USER’S INFORMATION MANUA
MODEL 368RAN
OIL FURNACE
NOTE TO INSTALLER:
This manual must be left with the equipment user.
!
WARNING: If the information in this manual
is not followed exactly, a fire or explosion could
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.
L
— WHAT TO DO IF YOU SMELL OIL:
— Do not try to light any appliance.
— Do not touch any electrical switch; do not use
any phone in your building.
• Immediately call your fuel supplier from a
neighbor’s phone. Follow the fuel supplier’s
instructions.
• If you cannot reach your fuel supplier, call the
fire department.
— Installation and service must be performed by a
qualified installer, service agency or the fuel
supplier.
Do not use this furnace if any part has been under
water. Immediately call a qualified service technician to inspect the furnace and to replace any part
of the control system and any oil control which
has been under water.
!
WARNING: CARBON MONOXIDE POISONING HAZARD
Failure to follow this warning could result in personal injury or death.
Carbon Monoxide is invisible, odorless, and toxic! Bryant recommends a carbon monoxide
alarm in your home, even if you do not own a gas appliance. Locate the carbon monoxide
alarm in the living area of your home and away from gas appliances and doorways to
attached garages. Follow the alarm manufacturer’s instruction included with the alarm.
WELCOME TO A
NEW GENERATION
OF COMFORT
Congratulations! In light of rising
energy costs, the 368RAN Variable Speed Low-Boy Oil Furnace
is among the soundest investments
today’s homeowner can make.
Your new furnace is truly a triumph of technology in home heating. Its unique silencer within the
heat exchanger, insulated cabinet,
and rubber blower mounts make it
among the quietest units on the
market. Variable speed technology
creates more comfortable heating
and cooling cycles, allows you to
economically run a constant fan,
and eliminates temperature difference throughout the house. The
combustion chamber is stainless
steel for long life and it heats up
quickly resulting in higher energy
efficiency.
With only minimal care, your new
furnace will deliver many years of
money-saving home comfort and
enjoyment. Spend just a few minutes with this manual to learn the
operation of your new furnace and
the small amount of maintenance
it takes to help keep it operating at
peak efficiency year after year.
1
MODEL 368RAN LOW-BOY FURNACE
INSTALLATION DATA
Date Installed
Dealer Name
Address
City
State Zip
Telephone
FURNACE
Product No.
Model No.
Serial No.
SPLIT-SYSTEM
OUTDOOR UNIT:
Product No.
Model No.
Serial No.
INDOOR COIL:
Product No.
Model No.
Serial No.
ACCESSORIES
Product No.
Model No.
Serial No.
2
FURNACE COMPONENTS
6
7
8
5
9
10
4
3
X
C
H
5
U
4
M
3
7
N
12
6
3
H
D
E
S
E
U
C
N
U
A
O
C
T
O
O
L
S
E
N
S
D
A
T
2
A
E
L
C
O
N
1
2
C
Y
R
W
G
11
2
12
1
13
1
Variable Speed blower circulates air across the
heat exchanger to transfer heat into the home.
2
Access door to air filters and blower.
3
Air filters.
4
Unique silencer system eliminates combustion
noise.
5
Return-air plenum.
6
Stainless steel combustion chamber.
7
Heat exchanger designed and shaped to efficiently transfer heat from furnace into the home.
8
Supply-air plenum.
9
Fully insulated internal walls minimize heat
loss.
10
High limit control prevents overtemperature.
11
Adjustable electronic fan control (inside) with
low voltage electrical terminal strip for easy
connection of thermostat, cooling control, electronic air cleaner, and humidifier.
12
Aesthetic removable cabinet hides and protects
burner and controls.
13
High-performance oil burner.
2
3
!!!
3
IMPORTANT FACTS
Your furnace must have adequate
airflow for efficient combustion
and safe ventilation. Do not
enclose it in an airtight room or
“seal” it behind solid doors.
To minimize the possibility of
serious personal injury, fire, furnace damage, or improper operation,
carefully follow these
safety rules:
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 cover the furnace, store
trash or debris near it, or in any way
block the flow of fresh air to the
unit.
• Combustion air must be clean and
not contaminated with chlorine or
fluorine. These compounds are
present in many products around
the home, such as: water softener
salts, laundry bleaches, detergents,
adhesives, paints, varnishes, paint
strippers, waxes, and plastics.
Make sure the combustion air for
your furnace does not contain any
of these compounds. During remodeling be sure the combustion
air is fresh and uncontaminated. If
air with vapors of these compounds is burned in your furnace,
the heat exchangers and metal vent
system may deteriorate.
NOTE:
any part has been under water.
Do not use this furnace if
Immediately call a qualified service technician to inspect the furnace and to replace any part of the
control system, electrical components, and any oil control which
has been under water.
NOTE:
The qualified installer or
agency must use only factoryauthorized replacement parts, kits,
and accessories when servicing
this product.
The furnace burner control has a
safety device which must be manually reset. If the furnace is left
unattended for an extended period
of time, have it checked periodically for proper operation. This
precaution will prevent problems
associated with no heat, such as
frozen water pipes, etc.
SAFETY
CONSIDERATIONS
Installing and servicing of heating
equipment can be hazardous due to
oil and electrical components.
Only trained and qualified personnel should install, repair, or service
heating equipment.
Untrained personnel can perform
basic maintenance functions such
as cleaning and replacing air filters.
All other operations must be performed by trained service personnel. Observe safety precautions in
this manual, on tags, and on labels
attached to the furnace and other
safety precautions that may apply.
Recognize safety information.
This is the safety-alert symbol .
When you see this symbol on the
furnace and in instructions or manuals, be alert to the potential for
personal injury.
Understand the signal words —
DANGER, WARNING, and CAUTION. These words are used with
the safety-alert symbol. DANGER
identifies the most serious hazards
which
result in severe personal
will
injury or death. WARNING signifies
hazards which
could
result in personal injury or death. CAUTION is
used to identify unsafe practices
which
result in minor personal
may
4
!
injury or product and property damage. NOTE is used to highlight suggestions which will result in
enhanced installation, reliability or
operation.
WARNING
FIRE, EXPLOSION, CARBON
MONOXIDE POISONING
HAZARD
Failure to follow this warning
could lead to sooting, fire, explosion, and/or severe bodily
harm.
For use with grade 2 Fuel Oil
maximum. Do not use gasoline, crankcase oil, or any oil
containing gasoline!
CAUTION
FIRE AND UNIT OVERHEAT
HAZARD
Failure to follow this caution
may result in unit and property
damage.
Never burn garbage or paper
in the heating system and never leave rags, paper, or any
flammable items around the
unit.
STARTING YOUR
FURNACE
This appliance is equipped with an
ignition device which automatically
lights the burner each time the thermostat starts your furnace.
these important safeguards:
Follow
WARNING
FIRE AND EXPLOSION
HAZARD
Failure to follow this warning
could result in personal injury,
death or property damage.
This furnace is equipped
with a constant type primary
ignition system. DO NOT
ATTEMPT TO LIGHT WITH A
MATCH.
4
5
6
7
8
9
!
DANGER
ELECTRICAL SHOCK HAZARD HIGH VOLTAGE AT
IGNITER.
Severe electrical shock, personal injury, or death will
result.
• If a suspected malfunction occurs
with your oil control system, such as
the burner not lighting when it
should, refer to the “Shutting Down
Your Furnace” section and call your
dealer as soon as possible.
CHECK AIR FILTERS:
Before
attempting to start your furnace, be
sure the furnace air filters are clean
and in place. See “Performing Routine Maintenance” section in this
manual. Then proceed as follows:
STEPS FOR STARTING
YOUR FURNACE
1. Open all warm air registers and
make sure that all return-air
grills are unobstructed.
2. If a humidifier is installed with
your system, open the water
supply valve.
3. Make sure blower access door is
secured in place.
4. Set your room thermostat to the
lowest temperature setting. (See
Fig. 5.)
®
5. Turn on electric power to the
furnace. (See Fig. 6.)
6. Open the oil supply valve. (See
Fig. 7.)
7. Check all connections to ensure
there are no leaks.
8. Set room thermostat to a temperature slightly above room
temperature. This will automatically signal the furnace to
start.
9. When the thermostat calls for
heat, power from the transformer energizes the fan control
board. The fan control energizes
the ignition control. The ignition
control will automatically light
the burner.
The electronic fan control automatically turns on the blower.
The air moved over the heat
exchanger by the blower is
warmed and passes through the
ducts to the room registers.
This unit is equipped with a continuous ignition control. If the
main burner does not ignite
within 30 sec from the call for
heat, the control will lock out.
The red button on top of the control must be depressed for 3 sec
in order to reset the control. The
control CANNOT be reset from
the room thermostat.
10.Set your thermostat to the temperature that satisfies your comfort requirements.
SUGGESTION: Setting the thermostat back a few degrees and
compensating for the difference
with warmer clothing can make a
big difference in your fuel consumption on extremely cold
days. The few degrees at the top
of your thermostat “comfort
level” are the most costly degrees
to obtain.
When room temperature drops
below the temperature selected
on the thermostat, the furnace
will be switched on automatically. When room temperature
reaches the degree selected on
the thermostat, the furnace will
be switched off automatically.
Some thermostats have a FAN
mode with 2 selections, AUTO
and ON. When thermostat is set
to AUTO, the furnace blower
cycles on and off, controlled by
the thermostat. In ON mode,
the furnace blower runs continuously. This keeps the temperature level in your home more
evenly balanced. It also continuously filters the indoor air.
SHUTTING DOWN
YOUR FURNACE
Should you need to shut down your
furnace for service or maintenance, you will need to turn the
furnace off. The following procedures must be followed:
1. Set the thermostat to the lowest
setting. (See Fig. 8.)
®
2. Turn off all electrical power to
the appliance. (See Fig. 9.)
3. Close the oil supply valve.
(See Fig. 10.)
5
4. If applicable, turn off water sup-
!
ply to humidifier.
5. If furnace blower will be necessary for cooling system, remember to turn electric power back
on when needed for air conditioning.
6. If the furnace is being shut down
because of a malfunction, call
your dealer as soon as possible.
10
14
CAUTION
UNIT OVERHEAT HAZARD
Failure to follow this caution
may result in damage to the
furnace blower motor, over
heat the heat exchanger and
reduce the efficiency.
Never operate your furnace
without the air filters in place.
The air filters are located in the
blower compartment installed in
11
an internal filter rack which is provided as standard equipment with
furnace. (See Fig. 2.) To inspect,
clean, and or replace air filters, follow these steps:
1. Turn off electrical supply to furnace. (See Fig. 11.)
2. Remove blower access door in
rear of furnace. (See Fig. 13.)
Lift door up, then out using handle on blower access door.
ALWAYS KEEP MAIN OIL
VA LVE TURNED OFF IF
BURNER IS SHUT DOWN FOR
AN EXTENDED PERIOD OF
TIME.
PERFORMING
ROUTINE
MAINTENANCE
With proper maintenance and care,
your furnace will operate economically and dependably. Instructions
for basic maintenance follow. However, before beginning maintenance,
follow these safety precautions:
!
WARNING
ELECTRICAL SHOCK
HAZARD
Failure to follow this warning
could result in personal injury or death.
Turn off all electrical power to
furnace before performing
any maintenance or service
on unit.
12
!
CAUTION
CUTS HAZARD
Failure to follow this caution
may result in minor personal
injury.
Although special care has
been taken to minimize sharp
edges, be extremely careful
when handling parts or
reaching into the furnace.
FILTERING OUT
TROUBLE
Dirty air filters will cause a loss of
airflow in your duct system. When
excessive loss of airflow occurs,
the furnace may cycle on its safety
controls. If this condition is left
unattended, the furnace will eventually lock out. It is recommended
that the furnace air filters be
checked every 3 or 4 weeks and
cleaned or replaced as necessary.
2
13
3. Remove air filters from furnace.
a. Remove filter resting in filter
rack at an angle in front of
blower first. Slide filter back
to clear filter rack ends then
lift up and out of filter rack
and blower compartment.
(See Fig. 14.)
2
1
b. Remove second filter lying
above blower. Slide filter
toward rear of furnace and
out of blower compartment.
(See Fig. 15.)
1
6
15
4. Inspect the filter. If torn, replace
it.
NOTE: If filter that was shipped
with furnace has been replaced
with an electronic air cleaner
(EAC), refer to the EAC Owner’s
Manual for maintenance information.
5. The filters shipped with the furnace are disposable. If they are
dirty, they must be replaced. If
your furnace air filter needs to
be replaced, be sure to use the
same size and type of filter that
was originally supplied. Use the
furnace filter table and compare
your furnace size with the
proper filter size.
FURNACE AIR FILTER TABLE
FURNACE
CASING
DEPTH
(IN.)
53-3/4 (2) 12 X 20 X 1 Disposable
60-5/32 (2) 16 X 20 X 1 Disposable
FILTER
QUANTITY
AND SIZE
(IN.)
FILTER
TYPE
If you have replaced the factoryprovided disposable filters with
permanent washable filters, they
may be cleaned if they are dirty.
Wash filters in a sink, bathtub, or
outside with a garden hose. Always
use cold tap water. A mild liquid
detergent may be used if necessary.
Spray water through filter in the
opposite direction of airflow.
Allow filter to dry.
6. Reinstall clean air filters by
reversing procedure in item
3 above.
7. Replace blower access door.
(See Fig. 16.)
8. Turn on electrical supply to
furnace.
2
1
16
A CHECK-UP
CHECKLIST
Your furnace represents an important investment in your family’s
comfort and your home’s value. To
keep it performing properly and as
a preventative to future problems,
have a trained service specialist
give your furnace a professional
check-up annually. The following
checklist can be used as a guideline
to proper service:
• Check flue and secondary tube
passage ways including chimney —
clean if necessary.
• Change oil filter.
• Change nozzle.
• Check and adjust combustion and
draft.
• Inspect all vent piping inside structure for deterioration and vent terminations outside the structure for
blockage.
• Check oil pipes leading to and
inside of your furnace for leaks.
• Inspect and clean the blower motor
and wheel.
• Inspect and change or clean air filters if necessary.
• Inspect all supply- and return-air
ducts for obstructions, air leaks, and
insulation. Remedy any problem
when necessary.
• Inspect the return-air duct connections at the furnace to ensure it
is physically sound, sealed to
the furnace casing, and terminates
outside the space containing the
furnace.
• Inspect electrical wiring, connections, and components for loose
connections.
• Examine the physical support of
the furnace. Support should be
sound with no cracks, sagging, gaps,
etc. around the base.
• Check furnace for any obvious
signs of deterioration.
BEFORE YOU REQUEST
A SERVICE CALL
If your furnace is not operating or
not performing properly, you may
save the expense of a service call
by checking a few things yourself
before calling for service.
FOR INSUFFICIENT AIRFLOW:
• Check for dirty air filters.
• Check for blocked return-air or
supply-air grilles throughout your
home. Ensure they are open and
unobstructed.
If problem still exists, call your
dealer for service.
IF FURNACE FAILS TO
OPERATE:
Follow this checklist step by step,
advancing to the next step only if
furnace fails to start.
• Check thermostat for proper temperature. Is thermostat set above
room temperature?
• Is thermostat set on HEAT?
• Check fuses and circuit breakers.
Is electrical supply on?
• Is valve in oil supply pipe in open
position?
• Is the ignition control on the burner
7
not in lockout? The red button on top
of the control must be depressed for 3
sec in order to reset the control.
• Check for obstructions around the
vent termination.
If the furnace still fails to operate,
call your service representative. For
your convenience, record the furnace product and serial numbers on
page 2. Should you ever require
service, you will have ready access
to the information needed by your
service representative.
© 2004 Bryant & Heating & Cooling Systems, 7310 W. Morris St. Indpls., IN 46231 Printed in U.S.A.
Cancels: New OM16-15
Catalog No. 5336-801 12-04
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