Suburban Camper Furnace Manual

The Suburban Camper Furnace is a high-efficiency heating system designed for recreational vehicles, featuring automatic ignition, multiple heat settings, safety shut-off systems, and compatibility with propane fuel sources. 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 Gas Supply 7. Operating the Furnace 8. Safety Features 9. Maintenance & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Burner assembly, blower motor, thermostat control, gas valve, heat exchanger, exhaust system.

Feature	Description
Automatic ignition	Electronic spark ignition for reliable startup
Multiple heat settings	Adjustable BTU output for temperature control
Safety shut-off	Automatic gas shut-off if flame is not detected
Blower motor	Distributes heated air throughout camper
Thermostat control	Maintains consistent temperature settings
Gas valve	Regulates propane flow to burner
Heat exchanger	Transfers heat to air while keeping combustion separate
Exhaust system	Vents combustion gases safely outside
Power requirements	12V DC operation for RV compatibility
Fuel type	Liquid propane (LP) gas

Installation

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

Mount furnace: Secure to floor or wall using provided brackets.
Connect ductwork: Attach supply and return air ducts securely.
Install venting: Connect exhaust and intake pipes to outside.
Wire electrical: Connect 12V DC power supply with proper polarity.
Connect gas line: Use approved flexible gas line with leak detection.

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

First-Time Setup

Complete installation checks before initial operation.

Check gas connections: Use leak detection solution on all fittings.
Verify electrical: Ensure 12V DC power is connected correctly.
Test ventilation: Confirm exhaust and intake are unobstructed.
Initial startup: Follow lighting procedure in operation section.
Calibrate thermostat: Set desired temperature and verify operation.

CAUTION! Never bypass safety systems. Test carbon monoxide detector before use.

Specifications

BTU Output: 16,000 - 30,000 BTU (model dependent)
Fuel Type: Liquid Propane (LP) Gas
Electrical: 12V DC, 3-5 Amps
Airflow: 100-150 CFM depending on model
Efficiency: 85%+ AFUE rating
Dimensions: Varies by model (typically 14"W x 18"H x 22"D)
Weight: 25-35 pounds
Noise Level: < 55 dB during operation
Operating Temp Range: -40°F to 120°F

Controls and Settings

Access controls via thermostat or furnace control board.

Thermostat: POWER, Temperature setting, Fan control (Auto/On), Heat level selection.

Furnace Controls: Main power switch, Reset button, Diagnostic LED indicators. Settings: Temperature calibration, Fan delay settings, Heat output levels, Safety lockout reset.

Connecting Gas Supply

Use only approved LP gas supply systems.

Turn off all gas appliances and pilot lights.
Connect flexible gas line to furnace gas valve.
Use two wrenches to prevent twisting gas valve.
Test for leaks with approved leak detection solution.
Open gas supply slowly and check all connections.

Tip: Always use approved gas connectors and follow local codes.

Operating the Furnace

Follow proper startup sequence for safe operation.

Ensure thermostat is set to desired temperature.
Set fan control to AUTO position.
Furnace will initiate startup sequence: blower purge, ignition trial, main burner ignition.
Monitor for proper flame establishment.
Adjust temperature as needed using thermostat.
To shut down: Turn thermostat below room temperature or set to OFF.

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

Safety Features

Flame rollout switch: Shuts off gas if flame escapes burner compartment. High limit switch: Prevents overheating by shutting off burner. Pressure switch: Ensures proper venting before ignition. Ignition control: Multiple trial for ignition before lockout.

Maintenance & Cleaning

Annual professional maintenance recommended. Regular cleaning: Blower wheel, burners, air filters.

CAUTION! Turn off power and gas supply before servicing. Use only approved replacement parts.

Regulatory Information

ANSI Z21.44: Certified for recreational vehicle use. CSA 4.3: Meets Canadian standards. EPA certified for emissions. For support, visit www.suburbanrv.com or contact 1-800-544-4888.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Furnace won't start	Power/thermostat	Check 12V power supply; verify thermostat settings; check fuse.
No heat output	Gas supply/ignition	Verify propane supply; check ignition system; reset lockout.
Blower runs continuously	Thermostat/fan setting	Check fan setting (AUTO/ON); verify thermostat operation.
Furnace cycles on/off frequently	Airflow/overheating	Clean air filter; check ductwork for obstructions.
Unusual odors	Dust/burning	Clean burners and heat exchanger; check for debris.

Reset: Turn power off for 30 seconds then restart.

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