CENTRAL AIR CONDITIONER
Contents
1. Heating amp Cooling Systems ii Niii 0 ai Wii Al N oli USER S INFORMATION MANUAL CENTRAL AIR CONDITIONER NOTE TO INSTALLER This manual must be left with the equipment user WELCOME TO EFFICIENT HOME COOLING COMFORT Congratulations on your excellent choice and sound investment in home cooling comfort Your new air conditioning unit represents the culmination of many years of experi ence from one of the most reputable man ufacturers of comfort systems Your new unit is among the most reliable and energy efficient air conditioning products available today To assure its dependability spend just 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 its peak efficiency With minimal care your new air condi tioner 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 A When you see this symbol on the unit or in instructions and manuals be alert to the potential for personal injury Understand the signal word DANGER WARNING or CAUTION These words are used with the safety alert symbol DANGER identifies the most serious hazards which will result in severe per sonal injury or death WARNING signi fies hazar2. booklet IMPORTANT FACTS To better protect your investment and to eliminate unnecessary service calls familiarize yourself with the following facts e Keep Filter Clean Your air conditioning system should never be operated without a properly installed clean air filter Plan to inspect the filter periodically A clogged air filter will increase operating costs and shorten the life of the unit e Do Not Block Registers Supply air and return air registers should not be blocked Drapes furniture and toys are some of the items commonly found obstructing registers Restricted airflow lessens the unit s efficiency and life span e Do Not Cover or Block Outdoor Unit The outdoor unit must have unrestricted airflow Do not cover the unit lean any thing 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 Get To Know Your Thermostat Your multipurpose indoor thermostat is the control center for your air condition ing 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 temper
3. aler may be able to offer helpful suggestions over the phone or save valuable time through knowl edgeable preparation for the service call REGULAR DEALER MAINTENANCE In addition to the routine maintenance that you perform your home comfort system should be inspected regularly by a trained service technician The inspection prefer ably 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 connec tions of individual components within units e Operational check of the air condi tioning 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 your new equipment in the spaces provided on the last page This information along with the other ready referen
4. ature selector on the thermostat for any reason for at least 5 minutes after the compressor has shut off e Continuous Fan 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 your liking Continuous fan operation minimizes temperature differences Fig 1 Typical Split System Installation LCD READOUT DISPLAYS CURRENT ROOM TEMPERATURE DESIRED ROOM TEMPERATURE UNIT MODE SETTING AND FAN MODE SETTING m OFF SET TEMP Thermostat EHERT COOLON HEATON coo AUTO FAN AUX HT FILTER RESET FILTER BUTTON RESTARTS THE TIMER THAT CALCULATES UP AND DOWN BUTTONS INCREASE N OR DECREASE THE DESIRED TEMPERATURE f a Y SETTINGS EA J MODE BUTTON SELECTS BETWEEN OFF HEAT COOL AND AUTO OPERATION FAN BUTTON CHOOSES BETWEEN ON OR AUTO FAN OPERATION THE NEXT AIR FILTER CHANGE OR CLEANING Fig 2 Bryant Non Programmable Thermostat e Air Cleaners and Humidifiers Systems equipped with electronic or mechanical air cleaners and or humidifi ers offer the added benefits of having the air continuously cleaned year round and humidified during the winter season e Ventilation A system equipped with a heat or energy recovery ventilator offers the advantage of exhausting stale air
5. ce facts requested will be neces sary should you ever require information or service INSTALLATION DATA Date Installed MODULAR INDOOR UNIT if Applicable Dealer Name Blower Product No Address Model No City Serial No State Zip Telephone Coil Product No Model No SPLIT SYSTEM Serial No OUTDOOR UNIT Product No Heater Product No Model No Model No Serial No Serial No INDOOR UNIT OR COIL ACCESSORIES Product No Product No Model No Product No Serial No Product No Product No Product No OMO1 20 1998 Bryant Heating amp Cooling Systems 7310 W Morris St Indpls IN 46231 8 Printed in U S A Catalog 5359 303 11 98
6. d prolonged shutdown of your unit while a filter is drying you should have an extra filter on hand This would allow you to rotate between the two with minimal downtime for your comfort system Extra filters 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 clear 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 two screws from return air grille INDOOR COIL Tf the split system coil has only been operated with a clean filter in place it should require minimal cleaning Tf coil cleaning is required call your dealer for service It may be necessary to clean the coil with a detergent solution and rinse it with water This could require the removal of the coil You should not attempt
7. ds that could result in personal injury or death CAUTION is used to identify unsafe practices which would result in minor personal injury or product and property damage A WARNING Improper installation adjust ment alteration service main tenance or use can cause explosion fire electrical shock or other conditions which may cause personal injury or prop erty damage Consult a quali fied 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 modi fying this product A WARNING 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 COMFORT SYSTEM Identifying Your System Take time to get to know the type of system you have This will be helpful 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 refrigerant tubes See Fig 1 Each unit has a rating plate affixed to it which provides necessary information for specific identification of a unit You should familiarize yourself with the product model and serial numbers listed on each rating plate Record them for future reference on last page of this
8. from the home and allowing fresh air in from the outdoors while minimizing heat loss MODE BUTTON SELECTS BETWEEN OFF HEAT COOL AND AUTO OPERATION PROGRAM BUTTONS FOR PROGRAMMING HEATING COOLING e Zoning Your system may also be equipped with a zoning system which allows individual control over the temperatures of separate areas of your home e Check Condensate Drain Your air conditioner will remove humid ity 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 CYCLES MODE HOLD OUT Ps S oF Programmable Thermostat f COPY PREVIOUS DAY PROGRAM CHANGE DAY END FAN SET TIME TEMP RESET FILTER HOLD SET T RESTARTS TH THAT CALCULATES THE NEXT AIR FILTER CHANGE OR CLEANING BUTTON RESET FILTER BUTTON IME E TIMER UNTIL RESET HOLD BUTTON MAINTAINS THE CURRENT TEMPERATURE AND OVERRIDES PROGRAMMED TEMPERATURE CHANGES don t expect to see much drainage if you live in a very dry environment e When Not To Use Your Unit Do not operate your unit when outdoor temperatures are below 55 F OPERATING YOUR AIR CONDITIONER The operation of your air conditioning system is controlled by the indoor ther mostat You si
9. heating section will operate when the SYSTEM or MODE control is set to OFF With the SYSTEM or MODE control set to COOL the cool ing section of your comfort system will operate when the indoor temperature rises above the level that you wish to maintain With the SYSTEM or MODE control set to HEAT the heating section will operate automatically when the indoor temperature falls below the level that you have selected The AUTO selection found on some ther mostats provides for automatic changeover between cooling and heating cycles With the SYSTEM or MODE control set to AUTO the cooling section will operate when the indoor temperature rises above the thermostat cooling tem perature setting and the heating section will operate when the indoor temperature drops below the thermostat setting for the heating cycle Your thermostat may be PROGRAM MABLE or NON PROGRAMMABLE A NON PROGRAMMABLE thermo stat does not allow the temperature set tings to be varied throughout the day or week without physically changing the settings A PROGRAMMABLE thermo stat allows various daily temperature changes to be preset During the winter for example you may wish to set back the temperature of your home at night then have the temperature return to normal prior to waking up The home s temperature can then be lowered again during the day when no one is at home but again be at peak comfort level when your family returns home During the sum
10. mer the opposite changes might be programmed When properly used the programming can result in energy sav ings on your home s heating and cooling COOLING CYCLE When operating in the cooling cycle your air conditioner runs until the indoor temperature is lowered to the level you have selected On extremely hot days your conditioner will run for longer periods at a time and have shorter off periods than on moderate days The following are typical conditions that add extra heat and or humidity to your home and force your cooling unit to work longer to keep your home comfortable 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 elec tric lights are in use e Drapes are open on the sunny side of the home Fig 5 Removing Filter from Fan Coil Unit 4 HEATING CYCLE With the SYSTEM or MODE control of your indoor thermostat set to HEAT the heating section of your home comfort system will operate until room tem perature is raised to the level you have selected Of course the heating unit will have to operate for longer periods to main tain 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 the pr
11. mply adjust the thermostat and it maintains the indoor temperature at LCD READOUT DISPLAYS CURRENT ROOM TEMPERATURE DESIRED ROOM TEMPERATURE OR OUTDOOR TEMPERATURE UNIT MODE SETTING FAN MODE SETTING AND TIME OF DAY UP AND DOWN BUTTONS INCREASE OR DECREASE THE DESIRED TEMPERATURE SETTINGS FAN BUTTON CHOOSES BETWEEN ON OR AUTO FAN OPERATION Fig 3 Bryant Programmable Thermostat 3 MAIN OFF Fig 4 Main Electrical Disconnect the level you select Most thermostats have three controls a temperature control selector a FAN control and a SYSTEM or MODE control The temperature control selector can be a dial lever or set of buttons that allows you to establish the degree of temperature you wish to maintain for your personal comfort Some thermostats possess two temperature control selectors one for setting the temperature desired during the cooling cycle and one to set the heating operation temperature The FAN control offers two options for controlling the indoor blower AUTO and ON When set to AUTO the blower runs only while the thermostat operates the cooling or heating section When set to ON the blower runs continuously regardless of whether the cooling or heating section is operating Typically the SYSTEM or MODE con trol on your thermostat offers the fol lowing selections COOL OFF and HEAT Your thermostat may also have a fourth selection AUTO Neither the cooling or
12. oper maintenance and care your air conditioning unit will operate economically and dependably Mainte nance can be accomplished easily by referring to the following directions However before performing mainte nance consider these important safety precautions A WARNING To prevent personal injury or death disconnect all electrical power to the air conditioner be fore removing access panels or performing any maintenance Disconnect power to both the indoor and outdoor units Note There may be more than 1 elec trical disconnect switch 4 CAUTION Although special care has been taken to minimize sharp edges in the construction of your unit be extremely careful when han dling 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 inefficient or failed operation of your unit CHECK THE FILTER S EVERY 3 TO 4 WEEKS Replace filter s when neces sary 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 avoi
13. the unit is no longer level you should correct the condition Relevel it promptly to assure that water drains 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 Check the indoor and outdoor discon nect 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 sup ply air registers Be sure registers are open and unobstructed e Check the settings on your indoor ther mostat If you desire cooling see that the temperature control selector is set below room temperature and the SYSTEM or MODE control is set to COOL or AUTO If you require warmth be sure the temperature control selector is set above room temperature and the SYS TEM or MODE control is set to HEAT or AUTO The FAN control should be set to ON for continuous blower operation or AUTO if you wish blower to function only while the unit is operating If your comfort system still fails to operate contact your servicing dealer 5 for troubleshooting and repairs Specify your apparent problem and state the model and serial numbers of your equip ment You should have them recorded on the last page of this booklet With this information your de
14. 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 outdoor coil becomes dirty use a vacuum cleaner with soft brush attachment to clean the exterior surface Vacuum coil surface using an up and down motion Be careful not to bend or damage coil fins 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 spe cial 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 mainte nance which consists of periodically washing the unit By washing all exposed surfaces and coil approximately every 3 months you will be adding additional life to your unit Consult your installing contractor for proper intervals and or procedures for your geographic area or service contact UNIT SUPPORT Your split system outdoor unit should be maintained at a level position If its support should shift or settle so that
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