Duo Therm Furnace 65930 Manual

The Duo Therm Furnace 65930 is a high-efficiency RV furnace designed for reliable heating in recreational vehicles. This furnace features electronic ignition, multiple heat settings, built-in safety controls, and compatibility with standard RV power systems. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

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

Features at a Glance

Key components: Electronic ignition system, thermostat control, exhaust vent, air intake, safety shut-off, multiple heat settings.

Feature	Description
Electronic ignition	Automatic spark ignition for reliable startup
Thermostat control	Precise temperature regulation
Exhaust vent	Safe removal of combustion gases
Air intake	Fresh air supply for combustion
Safety shut-off	Automatic shutdown if issues detected
Heat settings	Multiple output levels for efficiency
Power indicator	LED status light for operation
Blower motor	Quiet operation with adjustable speed
Gas valve	Precise fuel control
Control board	Electronic operation management

Installation

Unpack and inspect contents. Ensure proper ventilation clearance.

Mount furnace: Secure in designated RV compartment with proper clearances.
Connect gas line: Use approved gas fittings and check for leaks.
Connect electrical: Wire to RV 12V DC power system.
Install thermostat: Mount in living area for accurate temperature sensing.
Connect ductwork: Attach heating ducts to distribution ports.

WARNING! Installation must be performed by qualified technician. Ensure proper ventilation and gas line integrity.

First-Time Setup

Power on furnace; follow startup sequence.

Check gas supply: Ensure propane tank has adequate fuel.
Power connection: Verify 12V DC power is available.
Thermostat setup: Set to desired temperature and mode.
Initial ignition: System will automatically attempt ignition sequence.
Test operation: Verify heat output and blower operation.

CAUTION! Never operate without proper ventilation. Check for gas odors before and during operation.

Specifications

Model: Duo Therm 65930
Fuel Type: Propane/LP Gas
BTU Output: 30,000 BTU
Power Requirements: 12V DC
Ignition: Electronic spark
Airflow: Adjustable blower speed
Dimensions: Standard RV furnace size
Weight: Approximately 15 lbs
Venting: Direct vent system
Temperature Range: 40°F to 90°F

Controls and Settings

Access controls via thermostat or furnace control board.

Thermostat: Temperature setting, fan control, mode selection.

Furnace Controls: Power switch, reset button, diagnostic lights.

Operation: Set desired temperature on thermostat. System automatically ignites and maintains temperature. Fan speed adjusts based on heat demand. Safety features include flame failure detection, overheat protection, and ventilation monitoring.

Connecting to RV Systems

Gas connection: LP gas line with shut-off valve. Electrical: 12V DC power. Thermostat: 2-wire connection.

Turn off all power and gas before connecting.
Connect gas line using approved fittings and sealant.
Wire electrical connections following color coding.
Connect thermostat wires to control board.
Test all connections for leaks and proper operation.

Tip: Always use gas leak detector solution to check connections.

Operation

Supports automatic temperature control with safety monitoring.

Power on: Turn thermostat to desired temperature.
Ignition: System automatically begins ignition sequence.
Heating: Blower starts, gas valve opens, ignition sparks.
Operation: Maintains set temperature with cycling.
Shutdown: Turn thermostat below current temperature.
Fan delay: Blower continues briefly to dissipate heat.

WARNING! Never block air intake or exhaust vents. Ensure adequate ventilation during operation.

Safety Features

Flame Failure: Automatic shutdown if flame not detected. Overheat Protection: Shuts down if temperature exceeds safe limits. Ventilation Monitoring: Ensures proper exhaust flow. Gas Pressure Regulation: Maintains consistent fuel delivery.

Maintenance & Cleaning

Turn off power and gas before maintenance. Clean air intake and exhaust regularly. Inspect burner assembly annually.

CAUTION! Only qualified technicians should service gas components. Keep area around furnace clear of debris.

Regulatory Information

ANSI Z21.44: Certified for RV use. CSA International: Safety certified. EPA: Complies with emission standards. For support, visit www.duotherm.com or contact 1-800-544-4888.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No ignition	Gas supply/power	Check gas valve; verify 12V power; reset system.
Blower not working	Motor/obstruction	Check for debris; verify motor operation; check wiring.
Furnace cycles off	Overheat/ventilation	Check vents for blockage; ensure proper clearances.
No heat output	Gas flow/ignition	Verify gas supply; check ignition system; reset control board.
Error codes flashing	System fault	Refer to diagnostic chart; reset system; contact service.

Reset: Turn thermostat off for 5 minutes, then restart.

Service: 1-800-544-4888; www.duotherm.com