Atwood Hydro Flame Furnace Owners Manual

The Atwood Hydro Flame Furnace is a high-efficiency heating system designed for RV and mobile applications, featuring electronic ignition, multi-speed blower, safety shut-off devices, thermostat control, and compatibility with various fuel sources. Below are key sections for safety, features, installation, setup, operation, maintenance, and troubleshooting.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Connecting to Power and Fuel 7. Operation 8. Maintenance Procedures 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

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

Feature	Description
Electronic Ignition	Automatic spark ignition for reliable startup
Multi-speed Blower	Adjustable airflow for optimal heating efficiency
Thermostat Control	Precise temperature regulation
Safety Shut-off	Automatic shut-off in case of malfunction
Combustion Chamber	Stainless steel construction for durability
Heat Exchanger	Efficient heat transfer system
Exhaust System	Proper ventilation for combustion gases
Fuel Valve	Controls fuel supply to burner
Power Switch	Main power control
Indicator Lights	Status indicators for operation and errors

Installation

Unpack and inspect all components. Ensure proper ventilation and clearance.

Mount furnace: Secure to floor or wall using provided brackets.
Connect fuel line: Use approved fuel line and fittings.
Connect electrical: Wire to 12V DC power source with proper fuse.
Install thermostat: Mount in desired location and connect wires.
Connect exhaust: Install exhaust pipe according to specifications.

WARNING! Installation must be performed by qualified technician. Ensure proper ventilation to prevent carbon monoxide buildup.

First-Time Setup

Complete installation checks before initial startup.

Check all connections: Verify fuel, electrical, and exhaust connections.
Test safety systems: Ensure shut-off valves and sensors function properly.
Set thermostat: Adjust to desired temperature setting.
Initial startup: Follow startup sequence in manual.
Monitor operation: Check for proper ignition and heating.

CAUTION! Test for gas leaks using soap solution before initial use. Never use open flame to check for leaks.

Specifications

Heating Capacity: Various BTU ratings available
Fuel Type: Propane/Natural Gas
Power Requirements: 12V DC
Ignition System: Electronic spark ignition
Blower Speeds: Multiple settings for optimal airflow
Thermostat: Digital or manual control
Safety Features: Overheat protection, flame failure detection
Exhaust: Direct vent or power vent options
Dimensions: Varies by model
Weight: Varies by model

Controls and Settings

Main control panel includes power switch, thermostat, and indicator lights. Remote thermostat available for some models.

Thermostat Settings: Temperature control, fan settings, mode selection.

Blower Control: Adjust blower speed for optimal heating and noise levels. Safety Settings: Overheat protection, flame sensor sensitivity. Maintenance Mode: For service and diagnostic procedures.

Connecting to Power and Fuel

Power: 12V DC connection with proper fuse protection. Fuel: Propane or natural gas line with regulator.

Turn off all power and fuel sources before connecting.
Connect power wires: Positive and negative to appropriate terminals.
Connect fuel line: Use thread sealant approved for fuel systems.
Check for leaks: Use soap solution on all connections.
Restore power and fuel: Turn on slowly while monitoring for issues.

Tip: Always use approved materials and follow local codes for fuel and electrical connections.

Operation

Normal operation sequence: Thermostat call, ignition sequence, burner operation, blower activation.

Set thermostat: Adjust to desired temperature.
Wait for ignition: Listen for spark and burner ignition.
Monitor operation: Check for proper heating and airflow.
Adjust settings: Use thermostat and blower controls as needed.
Shutdown: Thermostat will cycle furnace on and off automatically.

WARNING! Never operate furnace without proper ventilation. Install and maintain carbon monoxide detectors.

Maintenance Procedures

Regular maintenance ensures safe and efficient operation.

Monthly: Check air intake and exhaust for obstructions.
Seasonal: Clean burner assembly and heat exchanger.
Annual: Professional inspection and cleaning recommended.
As needed: Replace filters and check electrical connections.

CAUTION! Always disconnect power and fuel before performing maintenance.

Care & Cleaning

Disconnect power and fuel before cleaning. Use soft brush and compressed air for cleaning components.

CAUTION! Do not use water or liquid cleaners on electrical components. Keep combustion area clean and free of debris.

Regulatory Information

UL listed for safety standards. Complies with ANSI Z21.44 for gas-fired room heaters. CSA certified for Canadian standards. For support, contact Atwood Customer Service at 1-800-555-HEAT or visit www.atwoodmobile.com.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No ignition	Power loss/fuel issue	Check power connection; verify fuel supply; check spark electrode.
Furnace cycles on/off	Overheating/airflow	Clean air intake; check blower operation; verify thermostat setting.
No heat output	Burner issue	Check fuel supply; clean burner; verify ignition sequence.
Blower not working	Motor/electrical	Check power to blower; test motor; replace if necessary.
Error codes displayed	Sensor/safety issue	Refer to error code chart in manual; reset if applicable.

Reset: Turn power off for 30 seconds, then restore.

Service: 1-800-555-HEAT; www.atwoodmobile.com