100)

Specifications for concentric flue lengths and types.

2.11 Efficiency

SEDBUK efficiency ratings for the appliance.

2.12 Emissions

Combustion emission data like CO2, CO, and NOx.

SECTION 5 - COMMISSIONING

5.1 GAS SUPPLY INSTALLATION

Checks and procedures for the gas supply installation before commissioning.

5.2 THE HEATING SYSTEM

Importance of flushing the heating system to remove installation debris.

5.3 INITIAL FILLING OF THE SYSTEM

Steps for filling the system with water, venting, and checking for leaks.

5.4 INITIAL FLUSHING OF THE SYSTEM

Procedure for flushing the heating system both cold and hot.

5.5 PRE-OPERATION CHECKS

Mandatory checks to perform before attempting to light the appliance.

5.6 INITIAL LIGHTING

Procedure for the initial ignition and startup of the boiler.

5.7 CHECKING GAS PRESSURE AND COMBUSTION ANALYSIS

Ensuring correct gas pressure and combustion ratios as per regulations.

SECTION 6 - SERVICING INSTRUCTIONS

6.1 GENERAL

Importance of Benchmark service record and using genuine Vokèra spare parts.

6.2 ROUTINE ANNUAL SERVICING

Checklist of tasks for annual servicing to ensure safe and efficient operation.

6.3 REPLACEMENT OF COMPONENTS

Guidance on replacing components and factors affecting component life.

6.4 COMPONENT REMOVAL PROCEDURE

General steps for safe removal of internal components.

6.5 PUMP ASSEMBLY

Procedure for removing and replacing the boiler's pump assembly.

6.6 SAFETY VALVE

Procedure for removing and replacing the safety valve.

6.7 DHW THERMISTOR

Procedure for removing and replacing the domestic hot water thermistor.

SECTION 7 - CHECKS, ADJUSTMENTS AND FAULT FINDING

7.1 CHECKING APPLIANCE OPERATION

Ensuring continued safe operation after repairs or servicing.

7.2 APPLIANCE MODES OF OPERATION

Detailed explanation of the boiler's different operating modes.

7.3 CHECKING THE CO2 AND ADJUSTING THE GAS VALVE

Procedure for checking and adjusting combustion parameters.

7.3.1 CO2 FUNCTION SETTINGS

How to use the CO button to select combustion analysis modes.

7.3.2 GAS VALVE MAXIMUM SETTING

Procedure for adjusting the gas valve for maximum output CO2 levels.

7.3.3 GAS VALVE MINIMUM SETTING

Procedure for adjusting the gas valve for minimum output CO2 levels.

7.4 COMBUSTION ANALYSIS TEST

Step-by-step guide for performing a combustion analysis test.

7.5 CHECKING THE EXPANSION VESSEL

Procedure for checking the charge pressure of the expansion vessel.

7.7 ELECTRICAL CHECKS

Guidelines for performing electrical safety tests on the appliance.

7.7.3 POLARITY CHECK

Testing the electrical supply for correct polarity and voltage.

7.8 FAULT FINDING

Methodology for diagnosing and identifying faults within the appliance.

7.9 COMPONENT VALUES & CHARACTERISTICS

Table of key component specifications and operating values.

7.10 ADJUSTMENTS

Procedures for adjusting boiler outputs and settings by qualified personnel.

7.10.1 CHECKING THE FAN SPEED

How to check and verify the fan speed settings.

7.10.2 THERMOREGULATION

Procedure for adjusting the heating temperature regulation curve.

SECTION 8 - WIRING DIAGRAMS

8.1 EXTERNAL WIRING

Guidelines for connecting external controls and wiring to the appliance.

8.2 TYPICAL CONTROL APPLICATIONS

Examples of common control system applications for the boiler.

8.4 VOKÈRA LOWER COVER MECHANICAL CLOCK (fig. 4)

Instructions for installing the optional Vokèra mechanical clock.

SECTION 9 - LPG INSTRUCTIONS

9.1 RELATED DOCUMENTS

List of documents related to LPG installation and requirements.

9.2 TECHNICAL DATA

Specific technical data for LPG conversion, including pressures and injectors.

9.3 CONVERTING THE APPLIANCE GAS TYPE

Procedure for converting the boiler from natural gas to LPG.

9.6 CHECKING THE CO₂ AND ADJUSTING THE GAS VALVE

Steps for checking CO2 and adjusting the gas valve for LPG operation.

COMMISSIONING: CO AND COMBUSTION RATIO CHECK

BEFORE CO AND COMBUSTION RATIO CHECK

Initial checks and requirements before performing combustion analysis.

SET BOILER TO MAXIMUM RATE

Procedure to set the boiler to its maximum output for testing.

Benchmark Commissioning and Servicing Section

GAS BOILER SYSTEM COMMISSIONING CHECKLIST

SERVICE RECORD

Vokèra Warranty Terms and Conditions

1. Installation and Commissioning Requirements

Boiler must be installed and commissioned by a Gas Safe registered installer.

2. Exclusions from Guarantee

Conditions and damages not covered by the manufacturer's warranty.

6. Annual Servicing Requirement

Boiler must be serviced annually by a Gas Safe Registered Engineer to maintain warranty.

Your Personal Details

Information on how Vokèra handles and protects customer personal data.

Contact Us:- Customer Care Centre

Contact details for Vokèra's customer support and service departments.

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