1. Introduction
This manual provides essential instructions for the safe and efficient installation, operation, and maintenance of your Dyna-Glo 80,000 BTU Natural Gas or LP Unit Heater, Model GUH80NELE. Please read this manual thoroughly before attempting to install or operate the unit. Retain this manual for future reference.
Figure 1: Front view of the Dyna-Glo 80,000 BTU Unit Heater, showing the main housing and heat exchanger fins.
2. Safety Information
WARNING: Improper installation, adjustment, alteration, service, or maintenance can cause property damage, injury, or death. Read the installation, operating, and maintenance instructions thoroughly before installing or servicing this equipment.
- This unit must be installed by a qualified installer, service agency, or gas supplier.
- Ensure adequate ventilation is provided in the installation area.
- Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance.
- Install a carbon monoxide detector in the area where the heater is installed.
- Always turn off the gas supply and disconnect electrical power before performing any service or maintenance.
3. Package Contents
Verify that all components are present before beginning installation:
- Dyna-Glo 80,000 BTU Unit Heater (Model GUH80NELE)
- LP (Liquid Propane) Conversion Kit
- Instruction Manual
4. Setup and Installation
4.1 Site Selection and Mounting
The unit heater is designed for indoor use and can be floor-mounted. Ensure the installation location provides adequate clearance from combustible materials and allows for proper air circulation. Refer to local codes and regulations for specific clearance requirements.
Figure 2: Dimensions of the Dyna-Glo Unit Heater, showing approximate measurements of 25.2"D x 28.15"W x 17.32"H.
4.2 Gas Connection (Natural Gas or LP)
This unit ships configured for Natural Gas (NG) operation. An LP (Liquid Propane) conversion kit is included for use with propane. The conversion must be performed by a qualified service technician in accordance with all applicable codes and the instructions provided with the conversion kit.
Important: All gas connections must be leak-tested after installation or conversion.
4.3 Electrical Wiring and Thermostat Connection
The unit requires electrical power for operation of the fan and control system. Connect the unit to a dedicated electrical circuit as specified in the electrical requirements section of this manual (refer to specifications for voltage and amperage). A thermostat can be connected to control the heater's operation.
Figure 3: Close-up view of the thermostat wiring terminals (C, W, G, R) located on the unit's control board. These terminals are for thermostat wiring only.
Connect your thermostat wires to the corresponding terminals on the unit's control board:
- R: 24V Power
- C: 24V Common
- W: Heat Call
- G: Fan Call
Figure 4: Rear view of the Dyna-Glo Unit Heater, showing the large fan assembly and the electrical connection box on the right side.
5. Operating Instructions
5.1 Initial Startup
- Ensure all gas and electrical connections are secure and leak-free.
- Open the manual gas shut-off valve to the unit.
- Turn on the electrical power to the unit.
- Set your thermostat to the desired temperature. The heater will initiate its ignition sequence.
- Observe the unit during the first few minutes of operation to ensure proper ignition and fan engagement.
5.2 Normal Operation
Once the unit is properly installed and started, it will operate automatically based on the thermostat settings. The fan will activate to distribute heated air throughout the space when a call for heat is detected.
6. Maintenance
Regular maintenance ensures optimal performance and longevity of your unit heater. Always disconnect electrical power and turn off the gas supply before performing any maintenance.
6.1 Annual Inspection
- Inspect the heat exchanger for any signs of corrosion or damage.
- Check the burner and ignition system for proper operation and cleanliness.
- Examine all gas connections for leaks.
- Verify the fan motor and blades are clean and free of obstructions.
- Ensure all electrical connections are tight and free from corrosion.
It is recommended to have a qualified service technician perform an annual inspection and tune-up.
6.2 Cleaning
- Keep the exterior of the unit clean by wiping it with a damp cloth.
- Periodically clean the fan blades and motor housing to prevent dust buildup, which can affect performance and lead to overheating.
7. Troubleshooting
Before calling for service, review the following common issues and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Heater does not turn on. | No electrical power; Gas supply off; Thermostat set too low; Safety lockout. | Check circuit breaker; Ensure gas valve is open; Adjust thermostat; Reset unit by cycling power. |
| No heat, but fan runs. | Ignition failure; Gas supply issue; Flame sensor dirty or faulty. | Check gas supply; Inspect ignition components; Clean flame sensor (if accessible and safe). |
| Unit cycles on and off frequently. | Improper thermostat placement; Restricted airflow; Oversized unit. | Relocate thermostat; Check for obstructions around unit; Consult a professional. |
If troubleshooting steps do not resolve the issue, contact a qualified service technician.
8. Specifications
| Feature | Detail |
|---|---|
| Model Number | GUH80NELE |
| BTU Output | 80,000 BTU |
| Fuel Type | Natural Gas (NG) or Liquid Propane (LP) |
| Dimensions (D x W x H) | 25.2" x 28.15" x 17.32" |
| Item Weight | 97 pounds |
| Indoor/Outdoor Usage | Indoor |
| Mounting Type | Floor Mount |
| UPC | 872076046660 |
9. Warranty and Support
Warranty information for your Dyna-Glo unit heater is typically provided with the product at the time of purchase. Please refer to the documentation included in your product packaging for specific warranty terms and conditions.
For technical support, replacement parts, or further assistance, please contact Dyna-Glo customer service. Contact details can usually be found on the manufacturer's website or in the product packaging.