This document describes a Gas Patio Heater (model HME030245N) designed for outdoor use. It is a freestanding infrared patio heater that uses propane gas as fuel.
Function Description:
The primary function of this device is to provide heat in outdoor spaces. It operates by burning propane gas to generate infrared heat, which radiates outwards to warm the surrounding area. The heater is designed for safe operation outdoors, with specific warnings against indoor use due to the risk of carbon monoxide poisoning. It features a pilot light for safer startups and shutdowns, and a control knob to adjust the heat level. The design includes a base for stability, a cylinder housing to store the propane tank, a post, and a reflector assembly to direct the heat.
Important Technical Specifications:
- Model Number: HME030245N
- Fuel Type: Propane gas (vapor withdrawal supply system)
- Cylinder Compatibility: Standard 20 lb. propane cylinder (approximately 12.2 in. / 31cm diameter and 17.9 in./ 45.5cm high)
- Gas Supply Pressure:
- Maximum inlet: 250 psi / 1750 kPa
- Minimum inlet: 25 psi / 175 kPa
- Manifold pressure with regulator: 11 inch W.C / 2.74 kPa
- Safety Standards: ANS Z83.26-2014 CSA 2.37-2014 Gas-Fired Outdoor Infrared Patio Heater. Installation must conform to local codes, or in their absence, with National Fuel Gas Code, ANS Z223.1/NFPA54, Natural Gas and Propane Installation Code, CSA B149.1, or Propane Storage and Handling Code, B149.2.
- Clearances from Combustible Materials: Minimum three (3) feet from the sides and two (2) feet from the top.
- Operating Temperature Range: Reduced efficiency below 40°F (5°C).
- Assembly Time: Estimated 60 minutes.
Usage Features:
- Outdoor Use Only: Strictly designed for outdoor environments. Prohibited for use in enclosed spaces like campers, tents, cars, homes, or any unventilated areas due to carbon monoxide hazard.
- Pilot Light System: Equipped with a pilot light for controlled ignition and shutdown of the main burner. The pilot must be lit before the main burner can be started.
- Adjustable Heat Output: A control knob allows users to adjust the heat level from "LOW" to "HIGH."
- Ignition: Features an igniter button to light the pilot flame. Manual ignition with a long stem lighter is also an option if the igniter fails.
- Stability: The base is designed to be filled with sand to improve stability. It also includes ground fixers for additional anchoring.
- Propane Cylinder Storage: The cylinder housing accommodates a standard 20 lb. propane tank. The manual emphasizes proper storage of disconnected cylinders outdoors in well-ventilated areas, with dust caps tightly installed.
- Beverage Table (Optional/Integrated): The device includes a tabletop that can be tightened or loosened, suggesting a feature for holding beverages or small items.
- Leak Check Procedure: A detailed procedure using soapy water is provided to check for gas leaks at connections, crucial for safe operation.
- Shutdown Procedure: Involves turning the control knob to PILOT, then depressing and turning it to OFF, followed by turning off the cylinder valve and disconnecting the regulator.
- Warning Indicators: The emitter screen becomes bright red when hot. Blue and yellow flames indicate normal burner operation, while excessive yellow flames or thick black smoke indicate an obstruction or issue requiring troubleshooting.
Maintenance Features:
- Regular Cleaning: Exterior surfaces should be cleaned with warm soapy water. The area around the burner and pilot assembly must be kept dry.
- Airflow Maintenance: Ensure the appliance area is clear of combustible materials, and that combustion and ventilation airflows are unobstructed. Ventilation openings of the cylinder enclosure must be free of debris.
- Hose Assembly Inspection: Visually inspect the hose assembly annually for abrasion, cuts, or wear-off, and leak test suspected areas. Replacement hoses must be manufacturer-specified.
- Burner and Orifice Cleaning: Spiders and insects can nest in burners or orifices, leading to blockages. Cleaning burner holes with a heavy-duty pipe cleaner and compressed air is recommended.
- Carbon Deposit Removal: Dome and burner screen should be cleaned with warm soapy water if carbon deposits develop.
- Professional Inspection: The heater should be inspected before each use and annually by a qualified service person. More frequent cleaning may be required. Installation and repair should also be performed by a qualified service person.
- Storage Guidelines: When not in use, the heater should be stored upright in a sheltered, well-ventilated outdoor area, disconnected from the LP source, and covered to protect exterior surfaces and prevent build-up in air passages. It's important to allow the heater to cool down before covering or storing.
- Troubleshooting Guide: A table is provided to diagnose common issues such as pilot not lighting, pilot not staying lit, burner not lighting, low burner flame, and carbon build-up, along with possible causes and solutions.
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