Introduction
Thank you for purchasing the Master MH-135T-KFA Kerosene Forced Air Heater. This manual provides important information for the safe operation, maintenance, and troubleshooting of your heater. Please read this manual thoroughly before operating the unit and keep it for future reference.
Figure 1: Master MH-135T-KFA Kerosene Forced Air Heater. This image shows the complete heater unit, featuring its yellow cylindrical body, black fuel tank base, and sturdy black handles and wheels for portability. The front of the heater emits a warm glow, indicating its heating function.
Important Safety Information
Always follow basic safety precautions when using electrical appliances to reduce the risk of fire, electric shock, and injury to persons.
- Read all instructions before using this heater.
- Ensure proper ventilation to prevent carbon monoxide poisoning.
- Do not use this heater in residential living areas. It is designed for industrial and outdoor use.
- Keep combustible materials at least 8 feet (2.4 meters) from the front of the heater and 3 feet (0.9 meters) from the sides and top.
- Use only kerosene, JP8, Jet A fuel, 1 and 2 fuel oil, or 1 and 2 diesel as fuel. Do not use gasoline or other volatile fuels.
- Always unplug the heater when not in use or before servicing.
- Do not operate the heater if it has been dropped or damaged in any manner.
- This heater is equipped with an automatic safety shut-off system. Do not bypass or modify this feature.
Product Overview
The Master MH-135T-KFA is a portable kerosene forced air heater designed for heating large spaces such as garages, workshops, construction sites, warehouses, and aircraft hangers. It features a robust design with integrated wheels and handles for easy transport.
Key Features:
- BTU Output: 135,000 BTU
- Heating Area: Up to 3375 square feet
- Fuel Type: Multi-fuel (Kerosene, JP8, Jet A fuel, 1 & 2 fuel oil, 1 & 2 diesel)
- Fuel Tank Capacity: 10 Gallons
- Operating Hours: Approximately 10 hours on a full tank
- Thermostat: Built-in for temperature control
- Safety: Automatic safety shut-off system
- Portability: Integrated wheel and handle kits with heavy-duty pneumatic tires
- Diagnostics: Digital temperature readout and LED diagnostics
Figure 2: Close-up view of the heater's control panel and fuel tank. This image highlights the control knob, digital display, and various warning labels on the black fuel tank, indicating the heater's operational interface and safety information.
Setup and Assembly
The Master MH-135T-KFA heater requires some assembly before first use. Follow these steps carefully:
- Unpacking: Carefully remove all components from the packaging. Check for any shipping damage.
- Wheel and Handle Installation: Attach the heavy-duty pneumatic wheels and handles to the heater frame using the provided hardware. Ensure all bolts are securely tightened.
- Placement: Position the heater on a level, non-combustible surface. Ensure adequate clearance from walls, ceilings, and combustible materials as specified in the safety section.
- Fueling: Fill the 10-gallon fuel tank with clean kerosene, JP8, Jet A fuel, 1 and 2 fuel oil, or 1 and 2 diesel. Do not overfill. Always refuel outdoors and away from ignition sources.
- Power Connection: Connect the heater to a grounded electrical outlet using the integrated extension cord wrap. Ensure the power supply matches the heater's requirements.
Figure 3: Side view of the heater showing the robust handles and pneumatic wheels. This image emphasizes the heater's design for easy transport, highlighting the durable wheels and the handle extending from the main body.
Operating Instructions
Starting the Heater:
- Ensure the heater is properly fueled and connected to a power source.
- Turn the Power On/Off switch to the "ON" position.
- Set the thermostat to the desired temperature. The heater will automatically ignite and begin heating.
- Monitor the digital temperature readout and LED diagnostics for operational status.
Shutting Down the Heater:
- Turn the Power On/Off switch to the "OFF" position.
- Allow the heater to cool down completely before moving or storing.
- Unplug the heater from the power outlet.
Fuel Gauge:
The built-in fuel gauge provides an indication of the remaining fuel level in the tank. Refuel when the gauge indicates low fuel to ensure continuous operation.
Maintenance
Regular maintenance ensures the longevity and safe operation of your Master MH-135T-KFA heater. Always unplug the heater before performing any maintenance.
- Cleaning: Keep the heater clean and free from dust and debris. Use a soft, dry cloth for exterior cleaning.
- Fuel Filter: Periodically inspect and clean or replace the fuel filter to ensure proper fuel flow.
- Nozzle: Check the burner nozzle for clogs or damage. Clean or replace as necessary.
- Air Pressure Gauge: Ensure the built-in calibrated air pressure gauge is functioning correctly.
- Storage: When storing the heater for extended periods, drain the fuel tank and store in a dry, safe location.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Heater does not start | No power; No fuel; Thermostat set too low; Safety shut-off activated. | Check power connection; Refuel; Adjust thermostat; Reset heater. |
| Heater runs, but no heat | Clogged fuel filter or nozzle; Incorrect fuel type. | Clean/replace fuel filter/nozzle; Use recommended fuel. |
| Excessive smoke or odor | Poor ventilation; Dirty fuel filter/nozzle; Incorrect fuel. | Ensure adequate ventilation; Clean/replace components; Use correct fuel. |
If the problem persists after attempting these solutions, contact qualified service personnel.
Specifications
| Feature | Detail |
|---|---|
| Model Number | MH-135T-KFA |
| BTU Output | 135,000 BTU |
| Heating Area | Up to 3375 sq ft |
| Fuel Capacity | 10 Gallons |
| Fuel Consumption | 0.56 gal/hr |
| Max Operating Hours | 10 hours (on full tank) |
| Motor | 1/5 HP |
| CFM | 540 CFM |
| Dimensions (H x W x D) | 26'' x 39'' x 23'' (58.42 x 99.06 x 66.04 cm) |
| Weight | 22.23 kg |
| Certification | CSA Certified |
Warranty Information
The Master MH-135T-KFA Kerosene Forced Air Heater comes with a 1-Year Limited Warranty from the date of purchase. This warranty covers defects in materials and workmanship under normal use. It does not cover damage resulting from misuse, abuse, accident, unauthorized repairs, or lack of proper maintenance.
For warranty claims or service, please contact Master customer support with your proof of purchase.
