Suburban SF-25F User Manual

SUBURBAN MANUFACTURING COMPANY
676 Broadway Street
Dayton, Tennessee 37321
USER’S INFORMATION MANUAL
For Models
SF-20 • SF-25 • SF-30 • SF-35 • SF-42
SF-20F • SF-25F • SF-30F
SF-35F • SF-42F
SFV-20 • SFV-25 • SFV-30 • SFV-35
SFV-42
SFV-20F • SFV-25F • SFV-30F
SFV-35F • SFV-42F
SH-35 • SH-42 • SH-35F • SH-42F •
SHD-2542
This book contains instructions covering the operation and
maintenance of your furnace. Keep with unit at all times.
INSTALLER: LEAVE THIS MANUAL WITH THE APPLIANCE.
CONSUMER: RETAIN THIS MANUAL FOR FUTURE REFRENCE.
Should you require further information, contact your dealer or nearest
Suburban Service Center.
WARNING! Installation of this appliance
must be made in accordance with the
written instructions provided in this
manual. No agent, representative or
employee of Suburban or other person
has the authority to change, modify or
waive any provision of the instructions
contained in this manual.
WARNING! Improper installation,
adjustment, alteration, service or
maintenance can cause property damage,
personal injury or loss of life. Refer to the
installation instructions and/or owners
manual provided with this appliance.
WARNING! Be sure the furnace and all
ignition systems are “OFF” during any
type of refueling and while vehicle is in
motion or being towed.
WARNING: If the information in this
manual is not followed exactly, a fire or
explosion may result causing property
damage, personal injury or loss of life.
Do not store or use gasoline or other
flammable vapors and liquids in the
vicinity of this or any other appliance.
WHAT TO DO IF YOU SMELL GAS
• Extinguish any open flame.
• Evacuate all persons from the vehicle.
• Shut off the gas supply at the gas
container or source.
• Do not touch any electrical switch, or
use any phone or radio in the vehicle.
• Do not start the vehicle’s engine or
electric generator.
• Contact the nearest gas supplier or
qualified service technician for repairs.
• If you cannot reach a gas supplier or
qualified service technician, contact the
nearest fire department.
• Do not turn on the gas supply until the
gas leak(s) has been repaired.
Installation and service must be
performed by a qualified installer,
service agency or the gas supplier.

Suburban SF-25F Specifications

General

Brand	Suburban
Model	SF-25F
Category	Furnace
Language	English

Summary

General Safety Warnings

Fueling and Vehicle Operation Safety

Ensure furnace and ignition systems are OFF during refueling and while vehicle is in motion or being towed.

Fire and Explosion Hazard Warning

Failure to follow manual instructions may cause fire or explosion, leading to property damage or injury.

Gas Leak Detection and Response

Procedure for responding to a gas smell: extinguish flames, evacuate, shut off gas, avoid sparks.

Installation and Service Safety

Appliance installation and service must be performed by qualified personnel as per manual instructions.

Maintenance and Cleaning Procedures

Vent Inspection and Soot Detection

Periodically inspect vent for obstructions and soot. Shut down if soot is present.

Burner Flame Observation

Observe main burner flame for correct blue flame. Shut down if flame is yellow or lazy.

Furnace Cleanliness and Airflow

Keep furnace clean, clear area of combustibles, and do not restrict airflow or vent.

Gas Smell Prohibition

Never operate the furnace if you smell gas; treat as life-threatening and correct immediately.

Yearly Service Inspection

Annual inspection by qualified agency for installation, venting, components, and gaskets.

Operating Instructions

Pre-Operation Safety Checks

Read manual, ensure gas supply is off, and smell for gas around the appliance.

Startup Procedure

Set thermostat, allow purge cycle, open gas valve, set thermostat, wait for ignition.

Ignition and Burner Operation

Appliance has automatic ignition. Do not light manually. Repeat steps if burner fails to light.

Shutdown Procedure

Set thermostat to lowest setting, turn manual valve to OFF, disconnect electric power if servicing.

Warranty Information

Two Year Limited Warranty

Covers defects in material and workmanship for two years from purchase date. Proof of purchase required.

Three Year Limited Warranty (Heat Exchanger)

Extends heat exchanger warranty for an additional three years, excluding labor reimbursement.

Limitations and Exclusions

Excludes normal maintenance, improper installation, misuse, alteration, and external damage.

Product Problem Resolution

Steps for resolving product issues: contact dealer, recommended service center, or customer service.