Used Atwood Hydro Flame Furnace Manual

The Atwood Hydro Flame furnace is a high-efficiency RV furnace designed for reliable heating in recreational vehicles. This used model features electronic ignition, multiple heat settings, safety shut-off systems, and compatibility with standard RV propane systems. Below are key sections for safety, features, installation, operation, maintenance, and troubleshooting.

Features at a Glance

Key components: Electronic ignition system, thermostat control, blower motor, heat exchanger, safety shut-off valve, exhaust system.

Installation Guidelines

Proper installation is critical for safe operation. Follow these steps carefully.

1. Select mounting location: Choose well-ventilated area with proper clearance.
2. Connect to propane system: Use approved propane lines and fittings.
3. Install exhaust vent: Ensure proper outdoor venting of combustion gases.
4. Electrical connection: Connect to 12V DC RV power system.
5. Test operation: Verify proper ignition and heat output.

WARNING! Installation must be performed by qualified technician. Improper installation can cause fire, explosion, or carbon monoxide poisoning.

First-Time Setup

Initial setup for used furnace requires careful inspection and testing.

1. Inspect components: Check for damage, corrosion, or wear.
2. Verify propane supply: Ensure propane tank is filled and valves open.
3. Power connection: Connect to 12V DC power source.
4. Thermostat setting: Set to desired temperature.
5. Test ignition: Observe startup sequence and flame operation.
6. Check airflow: Verify proper heat distribution through vents.

CAUTION! Always test furnace in well-ventilated area. Check for gas leaks before operation.

Specifications

• BTU Output: Varies by model (typically 16,000-30,000 BTU)
• Fuel Type: Liquid Propane (LP)
• Power Requirement: 12V DC
• Ignition System: Electronic spark ignition
• Airflow: Forced air with blower motor
• Thermostat: Built-in or remote compatible
• Dimensions: Compact design for RV installation
• Weight: Varies by model (typically 15-25 lbs)
• Exhaust: Direct vent system
• Safety Features: Overheat protection, flame failure detection

Controls and Settings

Understanding furnace controls and proper settings for optimal performance.

Main Controls: Power switch, thermostat control, mode selector.

Thermostat Settings: Temperature adjustment, fan control (auto/on). Operating Modes: Heat only, fan only (on some models). Temperature Range: Typically 50°F to 90°F adjustable. Fan Speed: Automatic adjustment based on heat demand. LED Indicators: Power status, ignition status, error codes.

Connecting to Propane System

Proper connection to RV propane system is essential for safe operation.

1. Turn off all propane valves before connecting.
2. Use approved propane hose and fittings.
3. Apply leak detection solution to check for leaks.
4. Ensure proper regulator pressure (typically 11" water column).
5. Test system for leaks before operating furnace.

Tip: Always have propane system inspected annually by qualified technician.

Operating Instructions

Proper operation procedures for used Atwood Hydro Flame furnace.

1. Power On: Ensure 12V power is available and switch is on.
2. Set Thermostat: Adjust to desired temperature setting.
3. Start Sequence: Furnace will initiate ignition sequence automatically.
4. Monitor Operation: Listen for proper ignition and fan operation.
5. Adjust Settings: Modify temperature as needed for comfort.
6. Shut Down: Turn thermostat to lowest setting or use power switch.

WARNING! Never operate furnace if you smell gas. Evacuate immediately and contact professional service.

Safety Features

Multiple safety systems protect against hazardous conditions.

Flame Failure Detection: Automatically shuts off gas if flame is not detected. Overheat Protection: Thermal cutoff prevents overheating. Pressure Switch: Ensures proper ventilation before ignition. Carbon Monoxide Safety: Proper venting prevents CO buildup. Tip-over Protection: On some models, automatic shut-off if unit tips.

Maintenance & Cleaning

Regular maintenance ensures reliable operation and extends furnace life.

1. Annual Inspection: Have qualified technician inspect entire system.
2. Clean Air Intake/Exhaust: Remove debris from vents regularly.
3. Check Burner: Inspect for proper flame pattern and cleanliness.
4. Lubricate Blower: Some models require periodic blower motor lubrication.
5. Filter Cleaning: Clean or replace air filters as needed.

CAUTION! Always disconnect power and propane before performing maintenance.

Regulatory Information

This furnace complies with applicable safety standards for RV heating equipment. Certified for recreational vehicle use. Propane system must comply with NFPA 1192 standards. For technical support or replacement parts, contact Atwood Mobile Products or authorized service centers.

Troubleshooting

Reset Procedure: Turn power off for 30 seconds, then restart.

Service: Contact authorized Atwood service center for professional repair.