York E4TS036 User's Manual
Contents
1. at home and can cycle the fan during unoccupied mode or during the night while you sleep to further conserve energy ON CONTINUOUS FAN OPERATION With the thermostat fan switch set to ON the indoor fan will not shut off However the cooling and heating sys tems will still operate as required by room temperatures This provides con tinuous air filtering and more even tem perature distribution to all conditioned spaces FAN ONLY OPERATION On moder ate days usually during spring and fall when neither heating nor cooling is required you may want to run only the fan to ventilate circulate and filter the air in your home or building Set the comfort control switch to OFF and the fan switch to ON Be sure to return the switches to their original positions for normal operation A CAUTION The Main power to the sys tem must be kept ON at all times to prevent damage to the outdoor unit compressor If necessary the thermostat control switch should be used to turn the system OFF Should the main power be disconnected or interrupted for 8 hours or longer DO NOT attempt to start the sys tem for 8 hours after the power has been restored to the outdoor unit If heat is needed during this 8 hour period use emergency heat HEATING CYCLE With the thermostat in the heating position and the outdoor temperature in the range of 20 to 30 or below the outdoor unit will genera2. GUIDE CHARACTERISTICS OF HEAT PUMPS A CONSTANT HEAT Heat pumps have a noticeably cooler supply air temperature than furnaces The common practice of over sizing furnaces contributes to an off and on again operation with short blasts of hot supply air The heat pump system is sized more closely to the heating needs of your home Heat is supplied at a lower temperature over a longer period of time to provide a more con stant heat and it may give you the impression that your system never stops running WATER RUN OFF During the heating cycle in mild weather you may notice water running off the outdoor coil Moisture from the air is condensed on the outside sur face of the coil where it gathers and runs off No need for alarm your unit has not sprung a leak OUTDOOR COIL DEFROSTING At certain outdoor conditions low tem perature high humidity frost may build up on the coil of the outdoor unit In order to maintain heating efficiency the system will automatically defrost itself Steam rising from the outdoor unit is normal and is an indication of proper operation The vapor cloud will only last for a few minutes When the defrost cycle is completed the system will automatically switch back to heat ing Electric heat is automatically ener gized to maintain comfort during defrost PROBLEM CHECK ACTION TO TAKE FAULT CODE 2 Circuit breakers and fuses COOLING Remove snow ees Reset circ
3. dirty wash reusable filters with a mild detergent per manu facturer s recommendations Replace disposable filters with new filters Install the clean filters with air flow arrow in the same direction as the air flow in your duct Filters should be clean to assure maximum efficiency and adequate air circulation Drapes furniture or other obstructions blocking your supply and return air grilles will decrease efficiency NOTE There will be no heat available until power is reestablished HEATING SEASON 1 Leave on Emergency Heat for at least 8 hours after electrical power is reestablished if the power was off more than 8 hours 2 Switch thermostat back to Heating or Auto COOLING SEASON 1 Switch thermostat to Off position 2 Do not switch to Cooling or Auto until electrical power has been reestablished for 8 hours if the power was off more than 8 hours SERVICE CALLS There are a few instances where you can avoid unnecessary service calls See Troubleshooting Guide above The flashing light on the system ther mostat of E TS units is capable of pro viding you with time and money saving information The fault code numbers listed can be handled by taking the corrective action indicated Call quali fied serviceman if displaying fault code numbers not listed PARTS INFORMATION Replacement parts are available from local YORK contractor dealers or the nearest YORK distribution center TROUBLESHOOTING
4. the indoor temperature may rise 3 to 6 F above the thermostat setting Properly selected equipment does not have the capacity to maintain a constant indoor temperature during this peak load Over sizing your system to handle this peak load isn t practical because the Unitary Products Group oversized system would operate much less efficiently at all other conditions COOLING CYCLE DISCHARGED Ca HEATED AIR ly SNE FIGURE 3 TO MAXIMIZE OPERATING EFFICIENCY HEATING CONSERVATION For the most sufficient operation keep storm windows and doors on all year long They not only help to insulate against heat and cold but keep out dirt pollen and noise too Closing the drapes at night keeping fireplace dampers closed when not in use and running exhaust fans only when necessary will help you to retain the air you have already paid to heat COOLING CONSERVATION To comfortably cool your home your heat pump must remove both heat and humidity Don t turn your system off even though you will be away all day On a hot day your system may have to operate between 8 and 12 hours to reduce the temperature in your home to a normal comfort level Keep windows closed after sundown While the outdoor temperature at night may be lower than indoors the air is generally loaded with moisture which is soaked up by furniture carpets and fabrics This moisture must be removed when you restart your sys tem The
5. TABLE OF CONTENTS HOW YOUR HEAT PUMP WORKS 2 SYSTEM OPERATION THERMOSTATS FAN OPERATION SELECTION HEATING CYCLE 010 NIN CKO L0 bz TO MAXIMIZE OPERATING EFFICIENCY HEATING CONSERVATION COOLING CONSERVATION CARE OF SYSTEM COIL CARE FILTER CARE SERVICE CALLS PARTS INFORMATION CHARACTERISTICS OF HEAT A CONSTANT HEAT WATER RUN OFF OUTDOOR COIL DEFROSTING OWNER S MANUAL OUTDOOR SPLIT SYSTEM HEAT PUMP 15 SEER 2 5 TO 5 TONS Win in LV 3 E H II de te f l ii UR pi es i eege i H ae tl A di kack E La le amp MODELS E4TS030 E4TS036 E4TS048 E4TS060 035 16473 001 Rev A 202 035 16473 001 Rev A 202 C ongratulations On your purchase of one of the most versatile heat pump systems available in the industry today This Stealth series high effi ciency system has been precision designed manufactured of high quality materials and has passed many vigorous inspections and tests to ensure years of satisfactory service This booklet is meant to increase your understanding of your system tell you how to operate it efficiently and how to obtain the greatest measure of comfort at the lowest operating expense Please read this booklet thoroughly We appreciate your interest in our product and your decision to purchase our system Enjoy your comfort This Heat Pump has been specially developed and built as a he
6. at pump to meet the dual needs of heating and cooling It s not just an air conditioner with extra parts That s why you can rely on efficient trouble free operation Your system is fully automatic Set the thermostat and forget it And it s auto matically protected from damage by voltage fluctuations or excessive heat ing or cooling demands Your split system heat pump consists of two units one installed outdoors and one installed indoors The indoor unit may be installed in a basement attic or crawl space HOW YOUR HEAT PUMP WORKS If your hand is wet and you blow on it it feels cool because some of the mois ture is evaporating and becoming a vapor This process requires heat The heat is being taken from your hand so your hand feels cool That s what happens with a_ heat pump During the cooling cycle your system will remove heat and humidity from your home and will transfer this heat to the outdoor air During the heating cycle your system will remove heat and humidity from the outdoor air and will transfer this heat to your home This is possible because even O F outdoor air contains a great deal of heat Remember that your heat pump doesn t generate much heat it merely transfers it from one place to another SYSTEM OPERATION THERMOSTATS Though thermostats may vary widely in appearance they are all designed to perform the same basic function to control the operation of your air condi tioning syste
7. hotter the outside temperature the greater the load on your system Therefore do not be alarmed when your system continues to run after the sun has set on a hot day Heat is stored in your outside walls during the day and will continue to flow into your home for several hours after sunset Use your kitchen exhaust fan when cooking One surface burner on High requires one ton of cooling Turn on 035 16473 001 Rev A 202 your bathroom exhaust fan while showering to remove humidity You can also help your system in the summer by closing drapes or blinds and by lowering awnings on windows that get direct sunlight CARE OF SYSTEM A periodic inspection cleaning lubrica tion and adjustment of your heat pump is available from your dealer Be sure to ask him about this service For those who prefer to do it yourself fol low the instructions below to care for your system COIL CARE Keep outdoor unit free of snow foliage and grass grass clippings leaves paper and any other material which could restrict proper air flow in and out of the unit The coil may be vacuumed to remove any debris from between the fins If the coil becomes excessively dirty turn the Main Disconnect Switch to OFF and wash the coil with your gar den hose Avoid getting water into the fan motor and control box Flush dirt from base pan after cleaning the coil FILTER CARE Inspect the air filter s at least once a month If they are
8. lly run 100 of the time Unitary Products Group All E TS systems are equipped with balance point control to provide even more efficient operation This control will prevent the electric heater from being energized when the outdoor air is above some predetermined temper ature setting 0 to 45 F At higher temperatures your system will provide all the heat your home will ever need At lower temperatures the supplemen tal electric heat will be energized to keep your home comfortable When the outdoor air is cool and moist frost may form on the surface of your outdoor coil When this frost builds to a certain point your system will switch to a defrost cycle Although you may feel cooler air coming from your registers DO NOT adjust your thermostat The frost will melt quickly and your system will return to normal operation auto matically HEATING CYCLE DISCHARGED amp COOLED AIR a OUTDOOR a Teen AIA r LL K INTAKE e e 3 FIGURE 2 COOLING CYCLE Switch your thermostat to cool Select a comfortable thermostat temperature setting typically between 75 and 80 Comfort sensations vary with individu als The lower the indoor temperature desired the greater will be the number of hours your unit must operate Set your thermostat 2 or 3 F below normal several hours before entertain ing large groups during hot weather People give off considerable heat and moisture On an extremely hot day
9. m Regardless of size or shape each thermostat will feature a temperature indicator a dial arm or push button for selection of the desired 2 temperature a fan switch to choose the indoor fan operation and a comfort switch for you to select the system mode of operation Your new unit will require a three stage heating two stage cooling thermostat for optimum efficiency and energy sav ings Please be aware that many dif ferent thermostats operate on batteries or power stealing princi pals UPG can not support such models to be trouble free when used with this unit The following illustrations and discus sion will aid you to determine which type of thermostat you have for your system A complete operating instruction is pro vided by the manufacturer for each thermostat Familiarize yourself with its proper operation to obtain the maxi mum comfort with a minimum of energy consumption FIGURE 1 PROGRAMMABLE ELECTRONIC THERMOSTAT FAN OPERATION SELECTION A multi position fan switch allows you to choose the type of fan operation of the indoor fan AUTO With the thermostat fan switch set to AUTO the fan will run intermittently as required for either heating or cool ing This position will provide the low est operating cost If you purchased one of the recommended thermostats they have an Intelligent fan mode which continually circulates the air dur ing occupied modes or when you are
10. uit breakers Replace blown fuses NO HEAT OR _ 3 Check Outdoor unit for dirty coil Cooling Clean coil see Coil Care section 4 Outdoor unit for snow accumulation Heating 5 Indoor unit for dirty filter Heating Clean or Replace see Filter Care section NO Q N 6 Emergency Heat Light Status on thermostat Mae ll After completing the checks and actions above turn thermostat to OFF for 10 seconds and attempt restart Wait 5 minutes If system does not start call qualified serviceman Obtain the fault code number of times the Emergency Heat light on the thermostat flashes between pauses Subject to change without notice Printed in U S A Copyright by York International Corp 2002 All rights reserved Unitary Products Group 5005 York Drive 035 16473 001 Rev A 202 Supersedes Nothing Norman OK 73069
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