Wacker Neuson HI400HD D

Operator’s Manual
Indirect-Fired Air Heaters
HI400HD D
HI400HD G
Type
Document
Date
Revision
Language
HI400HD D, HI400HD G
5000192824
0419
12
EN
5000192824

Wacker Neuson HI400HD D Specifications

General

Brand	Wacker Neuson
Model	HI400HD D
Category	Heater
Language	English

Summary

Foreword

Expectations for information in this manual

Details on manual content, technical modifications, and regional variations.

Manufacturers approval

Defines approved parts/attachments and consequences of unapproved ones.

Safety Information

Signal Words Used in this Manual

Explains DANGER, WARNING, CAUTION, NOTICE, and NOTE signal words.

Machine Description and Intended Use

Describes the heater's components and its intended applications.

Operating Safety

Guidelines for safe operation, including training, area awareness, and PPE.

Safety Guidelines for Gas-Fired Machines

Specific safety precautions for machines using gas fuel.

Safety Guidelines for Operating Combustion Burners

Safety rules for operating combustion burners, including fuel handling.

Service Safety

Safety precautions for maintenance, repairs, and cleaning.

Labels

Label Locations-HI400 HD D

Diagram showing the placement of labels on the HI400 HD D model.

Label Locations-HI400 HD G

Diagram showing the placement of labels on the HI400 HD G model.

Label Meanings

Explains the symbols and text found on machine labels.

Lifting and Transporting

Requirements

Specifies vehicle and crane capacity for lifting and transporting.

Guidelines

Procedures for safe lifting, tie-down, and transport of the machine.

Operation

Preparing the Machine for First Use

Steps to take before initial operation, including checks and fluid additions.

Installing the Axle and Wheels

Procedure for attaching the axle and wheels to the machine.

Installing the Front Duct Adapter

Steps for attaching the front duct adapter and thermostat probe.

Blower Duct Heater Option

Instructions for installing the optional duct for preheating air.

Installing the Rear Duct Adapter (Optional)

Procedure for installing the optional rear duct adapter.

Control and Component Locations

Identifies key components and controls on the machine.

Adjusting the Handle Height

How to adjust the height of the transport handle for operator comfort.

Positioning the Machine

Guidelines for safe placement and proximity clearances for operation.

Electrical and Grounding

Instructions for safe power connection and proper grounding.

Control Panel-Oil Burner (D Models)

Details of the control panel for oil burner (D) models.

Recommended Fuels and Fuel Blending Guide

Guidance on selecting and blending fuels based on temperature.

Inspecting the Fuel Hose

Procedure for checking the fuel hose for damage or wear.

Control Panel-Gas Burner (G Models)

Details of the control panel for gas burner (G) models.

Gas Installation and Setup (G models)

Requirements for natural gas and propane installation.

Connecting the Gas Line (G models)

Steps for connecting the gas supply line to the heater.

Setting the Gas Selector Valve (G models)

Procedure to convert the machine between natural gas and LP.

Venting the Machine

Guidelines for safe exhaust venting of the machine.

Flex Ducting Options

Chart of allowable supply and return duct lengths for various models.

Ducting Guidelines

Best practices for using supply and return air ducting.

Installing the Remote Thermostat or Receptacle Cap

How to install and use an optional remote thermostat.

Connecting Power to the Machine

Steps for safely connecting the machine to a power source.

Before Starting

Checklist of items to verify before starting the machine.

Cold Weather Start-Up

Procedures for starting the machine in low temperatures.

Starting the Machine (D models)

Step-by-step guide to starting the diesel (D) models.

Starting the Machine (G models)

Step-by-step guide to starting the gas (G) models.

High and Low Voltage Protection (G Models)

How the machine handles voltage fluctuations.

Stopping

Procedure for safely shutting down the machine.

Installing and Using the Remote Thermostat

Detailed instructions for installing and using the remote thermostat.

Operating at High Elevations (D models)

Adjustments and maintenance for operating at high altitudes.

Accessories

Available Accessories

Lists and describes optional accessories for the heater.

Setting up the Burner

Removing the Access Cover

Steps to remove the cover for maintenance access.

Removing and Installing the Burner

Procedure for removing and reinstalling the burner assembly.

Setting up the Burner

Details factory settings and procedures for burner adjustment.

Adjusting the Gas Pressure (G Models)

Steps for checking and adjusting gas pressure on G models.

Inspecting the Oil Burner Electrodes (D models)

Procedure for inspecting the oil burner electrodes.

Checking and Changing the Burner Nozzle (D models)

Steps for inspecting and replacing the burner nozzle.

Checking and Adjusting the Air Damper

How to check and adjust the air damper for optimal performance.

Checking and Adjusting the Fuel Pressure

Procedure for checking and adjusting fuel pressure for D models.

Maintenance

Periodic Maintenance Schedule

A schedule outlining regular maintenance tasks and intervals.

Inspecting the Heat Exchanger

Procedure for inspecting the heat exchanger for damage or defects.

Changing the Fuel Heater Filter (D models)

Steps for replacing the fuel heater filter on D models.

Inspecting and Cleaning the Cadmium (CAD) Cell

Procedure for inspecting and cleaning the CAD cell.

Cleaning the Fan Blades and Motor

Instructions for cleaning the fan blades and motor.

Cleaning the Interior Shell

Steps for cleaning the interior shell of the machine.

Inspecting the Flame Head

Procedure for inspecting the flame head for wear or damage.

Inspecting the Electrical Connections

Checks for proper electrical connections, corrosion, and grounding.

Cleaning the Machine

General cleaning procedures for the machine's exterior and components.

Basic Troubleshooting

Basic Troubleshooting

A guide to diagnosing and resolving common machine problems.

Technical Data

Machine

Technical specifications and performance data for the machine models.

Schematics

HI400 HD D

Electrical schematic diagram for the HI400HD D model.

Components

List of electrical components and wire color codes for HI400HD D.

HI400 HD G (2014)

Electrical schematic diagram for the HI400HD G (2014) model.

Components (2014)

List of electrical components for HI400HD G (2014).

HI400 HD G (2015)

Electrical schematic diagram for the HI400HD G (2015) model.

Components (2015)

List of electrical components for HI400HD G (2015).