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Johnson Controls Unitary Products

356486-UUM-K-0613

USER’S INFORMATION MANUAL

MODELS: 

All Residential Multi-position Gas Furnaces 

(33” Models)

TABLE OF CONTENTS

CONTACT INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

SAFETY  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
INSTRUCTIONS FOR EXAMINING THE 
FURNACE INSTALLATION   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
START-UP AND SHUTDOWN INSTRUCTIONS   . . . . . . . . . . . . . . . . 3

HOW YOUR GAS FURNACE WORKS . . . . . . . . . . . . . . . . . . . . . . 3
OPERATING INSTRUCTIONS  . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
TO TURN OFF THE APPLIANCE . . . . . . . . . . . . . . . . . . . . . . . . . . 4

FURNACE MAINTENANCE - USER INFORMATION   . . . . . . . . . . . . 4

EXTERNAL AIR FILTERS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

How to Clean your Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

BLOWER CARE   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
MOTOR LUBRICATION   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

SERVICE INFORMATION  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

TROUBLESHOOTING PROBLEMS  . . . . . . . . . . . . . . . . . . . . . . . .5
FURNACE CONTROL DIAGNOSTICS  . . . . . . . . . . . . . . . . . . . . . .5
FURNACE MAINTENANCE - DEALER/CONTRACTOR   . . . . . . . .5
REPLACEMENT PARTS LIST   . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
WIRING DIAGRAM  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

Limited Warranty   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

CONTACT INFORMATION

Go to website at www.york.com, then click on “Contact Us” and 
follow the instructions.

Contact us by mail:

Johnson Controls Unitary Products

Consumer Relations

5005 York Drive

Norman, OK 73069

We recommend that the user read all sections of this 
manual and keep the manual for future reference.

 

SAFETY

This is a safety alert symbol. When you see this symbol on
labels or in manuals, be alert to the potential for personal
injury.

Understand and pay particular attention to the signal words 

DANGER

,

WARNING

, or 

CAUTION

DANGER 

indicates an 

imminently

 hazardous situation, which, if not

avoided, 

will result in death or serious injury

.

WARNING 

indicates a 

potentially

 hazardous situation, which, if not

avoided, 

could result in death or serious injury

.

CAUTION 

indicates a potentially hazardous situation, which, if not

avoided 

may result in minor or moderate injury.

 It is also used to

alert against unsafe practices and hazards involving only property dam-
age.

1.

The furnace area must be kept clear and free of combustible mate-
rials, gasoline and other flammable vapors and liquids.

2.

Insulating materials may be combustible. The furnace must be kept
free and clear of insulating materials. The furnace area must be
examined when installed in an attic or other insulated space or
when insulation is added to be sure that the insulation material has
been kept away from the furnace.

3.

The furnace needs air for combustion in order to operate properly
and safely. Do not block or obstruct air openings on the furnace, air
openings to the area where the furnace is installed, or spaces
around the furnace.

4.

Follow the instructions exactly as shown on the OPERATING
INSTRUCTION LABEL on the furnace or the “START-UP AND
SHUTDOWN INSTRUCTIONS” section of this manual when light-
ing the furnace or turning the furnace off.

5.

Should the gas supply fail to shut off or if overheating occurs, shut
off the gas valve to the furnace before shutting off the electrical sup-
ply.

6.

Do not use this furnace if any part has been under water. A flood-
damaged furnace is extremely dangerous. Attempts to use the fur-
nace can result in fire or explosion. A qualified service agency
should be contacted to inspect the furnace and replace all gas con-
trols, control system parts, electrical parts that have been wet or the
furnace if deemed necessary.

7.

NEVER. . .Store flammable materials of any kind near your furnace.
Gasoline, solvents, and other volatile liquids should be stored only
in approved containers outside your home. These materials vapor-
ize easily and are extremely dangerous.

8.

NEVER. . .Store cleaning materials near your furnace. Materials
such as bleaches, detergents, powdered cleansers, etc., can cause
corrosion of the heat exchangers. 

9.

NEVER. . . Use the area around your furnace as a storage area for
items which could block the normal flow of air. This flow of air is
required for ventilation of the various furnace components.

FIRE OR EXPLOSION HAZARD - 

Failure to follow safety warnings

exactly could result in serious injury, death, or property damage.

— 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:

Do not try to light any appliance.

Do not touch any electrical switch; do not use any phone (includ-
ing cell phone) in your building.

Leave the building immediately.

Immediately call your gas supplier from a neighbor’s phone. Fol-
low the gas supplier’s instructions.

If you cannot reach your gas supplier, call the fire department.

Installation and service must be performed by a qualified installer, 

service agency or the gas supplier.

Summary of Contents for All Residential Multi-position Gas Furnaces(33” Models)

Page 1: ...from the furnace 3 The furnace needs air for combustion in order to operate properly and safely Do not block or obstruct air openings on the furnace air openings to the area where the furnace is inst...

Page 2: ...afety Door Switch Control Board Flue Collar Electrical Junction Box Blower Transformer Capacitor Not used on all models Power Factor Choke Not used on all models Vent Pipe Pressure Switch Manifold Pip...

Page 3: ...gases Next the hot surface ignitor glows and after a warm up period the gas valve opens and ignition occurs A short time later the blower starts and dis tributes the warm air throughout the home When...

Page 4: ...are changed the following items should be visually inspected Check combustion air and vent pipe for blockage or leakage Check all components to be sure they are in good condition and that there are no...

Page 5: ...r compartment door The control continuously monitors its own operation and the operation of the system If a failure occurs the LED will indicate the failure code If the failure is internal to the cont...

Page 6: ...356486 UUM K 0613 6 Johnson Controls Unitary Products NOTES...

Page 7: ...led so that the combustion air is not contaminated by compounds of chlorine fluorine or other damaging chemicals or vapors 4 The product is installed such that the heat exchangers are not exposed to r...

Page 8: ...of the water circuit by foreign material or like causes 13 Damages caused by improper parts components or accessories not suitable for use in or with the unit For a list of parts that are known to be...

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