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NOTE TO INSTALLER: THIS MANUAL SHOULD BE LEFT WITH

1. important safety precautions A WARNING To prevent personal injury or death disconnect all electrical power to the air conditioner before re moving access panels to perform maintenance Disconnect power to both the indoor and outdoor units Note there may be more than 1 electrical disconnect switch MAIN OFF Fig 4 Main Electrical Disconnect A 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 CHECK THE AIR FILTER A dirty air filter will cause excessive strain on the compressor and blower motor This can cause the components to overheat and automatically shut down In the extreme the components will fail and need to be replaced To avoid in efficient operation or failure of your unit CHECK THE FILTER S EVERY 3 TO A WEEKS Replace filter s when necessary or clean the filter s if you have the reusable type Disposable filters should be replaced by similar new filters of the same dimensions Reusable permanent filters should be washed in a solution of cold water and mild detergent then rinsed and thoroughly dried THE FILTER MUST BE COMPLETELY DRY BEFORE BEING REINSTALLED To avoid prolonged shutdown of your unit while a filter is drying you should have an extra filter on hand allowing you to rotate between the 2 with minimal down time for your comfort system Extra filt
2. system outdoor unit should be maintained in a level position If its support shifts or settles so that the unit is no longer level you should correct the condition Relevel it promptly to assure condensate drainage out of the unit If you notice that water or ice collects beneath the unit arrange for it to be drained away from the unit BEFORE YOU REQUEST A SERVICE CALL BEFORE YOU CALL FOR SERVICE CHECK FOR THESE EASILY SOLVED PROBLEMS e Check the indoor and outdoor disconnect switches Verify that circuit breakers are on or that fuses have not blown e Check for sufficient airflow Check the air filter s for any accumulations of dirt Check for blocked return air or supply air grilles Be sure grilles are open and unobstructed e Check the settings on your indoor thermostat If you desire cooling see that the temperature set point is set below room tem perature and the MODE is set to COOL or AUTO If you require heat be sure the desired temperature set point is set above room temperature and the MODE is HEAT or AUTO The FAN should be set to ON for continuous blower operation or AUTO if you wish blower to function only while the unit is operating e Check note concerning special features and time delays in Operating Your Air Conditioner section If your comfort system still fails to operate contact your servic ing dealer for troubleshooting and repairs Specify your apparent problem and state the model and serial numb
3. R CONDITIONING UNIT ESIDENTIAL Al INING YOUR R TO OPERATIN AGUIDE E en O I m en aC gt a QC Pt Sl e a OC gt E Cia gt Lil A a WELCOME TO EFFICIENT HOME COOLING COMFORT Congratulations on your excellent choice and sound investment in home cooling comfort Your new air conditioning unit represents both the latest in engi neering development and the culmination of many years of experience from one of the most reputable manufacturers of comfort systems Your new unit is among the most energy efficient and reliable air conditioning products available today To assure its depend ability spend a few minutes with this booklet now Learn about the operation of your air conditioner and the small amount of maintenance it takes to keep it operating at peak efficiency With minimal care your new air conditioner will provide you and your family with cool comfort both now and for years to come SAFETY CONSIDERATION Recognize safety information This is the safety alert symbol When you see this symbol on the unit or in instructions and man uals be alert to the potential for personal injury Understand the signal word DANGER WARNING or CAU TION These words are used with the safety alert symbol DANGER identifies the most serious hazards which will result in severe personal injury or death WARNING signifies haz ards that could result in personal injury or death CAUTION
4. able Thermostat COOLING CYCLE When operating in the cooling cycle your air conditioner will run until the indoor temperature is lowered to the level you have selected On extremely hot days your air conditioner will run for longer periods at a time and have shorter off periods than on moderate days The following conditions typically add extra heat and or humid ity to your home and make your cooling unit work longer to keep your home comfortable e Entrance doors are frequently opened and closed e Laundry appliances are being operated e A shower is running e More than the usual number of people are present in the home e More than the normal number of electric lights are in use e Drapes are open on the sunny side of the home HEATING CYCLE With the MODE of your indoor thermostat set to HEAT the heating section of your home comfort system will operate until room temperature is raised to the level you have selected Of course the heating unit will have to operate for longer periods to maintain a comfortable environment on cooler days and nights than on moderate ones Refer to your furnace User s Manual for specific information on heating operation PERFORMING ROUTINE MAINTENANCE With proper maintenance and care your air conditioning unit will operate economically and dependably Maintenance can be accomplished easily by referring to the following directions However before performing maintenance consider these
5. erature 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 e 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 sys tem is not clogged Do not expect to see much drainage if you live in a very dry environment e Do not operate your unit when outdoor temperature is below 55 E LCD READOUT DISPLAYS CURRENT ROOM TEMPERATURE DESIRED ROOM TEMPERATURE UNIT MODE SETTING AND FAN MODE SETTING UP AND DOWN BUTTONS INCREASE OR DECREASE THE DESIRED TEMPERATURE SETTINGS MODE BUTTON SELECTS BETWEEN OFF HEAT COOL AND AUTO OPERATION RESET FILTER BUTTON RESTARTS THE TIMER THAT CALCULATES THE NEXT AIR FILTER CHANGE OR CLEANING FAN BUTTON CHOOSES BETWEEN ON OR AUTO FAN OPERATION Fig 2 Typical Non Programmable Thermostat OPERATING YOUR AIR CONDITIONER The operation of your air conditioning system is controlled by the indoor thermostat Simply adjust the thermostat to maintain the indoor temperature at the level you select Most thermostats have three controls the temperature FAN and mode selectors The temperature selector could be a d
6. ers may be purchased from your dealer There are no filters in the outdoor unit of a split system If your indoor unit is a gas or oil furnace refer to your furnace User s Manual for filter location and procedures for replacement or cleaning If your system includes an indoor fan coil unit the filter may be located in the unit where it connects with the return air duct or plenum See Fig 5 Remove the filter cover plate by sliding latches toward center of plate Lift filter to clean lower flange Filter is spring loaded and will pop out Reinstall filter being certain to secure filter behind lower flange When reinstalling cover plate secure plate behind upper flange then slide tabs outward The indoor fan coil unit may be located in the attic In this instance the filter could be located behind the return air grille Access the filter by removing 2 screws from return air grille SS su to TETTE TSO SSS IIA ASS A TRR SAN eee eee eee eene SSS y OSOS OSOS SOS SOS SOS SIS ISS OSIRIS SIS SISSI S SSS SEZIONE ESS SSS ESS uns N Fig 5 Removing Filter from Fan Coil Unit INDOOR COIL If the split system coil has only been operated with a clean filter in place it should require minimal cleaning You may use a vac uum cleaner and soft brush attachment to remove any accumu lation of dust from the top and underside of the finned coil surface However only perform this maintenance when the coil is com
7. ers of your equip ment You should have them recorded on page 6 of this book let With this information your dealer may be able to offer helpful suggestions over the phone or save valuable time through knowledgeable preparation for the service call REGULAR DEALER MAINTENANCE In addition to the routine mainte nance 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 e Routine inspection of air filter s Replacement or cleaning as required e Inspection and cleaning of the blower wheel housing and motor e Inspection and if required cleaning of indoor and outdoor coils e 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 e A check of all electrical wiring and connections e A check for secure physical connections of individual compo nents within units e 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 FOR THE RECORD Record the model product and serial numbers of yo
8. ial lever or buttons that allow you to establish the degree of temperature that you wish to maintain for your personal comfort Some thermostats pos sess two temperature control selectors one for setting the tem perature desired during the cooling cycle and one to set the heating operation temperature The FAN button offers two options for controlling the blower AUTO and ON When set to AUTO the blower will run only while the thermostat operates the cooling or heating section When the FAN is set to the ON position the blower will run continuously regardless of whether the cooling or heating sec tion is operating Typically the MODE button on your thermostat offers the follow ing selections COOL OFF and HEAT Your thermostat may also have a fourth selection AUTO Neither the cooling nor heating section will operate when the MODE is set to the OFF position With the MODE set to COOL the cooling section of your comfort system will operate when the indoor temperature rises above the level that you wish to maintain With the MODE set to HEAT the heating section will operate automatically when the indoor tem perature falls below the level that you have selected The AUTO selection found on some thermostats provides for auto matic changeover between cooling and heating cycles With the MODE set to AUTO the cooling section will operate when the indoor temperature rises above the thermostat cooling temperature setting or the heat
9. ing section will operate when the indoor temper ature drops below the thermostat setting for the heating cycle NOTE Your 2 speed air conditioning system has several special features built in to protect the unit e 5 MINUTE TIME DELA Y Unit will delay operation upon initial start up or short cycling of the indoor thermostat e l MINUTE TIME DELA Y When changing speeds from low to high or high to low there is a 1 minute time delay Dur ing the speed change delay the outdoor fan will continue to run e 2 MINUTE LOW SPEED MINIMUM If the unit has not operated within the past 30 minutes upon the next cooling demand it will operate for a minimum of 2 minutes on low speed If you wish to program your accessory electronic indoor ther mostat refer to thermostat Installation Instructions LCD READOUT DISPLAYS CURRENT ROOM TEMPERATURE DESIRED ROOM TEMPERATURE OR OUTDOOR TEMPERATURE MODE BUTTON SELECTS BETWEEN OFF HEAT COOL AND AUTO OPERATION PROGRAM BUTTONS FOR PROGRAMMING HEATING COOLING CYC UP AND DOWN BUTTONS INCREASE OR DECREASE THE DESIRED TEMPERATURE SETTINGS FAN BUTTON CHOOSES SET TIME BUTTON BETWEEN ON OR AUTO FAN OPERATION HOLD BUTTON MAINTAINS THE CURRENT TEMPERATURE AND OVERRIDES PROGRAMMED TEMPERATURE CHANGES UNTIL RESET RESET FILTER BUTTON RESTARTS THE TIMER THAT CALCULATES THE NEXT AIR FILTER CHANGE OR CLEANING Fig 3 Typical Programm
10. is used to identify unsafe practices which would result in minor personal injury or product and property damage A WARNING Improper installation adjustment alteration ser vice maintenance 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 as sistance The qualified installer or agency must use factory authorized kits or accessories when modifying this product Fig 1 Typical Split System Installation A WARNING To prevent personal injury death or property damage read and follow all instructions and warn ings including labels shipped with or attached to the unit before operating your new air conditioner YOUR COMFORT SYSTEM Identifying Your System Take the time to familiarize yourself with the type of system you have This knowledge will be useful in understanding the basic operation of your new air conditioner The split system type has an indoor and an outdoor unit each of which contains a coil These units are interconnected by refrig erant tubes as shown in Fig 1 Each unit has a rating plate affixed to it A rating plate provides necessary information for specific identifica tion of a unit You should familiarize yourself with the product model and serial numbers listed on each rating plate IMPORTANT FACTS To better protec
11. pletely dry If you cannot get the coil clean by this method call your dealer for service It may be necessary to clean the coil with a detergent solu tion and rinse it with water which could require removing the coil You should not attempt this yourself OUTDOOR COIL If grass clippings leaves shrubbery and debris are kept away from the outdoor unit minimal care should be sufficient to keep the system functioning properly For proper drainage debris must be removed periodically from the base pan However if the out door coil becomes dirty use a brush or vacuum cleaner and soft brush attachment to clean the exterior surface If dirt is deep in the coil contact your dealer for service The outdoor fan motor may have to be disconnected and the top panel removed to gain access to the coil for thorough cleaning Do not attempt this yourself OUTDOOR COIL SEA COAST If your unit is located near the ocean special maintenance is required Ocean mist breeze carries salt which is corrosive to most metals Although your new unit is made out of galvanized metal and is protected by top grade paint you should take the precaution of additional maintenance by periodically washing the unit By washing all exposed surfaces and coil approxi mately every 3 months you will add life to your unit Please consult your installing contractor for proper intervals proce dures for your geographic area or service contact UNIT SUPPORT Your split
12. t your investment and to eliminate unnecessary service calls familiarize yourself with the following facts Your air conditioning system should never be operated without a properly installed clean air filter Plan to inspect the filter peri odically A clogged air filter will increase operating costs and shorten the life of the unit e 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 effi ciency and shortens its life span e The outdoor unit must have unrestricted airflow Do not cover the unit lean anything against it or stand on 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 e 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 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 pock ets may be too cool or warm for your liking Continuous fan oper ation minimizes any temp
13. ur new equipment in the spaces provided This information along with the other ready reference facts requested will be necessary if you ever require information or service INSTALLATION DATA Date Installed Modular Indoor Unit if Applicable Dealer Name Blower Product No Address Model No Citv Serial No Stte Zip Telephone Coil Product No SPLIT SVSTEM Model No Outdoor Unit Serial No Product No Model No Heater Product No Serial No mm Model No Serial No Indoor Unit or Coil ACCESSORIES Product No Product No Model No _ ProductNo Serial No Product No Product No Product No TO OBTAIN INFORMATION ON PARTS Consult your installing dealer or classified section of your local telephone directory under the Heating Equipment or Air Conditioning Contractors amp Systems headings for dealer listing by brand name Have available the Model No Series Letter amp Serial No of your equipment to ensure correct replacement part Carrier Corporation e Indianapolis IN 46231 Manufacturer reserves the right to discontinue or change at any time specifications or designs without notice and without incurring obligations Form OM38 44 Printed in the U S A PC 101 11 98 Catalog No 563 756

NOTE TO INSTALLER: THIS MANUAL SHOULD BE LEFT WITH

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