Nibe VEDEX 4000 User Manual

21-01-2019
30-09-2019
27963
INSTALLATION AND MAINTANCE MANUAL
Wood gasifying boiler
VEDEX 4000

Nibe VEDEX 4000 Specifications

General

Brand	Nibe
Model	VEDEX 4000
Category	Boiler
Language	English

Summary

General Information

Product Description

Details the VEDEX 4000 as a high-quality wood boiler for houses with water borne heating.

Installation Guide

System Diagram

Illustrates the boiler's connections and components within the heating system.

Area of Use

Specifies the intended use of the VEDEX 4000 for heating houses and small buildings.

Hot Water Heating Setup

Explains how the boiler provides hot water using an accumulator tank or external heater.

Heating System Operation

Details the process of hot water circulation to accumulators and radiators.

Boiler Controller - IGNEO TOUCH

Control Panel Overview

Explains the functions of the display elements and buttons on the IGNEO TOUCH controller.

Controller Indicator Lights

Describes the meaning of the LED indicators on the control panel.

Burner Status Definitions

Defines the operational statuses of the burner: Turned Off, Modulation, and Stop.

Controller Menu Functions

Details available functions within the controller's MENU, including settings and service functions.

Service Functions (PIN Required)

Lists service functions that require an authorization code for access and modification.

Controller Configuration Options

Lists configuration parameters for heating circuits, sensors, hot water, and buffer tanks.

Controller Output Testing

Describes functions for testing various outputs like pumps, blower, and valves.

Boiler Menu and Settings

Explains how to access and adjust boiler operating parameters via the main menu.

Burner Menu and Settings

Details accessing and modifying burner settings, including exhaust temperature.

Alarm History Menu

Describes how to view and acknowledge detected alarms from the controller.

Maintenance and Service Levels

Accessing Service Menu

Provides instructions on entering PIN codes to access protected maintenance and service functions.

Maintenance Level 1 PIN

Specifies the PIN code '0900' for accessing Maintenance Level 1 functions.

Setting Boiler Temperature

Explains how to set the desired boiler operating temperature.

Hysteresis Settings

Describes hysteresis settings for fan speed increase and decrease.

Minimum Pump Temperature

Specifies the minimum temperature for activating the boiler's circulating pump.

Burner Operating Parameters

Burner Operating Parameters

Details how to access and set burner operating parameters like air correction and blower power.

Air Correction Adjustment

Allows adjustment of air volume supplied to the combustion process.

Blower Power Modulation

Sets the blower power percentage during modulation mode.

Blower Firing Up Power

Sets the blower power percentage during ignition mode.

Minimum Exhaust Gas Temperature

Defines the minimum flue gas temperature required for the boiler.

Alarm System and History

Alarm Indicator on Home Screen

Describes how an alarm icon appears on the home screen when alarms are active.

Accessing Alarm History

Provides steps to navigate to and view the alarm history on the controller.

Alarm Code Reference

Alarm Codes and Descriptions

Lists alarm codes, their brief descriptions, and possible causes for system faults.

Main Alarm Causes

Details common alarms and their likely causes, such as sensor failures or communication issues.

Wood Firing Operations

Initial Lighting Instructions

Detailed steps for the initial firing of the boiler to prevent ceramic cracking.

Fueling the Combustion Chamber

Instructions for placing fuel in the loading chamber according to recommendations.

Initiating Firing Process

Details how to start the firing process through the BURNER submenu.

Settings and Maintenance

Boiler Maintenance Schedule

Explains how often the boiler should be swept based on regulations and fuel type.

Maintenance Tips and Safety

Provides safety guidelines and tips for performing maintenance and cleaning activities.

Cleaning the Loading Chamber

Step-by-step guide for cleaning the boiler's loading chamber and its components.

Cleaning the Combustion Chamber

Detailed instructions for cleaning the boiler's combustion chamber and removing ash.

Ash Handling Safety

Important safety note on handling ash due to potential glowing embers.

Cleaning the Convection Section

Instructions for cleaning the convection channels and turbulators.

General Operating Instructions

Wood Fuel Requirements

Guidelines on wood type, moisture content, and size for optimal boiler performance.

Reverse Combustion Process

Explains the reverse combustion process and fan control based on flue gas temperature.

Primary and Secondary Air Control

Explains the function and adjustment of primary and secondary air valves for combustion.

Wood Firing

Lighting Instructions

Detailed steps for the initial firing of the boiler to prevent ceramic cracking.

Adding Wood to the Boiler

Procedure for adding wood, including microswitch activation and safe door opening.

Flame Regulation and Observation

How to check and regulate the flame through the sight glass.

Sight Glass and Door Safety

Warning about touching hot sight glasses and the boiler door during operation.

General Information for the Installer

Boiler Room Requirements

Guidelines for installing the boiler in a suitable room with adequate air supply.

Wall Clearance Requirements

Minimum distances required between the boiler and surrounding walls for installation.

Chimney Requirements

Technical specifications for the flue pipe connection and chimney draught.

Carbon Monoxide Detector Installation

Mandatory requirements for fitting CO alarms in the installation room.

Turbulator and Ceramic Installation

Turbulator Installation

Explains the placement of turbulators in the boiler's convection part for heat transfer.

Flue Gas Temperature Limit

Important note on maintaining a minimum flue gas temperature below the chimney opening.

Installing Ceramic Inserts

Step-by-step guide for installing ceramic components in the furnace chamber.

Pipe Installation Guide

Pipe Connection Requirements

Guidelines for pipe installation, including norms, support bushes, and overflow pipes.

Boiler Filling Procedure

Instructions on how to fill the boiler with water, including a note on shunt valve position.

Cooling Coil Installation

Information on connecting the cooling coil, referring to manufacturer's instructions.

Environmental Approval Requirements

Requirement for installing an accumulator tank of at least 1500 litres for environmental approval.

Connection to Buffer Tanks

Two-Tank System (Open Expansion)

Diagram and explanation for connecting two tanks with thermal charge control and an open expansion tank.

Multi-Tank System (Open Expansion)

Diagram and explanation for connecting multiple tanks with thermal charge control and an open expansion tank.

Buffer Tank Charging Logic

Explains how the charge pump transfers heat to the accumulator when boiler temperature is high.

Buffer Tank System Configurations

Two-Tank System (Closed Expansion)

Diagram and explanation for connecting two tanks with thermal charge control and a closed expansion vessel.

Closed System Safety Considerations

Note on cold water supply requirements for closed expansion vessels and emergency cooling.

Overheating Prevention (Closed System)

Explains the use of a thermal valve to prevent overheating in closed expansion systems.

Electrical Connection

Boiler Wiring Diagram

Detailed wiring diagram showing connections for the touch panel, power supply, and control modules.

Key Electrical Connections

Identifies critical electrical connections such as the touch panel, power supply, and circuit breaker.

Service and Maintenance

Fan Service and Cleaning

Instructions for removing, cleaning, and reinstalling the fan for optimal performance.

Cover Plate for Sweeping

Procedure for using the cover plate to prevent soot ingress during sweeping.

Boiler (STB) Temperature Limiter

Resetting the STB Temperature Limiter

Step-by-step guide on how to locate and reset the STB temperature limiter.

STB Limiter Tripping Warning

Warning that STB limiter tripping indicates incorrect operation requiring investigation.

Troubleshooting Guide

Fan Impeller Rotation Fault

Troubleshooting steps for fan impeller rotating in the wrong direction, likely due to wiring.

Smoke Emission Fault

Diagnosing and fixing issues causing smoke to pour through the door.

Low Output and Temperature Issues

Addresses common causes for the boiler not reaching desired outputs or water temperatures.

Component Locations

Boiler Component Identification

Diagram identifying all major components located on the boiler section.

Product Dimensions

Boiler Dimensions and Connections

Provides a table with detailed dimensions of the boiler and its connection points.

Technical Data

Technical Specifications

Comprehensive table of technical data including dimensions, power, and electrical requirements.

Other Technical Information

Provides additional technical details such as exhaust gas temperatures and setting ranges.

EU Declaration of Conformity

Product Identification

Identifies the product (VEDEX 4000) and manufacturer (NIBE-BIAWAR).

Applicable EU Harmonization Legislation

Lists the EU directives and regulations the product complies with.

Pressure Equipment Directive Note

Note regarding the product's coverage by the Pressure Equipment Directive (PED).

Applied Standards and Specifications

Lists the specific EN standards and technical specifications applied to the product.

Electromagnetic Compatibility Standards

Details EMC standards related to household appliances and electrical tools.

Declaration of Conformity Issuance

Statement that the declaration of conformity is issued under the manufacturer's sole responsibility.