Carrier 38EZG024 SERIES300 User Manual CONDENSING UNIT Manuals And Guides L0408354
CARRIER Air conditioner/heat pump(outside unit) Manual L0408354 CARRIER Air conditioner/heat pump(outside unit) Owner's Manual, CARRIER Air conditioner/heat pump(outside unit) installation guides
User Manual: Carrier 38EZG024 SERIES300 38EZG024 SERIES300 CARRIER CONDENSING UNIT - Manuals and Guides View the owners manual for your CARRIER CONDENSING UNIT #38EZG024SERIES300. Home:Heating & Cooling Parts:Carrier Parts:Carrier CONDENSING UNIT Manual
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Puron the environmentally NOTE TO INSTALLER: THIS MANUAL SHOULD sound refrigerant BE LEFT WITH THE EQUIPMENT USER. WELCOME TO EFFICIENT COOLING COMFORT HOME Congratulations on your excellent choice and sound investlnent in holne cooling COlnfort! Your new air conditioning unit represents both the latest in engineering developlnent and the cuhnination of lnany years of experience froln one of the most reputable lnanufhcturers of comfort systems. This unit utilizes Carrier's environlnentally R) - • friendly Puron refrigerant. Your new unit is alnong the most energy-efcient and reliable air conditioning products available today. To assure its dependability, spend just a few lninutes with this booklet now. Learn about the operation of your air conditioner, and the small alnount oflnaintenance it takes to keep it operating at its peak efciency. With lninilnal care, your new air conditioner will provide you and your falnily with cool COlnfort both now and for years to COlrie. Safety Consideration Recognize safety inforlnation. This is the safety-alert symbolAx. When you see this symbol on the unit or in instructions and lnanuals, be alert to the potential for personal injury. Understand the signal word DANGER, WARNING, or CAUTION. These works are used with the safety-alert symbol. DANGER identifies the lnost serious hazards whichwill result in severe personal injury or death. WARNING signifies hazards that could result in personal injury or death. CAUTION is used m identify unsafe practices whichwould result in minor personal iNury or product and property damage. 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, 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 the unit before operating your new air conditioner. YOUR COMFORT Identifying SYSTEM Your System Tal_efe time to thmiliarize yourself with the type of system you have. This l_owledge will be of use in understanding the basic operation of your new air conditioner. The type of air conditioner you have purchased is a split system. The split-system type has an indoor and an outdoor unit, each of which contains a coil. These units are intercomaected by refrigerant tubes, as shown in Fig. 1. Each unit has a rating plate affixed to it which provides necessary inforlnation for specific identification of a unit. You should falniliarize yourself with the product, model, and serial nulnbers listed on each rating plate. Record theln for flmlre reference on the last page of this booklet. IMPORTANT FACTS To better protect your investlnent and to elilninate unnecessary service calls, fhmiliarize 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, filrnimre, and toys are some of the items COlrnnonly found obstructing registers. Restricted airflow lessens the unit's efficiency and life span. • The outdoor unit lnust 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 acculnulate around or on top of the unit. Maintain a 12-in. lninilmun clearance between the outdoor unit and tall grass, vines, slmlbs, etc. • Your lnultipurpose indoor therlnostat is the control center for your air conditioning system. You should falniliarize yourself with its proper operation. Attelnpting to control the system by other mean_for instance, switching the electrical supply power ON and OFF may cause damage to the unit. • Therlnostat "jiggling" causes rapid-cycling, which is potentially dalnaging to the COlnpressor. Do not lnove the telnperamre selector on the therlnostat for any reason for at least 5 lninutes after the colnpressor has shut off'. • You may find that you can lnaintain greater personal colnfort by rulming the Pancontinuously. Air pockets can forln due to the structure of the house, placelnent of registers, etc. These pockets may be too cool or warm for your lilting. Continuous l:an operation lninilnizes any telnperamre differences. Also, systems equipped with electronic or mechanical air cleaners and!or hulnidifiers offer the added benefits o fhaving the air continuously cleaned year-round and hulnidified during the winter season. Fig. 1--Typical Split-System Installation • A system equipped with a heat or energy recovery ventilator offers the advantage of exhausting stale air froln the holne and allowing fresh air in fi%_lnthe outdoors while lninilnizing heat lOSS. LCD READOUT 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 Fig. 2--Typical FAN BUTTON CHOOSES BETWEEN ON OR AUTO FAN OPERATION Carrier Non-Programmable Thermostat • Your system may also be equipped with a zoning system which allows indivi&ml control over the telnperamres of separate areas of your holne. OPERATING YOUR AIR CONDITIONER • Your air conditioner will relnove humidity fioln your holne during the cooling season. Atier a few lninutes of operation, you should be able to see water trickle froln the condensate drain of the cooling coil. Check this occasionally m be sure the drain system is not clogged. Of course, don't expect to see lnuch drainage if you live in a very daN enviromnent. The operation of your air conditioning system is controlled by the indoor therlnostat. You simply adjust the therlnostat and it lnaintains the indoor telnperature at the level you select. Most therlnostats have tl_ee controls: a telnperature control selector, a FAN control, and a SYSTEM or MODE control. Fig. 2 and 3 show typical Carrier therlnostats. • Your unit is not designed to be operated when outdoor temperatures are lower than 55°F without modification. If operation below this telnperau_lre is required, consult your installer. The telnperamre control selector is a dial, lever, or set of buttons flint allows you to select the telnperamre you wish to maintain for your personal COlnfort.Some thermostats possess avo telnperamre Fig. 3--Typical Carrier Programmable Thermostat COOLING MAIN MODE When operating in cooling lnode, your air conditioner will mn until the indoor telnperamre is lowered to the level you have selected. On extremely hot days, your air conditioner will mn for longer periods at a time and have shorter off periods than on lnoderate days. The following are typical conditions that add extra heat and/or humidity to your holne and force your cooling unit to work longer to keep your holne COlnfortable: • Entrance doors are fi_equently opened and closed. • Laundry appliances are being operated. / • A shower is rulming. • More than the ustml number of people are present in the home. Fig. 4reMain Electrical Disconnect ccnatrol selectors: one for setting the temperature desired during cooling operation, and one for setting the temperature for heating operation. The FAN control oilers two options for comrolling the blower: AI_FFOand ON. When set to AUTO, the blower runs only wMe the thennostat operates the cooling or heating equipment. When the FAN comrol is set to ON, the blower runs continuously regardless of whether the cooling or heating equiplnent is operating. Typically, the SYSTEM or MODE comrol on your therlnostat oilers the following selections: COOL, OFF, and HEAT. Your therlnostat may also have a fourth selection: AUTO. Neither the cooling or heating equiplnent operate when the SYSTEM or MODE comrol is set m OFE With the SYSTEM or MODE ccnatrol set to COOL, your air conditioner will operate when the indoor temperature rises above the level that you wish to maintain. With the SYSTEM or MODE control set m HEAT, your fimmce or other heating equiplnent will operate autolnatically when the indoor telnperamre fhlls below the level that you have selected. The AUTO selection found on some therlnostats provides for autolnatic changeover between cooling and heating lnodes. With the SYSTEM or MODE control set to AUTO, your air conditioner will operate when the indoor telnperature rises above the therlnostat cooling telnperature setting, and your furnace or other heating equiplnent will operate when the indoor telnperature drops below the therlnostat setting for the heating cycle. NOTE: For 2-speed air conditioners, this special feature is built in to protect the unit: • More than the norlnal number of electric lights are in use. • Drapes are open on the sulmy side of the holne. HEATING MODE With the SYSTEM or MODE control of your indoor therlnostat set to HEAT, the furnace or other heating equiplnent of your holne COlnfort system will operate until room telnperature is raised to the level you have selected. Of course, the heating equipment will have to operate for longer perio& to lnaintain a COlnfortable enviromnent on cooler days and nights than on lnoderate ones. Refer to your furnace User's Manual for specific inforlnation on heating operation. NOTES: a) Two-speed air conditioners operate for long periods of time on low speed. This operation ilnproves system efficiency and your COlnfort tluough closer control of telnperature and humidity. Expect longer operating cycles. b) With two-speed air conditioners, low and high indoor airflow settings are critical for lnaintaining system comfort and efficiency. Consult your installer for airflow setting adjustlnents. PERFORMING ROUTINE MAINTENANCE With the proper lnaintenance and care, your air conditioner will operate economically and dependably. Maintenance can be accolnplished easily by referring to the following directions. • 1-MINUTE TIME DELAY When changing speeds froln low to high, or high to low, there is a 1-lninute time delay. During the speed change delay, the oudoor thn will continue to run. If you wish to prograln your accessory electronic indoor therlnostat, refer to therlnostat Installation Instructions. Your therlnostat may be PROGRAMMABLE or NON-PROGRAMMABLE. A NON-PROGRAMMABLE therlnostat does not allow the telnperature settings to be varied tluoughout the day or week witlxmt physically changing the settings. A PROGRAMMABLE therlnostat allows various daily telnperature changes to be preset. During the winter, for example, you may wish to "set back" the telnperature of your holne at night, flaen have the temperature return to norlnal prior to waiting up. The holne's temperamre can then be lowered again during the day when no one is at holne, but again be at peak COlnfortlevel when your thmily returns holne. During the smraner, the opposite changes lnight be progralrnned. When properly used, the progralraning can result in energy savings on your holne's heating and cooling. Fig. 5mRemoving Filter from Fan Coil Unit However, before perforlning lnaintenance, consider these ilnportant safety precautions. To prevent personal injury or death disconnect all electrical power to the indoor air handler or furnace before removing access panels to perform maintenance. Disconnect power to both the indoor and any outdoor units. NOTE: there may be more than 1 electrical disconnect switch. 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. CHECKTHE INDOOR AIR FILTER A dirty air filter will cause excessive strain on the compressor and blower motor. This can cause the colnponents to overheat and automatically shut down. In the worst case, the COlnponents will fail and need m be replaced. To avoid inefficient or failed operation of your unit, CHECK THE FILTER(S) EVERY 3 TO 4 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 dilnensions. Reusable, perlnanent 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. This allows you m rotate between the two with lninilnal downtilne for your colnfort 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 fimmce, refer to your furnace User's Mamml for filter location and procedures for cleaning or replacelnent. If your system includes an indoor fan coil unit, the filter may be located in the unit where it com_ects with the return-air duct or plenum. (See Fig. 5.) Relnove 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 relnoving two screws froln return air grille. ELECTRONIC AIR CLEANER If your system contains an Electronic Air Cleaner consult the User's Mamml for specific care of that product. INDOOR COIL It'the split-system coil has only been operated with a clean filter in place, it should require lninilnal cleaning.You may use a vacuum cleaner and soft brush attacl_nent to relnove any accumulation of dust froln the mp and underside of the fnmed coil surface. However, only perforln this lnaintenance when the coil is completely dry. If coil cleaning is required, call your dealer for service. It lnay be necessary to clean the coil with a detergent solution and rinse it with water. This could require the relnoval of the coil. You should not attempt this yourself. OUTDOOR COIL It"grass clippings, leaves, slmlbbery, and debris are kept away from the outdoor unit, lninilnal care should be sufficient m keep the systeln functioning properly. For proper drainage, debris lnUSt be relnoved periodically from the base pan. However, if the outdoor coil becomes dirty, use a vacuum cleaner with soft brash attacl_nent to clean the exterior sur*hce._acuum coil surlhce with an up and down iTlotion. Be carefifl not to bend or damage fia_s. If dirt is deep in the coil, contact your dealer for service. The outdoor fan motor may have to be discom_ected and the top panel relnoved to gain access to the coil for thorough cleaning. Do not attempt this yourself. OUTDOOR COILISEA COAST It"your unit is located near the ocean, special lnaintenance is required. Ocean mist/breeze carries salt, which is corrosive to most metals. Although your new unit is made of galvanized metal and is protected by top-grade paint, you should take the precamion of additional lnaintenance which consists of periodically washing the unit. By washing all exposed surfaces and coil approximately every 3 lnonths, you will be adding additional life to your unit. Consult your installing contractor for proper intervals/procedures for your geographic area or service contract. UNIT SUPPORT Your split-system outdoor unit should be lnaintained in a level position. If its support should shift or settle so that the unit is no longer level, you should correct the condition. Relevel it prolnptly to assure proper water drainage out of the unit. If you notice that water or ice collects beneath the unit, arrange for it to be drained away froln the unit. BEFORE YOU REQUEST CALL CHECK FORTHESE PROBLEMS: A SERVICE EASILY SOLVED • Check the indoor and outdoor discom_ect switches. Verify that circuit breakers are ON or that fi_seshave not blown. • Check for sufficient airflow. Check the air filter(s) for any accumulations of dirt. Check for blocked return-air or supply-air registers. Be sure registers are open and unobstructed. • Check the settings on your indoor therlnostat. If you desire cooling, lnake sure that the temperature ccnatrol selector is set below rooln telnperature and the SYSTEM or MODE control is set to COOL or AUTO. If you require warlnth, be sure the telnperature control selector is set above rooln telnperature and the SYSTEM 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 fimction only while your heating or cooling equiplnent is operating. • Check note concerning special features and time delays in "Operating Your Air Conditioner" section. If your COlnfort system still thils to operate, turn your system off and contact your servicing dealer for troubleshooting and repairs. Speci_yourapparent problem, andstatethemodeland • Inspection of the indoor coil drain pan, plus the primary and serialnulnbers ofyourequiplnent. (Youshould havetheln secondary drain lines. If supplied, the auxiliary daain pan and line recorded thelastpageofthisbooklet.) Withthisinforlnation, should be inspected at this tilne. Service should include cleaning yourdealermaybeabletoofferhelpfulsuggestions overthe if required. phone orsave valuable timethrough knowledgeable preparation• A check of all electrical wiring and connections. fortheservice call. REGULAR DEALER MAINTENANCE In addition to the routine lnaintenance that you perforln, your holne COlnfort system should be inspected regularly by a properly trained service teclmician. The inspection (preferably each year, but at least every other year) should include the following: • Routine inspection of air filter(s). Cleaning or replacelnent as required. • Inspection and cleaning of the blower wheel, housing, and lIlotor. • Inspection and, if required, cleaning of indoor and outdoor coils. • A check for secure physical connections of individual coinponents within units. • Operational check of the air conditioning system to determine actual working condition. Necessary repair and/or adjustlnent should be perforlned at this tilne. Your servicing dealer may offer an econolnical service contract that covers seasonal inspections. Ask for flmher details. FOR THE RECORD Record the model, product, and serial numbers of your new equiplnent in the spaces provided on the last page of this Owner's Mantml. This inforlnafion, along with the other readyreference Pacts requested, will be necessary should you ever require inforlnation or service. INSTALLATION DATA MODULAR Date Installed INDOOR Blower--Product UNIT, if Applicable: No. Dealer Name Model No. Address Serial No. City State Coil--Product Zip No. Model No. Telephone Serial No. SPLIT-SYSTEM OUTDOOR UNIT: Heater--Product No. Product No. Model No. Model No. Serial No. Serial No. ACCESSORIES INDOOR UNIT OR COIL: Product No. Product No. Product No. Model No. Product No. Serial No. Product No. Product No. ® Printed HEATING TO OBTAIN Manufacturer Copyright 2000 Carrier Corporation reserves the right to discontinue, Form: OM38-49 or change under the • Indianapolis, IN 46231 at any time, specifications Replaces: OM38-46 paper. & COOLING INFORMATION ON PARTS: Consult your installing dealer or classified section of your local telephone directory "Heating Equipment" or "Air Conditioning Contractors & Systems" heading for dealer listing by brand name. Have available the Model No., Series Letter, & Serial No. of your equipment to ensure correct replacement part. Carrier Corporation on recycled or designs without Printed in the US.A notice and without 05-00 incurring PC 10I obligations Catalog No 533-767
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