Rheem Classic Series: Single Stage Use & Care Manual
Contents
1. of material in use 3 How To Clean Glass Fiber Throwaway This is a disposable type of filter Inspect monthly and replace when necessary A new home will normally require more frequent attention to the filters Aluminum Mesh Wash with detergent and water Air dry thoroughly and renew the coating in compliance with the manufacturer s instructions Plastic Impregnated Fiber Wash with detergent and water or vacuum clean then reinstall CAUTION DO NOT OPERATE YOUR SYSTEM FOR EXTENDED PERIODS WITHOUT FILTERS AS THE DUST EN TRAINED IN THE AIR MAY PACK INTO THE FIN AREA OF THE INDOOR COIL CREATING A CONDITION WHICH COULD REQUIRE EXTENSIVE REPAIRS 4 Oiling of Electrical Motors The blower motor sleeve bearings are prelubricated by the motor manufacturer and may not require attention for an indefinite period of time However our recom mendations are as follows A Motors without oiling ports Prelubricated and sealed No further lubrication should be required but in case of bearing problems the blower and the motor end bells of some motors can be disassembled and the bearings relubricated by a qualified service person B Motors with oiling ports Add from 10 to 20 drops of Electric Motor Oil or an SE grade of non detergent SAE 10 or 20 motor oil to each bearing every two years for somewhat con tinuous duty or at least every five years for light duty Take care not to over oil because excessive lubrication can2. USE AND CARE INSTRUCTIONS FOR YOUR AIR COOLED CONDENSING UNIT Thermostat Operation We find most air conditioning units are installed with a single stage heating and cooling thermostat which includes a manual heat cooling system switch and a manual auto fan switch For cooling position the system switch to cool and the fan switch to auto If constant fan operation is desired place the fan switch in the on position When heating is desired position the system switch to call for heating and place the fan switch in the auto position We suggest that you experiment with constant air circula tion during the heating and cooling cycles To achieve this style of operation place the fan switch on the thermostat subbase to the on position You may enjoy the comfort associated with the continuous air movement constant air filtration and the near even temperature from floor to ceil ing Selection of Room Temperature It is most important to select the comfort temperature you desire for either heating or cooling by use of the thermo stat temperature selector DO NOT PLAY WITH THE THERMOSTAT SET IT AND FORGET IT If the temperature selection procedure is new to you ask your installing contractor to familiarize you with the opera tion of the thermostat System Operation Information 1 Keep the filter clean Your system will operate more efficiently and provide better conditioned air more eco nomic
3. ally 2 Arrange your furniture and drapes so that the supply and return air registers and grilles are unobstructed 3 Close doors and windows This will reduce the cooling load on your system for a more economical operation 4 Avoid excessive use of kitchen exhaust fans 5 Window shades and awnings will reduce the cooling load 6 Unless you plan to clean the coil in the outdoor unit do not disconnect the main power to your unit This is a safety precaution for the protection of the compressor Otherwise use the thermostat switches to shut the system off 7 For extended periods of inoperation set the thermostat system switch in the off position and the fan switch in the auto position 8 If unit is shut off at thermostat wait 5 minutes before restarting 9 We suggest that you do not allow the outdoor unit to become a play stand for children This could be dan gerous to the child 10 Aregular period of waxing the finish on an outdoor unit will increase the life of the finish 11 Remember to keep the air filters clean for efficiency and energy saving operation Things You May Do 1 WARNING Turn off main electrical power to the outdoor unit or indoor unit before attempting any maintenance operation 2 Keep air filters clean There are several types of mate rials used in air filters and there are many possible locations for air filters Consult with your contractor as to the location of the filters and type
4. ctiveness of such coating materials cannot be verified by the equipment manufacturer The best protection is frequent cleaning maintenance and minimal exposure to contaminants CM 1090
5. damage the motor 92 20802 01 12 SUPERSEDES 92 20802 01 11 The compressor motor is in a sealed system so it does not require lubrication 5 If the indoor blower assembly is belt driven periodical ly check the system for belt tension and condition Turn thermostat system for belt tension and condition Turn thermostat system switch off and disconnect power to indoor unit Depress the belt midway between the two pulleys The belt should deflect approximately of an inch at this position Also check for cracks in the belt The belt should be replaced if wear is indicated If in doubt call your servicing contractor When the check is completed restore main power to indoor unit and reset the thermostat system switch to the on posi tion 6 If your outdoor unit is equipped with an external manu al high pressure switch reset button have your servic ing contractor familiarize you with its location Many models have compressors equipped with internal pres sure relief valves using an automatic reset feature eliminating the need for an external control This high pressure switch or the relief valve will open under excessive high pressure to protect the compressor Some models with internal relief valves will require power interruption prior to resetting itself The high refrigerant pressure may be due to a temporary condi tion so if your unit is equipped with a reset button you may reset it as required However If the problem per sist
6. ers 2 Check for blocked return air system 3 Check to see if supply registers have been closed 4 Check for open doors and windows 5 Call your servicing contractor Please do not attempt any servicing operation with which you are not familiar or experienced unless you are advised by your servicing contractor of the proper procedures Thank you Now relax and enjoy the cool air Protecting Equipment From The Environment The metal parts of this unit may be subject to rust or dete rioration in adverse environmental conditions This oxida tion could shorten the equipment s useful life Salt spray fog or mist in seacoast areas sulphur or chlorine from lawn watering systems and various chemical contami nants from industries such as paper mills and petroleum refineries are especially corrosive WARNING DISCONNECT ALL POWER TO UNIT BEFORE STARTING MAINTENANCE 1 Avoid having lawn sprinkler heads spray directly on the unit cabinet 2 Frequent washing of the cabinet fan blade and coil with fresh water will remove most of the salt or other contaminants that build up on the unit 3 Regular cleaning and waxing of the cabinet with a good automobile polish will provide some protection 4 A good liquid cleaner may be used several times a year to remove matter that will not wash off with water Several different types of protective coatings are offered in some areas These coatings may provide some benefit but the effe
7. s refer to item 8 and or refer the problem to your servicing contractor 7 If the condenser coil is allowed to become restricted by dirt lint paper grass clippings leaves etc the sys tem efficiency will suffer and abnormally high refriger ant operating pressures will result To correct this con dition be sure to first cut off power to the unit and then clean such material from the condenser coil and cabinet Using a garden hose with a nozzle can be effective in cleaning the condenser coil but the water should be sprayed from the inside to outside of the coil in the opposite direction from the normal airflow when the condensing unit is operating 8 If you Know or suspect that the compressor in the out door section is not working you should place the ther mostat system switch on the thermostat subbase to the off position This will stop the operation of the outdoor unit 9 If you suspect that a problem has developed with your system and before you advise your servicing contrac tor we suggest you check the following service hints Problem Remedy No Cooling 1 Set thermostat correctly Return system switch to the off position wait 5 minutes before returning system switch to cool position 2 Reset high pressure switch on outdoor unit 3 Check fusing or circuit breakers serving outdoor and indoor units 4 Call servicing contractor Insufficient cooling Unit operates continuously 1 Check air filt
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