Related Manuals for VOKERA Mynute 30HE
Summarization of Contents
Introduction to the Vokera Mynute HE
General Layout Diagram
Illustrates the key components and connections of the Mynute HE boiler.
Boiler Control Panel Overview
Boiler Controls and Indicators Explained
Details the function of the hydrometer, LEDs, and selectors for boiler operation.
Section 1: Design Principles and Operating Sequence
Principle Components of the Mynute HE
Lists the main electronic and mechanical components of the boiler.
Boiler Modes of Operation
Describes the boiler's behaviour when idle or active, including frost protection.
Safety Devices Integrated in the Boiler
Details the safety mechanisms incorporated into the boiler for safe operation.
Section 2: Technical Data
Central Heating and Gas Specifications
Provides data on heat output, pressures, and gas supply requirements.
Dimensions, Clearances, and Connections
Specifies boiler dimensions, required clearances, and connection sizes.
Electrical Supply and Flue System Details
Outlines electrical power needs and flue system specifications.
Section 2 (Continued): Pump Performance and Flue Guidelines
Pump Duty Curves for Mynute Models
Graphical representation of pump performance based on flow rate and head.
Flue Terminal Location and Clearances
Specifies minimum distances for flue terminal placement to ensure safety.
Section 3: General Requirements for UK Installations
Relevant UK Standards and Regulations
Lists relevant British Standards and regulations for boiler installation.
Appliance Location and Gas Supply Requirements
Guidelines for selecting a safe location and requirements for gas supply.
Flue System Installation Requirements
Details requirements for flue terminal location and installation.
Section 3 (Continued): UK Installation Details
Air Supply and Water Circulation Recommendations
Information on air supply needs and recommendations for water circulation pipework.
By-Pass, Drain Cocks, Filling, and Electrical
Details by-pass, drain cocks, filling, and electrical supply requirements.
Mounting on Combustible Surfaces and Timber Frames
Guidance for mounting on combustible surfaces and in timber-framed buildings.
Section 3A: General Requirements for EIRE Installations
Relevant Irish Standards and Appliance Location
Lists relevant Irish Standards and guidelines for appliance location.
EIRE Gas Supply and Flue System Requirements
Details gas supply connection and flue system requirements for EIRE.
EIRE Air Supply and Water Circulation
Information on air supply and water circulation recommendations for EIRE.
Section 3A (Continued): EIRE Installation Details
System Filling, Electrical Supply, and Mounting
Procedures for filling the system, electrical supply, and mounting.
Timber Frames, Inhibitors, and Declaration of Conformity
Guidance for timber frames, inhibitors, and declaration of conformity.
Section 4: Installation Procedures
Delivery, Unpacking, and Mounting Preparation
Instructions for receiving, unpacking, and preparing the mounting surface.
Fitting the Concentric Horizontal Flue
Details on installing the horizontal flue system components.
Section 4 (Continued): Flue System Installation
Extending the Flue System
Instructions for adding extensions and bends to the flue system.
Fitting the Concentric Vertical Flue
Guidance for installing a vertical flue system, including terminal.
Section 4 (Continued): Flue System Termination
Vertical Flue Terminal and Accessories Installation
Details on fitting vertical flue terminals, flashing plates, and extensions.
Guidance Notes for Twin Flue System Installation
Notes and guidance for installing the twin flue system.
Section 4 (Continued): Twin Flue Termination and Boiler Mounting
Horizontal and Vertical Twin Flue Termination
Procedures for terminating twin flue systems horizontally and vertically.
Mounting the Boiler Onto the Wall Bracket
Instructions for securely mounting the boiler onto the wall bracket.
Section 4 (Continued): Connecting Gas and Water Services
Gas Supply Connection Procedure
Details on connecting the 15mm gas supply pipe to the appliance.
Flow and Return Water Connections
Instructions for connecting the 22mm flow and return water pipes.
Safety Valve and Condensate Pipe Connections
Procedures for connecting the safety valve discharge pipe and condensate drain.
Section 4 (Continued): Electrical Connections
Boiler Casing Removal for Access
Step-by-step guide to safely remove the boiler casing.
Connecting the Mains (230V) Electrical Input
Detailed instructions for connecting the main electrical supply to the boiler.
Section 5: Commissioning Procedures
Gas Supply Installation and System Flushing
Steps for gas supply checks, purging, and flushing the heating system.
Initial System Filling and Air Release
Process for filling the system with water and releasing trapped air.
Pre-Operation Checks Before Initial Lighting
Checklist of essential checks before the initial boiler ignition.
Initial Lighting and Gas Pressure Checks
Procedures for igniting the boiler and checking gas pressure/combustion.
Section 5 (Continued): Final Commissioning Steps
Final System Flushing and Inhibitor Use
Instructions for final system flushing and the use of inhibitors.
Setting Boiler Temperature and System Pressure
Guidance on adjusting boiler temperature and setting system design pressure.
Regulating Heating and Performing Final Checks
Steps for regulating the central heating system and performing final checks.
Instructing the User and Warranty Registration
How to explain boiler operation, safety, and warranty registration.
Section 6: Servicing Instructions
General Recommendations for Boiler Servicing
Guidelines for safe and efficient annual servicing of the boiler.
Routine Annual Servicing Checklist
Specific checks and adjustments to be performed during annual servicing.
Component Removal Procedures
General steps for safely removing and replacing boiler components.
Air Box Front Cover Removal Procedure
Instructions for accessing internal components by removing the air box cover.
Section 6 (Continued): Servicing Specific Components
Automatic Air Release Valve Removal
Procedures for removing and replacing automatic air release valves.
Water Pressure Switch and Thermistor Replacement
Steps for removing and replacing the water pressure switch and thermistors.
Printed Circuit Board (PCB) Replacement
Detailed procedure for replacing the main control board.
Gas Valve Replacement Procedure
Instructions for replacing the gas valve, including critical checks.
Section 6 (Continued): Servicing Major Internal Components
Injector and Electrode/Condense Sensor Replacement
Procedures for removing and replacing the injector and electrodes/sensor.
Flue Fan and Mixer Assembly Replacement
Steps for removing and replacing the flue fan and mixer assembly.
Burner and Main Heat Exchanger Removal
Procedures for removing and replacing the burner and main heat exchanger.
Section 6 (Continued): Heat Exchanger and By-Pass Servicing
Main Heat Exchanger Removal Procedure
Detailed steps for removing the main heat exchanger.
Expansion Vessel Removal Procedure
Procedures for removing the internal expansion vessel.
Condense Trap Removal Procedure
Steps for removing and replacing the condense trap.
Automatic By-Pass Component Removal
Procedure for removing the automatic by-pass cartridge.
Section 7: Checks, Adjustments, and Fault Finding
Checking Appliance Operation and Modes
General checks and explanation of appliance operating modes.
On-Board Functions Explained
Details functions like Thermoregulation, AutoStop, Frost-Protection, and Anti-Cycle.
Section 7 (Continued): Heating Mode and Fan Speed Adjustments
Heating Mode Operation Details
Describes boiler operation in heating mode, including modulation.
Appliance Fan Speed Checks and Adjustments
Instructions for checking and adjusting fan speeds for different operating modes.
Section 7 (Continued): Gas Valve Adjustment and Combustion Analysis
Checking CO2 and Adjusting the Gas Valve
Steps for checking CO2 levels and adjusting the gas valve for optimal combustion.
Combustion Analysis Test Procedure
How to perform a combustion analysis test using a flue gas analyser.
Checking the Expansion Vessel Pressure
Procedure for checking and adjusting the expansion vessel charge pressure.
Section 7 (Continued): Electrical Checks and Fault Finding Prep
Essential Electrical Safety Checks
Essential electrical tests for safety, including short circuit and polarity.
Fault Finding Initial Steps
Steps to prepare for fault finding, including isolating controls.
Component Values and Boiler Configuration
Lists component specifications and jumper settings for boiler configuration.
Section 7 (Continued): Fault Codes and Diagnostics
Understanding Boiler Fault Codes
Lists common fault codes, their causes, types, and recommended actions.
Section 8: Wiring Diagrams and Control Applications
External Wiring Limitations and Connections
Specifies external wiring limitations and typical control connections.
Typical Control Application Wiring Diagrams
Shows wiring diagrams for common control systems like time clocks and thermostats.
Vokera Twin-Channel Programmer Kit Details
Details the Vokera programmer kit and its components.
Section 8 (Continued): Programmer Installation and Wiring
Connecting the Programmer 24V Harness
Instructions for connecting the programmer's 24V wiring harness to the PCB.
Connecting the Programmer 230V Wiring Harness
Instructions for connecting the programmer's 230V wiring harness and terminal strips.
Important Programmer Wiring Notes
Critical notes regarding power supply and connecting controls to the appliance.
Section 8 (Continued): Functional Diagram of Boiler Controls
Key to Functional Diagram Symbols and Terms
Explains the symbols and abbreviations used in the functional diagram.
Section 8 (Continued): Wiring Diagrams for Control System Integration
"S" Plan Wiring with Vokera Twin Programmer
Illustrates the wiring for an "S" Plan heating system using the Vokera programmer.
"Y" Plan Wiring with Vokera Twin Programmer
Illustrates the wiring for a "Y" Plan heating system using the Vokera programmer.
Section 9: Exploded Diagrams - Table 1 Parts Identification
Mynute 12-15-20 HE Exploded View and Parts List
Diagram and list of parts for the Mynute 12-15-20 HE model.
Mynute 25 HE Exploded View and Parts List
Diagram and list of parts for the Mynute 25 HE model.
Mynute 30-35 HE Exploded View and Parts List
Diagram and list of parts for the Mynute 30-35 HE model.
Section 9 (Continued): Exploded Diagrams - Table 2 Component Breakdown
Mynute 12-15-20 HE Component Breakdown
Lists and illustrates components for the Mynute 12-15-20 HE.
Mynute 25 HE Component Breakdown
Lists and illustrates components for the Mynute 25 HE.
Mynute 30-35 HE Component Breakdown
Lists and illustrates components for the Mynute 30-35 HE.
Section 9 (Continued): Exploded Diagrams - Table 3 Internal Components
Mynute 12-15-20 HE Internal Components List
Detailed breakdown of internal components for Mynute 12-15-20 HE.
Mynute 25 HE Internal Components List
Detailed breakdown of internal components for Mynute 25 HE.
Mynute 30-35 HE Internal Components List
Detailed breakdown of internal components for Mynute 30-35 HE.
Section 9 (Continued): Exploded Diagrams - Table 4 External Parts
Mynute 12-15-20 HE External Parts Identification
Identifies external parts and their corresponding part numbers for Mynute 12-15-20 HE.
Mynute 25 HE External Parts Identification
Identifies external parts and their corresponding part numbers for Mynute 25 HE.
Mynute 30-35 HE External Parts Identification
Identifies external parts and their corresponding part numbers for Mynute 30-35 HE.
Section 9 (Continued): Exploded Diagrams - Table 5 Heat Exchanger Assembly
Mynute 12-15-20 HE Heat Exchanger Assembly
Details the heat exchanger assembly and associated parts for Mynute 12-15-20 HE.
Mynute 25 HE Heat Exchanger Assembly
Details the heat exchanger assembly and associated parts for Mynute 25 HE.
Mynute 30-35 HE Heat Exchanger Assembly
Details the heat exchanger assembly and associated parts for Mynute 30-35 HE.
Section 10: LPG Instructions
Related Documents for LPG Installations
Lists relevant standards and documents for LPG installations.
Technical Data for LPG Operation
Provides technical specifications for LPG operation, including pressures and emissions.
Converting the Appliance to LPG Fuel Type
Steps for changing the appliance to use LPG, including injector and gas valve adjustments.
Section 10 (Continued): LPG Gas Valve and Fan Speed Adjustments
LPG Gas Valve Setting and CO2 Checks
Detailed procedure for adjusting the gas valve for LPG, including CO2 checks.
LPG Appliance Fan Speed Setting Procedures
Instructions for checking and adjusting fan speeds for LPG operation.
Gas Boiler Commissioning Checklist
Control Compliance and System Flushing Checks
Checklist for controls compliance, system flushing, and cleaner/inhibitor use.
Recording Central Heating and Hot Water Data
Fields for recording operational data for central heating and hot water modes.
Condensate Drain and General Installation Confirmations
Checks for condensate drain and overall compliance with regulations.
Service Interval Record Keeping
Instructions for Service Providers
Guidelines for service providers completing the record.
Service Record Entry Template
Template for recording details of each service performed on the boiler.
Vokera Manufacturer Information
Vokera UK and Ireland Contact Details
Provides contact information for Vokera UK and Ireland offices.
Product Specification Disclaimer
States Vokera's right to change specifications without notice.
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