Master MH-190T-KFA User Manual (English)

Other manuals for Master MH-190T-KFA

User's Manual & Operating Instructions42 pages

Questions and Answers:

A
alison52Aug 18, 2025
Why won't my Master MH-190T-KFA Heater turn on, and the lamp isn't lit?
- J
  jcummingsAug 19, 2025
  If your Master Heater doesn't turn on and the lamp remains unlit, first ensure the temperature limit sensor hasn't overheated by switching the power off, allowing it to cool for 10 minutes, and then restarting. Check the power cords for a secure connection and test the power supply. Also, inspect and replace the fuse if it's blown. Finally, examine the electrical connections between the temperature limit sensor and the circuit board.
Z
zachary62Aug 21, 2025
What to do if Master Heater does not turn on?
- C
  Colleen GrantAug 21, 2025
  If your Master Heater doesn't turn on and the lamp is not lit, here are a few things to check: * Overheated sensor: Push the power switch to 'OFF' and allow the heater to cool for 10 minutes before restarting. * Power supply: Check the power cords for a proper connection and test the power supply. * Fuse: Check and replace the fuse if necessary.
S
Sharon PatelAug 23, 2025
What to do if my Master MH-190T-KFA has poor combustion and/or excess soot production?
- K
  Kelly FordAug 23, 2025
  If your Master Heater is producing excessive soot or has poor combustion, several factors could be responsible. Start by cleaning or replacing the air, lint, and fuel filters. If the problem persists, the fuel quality may be poor, requiring you to flush the fuel tank and refuel with fresh fuel. Also, ensure that the fuel pressure (PSI) is at the correct level. Lastly, a dirty nozzle can cause these issues, so clean or replace it.
D
Denise GarrettAug 26, 2025
What to do if my Master Heater ignites but shuts off quickly with error code E1?
- M
  Melissa LewisAug 26, 2025
  If your Master Heater ignites but the main PCB shuts off shortly after, displaying error code “E1”, the issue could stem from several causes. First, adjust the pump pressure to the correct setting. Check and clean or replace the air, lint, and fuel filters if they are dirty. Also, clean or replace the nozzle and photocell. Ensure the photocell is correctly installed and not defective; adjust its position or replace it if necessary. Verify the wiring connections between the main PCB and photocell. For models other than 45-KFA, check the thermister placement. Finally, replace the temperature limit switch if there's an electrical connection issue within it.
R
richardarnoldAug 27, 2025
What to do if my Master MH-190T-KFA won't operate and shows error E1?
- J
  jeffmillerAug 28, 2025
  If your Master Heater won't operate and the LED display shows “E1”, start by filling the tank with fresh kerosene if it's empty. Adjust the pump pressure if it's incorrect. Clean or replace the spark plug if it's corroded or the gap is incorrect, and clean or replace the fuel filter and nozzle if they're dirty. If there's moisture in the fuel tank, rinse it with clean kerosene. Inspect the electrical connections between the transformer and circuit board, and ensure the ignitor wire is connected to the spark plug. Replace the ignitor if it's defective, and adjust the rotor spacing if it's improper.
D
David StarkAug 30, 2025
What to do if the fan on my Master MH-190T-KFA Heater isn't working and shows error E1 or E2?
- V
  Victor ValdezAug 30, 2025
  If the fan on your Master Heater isn't working, and the LED display shows “E1” or “E2”, first check the thermostat setting and rotate it to a higher setting if it's too low (this does not apply to the 45-KFA model). Also, inspect the electrical connections between the main PCB and the motor for any breaks.
T
Tamara MartinSep 1, 2025
Why does my Master MH-190T-KFA ignite but then shut off, displaying 'E1'?
- M
  Mary PhillipsSep 1, 2025
  If your Master Heater ignites but the main PCB shuts off shortly after, displaying 'E1', consider these potential causes: * Incorrect pump pressure: Adjust the pump pressure. * Dirty filters: Clean or replace the air, lint, or fuel filters. * Dirty nozzle: Clean or replace the nozzle. * Dirty or improperly installed photocell: Clean, replace, or adjust the photocell. * Check the wiring connections between the main PCB and the photocell. * Ensure the thermister sensor is correctly placed. * Replace the temperature limit switch.
A
Antonio MillerSep 4, 2025
How to fix poor combustion and soot from Master Heater?
- M
  Michael GuzmanSep 4, 2025
  If your Master Heater is experiencing poor combustion or producing excess soot, consider the following: * Dirty filters: Clean or replace the air or lint filter and the fuel filter. * Fuel quality: Flush the fuel tank and refuel the heater with good quality fuel. * Pressure: Ensure you are using the proper pressure. * Nozzle: Clean or replace the nozzle.
M
Michael WeissSep 6, 2025
What to do if Master Gas Heater does not turn on?
- E
  Erik AcostaSep 6, 2025
  If your Master Gas Heater isn't turning on and the lamp isn't lit, there are several potential causes. First, the temperature limit sensor may have overheated; in this case, turn the power switch off and allow the heater to cool for 10 minutes before switching it back on. Second, there may be no electrical power; check the power cord and any extension cords to ensure they are properly connected, and test the power supply. Third, the fuse may be blown, so check and replace it if necessary. Finally, there might be an improper electrical connection between the temperature limit sensor and the circuit board; inspect all electrical connections.
R
Ryan BrowningSep 8, 2025
Why is my Master Gas Heater producing soot?
- E
  Emily GainesSep 8, 2025
  If your Master Gas Heater is producing poor combustion or excess soot, it could be due to several reasons. The input, output, or lint filter might be dirty, so clean or replace the air filter. Another cause could be a dirty fuel filter, which would require cleaning or replacement. The fuel quality might also be poor, so ensure the fuel is not contaminated or old. Lastly, the PSI may be too high or too low; use the proper pressure.

Master MH-190T-KFA Specifications

General

Heater Type	Forced Air
BTU Output	190, 000 BTU
Heating Area	4, 750 sq. ft.
Voltage	120V
Frequency	60 Hz
Thermostat	Yes
Fuel Type	Kerosene
Safety Features	Overheat Shut Off

Summary

Product Introduction and Warnings

General Hazard Warning

Key hazard warning about potential death, injury, or property loss from heater use.

Residential Use Restriction

Heater is not for use in residential living areas or inadequately ventilated spaces.

Safety Information and Precautions

Hazard Severity Levels

Explanation of DANGER, WARNING, and CAUTION hazard symbols and their meanings.

Carbon Monoxide Risks

Detailed warning about carbon monoxide poisoning, its symptoms, and risks.

Indoor Air Quality and Fuel

Guidance on ventilation requirements, fuel types, and air pollution risks.

General Safety Rules

Essential safety directives for operation, including unattended use and combustible materials.

Theory of Operation

Fuel and Ignition System

Explanation of how fuel is delivered, mixed with air, and ignited.

Airflow and Safety Controls

Description of the fan operation and the temperature limit control.

Heater Features and Specifications

Clearance Requirements

Minimum distances required from combustibles for safe heater operation.

Model MH-45/75T-KFA Features

Diagram and labels for key components of MH-45/75T-KFA models.

Model MH-135T/190T/215T-KFA Features

Diagram and labels for key components of MH-135T/190T/215T-KFA models.

Heater Specifications

Model and Performance Specs

Table detailing BTU, fuel consumption, tank capacity, pressure, amps, and phase.

Product Dimensions

Diagrams showing physical dimensions (L, W, H) for different heater models.

Unpacking and Assembly

Unpacking Instructions

Steps to safely remove the heater and packaging materials from the carton.

Assembly Parts Checklist

Table listing required parts for heater assembly, organized by model.

Hardware Components Identification

Visual guide to hardware kits and common components used during assembly.

Assembly Procedures

Handle and Cordwrap Assembly

Instructions for attaching the heater's handle and cordwrap.

Frame and Wheel Assembly

Step-by-step guide for assembling the heater's frame, axle, and wheels.

Kerosene Fueling Guidance

Guidance on using 1-K kerosene and other approved fuels for optimal performance.

Operation and Fueling

Kerosene Storage and Use

Guidelines for safely storing kerosene and preventing deterioration.

Fueling the Heater Safely

Precautions and procedures for safely fueling the heater outdoors.

Ventilation Requirements

Mandatory ventilation openings for safe operation to prevent CO buildup.

Starting the Heater

Step-by-step instructions for starting the heater, including thermostat settings.

Operation Controls and Storage

Stopping and Restarting Heater

Procedure for turning the heater off and restarting it after a pause.

Electrical Outlet Safety

Warning about the 5-amp rating limit for the heater's electrical outlet.

Long Term Storage Procedure

Instructions for draining the fuel tank and preparing the heater for storage.

Maintenance Schedule

General Maintenance Warnings

Caution against servicing the heater while it is plugged in or hot.

Fuel Tank and Filter Maintenance

Recommended cleaning and replacement intervals for filters and fuel tank.

Nozzle and Fan Blade Care

Instructions for cleaning or replacing nozzles and fan blades.

Component Maintenance

Spark Plug Service

Procedure for cleaning, re-gapping, or replacing the spark plug.

Photocell Cleaning and Positioning

How to clean the photocell and ensure correct positioning for flame sensing.

Fuel Filter Cleaning

Instructions for cleaning the fuel filter, varying by model.

Pump Pressure Adjustment

Pump Pressure Adjustment Procedure

How to adjust pump pressure and indicators for optimal pressure.

Pump Pressure Specifications

Table listing correct pump pressure values for each heater model.

Exploded View Part Breakdown

Part Identification Diagram

Visual representation of heater components with numbered parts for identification.

Replacement Part Listing

Parts by Model Number

Table of part numbers and descriptions for each specific heater model.

Wiring Diagrams

Wiring Diagram MH-45-KFA

Electrical schematic detailing the wiring for the MH-45-KFA model.

Wiring Diagram MH-75T-KFA

Electrical schematic detailing the wiring for the MH-75T-KFA model.

Wiring Diagram MH-135T/190T/215T-KFA

Electrical schematic for MH-135T, 190T, and 215T-KFA models.

Troubleshooting Guide

Heater Firing Issues

Solutions for problems like PCB shutdown, flickering lamps, or error codes.

Operation and Combustion Problems

Troubleshooting for no operation, poor combustion, or excess soot production.

Power and Sensor Issues

Resolving issues with the fan not operating or the heater not turning on.

Limited Warranty Information

Warranty Coverage and Exclusions

Details on what the limited warranty covers and common exclusions.

Warranty Claims and Limitations

Procedure for making warranty claims and limitations on implied warranties.

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Master MH-190T-KFA User Manual

Table of Contents

Other manuals for Master MH-190T-KFA

Questions and Answers:

Master MH-190T-KFA Specifications

Summary

Product Introduction and Warnings

General Hazard Warning

Residential Use Restriction

Safety Information and Precautions

Hazard Severity Levels

Carbon Monoxide Risks

Indoor Air Quality and Fuel

General Safety Rules

Theory of Operation

Fuel and Ignition System

Airflow and Safety Controls

Heater Features and Specifications

Clearance Requirements

Model MH-45/75T-KFA Features

Model MH-135T/190T/215T-KFA Features

Heater Specifications

Model and Performance Specs

Product Dimensions

Unpacking and Assembly

Unpacking Instructions

Assembly Parts Checklist

Hardware Components Identification

Assembly Procedures

Handle and Cordwrap Assembly

Frame and Wheel Assembly

Kerosene Fueling Guidance

Operation and Fueling

Kerosene Storage and Use

Fueling the Heater Safely

Ventilation Requirements

Starting the Heater

Operation Controls and Storage

Stopping and Restarting Heater

Electrical Outlet Safety

Long Term Storage Procedure

Maintenance Schedule

General Maintenance Warnings

Fuel Tank and Filter Maintenance

Nozzle and Fan Blade Care

Component Maintenance

Spark Plug Service

Photocell Cleaning and Positioning

Fuel Filter Cleaning

Pump Pressure Adjustment

Pump Pressure Adjustment Procedure

Pump Pressure Specifications

Exploded View Part Breakdown

Part Identification Diagram

Replacement Part Listing

Parts by Model Number

Wiring Diagrams

Wiring Diagram MH-45-KFA

Wiring Diagram MH-75T-KFA

Wiring Diagram MH-135T/190T/215T-KFA

Troubleshooting Guide

Heater Firing Issues

Operation and Combustion Problems

Power and Sensor Issues

Limited Warranty Information

Warranty Coverage and Exclusions

Warranty Claims and Limitations

Related product manuals