Carrier 38CKS User Manual

38BRC, 38CKC, 38CKG  
38CKS, 38CKW, 38CMC  
Split System Air Conditioners  
Owner’s Manual  
NOTE: Read the entire instruction manual before starting the  
REGULAR DEALER MAINTENANCE  
installation.  
In addition to the routine maintenance that you perform, your  
home comfort system should be inspected regularly by a properly  
trained service technician. The inspection (preferably each year,  
but at least every other year) should include the following:  
• Routine inspection of air filter(s). Replacement or cleaning as  
required.  
OWNER’S INFORMATION  
User information for the operation and maintenance of your new  
residential air conditioner.  
IMPORTANT FACTS  
To better protect your investment and to eliminate unnecessary  
service calls, familiarize yourself with the following facts:  
• Your air conditioning system should never be operated without a  
clean air filter properly installed. Plan to inspect the filter  
periodically. A clogged air filter will increase operating costs and  
shorten the life of the unit.  
• Supply-air and return-air registers should not be blocked. Drapes,  
furniture, and toys are some of the items commonly found  
obstructing grilles. Restricted airflow lessens the unit’s efficiency  
and life span.  
• The outdoor unit must have unrestricted airflow. Do not cover the  
unit, lean anything against it, or stand upon it. Do not allow grass  
clippings, leaves, or other debris to accumulate around or on top of  
the unit. Maintain a 12-in. minimum clearance between the  
outdoor unit and tall grass, vines, shrubs, etc.  
• Inspection and cleaning of the blower wheel, housing, and motor.  
• 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 connections of individual compo-  
nents within units.  
• Operational check of the air conditioning system to determine  
actual working condition. Necessary repair and/or adjustment  
should be performed at this time.  
Your servicing dealer may offer an economical service contract  
that covers seasonal inspections. Ask for further details.  
• Your multipurpose indoor thermostat is the control center for  
your air conditioning system. You should familiarize yourself with  
its proper operation. Attempting to control the system by other  
means—for instance, switching the electrical supply power ON  
and OFF—may cause damage to the unit.  
• Thermostat “jiggling” causes rapid-cycling, which is potentially  
damaging to the compressor. Do not move the temperature selector  
on the thermostat for any reason for at least 5 minutes after the  
compressor has shut off.  
• You may find that you can maintain greater personal comfort by  
running the fan continuously. “Air pockets” can form due to the  
structure of the house, placement of registers, etc. These air  
pockets may be too cool or warm for you liking. Continuous fan  
operation minimizes any temperature differences. Also, systems  
equipped with electronic air cleaners and/or humidifiers offer the  
added benefits of having the air continuously cleaned year-round,  
and humidified during the winter season.  
Improper installation, adjustment, alteration, service, mainte-  
nance, or use can cause explosion, fire, electrical shock, or  
other conditions which may cause personal injury or property  
damage. Consult a qualified installer, service agency, or your  
distributor or branch for information or assistance. The  
qualified installer or agency must use factory-authorized kits  
or accessories when modifying this product.  
To prevent personal 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 conditioner.  
• Your air conditioner will remove humidity from your home  
during the cooling season. After a few minutes of operation, you  
should be able to see water trickle from the condensate drain of the  
cooling coil. Check this occasionally to be sure the drain system is  
not clogged. Of course, don’t expect to see much drainage if you  
live in a very dry environment.  
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.  
Book  
Tab 3a 2a  
1
4
PC 101  
Catalog No. 533–80023  
Printed in U.S.A.  
Form OM38–51  
Pg 1  
7–01  
Replaces: New  

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