Fanmaster IDH2-20 - User Manual

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FA NM A ST E R

cooling heating ventilation extraction

INSTRUCTION MANUAL

MODEL: IDH2-20, IDH2-30, IDH2-50

INDUSTRIAL DIESEL FAN HEATER (DIRECT-FIRED)

TO PREVENT SERIOUS INJURY, READ & UNDERSTAND ALL WARNINGS &

INSTRUCTIONS BEFORE USE. PLEASE KEEP THIS DOCUMENT FOR YOUR RECORDS

FOR INDUSTRIAL USE ONLY

ADEQUATE VENTILATION REQUIRED

Main Page

Questions and Answers

R
Randy SheltonJul 31, 2025
What to do if Fanmaster IDH2-20 motor does not start and E1 is displayed?
- M
  Matthew AlexanderJul 31, 2025
  If the Fanmaster Heater displays 'E1' and the motor won't start, first, check the power supply and voltage to ensure they are adequate. Then, inspect the fuse and replace it if needed. Examine the power cord for any faults or damage, replacing it if necessary. Also, the motor or capacitor might be faulty, so check them and replace if needed. Finally, if the heater previously overheated, it may be in lock-out mode. To resolve this, identify the cause of the overheating, shut down the heater, check the air inlet and outlet, wait 5 minutes, and then restart the heater.

Summary

For Your Information

Disclaimer

Fanmaster reserves the right to alter specifications and makes no warranty on accuracy or completeness.

Disposal Guidelines

Proper disposal of the product according to waste electrical and electronic equipment laws.

General Safety Rules & Warnings

General Safety Precautions

Essential safety rules for operating the heater, including reading instructions and avoiding hazards.

Product Description & Specifications

Product Description

Overview of the industrial diesel or kerosene direct fired portable space/fan heater.

Specifications

Detailed technical specifications for IDH2-20, IDH2-30, and IDH2-50 models.

Assembling Instructions

IDH2-20 Assembly

Instructions for installing the plastic handle on the IDH2-20 model.

IDH2-30 & IDH2-50 Assembly

Steps for assembling the wheels and feet pipe assembly for IDH2-30 and IDH2-50 models.

Operating Instructions

Heater Positioning and Clearances

Guidelines on where to place the heater and required safety clearances from surrounding objects.

Ventilation Requirements

Specifies minimum ventilation openings needed for indoor use based on heater model.

Operating Instructions - Start-Up

Start-Up Procedures

Steps for starting the heater, including specific instructions for different models.

Cold Start-Up & Abnormal Operation

How to start in cold weather and what to do in case of malfunction or lock-out mode.

Operating Instructions - Shutdown

Manual Reset and Restart

Procedure to reset the heater after a lock-out mode or malfunction.

Shutdown Procedure

Correct steps for shutting down the heater, including allowing cooling sequence.

Cleaning, Maintenance & Storage

General Cleaning and Maintenance

Guidelines for cleaning the heater enclosure and keeping air inlets/outlets clear.

Nozzle and Air Filter Maintenance

Procedures for cleaning or replacing the nozzle and air filters for optimal performance.

Cleaning, Maintenance & Storage - Adjustments

Air Pump Pressure Adjustment

How to check and adjust air pump pressure, emphasizing qualified technician use.

Ignition Electrode Maintenance

Instructions for cleaning, adjusting, or replacing ignition electrodes.

Wiring Diagrams

Wiring Diagram IDH2-20 & IDH2-30

Electrical schematic for the IDH2-20 and IDH2-30 heater models.

Wiring Diagram IDH2-50

Electrical schematic for the IDH2-50 heater model.

Parts Breakdown IDH2-20

IDH2-20 Component List

Detailed list and illustration of parts for the IDH2-20 model.

Parts Breakdown IDH2-30

IDH2-30 Component List

Detailed list and illustration of parts for the IDH2-30 model.

Parts Breakdown IDH2-50

IDH2-50 Component List

Detailed list and illustration of parts for the IDH2-50 model.

Troubleshooting Common Issues

Heater Not Starting or Displaying Errors

Solutions for problems like no power, motor failure, or error codes E1/E2.

Ignition and Operation Problems

Troubleshooting steps for ignition failure, bad combustion, reduced airflow, or overheating.

Troubleshooting - Fuel & Components

Fuel Exhausted & Thermostat Issues

Steps to resolve fuel exhaustion and diagnose thermostat problems.

Photocell Assembly Issues

How to check and test the photocell assembly for proper function.

Troubleshooting - Motor, Lines, Filters

Motor and Air Line Problems

Diagnosing motor issues and checking air lines for leaks or damage.

Fuel Filter Blockages

Procedures for cleaning or replacing blocked fuel filters.

Troubleshooting - Pump, Nozzle, Probe

Air Pump & Fuel Nozzle Issues

How to test air pump pressure and clean/replace fuel nozzles.

Probe Damage (E2)

Identifying and resolving probe damage indicated by error E2.

Warranty Information

Making a Warranty Claim

Procedure and contact information for submitting a warranty claim.

Warranty Exclusions

List of conditions and damages not covered by the product warranty.

Fanmaster IDH2-20 Specifications

General

Power	2000W
Frequency	50 Hz
Heating Area	20m²
Thermostat	Yes
Fan Speed Settings	2
Power Source	Corded Electric
Safety Features	Overheat Protection
Voltage	220-240V

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