PREVENTIVE
MAINTENANCE
WARNING!
If the user
of
this appliance fails to maintain
it
in the condition in which it was
shipped from the factory
or
if the appliance is not used solely for its intended purpose or if
appliance is not maintained
in
accordance with the instructions in this manual, then the risk
of
a fire and/or the production
of
carbon monoxide exisls which can cause personal injury,
property damage or
loss
of
life.
CAUTION: Label all wires before disconnecting
for
servicing. Proper polarity
must
be observed
so
the furnace
motor
will
ru
n
with
the
proper
direction
of
rotation
to
insure
correct
air delivery. (See wiring diagram).
CAUTION: Label all wires
prior
to
disconnection when servicing controls.
Wiring
error
can cause
improper
and dangerous furnace operation.
Always verify
proper
operation
of
furnace after servicing.
Your
furnace should
be
inspected
by
a qualified service agency yearly before
turning the furnace
on
. Particular attention should be given
to
the following it
ems
.
1.
Inspect furnace installation
and
vent term
in
ation
to
be
sure furnace
is
properly secured
in
place (see Installation Instructions), that vent terminates
to
the
atmosphere, and that vent tubes overlap properly (see Installing Vent
Assembly
.)
2.
Inspect chamber
and
venting to assure that
th
e
se
components are physically
sound without holes or excessive corrosion
and
that the installation
and
/
or re-installation
is
in
accordance with Suburban's installation instructions.
(Reference installation manual supplied with furnace
.)
WARNING!
It
is imperative that the products of combustion be properly vented
to atmosphere and that
all combustion air supplied
to
burner be drawn from outside
atmosphere.
3.
Check the base
on
which furnace
is
mounted.
Be
sure it
is
physically sound,
void of any sagging , deteriorati
on
, etc.
4. Inspect furnace, the venting, ducting and
gas
piping
to
furnace for obvious
signs of deterioration. Correct any defects at once.
5.
Inspect combustion chamber for restrictions
in
exhaust or intake. It
is
imperative that the fiow of intake combustion air
and
the flow of exhaust
gases being expelled
to
the outside atmosphere not
be
obstructed. Any soot
or loose debris should
be
blown out using
com
pressed air. (See Figure
7.)
6.
Inspect all gaskets. If any gaskets show signs of leakage or deterioration,
replace them. Safe operation of the furnace
dep
e
nds
on
all gaskets
being
tight.
7.
Inspect return air inlet openings
to
the furnac
e.
Remove any restrictions
to
assure adequate air fiow.
You, as the owner/user,
should
inspect
the
furnace monthly
during
the
heating season
for
presence
of
soot
on
vent. Operating the furnace under
this
condition
could
lead
to
serious property damage, personal injury
or
loss
of
life.
If
soot
is observed on
the
vent, immediately
shut
the furnace
down and
contact
a qualified service agency.
Listed below are several safety related items that you should follow during the
heating season
to
assure continued safe operation of the furnace.
1.
Inspect furnace venting. Venting must
be
free of obstructions, void of soot,
and
properly terminated to the atmosphere.
(S
ee Installing Vent Assembly.)
WARNING!
Do not install screens over the vent for a
ny
reason. Screens will become
restricted and cause unsafe furnace operation. Accessories are being marketed
for
RV
products which we do not recommend. For your safety,
only factory authorized parts are to
be used
on
yo
ur
furnace.
2. Periodically inspect the vent for obstructions or presence of soot. Soot
is
formed whenever combustion
is
incomplete. Th
is is
your visual warning that
the furnace
is
operating
in
an
unsafe manner. If soot
is
present, immediately
shut furnace down and contact your dealer or a qualified service person.
3.
Keep
furnace clean. More frequent cleaning
may
be
required
due
to
excessive lint from carpeti
ng
, bedding material, e
tc.
It
is
imperative that control
compartments, burners
and
circulating air
pas
sageways of the appliance
be
kept
clean.
4.
The motor
is
permanently lubricated and requires
no
oiling.
5.
Keep
the
furnace area clear of
any
combustible materials, gasoline or other
flammable vapor
and
liquids.
6. Before operating furnace, check the location of
the
furnace vent
to
make
sure it
will not
be
bloc
ke
d
by
the opening of any door on the trailer. If it
can
be
blocked,
do
not operate the furnace with the door
open
.
7.
Do
not
restrict the flow of combustion air or
th
e
warm
air circulation
to
the
furnace.
To
do
so
could
cause personal injury
and
/
or
death.
8.
Never operate the furnace if
you
smell gas. Do not assume that the smell of
gas
is
nonnal. Any time you detect the odor of gas,
it
is
to
be
considered
life
threatening
and
corrected immediately. Extingui
sh
any
open
flames including
cigarettes
and
evacuate
all
persons from the vehicle. Shut off gas supply at
LP
gas bottle. (See safety notice
on
front cover of this manual.)
9.
Immediately shut furnace down
and
call a service agency if furnace cycles
erratically or delays
on
ignition.
WARNING!
Should overheating occur, or the gas supply fail to shut off, shut off the
manual gas valve
to the
appliance before shutting off the
el
ectrical suppl
y.
10
. Never attempt to repair damaged parts.
Alwa
ys have them replaced
by
a
qualified service agency.
11
. Never attempt
to
repair the furnace yourself. Seek the help of a qualified
service person.
12
. Never restrict the ducting installed
by
your
tr
ailer manufacturer.
To
do
so
could cause
im
proper furnace operation.
4
13.
Do
not install air boosters
in
the duct system.
Such
devices will cause the
furnace
to
cycle and
to
have erratic sail switch operati
on
.
14. Clothing or other flammable material should not
be
placed
on
or near the
appliance.
15. Always follow the operating instructions.
Do
not deviate from the step-by-step
procedures.
16.
Do
not use this appliance if any part has been submerged under water.
Immediately call a qualified service technician
to
inspect the appliance and
to
replace any part of the control system
and
any gas control that has been
submerged under water.
17. When considering add-on rooms, porch or patio, attention must
be
given
to
the venting of your furnace. For your safety, do not terminate furnace vent
inside add-on rooms, screen porch or onto patios. Doing
so
will result
in
products of combustion being vented into the room or occupied areas.
18.
In
any installation
in
which the vent of this appliance
can
be
covered due
to
the construction of the
RV
or
some special feature of the
RV
such
as
sl
ide out,
pop-up, etc. always insure that the appliance cannot
be
operated
by
setting
the thermostat to the
pos
itive "
OFF
" position and shutting off all electrical
and
gas supply
to
the appliance. Never operate furnace with vent covered.
INSTALLATION
AND
REMOVAL
OF
UNIT
INSTALLED
FROM
INSIDE
TO REMOVE
1. Disconnect power supply at furnace.
2. Remove vent cap assembly.
3.
Disconnect gas connections.
4.
Remove cabinet front
(2
screws).
5. Remove tie-down screw from center of unit
and
remove furnace from cabinet.
TO INSTALL
1.
Slide unit into cabinet. NOTE: Care must
be
taken
in
routing wiring
to
back
of
cabinet and outside
of
cabinet.
2.
Reinstall tie-down screw.
3. Reinstall cabinet front.
4.
Connect gas line.
5.
Check gas connections for leaks using a soap and water solution. Correct any
gas leaks immediately.
6.
Reinstall vent cap assembly.
INSTALLATION
AND
REMOVAL
OF
UNIT
WHEN
OPTIONAL
BACK
IS
USED
TO REMOVE
1. Break power
to
furnace.
2. Remove vent
cap
assembly.
3.
Remove optional back.
4.
Disconnect power supply at furnace.
5. Disconnect power supply plug from module board.
6.
Disconnect electrode wire from module board.
7. Remove the two
(2)
screws securing module board
and
panel assembly
to
firewall and pull out assembly. EXERCISE CARE NOTTO DAMAGE BOARD.
NOTE: This will allow more room for making the gas connections at the flare
fitti
ng
. It will
be
necessary to hold
the
flare fitting with a wrench when tightening
or loosening the gas line.
8. Remove gas line.
9.
Remove tie-down screw at blower base
and
remove furnace from cabinet.
TO REINSTALL
1.
Slide unit into cabinet
and
secure with sc
rew
at base of blower.
2.
Connect gas line.
3. Check gas connections for leaks using a soap
and
water solution. Correct any
gas
lea
ks immediately.
4.
Reinstall module board and panel assembly.
5. Reconnect electrode wire
to
board
6.
Reconnect power supply
to
board.
7. Reconnect power to furnace. NOTE: If
th
is
connection was made inside the
cabinet, care must be exercised
to
prevent wires from coming
in
contact with
the room air blower wheel.
8.
Re
install optional back.
9.
Re
install vent cap.
10. Provide power
to
furnace.
OPERATING
INSTRUCTIONS
WARNING!
Do not operate furnace while vehicle is
in
motion or being towed.
NOTE: During
in
itia
l firi
ng
of this furnace, a burn-off of excess paint
and
oils
remaining
from
manufacturing process
may
cause
"s
moking" for 5 - 1 O minutes.
1. Stop!
Read
Users Information Manual supplied with furnace.
2.
Turn the manual
va
lve (if
so
equipped) or the valve at the outside
LP
tank
to
the "
OFF
" position.
Do
not force.
3.
Set thermostat above room temperature
to
begin blower operation. A slight
delay will occur before the blower comes
on
. Allow blower to r
un
for 5 minutes
for combustion chamber purge cycle. If blower does not come
on
or stops
before ignition cycle,
go
to
shut down
and
contact your dealer or a local
recreational vehicle
service agency.
4.
After 5 minutes, move thermostat lever below room temperature. Blower will
remain
on
.
Wa
it
approximate
ly
2 minutes for blower
to
go off.
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