Suburban SF-20 Installation Instructions Manual

uburban
Manufacturing Company
ms
S U B U R B A N M A N U F A C T U R I N G COMPANY
P o s t O f f i c e B o x
399
Dayton, T e n n e s s e e 37321
SUBURBAN GAS FURNACES
C E R T I F I E D
INSTALLATION INSTRUCTIONS
FOR MODELS
SF-20 SF-25 SF-30 SF-35
The design of the furnace has been listed for installation i n recreational vehicles only. In order for the furnace to operate in conformity with generally accepted
safety regulations, the installation instructions must be followed. Failure t o comply with the installation instructions will void the warrantyon the furnaceand
any responsibility on the part of Suburban Manufacturing Company.
The furnace was inspected before i t left the factory. If any parts are found to be damaged, do not install the furnace. Immediately contact the transportation
company and file a claim.
FOR YOUR SAFETY
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.
FOR YOUR SAFETY
DO NOT STORE OR USE GASOLINE OR
OTHER FLAMMABLE VAPORS AND
LIQUIDS IN THE VICINITY OF THIS OR
ANY OTHER APPLIANCE.
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.
WARNING! Improper installation,
adjustment, alteration, service or
maintenance can cause property damage,
personal injury or loss of life. Refer to the
installation instructions andlor owners
manual provided with this appliance.
Installation and service must be
performed by a qualified installer, service
agency or the gas supplier.
This book contains instructions covering the operation and maintenance of
your furnace. Keep with unit at all times.
Should you require further information, contact your dealer or nearest
Suburban Service Center.
INSTALLATION INSTRUCTIONS
WARNING! Installation ofthis appliance must bemadein accordance with
the written instructions provided i n this manual. No agent, representative
or employee of Suburban or other person has the authority t o change,
modify or waive any provision of the instructions contained i n this
manual.
CAUTION: This furnace was shipped from the factory set up for the gas
connection to be made at the right rear of the unit as illustrated i n Figure I.
If you wish t o make gas connection through the top of cabinet, you must
remove furnace from cabinet and turn gas inlet fitting 90" CLOCKWISE. DO
NOT TURN FITTING COUNTER-CLOCKWISE, this will loosen fitting and
result i n a gas leak.
These furnaces are designed and installed in such a manner as to be removable
only from the exterior of the recreational vehicle.
CAUTION: If possible, do not install the furnace t o where the vent can be
covered or obstructed when any door on the trailer is opened. If this i s not
possible, then the travel of the door must be restricted i n order t o provide
a 6" minimum clearance between the furnace vent and any door whenever
the door is opened.
NOTE: The exhaust
of this furnace could discolor or warp some
NOTE. These furnaces must be installed and vented as described in this manual
materials. you should verify that the material used on the coach door, panel, or SO
that Ihe negative pressure created by the air circulating (return air) fan cannot
cover will not discolor or warp from the temperature whenever any door,
affect the combustion air intake or venting of any other appliance. I I is imperative
panel, or cover is in the open position.
that the products of combustion be properly vented to the atmosphere and that all
combustion air supplled to burner be drawn from the outside atmosphere. (See
CAUTION: Due t o the differences i n vinyl siding, this appliance should not Installing Vent Assembly.)
be installed on vinyl siding without first consulting with the manufacturer of
the siding or cutting the siding away from the area around the appliance
NOTE: Do not Install the furnace with the vent facing toward the forward end of
.
vent.
the coach.
CAUTION: In any installation in which the vent of this appliance can be
IMPORTANT: If this furnace is to be connected to a common duct system also
covered due t o the construction of the RV or some special feature of the RV
sewing a cooling unit, a manual or automatic damper is required to prevent any
such as slide out, pop-up etc. always insure that the appliance cannot be
cold conditioned air from circulating back into the furnace. Cold air passing over
operated by setting the thermostat to the positive
position and
the furnace combustion chamber during theoperation ofthecooling unit can result
shutting off all electrical and gas supply to the appliance. Never operate
in the formation of condensation inside the furnace combustion chamber. This
furnace with vent covered.
condensation may promote corrosion and premature failure of the combustion
chamber.
Form No. 2549-C