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1. Unitary Products Group 035 19399 000 A 0303 TABLE 1 TROUBLE SHOOTING GUIDE PROBLEM CORRECTION NO HEAT NOT ENOUGH HEAT OUTDOOR UNIT NOT RUNNING NO COOLING ELECTRICAL POWER INTERRUPTION ice snow or wind storms Check thermostat for proper setting Check circuit breaker and fuses Check filters Call qualified service man Check thermostat for proper setting Check circuit breaker and fuses Switch thermostat to Emergency Heat position Call qualified service man Check thermostat for proper setting Check circuit breaker and fuses Check filters Call qualified service man Procedure Heating Season 1 Switch thermostat to Emergency Heat 2 Leave Emergency Heat on for at least 12 hours after electrical power is re established 3 Switch thermostat back to Heating or Auto Procedure Cooling Season 1 Switch thermostat to Off position 2 Do not switch to Cooling or Auto until electrical power has been re established for 4 hours There will be no heat available until power is re established SINGLE PACKAGE HEAT PUMP 1 5 TON RENEWAL PARTS FORM No RESPECTIVE MODEL No REPLACEMENT PARTS SINGLE PACKAGE HEAT PUMP 3 5 TON RENEWAL PARTS FORM No RESPECTIVE MODEL No 511 18 RP1Y 798 B1HA018 511 18 RP3Y 798 B1HA042 511 18 RP1 1Y 698 B1HH018 035 18257 000 A 0701 B1HH042 035 19450 004 A 0303 B1HP042 SINGLE PACKAGE HEAT PUMP 2 TON SINGLE PACKAGE HEAT PUMP2. CIENCY HEATING CONSERVATION For the most efficient operation keep storm windows and doors closed all year long They not only help to insulate against heat and cold but they also keep out dirt pollen and noise Closing drapes at night and keeping fire place dampers closed when necessary will helo you to retain the air you have already paid to heat Unitary Products Group 035 19399 000 A 0303 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 nor mal comfort level Keep windows closed after sundown While the out door 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 mois ture must be removed when you restart your system The 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 sur face burner on High requires one ton of cooling Turn on your bathroom exhaust fan while showering to remove humidity You c
3. 4 TON 511 18 RP1Y 798 B1HA024 511 18 RP4Y 798 B1HA048 511 18 RP1 1Y 698 B1HH024 511 18 RP4 1Y 698 B1HH048 035 19450 001 A 0303 B1HP024 035 19450 005 A 0303 B1HP048 SINGLE PACKAGE HEAT PUMP 2 5 TON SINGLE PACKAGEHEAT PUMP 5TON 511 18 RP1Y 798 B1HAO030 511 18 RP5Y 798 B1HAO060 511 18 RP1 2Y 698 B1HH030 511 18 RP5 1Y 698 B1HH060 035 19450 002 A 0303 B1HP030 SINGLE PACKAGE HEAT PUMP 3 TON 511 18 RP2Y 798 B1HAO036 511 18 RP2 1Y 698 B1HH036 035 19450 003 A 0303 B1HP036 Unitary Products Group 035 19399 000 A 0303 OWNER please have your installer fill in the following information immediately after unit has been installed and is properly operating Installed by Installers Address Installation Date aes BEES Owner s Name Owners Address m HC IET Equipment installed at address Model Number T Serial Number Distributor from whom the equipment was purchased The owner should keep this information in a place where it can be found if needed for warranty purposes Unitary Products Group 035 19399 000 A 0303 NOTES Unitary Products Group NOTES Subject to change without notice Printed in U S A 035 19399 000 A 0303 Copyright by Unitary Products Group 2003 All rights reserved Supersedes Nothing Unitary 5005 Norman Products York OK Group Drive 73069
4. unit If heat is needed during this 8 hour period use emergency heat HEATING CYCLE With the thermostat in the heating position and out door temperature in the range of 20 30 or below the outdoor unit will generally run 100 of time 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 This frost will melt quickly and your system will return to normal operation automatically COOLING CYCLE Switch your thermostat to cool Select a comfortable thermostat temperature setting typically between 75 and 80 degrees Comfort sensations vary with individu als The lower the indoor temperature desired the greater the number of hours your unit must operate Set your thermostat 2 or 3 F below normal several hours before entertaining large groups during hot weather People give off considerable heat and mois ture On an extremely hot day 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 over sized system would operate much less efficiently at all other condi tions AIDS TO MAXIMUM OPERATING EFFI
5. YORK Heating and Air Conditioning USER S MAINTENANCE and SERVICE INFORMATION MANUAL SINGLE PACKAGE HEAT PUMP UNITS The manufacturer recommends that the User read all sections of this manual and keep the manual for future reference Tested in accordance with 035 19399 000 A 0303 Congratulations on your purchase of our heat pump This energy effi cient unit has been precision designed manufactured of high quality materials and has passed many rigorous inspections and tests to ensure years of satisfactory performance Please read this booklet thoroughly It will help you understand your heat pump and will tell you how to operate it efficiently and how to obtain the great est measure of comfort at the lowest operating expense We appreciate your interest in our products and your decision to purchase our heat pump Enjoy your comfort This heat pump has been specially developed and built to meet dual needs of heating and cooling 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 automatically protected against dam age by voltage fluctuations or excessive heating or cooling demands GENERAL INFORMATION HOW YOUR HEAT PUMP WORKS If your hand is wet and you blow on it it feels cool because some of the moisture is evaporating and becoming a vapor This process requires heat The heat is being taken from your hand as y
6. an also help your system in the summer by closing drapes or blinds and lowering awnings on windows that get direct sunlight MAINTENANCE A CAUTION Prior to any of the following maintenance pro cedures shut off all power to the unit In order to insure long and trouble free service from your system we recommend periodic inspection cleaning lubrication and adjustment by your installing Dealer Contractor Be sure to ask about this service For those buildings with in house maintenance please follow the instructions listed below to care for your sys tem LUBRICATION Both the indoor blower motor and outdoor fan motor are permanently lubricated and require no mainte nance FILTER CARE Filters must always be used and must be kept clean When filters become dirt laden insufficient air will be delivered by the blower decreasing your units effi ciency and increasing operating costs and wear and tear on the unit and controls Unitary Products Group AIR FILTERS Single phase units are shipped without a filter and is the responsibility of the installer to place a high velocity filter into the return air duct system If an economizer or outdoor air accessory is used install a filter frame kit 1FF0114 See Figure 1 The filter rack and filters are standard on three phase units Filters should be checked monthly especially since the unit is used for both heating and cooling You must have high velocity p
7. ermanent filters High velocity per manent filters may be removed for cleaning Remove filters vacuum or wash with a stream of water directly from a faucet or hose Allow filters to dry and replace High velocity permanent filters should last for many years However if they ever need replacing they must be replaced with the same size and type NOTE Filters must be installed with Air Flow arrows pointing inward toward the indoor coil REGISTERS Supply and return air registers must be open when the unit is in operation Furniture must not block airflow in or out of the registers CONDENSER COIL An annual check and cleaning of the outdoor coil should be done Clean any debris and dirt from the out side coil face with a brush being careful not to damage the fins If extremely dirty a hose can be used to wash the coil from the inside out while brushing a soapy solu tion on the outside BLOWER ASSEMBLY Even with good filters properly in place blower wheels and motors will become dust laden after long months of operation The entire blower assembly should be inspected annually If the motor and wheel are heavily coated with dust they can be brushed and cleaned with a vacuum cleaner CHARACTERISTICS OF HEAT PUMPS A CONSTANT HEAT Heat pumps have a noticeably cooler supply air tem perature than furnaces The common practice of over sizing furnaces contributes to an off and on again operation with short blasts of hot su
8. our hand feels cool Thats what happens with a heat pump During the cooling cycle your system will remove heat and humid ity from your structure 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 structure Remember that your heat pump doesn t generate much heat it merely transfers it from one place to another This is possible because even O F outdoor air con tains a great deal of heat SYSTEM OPERATION Your thermostat puts full control of the comfort level in your structure at your fingertips oet your thermostat for heating or cooling Find the temperature that is most comfortable for you and then leave your thermostat alone Manually moving the ther mostat up or down to extreme settings will not speed up temperature changes Avoid moving the thermostat up during heating particularly where a demand type electric meter is installed This will increase your oper ating cost substantially 035 19399 000 A 0303 A CAUTION The Main power to the system must be kept On at all times to prevent damage to the outdoor unit compres sor 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 system for 8 hours after the power has been restored to the outdoor
9. pply air The heat pump system is sized more closely to the heating needs of your home Heat is supplied at a lower tem perature over a longer period of time to provide a more constant heat and it may give you the impression that your system never stops running WATER RUN OFF During the heating cycle you may notice water running off the outdoor coil Moisture from the air is condensed on the outside surface 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 temperature 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 Water vapor rising from the outdoor unit is normal and is an indication of proper operation The vapor cloud DUCT SIDE INDOOR COIL HORIZONTAL FILTER VERTICAL FILTER FIGURE 1 FILTER ACCESS 035 19399 000 A 0303 will only last for a few minutes When the defrost cycle is completed the system will automatically switch back to heating Electric heat is automatically energized to maintain comfort during defrost BEFORE CALLING A SERVICE PERSON e Check thermostat setting and insure thermostat is calling for heat or cooling Check thermostat for lint etc e Check fuses or circuit breakers e Check filters for excessive dust accumulation CONTROL BOX SIDE CONTROL INDOOR
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