Use and Care
Central Air Conditioning
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How it works to
keep you comfortable
Congratulations on the purchase of your newTrane air
conditioner.Your air conditioner is designed to work with
a matched indoor unit creating a system that delivers
years of dependable service and performance.
Your air conditioning system cools, filters, and dehumidifies your home.
As the air conditioning system circulates the air, it also filters it. The air conditioning
system also extracts excess moisture from the air inside your home, thus helping
to control humidity in muggy summer months.
Acquaint yourself with your new system by spending just a few minutes with
this booklet. Learn about the operation of your system and the small amount of
maintenance it takes to keep it operating at peak efficiency.
Proper maintenance for
maximum efficiency
A central air conditioner is not a house-
hold appliance. It’s a self-contained
system that requires professional
maintenance and repair.
Help ensure top efficiency
by cleaning or replacing the
filter monthly.*
When the air conditioner circulates
and filters the air in your home, dust
and dirt particles build up on the filter.
Excessive accumulation can block the
airflow, forcing the unit to work harder
to maintain desired temperatures. And
the harder your unit works, the more
energy it uses.
That’s why attempts at “do-it-yourself”
repairs on an in-warranty unit may void
the remainder of your warranty.
Other than performing the simple main-
tenance recommended in this manual,
you should not attempt to make any
adjustments to your central air condi-
tioning system.Your dealer will be
able to take care of any questions or
problems you may have.
Clean or replace your filter twice a
month during seasons when the unit
runs more often.
Efficiency can be maintained by
When replacing your filter(s), always
use the same size and type that was
originally supplied. Filters are available
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CAUTION
keeping outdoor unit clear of
To prevent injury, death, or property damage, read
and follow all instructions and warnings, including
labels shipped with or attached to unit before
operating your new air conditioning system.
debris, leaves and shrubbery.
Efficient operation of your air conditioner
from your dealer.
depends on the free flow of air over the
Where disposable filters are used, they
coil. Anything that blocks the airflow,
must be replaced every month with the
causes the compressor to work harder
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WARNING
same size as originally supplied.
to move the warm air out of your house.
Disconnect all electrical power to the indoor air
handler or furnace before removing access panels
to perform any maintenance. Disconnect power to
both the indoor and outdoor units. NOTE: There
may be more than one electrical disconnect
switch. Electric shock can cause personal injury
or death.
How to remove your filter.*
To avoid overworking your unit, do
not plant flowers or shrubbery right
next to it. Also, make sure that nothing
is stacked against the sides of the unit
or draped over it.
Ask your Trane dealer where the filter
is located in your system and how to
service it.
Just be sure to replace it with the arrows
pointing in the direction of the airflow.
Making sure your outdoor unit is kept
clear at all times helps it work at peak
efficiency.
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CAUTION
Although special care has been taken to minimize
sharp edges in the construction of your unit, be
extremely careful when handling parts or reaching
into the unit.
* Before removing the filter, see the owners manual
furnished with the indoor unit.
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Proper maintenance (cont.)
Keep your air conditioner looking
new for years.
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CAUTION
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WARNING
Condensate drains should be checked and cleaned
periodically to assure condensate can drain freely
from coil to drain. If condensate cannot drain freely,
water damage could occur.
Improper installation, adjustment, alteration,
service, maintenance, or use can cause explosion,
fire, electrical shock, or other conditions which
may cause personal injury or property damage.
Consult a qualified installer or service agency for
information or assistance. The qualified installer
or agency must use factory-authorized kits or
accessories when modifying this product.
Clean the enamel finish of your air
conditioner with soap and water. For
stubborn grease spots, use a household
detergent. Do not use lacquer thinner or
other synthetic solvents as they may
damage the finish.
• Inspection and, if required, cleaning
of indoor and outdoor coils.
• Inspection of the indoor coil drain
pan, plus the primary and secondary
drain lines. If supplied, the auxiliary
drain pan and line should be inspected
at this time. Service should include
cleaning, if required.
• A check of all electrical wiring and
connections.
• A check for secure physical connec-
tions of individual components within
units.
Call your dealer for additional
routine maintenance
• Operational check for the air condi-
tioning system to determine actual
working condition. Necessary repair
and/or adjustment should be per-
formed at this time.
• Your servicing dealer may offer an
economical service or preventative
maintenance agreement that covers
seasonal inspections. Ask your
dealer for further details.
Your air conditioning system should be
inspected regularly by a properly trained
service technician. The inspection
(preferably twice each year, but at
least once a year) should include
the following:
• Routine inspection of air filter(s).
Replacement or cleaning as required.
• Inspection and cleaning of the blower
wheel, housing, and motor as required.
How to operate your system
for peak performance
Setting the temperature
Let the thermostat do its job.
thermostat. Then wait for at least three
more hours after the power has been
restored before turning the thermostat
back on. Failure to follow this procedure
could result in damage to your system.
Place the system switch on COOL, and
the fan switch on AUTO. Then set the
temperature by using the indicator on
the thermostat* control.
Your system will perform most efficiently
when you let the thermostat control it.
Turning the system on and off manually
is usually much less efficient. So let the
thermostat do its job.
Now your system will cool your house
whenever the indoor temperature climbs
above the thermostat setting. It will shut
off when the desired room temperature
is reached.
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CAUTION
We recommend keeping the temper-
ature setting at 78°F for cooling, 68°F
for heating. However, you can select
the temperature that meets your
comfort level.
If heating system is not operational during the cold
weather months, provisions must be taken to
prevent freeze-up of all water pipes and water
receptacles. This is very important during times
of vacancy.
In winter, it works the same way.
When the system switch is on HEAT, the
system will operate whenever the room
temperature falls below the temperature
setting. Once the desired temperature is
reached, the system will shut off.
The point is, once you’ve set the
thermostat, keep subsequent
adjustments to a minimum.
How to help reduce summer humidity.
In summer, your air conditioner does
more than cool the air — it helps
remove the excess moisture, that can
make the inside of your home feel
muggy. When removing this moisture
your system must work harder than
when simply cooling the air.
When you’re going to be away from
home for a few days, or when outdoor
temperatures are moderate, don’t let
the air conditioner run unnecessarily.
Lower the thermostat to 55°F in the
winter. And raise it to 85°F in summer.
Then when you return, or when tempera-
ture conditions dictate, you can reset the
system and it will resume making your
home comfortable again.
Save energy with an electronic
programmable thermostat.*
Program the thermostat for the temp-
eratures that meet your comfort level.
The Trane electronic programmable
thermostat has up to four setup or
setback periods each day, plus week-
end and vacation programs.
That’s why kitchens, bathrooms and
utility rooms should have vents and
exhaust fans. These devices help
prevent accumulation of moisture
throughout the rest of the house so
your air conditioner works less to keep
you comfortable.
Never stop the system by shutting off
the main power.
* Accessory, purchased separately.Carefully read the
accompanying thermostat manual for complete
operating instructions.
If the main power is ever disconnected
for more than three hours, turn off the
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The Problem Solver
Before you call for service, check the following:
Reduce the burden of unexpected repair bills with
a Trane Extended Warranty.
Problem
Possible cause
Remedy
Trane offers the finest quality products and manufacturer’s
warranties on the market. But, like all good things, the Trane-
provided limited warranty on your new comfort equipment
will come to an end. To keep you protected, Trane offers the
Extended Warranty Program. It picks up right where your
Trane limited warranty leaves off. And, it offers years and
years of reliable protection at a low cost. Ask your dealer
for program details.
Insufficient heating
or cooling
a. dirty filters
b. air not circulating
freely
a. clean or replace
b. check supply registers and
return grills for blockage
c. clear away leaves or other
debris
c. blocked outdoor coil
Failure to operate
a. power off
a. make sure main switch is
in ON position
b. reset circuit breaker, or
replace burned-out fuses
c. check setting, adjust
thermostat
b. open circuit breaker
or burned-out fuses
c. improperly adjusted
thermostat
The Trane Extended Warranty provides:
1. The opportunity to supplement your Limited Warranty
for five or ten years.
No Heating or
Cooling – Blower
does not operate
Blower door removed
or ajar
Close door securely to
restore power to blower
2. Coverage that may include parts only or parts and labor
for the duration of the agreement. Be certain you read the
Extended Warranty for complete details and exclusions.
Unusual Noise
Call your local servicer
3. Service work performed by servicers knowledgeable of
the operation of Trane equipment.
Extra Energy Tips
of still air will cut heat transfer
considerably.
Insulation
Cooling
13. Set the thermostat as high as
comfort will permit.
1. Make sure your home is properly
insulated. This is the single most
important step in conserving
energy. Thermal insulation should
be specified in terms of thermal
resistance (R-values). R-30 (10")
is recommended for ceilings, R-11
(3-1/2) for exterior walls and floors
over unheated areas. In colder
climates, consider additional
insulation.
5. Install storm doors at all entrances
to your house.
14. Make sure attics are adequately
ventilated to relieve heat buildup.
If necessary, improve air flow by
adding or enlarging vents.
6. Keep all windows and doors closed.
7. Remember that by increasing the
glass area, you increase the amount
of heat added in summer and lost
in winter.
15. When building a new house or
renovating an old one, choose
light-colored roof shingles to reflect
more of the sun’s heat.
8. Make sure fireplaces have tight-
fitting dampers which can be closed
when the fireplace is not in use.
16. During moderate weather, don’t use
2. Infiltration of humid outside air is
your heating and cooling system’s
worst enemy — it could account for
15 to 30% of air conditioning energy
requirements. Find the places where
air can sneak into the home and
plug them with caulking, weather-
stripping or plastic. Also, weather-
strip and caulk around all entrance
doors and windows.
the air conditioner unnecessarily.
9. Invest in a humidifier to conserve
energy in winter. The air in your
home won’t be as dry, so you stay
comfortable at a lower temperature
setting.
17. Draw blinds or drapes to block the
sunlight during the hottest part of
the day.
18. Install awnings over windows
exposed to direct sunlight.
Heating
10. Locate the thermostat on an inside
wall away from windows and doors.
19. In the cooling season, don’t run
kitchen and bath exhaust fans
longer than necessary.
3. Cut heat transfer through your
windows by 40 to 50% with double
glazing (two panes of glass separ-
ated by a sealed air space) and
low-e glass.
11. Set the thermostat as low as
comfort permits. Each degree over
68°F can add 3% to the amount of
energy needed for heating.
20. Don’t place lamps, TV sets or other
heat producing devices beneath a
wall-mounted thermostat. Rising
heat from the equipment may
cause the air conditioner system
to over cool your house.
12. People generate heat. So lower the
thermostat a degree or two when
expecting a large group of guests.
4. Use wood- or metal-frame storm
windows even if single-glazed
windows are high quality. The
extra layer of glass and the layer
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Important Service Information
It’s always a good idea to keep records — it will save you time and money. If it’s necessary to have your air conditioner repaired, the
serviceman will want to know if your unit is still under Warranty. Take a few minutes to record the following information here:
Outdoor Model Number ___________________________________________________________________________________
Indoor Model Number ____________________________________________________________________________________
Thermostat Model Number ________________________________________________________________________________
Date of Purchase ________________________________________________________________________________________
Dealer ________________________________________________________________________________________________
Service Information
Call your installing dealer if the unit is inoperative. Before you call, always check the following to be sure service is required:
a. Be sure the main switch that supplies power to the unit is in the ON position.
b. Replace any burned-out fuses or reset circuit breakers.
c. Be sure the thermostat is properly set.
Service Phone __________________________________________________________________________________________
P.I. 07/01
TheTrane Company
An American Standard Company
Since The Trane Company has a policy of continuous product and product data improvement, it reserves the
right to change design and specifications without notice.
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