COLEMAN Furnace/Heater, Gas Manual L0611387

User Manual: COLEMAN COLEMAN Furnace/Heater, Gas Manual COLEMAN Furnace/Heater, Gas Owner's Manual, COLEMAN Furnace/Heater, Gas installation guides

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OWNER'S MANUAL
SEALED COMBUSTION
DOWNFLOW
GAS

FURNACE

WARNING
FOR YOUR SAFETY - Do not store or use gasoline or other flammable vapors
and liquids in the vicinity of this or any other appliance.
improper installation, adjustment, alteration, service or maintenance can cause
property damage, personal injury or loss of life. Installation and service must be
performed by a qualified installer, service agency or the gas supplier. Do not
store or use gasoline or other flammable vapors and liquids in the vicinity of this
or any other appliance.
Never attempt to modify this furnace. Fire, explosion, or asphyxiation may
result. If malfunction occurs, obtain the assistance of a qualified service agent.
If not installed, operated, and maintained in accordance with the manufacturer's
instructions, this product could expose you to substances in fuel or from fuel
combustion which are known to the State of California to cause cancer, birth
defects or other reproductive harm. Also, operation, installation and servicing of
this product could expose you to airborne particles of glasswool fibers known to
the State of California to cause cancer through inhalation.
Use of furnace or air conditioning components that are not included in the Intertek Testing Services (ETL) certification of this appliance may create a hazard,
will invalidate the certification, and will in many states make installation illegal.
UL listed air conditioning components are specified on the furnace label.

I CAUTION'
Before placing furnace in service, it must be checked to make sure it is equipped
for the type of gas being used. Failure to observe this caution may result in
unsafe operation, explosion, and/or fire or asphyxiation. Use of other components not tested in combination with this furnace may make the equipment in
violation of State Codes, may create a hazard, and may ruin the equipment.

035-16329-002 Rev. B (0304)

onBratuL_tion_...

On your purchase of one of the most versatile furnaces available in the industry today. This compact, energy-efficient furnace
has been precision designed, manufactured of high-quality materials and has passed many rigorous inspections and tests to
ensure many years of satisfactory service. This booklet is meant to increase your understanding of your unit, tell you how to
operate it e_ciently and how to obtain the greatest measure of comfort at the lowest operating expense. Please read this booklet thoroughly. We appreciate your interest in our product and your decision to purchase our furnace. Enjoy your comfort.

INTRODUCTION

Furnace problemscaused by
installationof air conditioner,
heat pump, or other air quality
device which is not approved.

Problems caused by improper
installationof the furnace flue
assembly (roofjack).

WARRANTY
AND
RESPONSIBILITIES
It is the sole responsibility of the
home owner to make certain that
the gas furnace has been correctly
set up and converted to the proper
fuel (Propane or Natural gas) and
adjusted to operate properly.
The manufacturer warrants the furnace to be free from defects in
material or workmanship for the
stated time in the warranty agreement (see warranty certificate
packed with the furnace).
However, the manufacturerwill not
be responsiblefor any repair costs
to correct problems due to
improper set-up, improper installation, furnace adjustments, improper
operating procedure by the user,
etc.
Some specific examples of service
calls which cannot be included in
warranty payments are:
1. Converting the furnace to use
another type of gas.
2.

Correcting faulty duct work in
the home.

Correcting wiring problems in
the electrical circuit to the furnace.

Resetting circuit breakers or
other switches.

5. Adjusting the burner air shutter or service calls made to correct problems caused by
improper air adjustment.
6.

Correctingproblemscaused by
improper gas supply pressure
to the furnace.
Instructionaltraining on how to
light and operate furnace.

proper size odfice is used, as specified on the furnace name plate.

IA CAUTION
j
The furnace must be
converted by a qualified
technician.
Improper
conversion can cause
unsafe operation, explosion, and/or fire or
asphyxiation.

10. Adding a roofjack extension
because of unusualwind conditions or snow conditions.
11. Adjusting or calibrating the
thermostat.
12. Problems caused by constructiondebds which has fallen into
the flue or combustion air
openings.
13. Replacement of fuses.
14. Problems caused by odfice
plugged or restricted by spider
webs.
You should establish a firm understanding of these responsibilities
with your manufactured housing
dealer, service company or gas
supplier so there will be no misunderstanding at a later time.
GAS

SUPPLY

The gas supply to your home will
either be Natural Gas or Propane
gas. Your furnace will be factory
equipped to operate on only one of
these two differentgases.
A small metal tag secured to the
fumace next to the gas valve will
specify the type of gas your furnace is equipped to use.
If the gas is different from that
specified on the metal tag, the furnace can be converted by following
the instructions on the furnace
safety label inside lower front
panel. Parts for conversion are
contained in the small bag attached
to the gas valve. Be sure the

Natural Gas Operation
The fumece is designed for 7" W.C.
inlet pressure. Pressure is reduced
to 3 1/2" W.C. by the pressure regulator in the gas valve.
Propane Gas Operation
Inlet pressure to the gas valve
must be 11" W.C. When properly
converted to Propane gas, the
pressure is regulated at 10" W.C.
SAFETY

INFORMATION

For your safety read before lighting.
1. The first lightingof the furnace
after any home setup must be
performed by a qualified service technician.
If this appliance has a pilotthat
must be lit by hand, follow
these instructionsexactly.
3. BEFORE LIGHTING smell all
around the furnace for gas. Be
sure to smell next to the floor
because some gas is heavier
than air and will settle on the
2.

floor.

Unitary Products Group

035-16329-002 Rev. B (0304)

WHAT TO DO IF YOU SMELL
GAS:

DO not try to light any appliance.
Do not touch any electric
switch and do not use any
phone in your building.
Immediately call your gas supplier from a neighbor's phone.
Follow the gas supplier's
instructions. If you cannot
reach your gas supplier, call
the fire department.
4.

Use only your hand to move
the gas control lever or switch.
Never use tools. If the lever or
switch will not move by hand,
don't try to repair it. Call a qualified service technician. Force
or attempted repair may result
in a fire or explosion.
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 controlsystem and
any gas controlwhich has
been under water.

INSTRUCTIONS FOR
STANDING PILOT
MODELS
LIGHTING

INSTRUCTIONS

1. STOP! Read the Safety Information.
2. Set the thermostat to the lowest setting.
3. Turn off all electrical power to
the appliance.
4. Remove the furnace doors.
5.

Push in the gas control lever
slightlyand move right to
"OFF". DO NOT FORCE.

Unitary Products Group

Wait ten (10) minutes to clear
out any gas. Then smell for
gas, including near the floor. If
you smell gas, STOP! Follow
Step 3 in the Safety Information above. If you don't smell
gas, go to the next step.

Open hinged observation door,
the pilot is found at the end of
the pilot shield on the left side
of the burner.

Slightly depress the gas control
lever and move it to the left to
the "ON" position and release;
then move it to the "PILOT"
position.
Move the control lever to "SET"

and hold. Immediately light the
pilot with a match (use match
holder provided). Continue to
hold the control lever for about
one (1) minute after the pilot is
lit. Release the lever and it will
spring back to the =PILOT"
position. Pilot should remain lit.
If it goes out, repeat steps 5
through 9 above.
If the lever does not spdng
back when released, stop and
immediately call your service
technician or gas supplier.
If the pilot will not stay lit after
several tdes, move the gas
control lever to =OFF" and call
your service technician or gas
supplier.

To Turn off Gas to Appliance
1. Set the thermostat to the lowest setting.
2.

3.
4.

Move gas control switch to
=OFF" position. DO NOT
FORCE.

Replace the furnace doors.
GAS CONTROL LEVER

PRESSURE
REGULATING
DEVICE

FIGURE I:STANDING PILOT
GAS VALVE

SEQUENCE OF
OPERATION
1. On a call for heat, the thermostat contacts close, supplying
24 VAC to the gas valve.
2.

10. Move the gas control lever to
"ON".
11. Replace the furnace doors.
12. Turn on all electric power to the
furnace. Set the thermostat to
"HEAT" and/or the desired temperature setting. Set the ONOFF-FAN switch to =ON".
In the event of any flashback or
explosion, immediately shut off
the furnace and call your service
technician.

Turn offall electdc powerto the
appliance if service is to be
performed.
Remove the furnace doors.

When the gas valve is energized it initially opens at a
reduced flow and opens fully
after approximately 30 seconds.

3. About 1-2 minutes after the
burner lights, the furnace air
circulation blower will come on.
4.

When the cell for heat is satisfied the thermostatcontacts
open, the gas valve shuts off
gas flow.

After the burner shuts off, the
air circulationblower will continue to run for 2-4 minutes,
until the furnace has cooled.

035-16329-002

Rev. B (0304)

THE FURNACE CONTROLS
AND THEIR FUNCTION
1.

warm weather and heat from
the pilot. This is normal operation as long as there is power
to the furnace and the ONOFF-FAN switch is at the "ON"
position. IF blower operation is
not desired, the ON-OFF-FAN
switch may be set in the "OFF"
positionto cut the electrical
power to the furnace.

=ON-OFF-FAN" switchturns
electrical power to the furnace
on and off. The switch must be
set in the "ON" position for the
furnace to operate. To run the
blower continuously without
heating, set the switch to
"FAN".
Limit Control - This furnace is
protected by two (2) high temperature limit switches. The
lower limit switch is an automatic reset type.

INSTRUCTIONS
FOR
AUTOMATIC
IGNITION
MODELS
LIGHTING
1.

STOP! Read the safety information

manual reset type limit switch. If
burner does not function, turn sys-

Set the thermostat to the lowest setting, or =OFF'.

tem switch to =OFF" and push reset
button in center of limit switch.

Turn off all electdc power to the
furnace.

Gas Valve - The gas valve is
100% shut-offtype and will fail
safe if for some reason the gas
is turned off or the pilot goes
out. It is also of the step-open
type which means they open to
a low fire positionand affer a
few seconds step-open to high
fire.

This appliance does not have a
pilot. It is equipped with an ignition device which automatically
lights the burner. Do not try to
light the burner by hand.

Remove upper door panel.

Move gas valve control switch
to =OFF". See Figure 2.

Fan Switch - This fan switch is
a temperature sensing device
that turns on the blower when
sufficient heat has built up
within the furnace, It also turns
the blower offwhen the furnace
has cooled down sufficiently
after burner shut-off. In warm
weather, there is a possibilityof

Wait five (5) minutes to clear
out any gas. Then smell for
gas, including near the floor. If
you smell gas, STOP! Follow
Step 3, in the Safety Information above. If you don't smell
gas, go to the next step.

Move gas control switch to
"ON".

the blower coming on periodicelly or operating continuously
due to a heat buildupwithinthe
furnace by a combinationof

GAS CONTROL
SWITCH

Replace upper door panel.

10. Turn on all electricpower to the
furnace.

PRESSURE
REGULATING
DEVICE

FIGURE 2:AUTO IGNITION GAS
VALVE

INSTRUCTIONS

IMPORTANT
- The upper limit
switch near left side of blower is a

11. Set thermostat to desired setting.

SEQUENCE

OPERATION
This fumace is equipped with an
electronic control system which
automatically supervises burner
and fan operation. A green indicator light displays dudng normal
operation. This indicator light also
informs the home owner when certain basic services are needed. In
response to a cell for heat by the
room thermostat, the burner is
lighted by a hot glowing ignitor at
the beginning of each operation
cycle. The burner will continue to
operate until the thermostat is satisfiedat which time all burner flame
is extinguished. During the offcycle
no gas is consumed. With the room
thermostat set below room temperature, and with the electdcel power
and gas supply to the fumace on,
the normal sequence of operation
is as follows:
1.

When the room temperature
falls below the setting of the
room thermostat, the thermostat energizes the furnace control board.

Unitary Products Group

035-16329-002 Rev. B (0304)

When the furnace control
board is activated, the combustion air blower is turned on.
As the combustion air blower
increases in speed, the contacts of the pressure switchwill
close and complete the electdcal circuit to the ignitioncircuit.
During the next 40 to 50 seconds, the combustion air
blower will bringfresh air into
the heat exchanger and the
ignitorwill begin to glow. At the
end of this pedod, the gas
valve wi!l open and the burner
will light.

a. The time required for the
ignitorto heat up and
b. The time required for fresh
air to be brought into the
heat exchanger.
8. Approximately 60-90 seconds
after the burner lights,furnace
air circulationblower will run.
9.

5. After the burner lights, a separate sensor acts as a flame
probe to check for the presence of flame. As long as flame
is present, the system will
monitor it and hold the gas
valve open.
6.

If the burner fails to light within
6-8 seconds after the gas valve
opens, the gas valve will close
and the ignitor will be turned
off. After a short pause, the
system will recycle and try
again for ignition. If the burner
fails to light atler three tdes, the
ignition system will lock out.
The system will remain in lockout mode for a period of one
hour, then the furnace will try
for ignition again.

Unitary Products Group

The lapsed time from the
moment the room thermostat
closes to when the burner
lights may be 45-60 seconds.
This delay is caused by:

When roomthermostat is setisfled, the circuit to the furnace
control board is opened. The
circuitto the combustion air
blower and the gas valve is
opened and the burner is extinguished. Then the furnace control board will keep the
circulatingblower running for a
fixed pedod of time to allow
additionalheat to be drawn
from the heat exchanger.

DIAGNOSTIC

LIGHT

If furnace does not maintain home
temperature as set, check the light
indicator, visible through a small
window in the dght side of the furRace controlbox.
The electronic furnace control is
equipped with a diagnostic light
which flashes when there is a service problem. The diagnosticcodes
are;

Steady on: Normal operation.
ONE flash: Ignition failure.
TWO flashes: Pressure switch
failed closed.
THREE flashes: Pressure switch
failed open.
FOUR flashes: Limitswitch open.
FIVE flashes: Gas valve energized
with no call for heat
SIX flashes or
rapid flash: Reversed poladty
If a problem is indicated, contact
your authorized service person.
THE FURNACE
AND THEIR

CONTROLS

FUNCTION

1. System Switch - This system
switch turns =ON" or "OFF" the
120 volt electdcal circuitthat
powers the furnace controls
and the blower motor. The system switch must be turned
"ON" for the furnace to operate. Turn the switchto "OFF"
when cleaning the blower,etc.
2. Limit Control - This furnace is
protected by two (2) high tamperature limitswitches.The
lower limitswitch is an automatic reset type.
3. Gas Valve - The gas valve for
the gas furnaces are a 100%
shut-offtype and willfail safe if
for some reason the gas is
turned off.

035-16329-002 Rev. B (0304)

GENERAL
INFORMATION
FOR
ALL MODELS

Should
overheating
occur, or the gas supply
fail to shut off, shut off
the manual gas valve to
the furnace and allow
blower to run until furnace cools down and
blower shuts off before
shutting off the electrical
supply
The furnace gas valve is equipped
with a manual gas shutoff. To turn
off gas to the furnace, move the
lever on the gas valve to the =OFF"
position.
The furnace installation shouldalso
have a manual shutoff valve in the
gas piping to the furnace, similar to
what is shown in Figure 3. To turn
off the gas to the furnace, use a
wrench and turn the knob or lever
so that it is pointing 90 degrees
from the gas pipe, as shown in Figure3.

OBSERVING
OPERATION

2.
3.

Observe burnerto make sure it
shuts off.

Let the furnace cool and
blower cycle off.

If any abnormalities are observed
when checking for correct operation, such as burner failing to ignite
or to turn off, sooty flame, etc., cell
your nearest authorized service
technician as shown in the Service
Center List included in the home
owner envelope.

IF FURNACE FAILS TO
OPERATE PROPERLY

FIGURE 3:MANUAL GAS
SHUTOFF VALVE

Let furnace heat until blower
cycles on.
Turn thermostat down.

Set the room thermostat at the
desired room temperature. Greatest comfort will be achieved when
the setting is not changed frequently.

BURNER

1. Observe bumer to make sure it
ignites. Observe color of flame.
On natural gas the flame will
burn blue with appreciably yellow tips. On Propane gas a yellow flame may be expected. If
flame is not the propercolor
cell a qualified serviceman for
service.

1.
OFF

conservation and econrecommended
that the
be set at 68 ° for heating
cooling.

3. Check to see that the lever or
switch on the gas control valve
is in the full "ON" position.
4.

For Heating with Air Conditioning Applications - Set heat/cool
switch to =HEAT" position and set
fan switch to "AUTO" position.

GAS SHUTOFF

OFF

For energy
omy it is
thermostat
and 80 ° for

Check setting of thermostatand positionof heat/cool switch
if air conditioning is installed. If
a set-back type thermostatis
employed be sure that the thermostat is in the correct operating mode.
Check to see that electrical
power is "ON".

Make sure filters are clean,
return grilles are not
obstructed, and supply registers are open.

Be sure that furnace flue piping
is open and unobstructed.
If the cause for the failure to
operate is not obvious, do not
attempt to service the furnace
yourself. Call a qualified service
agency or your gas supplier.
PERIODIClNSPECTION
AND MAINTENANCE

HOMEOWNER
It is recommended that the homeowner or user make an inspection
of the furnace at least every 90
days, or more often if desired. It is
also recommended that a qualified
service agency inspect the furnace
before each operating season the
furnace is used, both heating and
air conditioning, and at any time
that there is an indication of malfunction. The owner/user should
not attempt to disassemble the furnace unless experienced and qualified to do so.

CAUTION
FOR SAFETY- Turn off
electrical power to furnace before performing
service such as cleaning filters.
Filters
It is very important that filters in
your furnace or air conditioning
system be replaced frequently.
Clean filters not only provideadded
comfort and a more healthful environment, but also allow the system
to operate more efficiently. Check
filtersevery two or three weeks.

Unitary Products Group

035-16329_02

Motor Lubrication

While you are away

The circulating air blower motor
and combustion air blower are permanently lubricated and do not
require periodic lubrication.

Your furnace is equipped with a
safety device which will shut off the
supply of gas to the burner in case
of malfunction. For this reason it is
never practical to assume that the
furnace will operate unattended for
a long period of time, especially if
there is a possibilityof damage to
your property because of freezing.
So, if you plan to be away from
home, arrange for someone to
check your house every day.

Heat Exchanger Cleaning

Under normal conditions, the heat
exchanger should not require periodic cleaning. However, should
cleaning of the interior of the heat
exchanger become necessary,
access to the interior of the heat
exchanger may be gained by
SEASONAL
SERVICE
removing the burner. Do not
attempt to disassemble any part of
INFORMATION
the heat exchanger for cleaning.
Do not use any chemical for cleanDuring extreme cold weather, ice
ing the heat exchanger. Such use . may form on the fumace roof jack
crown. Small amounts of ice formmay cause a fire or explosion or
may result in corrosion of the
ing on the roof jack will present no
heat exchanger.
problem to proper furnace operation. However, excessive ice forIMPORTANT
- This furnace
mation
could
restrict
the
must be serviced only by qualified
combustion air supply to the burner
individuals specially trained in sercausing inefficient burner operation.
vicing of this type of equipment.
Installation and service personnel
When the temperature is very cold,
are required to be licensed in some
near zero or below, it is recomareas. Persons not qualified should
mended that the roof jack be
not attempt to service this furnace.
inspected every day or more frequently if required. If ice has
Return Air
started to collect on the roof jack
On some closet installations, the
crown, it should be carefully broken
return air opening to the furnace
off.
may be on the floor, and/or on the
Your Service Technician
door and/or on the side wall of the
closet. The upper grille on the front
of the furnace admits return air to
the blower. Return air must be provided back to the circulatingblower
in order to provide air distribution.
IMPORTANT

- Do not obstruct

these openings including the grille
on the fumace. To do so will cause
the furnace to activate the high limit
and shut down or it may cause
asphyxiation.

Unitary Products Group

Your furnace's best friend is your
qualified service technician. If the
unit gives any indication of
improper operation, call your service technician. If the service technician is allowed to perform the
normal routine care of your furnace, he can many times detect
potential difficulties and make corrections before trouble develops.
Preventative maintenance of this
type will allow you to operate the
unit with a minimum of cencem,
and at the same time will pay for
itself in added years of comfort.

Rev. B (0304)

When You Call For Service
Assistance
Very often time can be saved if you
will give the service agency the
MODEL and SERIAL NUMBER of
your furnace. This will enable him
to determine the specific components used, and perhaps to better
identify the possible problem and
be better prepared if a service call
is required.
To Contact Your Serviceman
(fill in)
COMPANY:
ADDRESS:
TELPHONE:
All appliances need maintenance
by serviceman at the beginning of
each heating season. Call your
nearest authorized service technician to:
1.
2.

Replace filters. Clean all lint
and dust from around furnace.
Remove fan and clean all dust
and lint from unitwith stiffbristle brush.

Inspect combustionchamber,
the transition intothe blower
compartment, flue collar,and
reof jack.

Check the gas valve and line
connections for leaks.

Make any adjustments necessary for good operation.

NOTE: The coil panel providesa
good removable access for
inspectinginside the furnace casing. Smoke or
reflected lightinside the
casing indicatesthe presence of leaks in the heat
exchanger.

IMPORTANT
Ir

As an owner of a new furnace you need to know the following information:

If your home is located at an elevation above 2,000 feet, the burner orifice in your furnace will need to be derated. Please contact the nearest authodzed Service Center to have this procedure performed properly.
Your dealer or gas company may have already applied the proper deration for your unit. If so, they should be
able to advise you as such. If not, you need to have the deration made to insure continued use of your furnace.
Not having the unit derated properly will eventually render the furnace inoperable.
Deration of the odfice for furnaces installed in homes at elevations above 2,000 feet is not covered by the warranty. This procedure is considered a part of the installationprocess and is required to make the furnace operate
properly.
These furnaces are shipped fi'om the factory with a natural gas orifice. If you will be operating this furnace on LP
(liquid propane gas), it will also be necessary to have the furnace converted. The correct LP orifice is supplied
with the furnace to allow operation at elevations below 2,000 feet. If the furnace will be operating on LP gas at
elevations above 2,000 feet, the orifice supplied will be too large to allow proper operation. You should contact
your LP supplier for assistance in getting the derated orifice installed.
We hope you follow these instructions and enjoy many years of trouble free service. If you have any questions,
please feel flee to contact the technical assistance hot line at 1-800-231-4822.

035-16329-002 Rev. B (0304)
Supersedes: 035-16329-002 Rev, A (401)
P.O.
Box
19014

Wichita
KS
67204-9014

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COLEMAN Furnace/Heater, Gas Manual L0611387

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