Rheem Value Series: 80% AFUE Single-Stage PSC Motor Use & Care Manual
Contents
1. BOTTOM SIDE QTY 5 45 amp 50 127 x 25 15 x 25 67 75 8 100 15 x 25 15 25 100 197 25 15 25 125 8 150 22 25 15 25 Figure 6 Downflow Filters Installation DOWNFLOW FILTERS DOWNFLOW FILTER SIZES FURNACE INPUT WIDTH BTUH SIZE QTY 15 8 50 147 20 67 75 8 100 12 x 20 100 12 x 20 125 amp 150 14 20 REMOVING FILTERS UPFLOW FURNACE FILTER IN BOTTOM LOCATION 1 Remove the blower compartment access door 2 Disengage the filter retaining rod and pull filter out 3 Clean filter and reinstall DOWNFLOW FURNACE FILTERS IN TOP DUCT LOCATION 1 Remove the blower compartment access door 2 Push up and in on the filters to disengage from retaining bracket and pull filters out 3 Clean filter s and reinstall ROUTINE MAINTENANCE Routine maintenance to be provided by a qualified installer service agency or the gas supplier ONLY LUBRICATION The blower motor and induced draft motor are prelubricated by the manufacturer and do not require further attention 4 WARNING DISCONNECT MAIN ELECTRICAL POWER TO THE UNIT BEFORE ATTEMPTING ANY MAINTENANCE FAILURE TO DO SO CAN RESULT IN ELECTRICAL SHOCK SEVERE PERSONAL INJURY OR DEATH The blower compartment and motor should be inspected and cleaned periodically by your qualified installer service agency or the gas supplier to prevent the possibility2. that carries the cooled or heated air To maintain efficiency comfort and good indoor air quality it is important to have the proper balance between the air being supplied to each room and the air returning to the cooling and heating equipment Proper balance and sealing of the duct system improves the efficiency of the heating and air conditioning system and improves the indoor air quality of the home by reducing the amount of airborne pollutants that enter homes from spaces where the ductwork and or equipment is located The manufacturer and the U S Environmental Protection Agency s Energy Star Program recommend that central duct systems be checked by a qualified contractor for proper balance and sealing RECEIVING Immediately upon receipt all cartons and contents should be inspected for transit damage Units with damaged cartons should be opened immediately damage is found it should be noted on the delivery papers and a damage claim filed with the last carrier e After unit has been delivered to job site remove carton taking care not to damage unit Check the unit rating plate for unit size electric heat coil voltage phase etc to be sure equipment matches what is required for the job specification e Read the entire instructions before starting the installation Some building codes require extra cabinet insulation and gasketing when unit is installed in attic applications f inst
3. flow of fresh air to the unit Your installation may DO NOT DESTROY PLEASE READ CAREFULLY AND KEEP IN A SAFE PLACE FOR FUTURE REFERENCE 92 20802 64 05 SUPERSEDES 92 20802 64 04 receive air from the inside heated space from the outside from the attic or crawl space Whenever adding insulation be sure the air supply openings are not covered 7 Do not use this furnace if any part has been under water Immediately call a qualified installer service agency or the gas supplier to inspect the furnace and to replace any part of the control system and any gas control which has been under water GENERAL INFORMATION A WARNING DUCT LEAKS CAN CREATE AN UNBALANCED SYSTEM AND DRAW POLLUTANTS SUCH AS DIRT DUST FUMES AND ODORS INTO THE HOME CAUSING PROPERTY DAMAGE FUMES AND ODORS FROM TOXIC VOLATILE OR FLAMMABLE CHEMICALS AS WELL AS AUTOMOBILE EXHAUST AND CARBON MONOXIDE CO CAN BE DRAWN INTO THE LIVING SPACE THROUGH LEAKING DUCTS AND UNBALANCED DUCT SYSTEMS CAUSING PERSONAL INJURY OR DEATH SEE FIGURE 1 IF AIR MOVING EQUIPMENT OR DUCTWORK IS LOCATED IN GARAGES OR OFF GARAGE STORAGE AREAS ALL JOINTS SEAMS AND OPENINGS IN THE EQUIPMENT AND DUCT MUST BE SEALED TO LIMIT THE MIGRATION OF TOXIC FUMES AND ODORS INCLUDING CARBON MONOXIDE FROM MIGRATING INTO THE LIVING SPACE IF AIR MOVING EQUIPMENT OR DUCTWORK IS LOCATED IN SPACES CONTAINING FUEL BURNING APPLIANCES SUCH AS WATER HEATERS OR BO
4. ARILY LODGE IN THE AIR DUCT RUNS AND AT THE SUPPLY REGISTERS ANY RECIRCULATED DUST PARTICLES WILL BE HEATED AND CHARRED BY CONTACT WITH THE FURNACE HEAT EXCHANGER THIS RESIDUE WILL SOIL CEILINGS WALLS DRAPES CARPETS AND OTHER HOUSEHOLD ARTICLES IT 15 RECOMMENDED THAT ANNUAL INSPECTION OF YOUR FURNACE BE DONE BY A QUALIFIED INSTALLER SERVICE AGENCY OR THE GAS SUPPLIER FILTER MAINTENANCE Have your qualified installer service agency or the gas supplier instruct you on how to access your filters for regular maintenance 4 WARNING TURN OFF ELECTRICAL POWER TO FURNACE BEFORE REMOVING FRONT ACCESS DOOR FAILURE TO DO SO CAN RESULT IN ELECTRICAL SHOCK SEVERE PERSONAL INJURY OR DEATH Keep air filters clean at all times Vacuum dirt from filter wash with detergent and water air dry thoroughly and reinstall After filters are cleaned and returned to the furnace be sure doors are properly reinstalled If you are not totally sure of this procedure consult a qualified installer service agency or the gas supplier Figure 4 Upflow Filter Location FURNACE JACKET Figure 5 Upflow Side Filter Installation BLOWER SHELF FURNACE JACKET FILTER RETAINING ROD AS BOTTOM RETURN FILTER Ss BOTTOM RETURN FILTER LOCATION SIDE RETURN FILTER LOCATION BLOWER SHELF Il UPFLOW FILTER SIZES FILTER RETAINING ROD FURNACE INPUT SIZE SIDE RETURN FILTER WIDTH BTUH
5. E DEVICES CAN BE INADVERTENTLY DRAWN INTO AND DISTRIBUTED THROUGH THE LIVING SPACE BY THE NORMAL OPERATION OF THE CENTRAL HEATING AIR CONDITIONING SYSTEM SEE FIGURE 1 APPLIANCES AND FUEL BURNING DEVICES MUST BE INSTALLED OPERATED AND MAINTAINED IN ACCORDANCE WITH THE MANUFAC TURER S INSTRUCTIONS GASOLINE POWERED TOOLS AND MOTOR VEHICLES MUST NOT BE OPERATED IN ENCLOSED SPACES SUCH AS BASEMENTS CRAWL SPACES OR GARAGES EVEN WITH DOORS AND WINDOWS OR VENTS OPEN AS EXHAUST FUMES INCLUDING CARBON MONOXIDE CAN BUILD UP AND SEEP INTO THE LIVING SPACE THROUGH CRACKS AND OPENINGS IN THE STRUCTURE TOXIC FUMES INCLUDING CARBON MONOXIDE CAN ALSO BE DRAWN INTO THE LIVING SPACE THROUGH OPENINGS AND SEAMS IN THE CENTRAL HEATING AND AIR CONDITIONING EQUIPMENT AND DUCTWORK FOR THESE REASONS THE U S CONSUMER PRODUCT SAFETY COMMISSION CPSC RECOMMENDS THAT EVERY HOME HAVE AT LEAST ONE CARBON MONOXIDE ALARM INSTALLED IN THE HALLWAY NEAR THE BEDROOMS IN EACH SEPARATE SLEEPING AREA OF THE HOME CARBON MONOXIDE ALARMS SHOULD BE CERTIFIED TO THE REQUIREMENTS OF THE MOST RECENT UL IAS OR CSA STANDARD AND SHOULD BE INSTALLED OPERATED AND MAINTAINED IN ACCORDANCE WITH THE ALARM MANUFACTURER S INSTRUCTIONS FIGURE 1 MIGRATION OF DANGEROUS SUBSTANCES FUMES AND ODORS INTO LIVING SPACES IMPORTANT INFORMATION ABOUT EFFICIENCY AND INDOOR AIR QUALITY Central cooling and heating equipment is only as efficient as the duct system
6. EXACTLY A FIRE OR EXPLOSION MAY RESULT CAUSING PROPERTY DAMAGE PERSONAL INJURY OR LOSS OF LIFE NOTE Read and follow the Safety Information Operating Instructions and Instructions To Turn Off Gas To Appliance located on the furnace This label will have specific information regarding the furnace and its gas controls TYPICAL GAS CONTROL VALVE A Gas valves and controls vary in appearance but two basic types are standard STANDING PILOT The gas control lever or knob has ON OFF SET and PILOT positions see Figure This furnace has a pilot burner which must be lighted manually by hand When lighting the pilot burner follow the instructions exactly See Lighting Instructions ELECTRIC IGNITION The gas control lever or knob has and OFF positions only see Figure 3B This furnace is equipped with an ignition device which automatically lights the burners Do not try to light the burners by hand B BEFORE OPERATING smell all around the appliance area for gas Be sure to smell next to the floor because some gas is heavier than air and will settle on the floor WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance Do not touch any electric switch do not use any phone in your building e Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions c Allow the pilot burner to burn approximately one half min
7. ILERS ALL JOINTS SEAMS AND OPENINGS IN THE EQUIPMENT AND DUCT MUST ALSO BE SEALED TO PREVENT DEPRESSURIZATION OF THE SPACE AND POSSIBLE MIGRATION OF COMBUSTION BYPRODUCTS INCLUDING CARBON MONOXIDE INTO THE LIVING SPACE amp NOTICE IMPROPER INSTALLATION OR INSTALLATION NOT MADE IN ACCORDANCE WITH THE CSA INTERNATIONAL CSA CERTIFICATION OR THESE INSTRUCTIONS CAN RESULT IN UNSATISFACTORY OPERATION AND OR DANGEROUS CONDI TIONS AND ARE NOT COVERED BY THE UNIT WARRANTY A NOTICE IN COMPLIANCE WITH RECOGNIZED CODES IT IS RECOMMENDED THAT AN AUXILIARY DRAIN PAN BE INSTALLED UNDER ALL EVAPORATOR COILS OR UNITS CONTAINING EVAPORATOR COILS THAT ARE LOCATED IN ANY AREA OF A STRUCTURE WHERE DAMAGE TO THE BUILDING OR BUILDING CONTENTS MAY OCCUR AS A RESULT OF AN OVERFLOW OF THE COIL DRAIN PAN OR A STOPPAGE IN THE PRIMARY CONDENSATE DRAIN PIPING SEE ACCESSORIES SECTION OF THESE INSTRUCTIONS FOR AUXILIARY HORIZONTAL OVERFLOW PAN INFORMATION MODEL A WARNING CARBON MONOXIDE CO IS A COLORLESS ODORLESS POISONOUS GAS THAT CAN CAUSE SEVERE PERSONAL INJURY OR DEATH CARBON MONOXIDE CAN BE PRODUCED BY ANY FUEL BURNING DEVICE INCLUDING BUT NOT LIMITED TO e MOTOR VEHICLES GENERATORS AND OTHER GASOLINE POWERED TOOLS AND ENGINES e GAS AND FUEL OIL APPLIANCES e CHARCOAL OR GAS GRILLS WOOD OR GAS FIREPLACES AND STOVES OUTDOOR CAMPING EQUIPMENT CARBON MONOXIDE FROM ANY ONE OF THES
8. USER S INFORMATION MANUAL UPFLOW DOWNFLOW UPFLOW HORIZONTAL amp HORIZONTAL ONLY INDUCED DRAFT GAS FURNACES A Recognize this symbol as an indication of Important Safety Information A WARNING If the information in this manual is not followed exactly a fire or explosion may result causing property damage personal injury or loss of life FOR YOUR SAFETY Do not store or use gasoline or other flammable vapors and liquids or other combustible materials in the vicinity of this or any other appliance WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance Do not touch any electrical switch do not use any phone in your building e Immediately call your gas supplier from neighbor s phone Follow the gas supplier s instructions f you cannot reach your gas supplier call the fire department Do not rely on smell alone to detect leaks Due to various factors you may not be able to smell fuel gases AU L recognized fuel gas and CO detector s are recommended in all applications and their installation should be in accordance with the manufacturer s recommendations and or local laws rules regulations or codes Installation and service must be performed by a qualified installer service agency or the gas supplier IMPORTANT READ THESE INSTRUCTIONS THOROUGHLY BEFORE ATTEMPTING TO OPERATE THIS FURNACE This furnace has been designed to give you many years of e
9. alled in an unconditioned space apply caulking around the power wires control wires refrigerant tubing and condensate line where they enter the cabinet Seal the power wires on the inside where they exit conduit opening Caulking is required to prevent air leakage into and condensate from forming inside the unit control box and on electrical controls e Install the unit in such a way as to allow necessary access to the coil filter rack and blower control compartment e Install the unit in a level position to ensure proper condensate drainage Make sure unit is level in both directions within 1 8 e Install the unit in accordance with any local code which may apply and the national codes Latest editions are available from National Fire Protection Association Inc Batterymarch Park Quincy MA 02269 These publications are e ANSI NFPA No 70 Latest Edition National Electrical Code e NFPAQOA Installation of Air Conditioning and Ventilating Systems e NFPAQOB Installation of warm air heating and air conditioning systems e The equipment has been evaluated in accordance with the Code of Federal Regulations Chapter XX Part 3280 OTRUM OPERATION INFORMATION 1 Keep the air filters clean Your heating system will operate more efficiently and provide better heating more economically 2 Arrange your furniture and drapes so that the supply air registers and the return air grilles are unobs
10. e 6 Be sure the physical support of the furnace is sound without sags cracks etc around the base so as to provide a seal between the support and the base 7 Look for obvious signs of deterioration of the furnace 8 If the furnace is free of the above conditions replace the access doors and restore electrical power to the furnace 9 Start the furnace and observe its operation Watch the burner flames to see if they are bright blue If a suspected malfunction is observed or the burner flames are not bright blue apply appropriate service CM 0710
11. fficient dependable home comfort With regular maintenance this furnace will operate satisfactorily year after year Please read this manual to familiarize yourself with operation routine maintenance schedule and safety procedures A WARNING DEVICES ATTACHED TO THE FLUE OR VENT FOR THE PURPOSE OF REDUCING HEAT LOSS UP THE CHIMNEY INCLUDING FIELD INSTALLED DRAFT INDUCERS HAVE NOT BEEN TESTED AND HAVE NOT BEEN INCLUDED IN THE DESIGN CERTIFICATION OF THIS FURNACE WE THE MANUFAC TURER CANNOT AND WILL NOT BE RESPONSIBLE FOR INJURY OR DAMAGE CAUSED BY THE USE OF SUCH UNTESTED AND OR UNCERTIFIED DEVICES ACCESSORIES OR COMPONENTS SAFETY A WARNING IMPROPER INSTALLATION ADJUSTMENT ALTERATION SERVICE OR MAINTENANCE CAN CAUSE PROPERTY DAMAGE PERSONAL INJURY OR DEATH FOR ASSISTANCE OR ADDITIONAL INFORMATION CONSULT A QUALIFIED INSTALLER SERVICE AGENCY OR THE GAS SUPPLIER A WARNING OBSTRUCTION OF THE AIR VENT ON AN LP PROPANE TANK REGULATOR CAN CAUSE EXPLOSION OR FIRE RESULTING IN PROPERTY DAMAGE SEVERE PERSONAL INJURY OR DEATH YOUR GAS SUPPLIER SHOULD PERIODICALLY INSPECT AND CLEAN THE AIR VENT SCREEN TO PREVENT ANY OBSTRUCTION KEEP PROTECTIVE REGULATOR COVER IN PLACE AS EXPOSURE TO THE ELEMENTS CAN CAUSE ICE BUILDUP AND REGULATOR FAILURE CAREFULLY FOLLOW THESE SAFETY RULES 1 Combustible material must not be placed on or against the furnace jacket The area around the furnace mus
12. igure 3B Hot Surface Ignition No Pilot Gas control knob shown in position HONEYWELL VALVE Gas control switch shown in ON position HONEYWELL VALVE Gas control knob shown OT in OFF position WHITE RODGERS VALVE Gas control lever shown in position _ ROBERTSHAW 7200 VALVE 3 Turn off all electric power to the appliance 4 This appliance does not have a pilot burner It is equipped with an ignition device which automatically lights the burner Do not try to light the burner by hand 5 Remove control door 6 HONEYWELL OR WHITE RODGERS VALVES Turn the gas control knob clockwise or set the gas control switch to the OFF position ROBERTSHAW 7200 VALVE Depress the gas control lever and move to OFF position 7 Wait five 5 minutes to clear out any gas If you then smell gas STOP Follow B in the safety information above If you don t smell gas go to the next step 8 HONEYWELL VALVES Turn on the gas to the main burners by turning the gas control knob counterclockwise or set the gas control switch to the ON position ROBERTSHAW 7200 VALVE Move the gas control lever from the OFF to the ON position 9 Replace the control door 10 Turn on all electric power to the appliance 11 Set the thermostat to the desired setting 12 If the appliance will not operate follow the instructions To Turn Off Gas To The Ap
13. of overheating due to an accumulation of dust and dirt on the windings or on the motor exterior And as suggested elsewhere in these instructions the air filters should be kept clean because dirty filters can restrict airflow and the motor depends upon sufficient air flowing across and through it to keep from overheating COMBUSTION AREA AND VENT SYSTEM 1 It is recommended that an annual inspection of your furnace be done by a qualified installer service agency or the gas supplier 2 Turn OFF the electrical supply to the furnace and remove the access doors 3 Inspect the gas burners for dirt rust or scale 4 WARNING IF DIRT RUST SOOT OR SCALE ACCUMULATIONS ARE PRESENT DO NOT OPERATE THE FURNACE INSPECT THE HEAT EXCHANGERS FOR LEAKS LEAKS CAN CAUSE TOXIC FUMES TO ENTER THE HOME RESULTING IN CARBON MONOXIDE POISONING OR DEATH 4 Inspect the the flue connection area and vent pipe Be sure that the vent connector is in place and slopes upward and is physically sound without holes or excessive corrosion A WARNING IF HOLES ARE FOUND IN THE VENT PIPE OR IF IT HAS BECOME DISCONNECTED TOXIC FUMES CAN ESCAPE INTO THE HOME RESULTING IN CARBON MONOX IDE POISONING OR DEATH DO NOT OPERATE THIS FURNACE APPROPRIATE SERVICE MUST BE APPLIED 5 Be sure that the return air duct connections are physically sound are sealed to the furnace casing and terminate outside the space containing the furnac
14. pliance and call your qualified installer service agency or the gas supplier TO TURN OFF GAS TO THE APPLIANCE 1 Set the thermostat the lowest setting 2 Turn off all electric power to the appliance if service is to be performed 3 Remove the control door 4 Turn the gas control knob or set the gas control switch to the OFF position or depress the gas control lever and move to the OFF position 5 Replace the control door FLAME ROLL OUT SAFETY SWITCHES This furnace is equipped with limit switches to protect against overtemperature conditions in the control compartment caused by inadequate combustion air supply The switch is located just above the burners on the blower divider panel Switches for the UPFLOW HORIZONTAL are located on both sides of the burner brackets and just above the burners on the blower divider panel If a switch is tripped it must be manually reset DO NOT jumper this switch If this switch should trip a qualified installer service agency or the gas supplier should be called to check and or correct for adequate combustion air supply MAINTENANCE A WARNING DISCONNECT MAIN ELECTRICAL POWER TO THE UNIT BEFORE ATTEMPTING ANY MAINTENANCE FAILURE TO DO SO CAN CAUSE ELECTRICAL SHOCK RESULTING IN SEVERE PERSONAL INJURY OR DEATH A CAUTION DO NOT OPERATE YOUR SYSTEM FOR EXTENDED PERIODS WITHOUT FILTERS A PORTION OF THE DUST ENTRAINED IN THE AIR MAY TEMPOR
15. s supplier 10 Turn the gas control knob STANDING PILOT safety information above If you A or more the gas 1 STOP Read all safety smell gas go to the next control lever to the ON position information 11 Replace control door Find the pilot burner follow the 2 Set the thermostat to the lowest metal tube from the gas control 12 Turn on all electric power to the setting The pilot burner is located appliance 3 Turn off all electric power to the between the burner tubes 13 Set thermostat to desired setting appliance 4 Remove the control door 5 Depress the gas control lever and move to the OFF position or turn the gas control knob to the OFF position RELATIONSHIP OF PILOT FLAME TO SENSOR lt A l HONEYWELL VALVE a Turn the gas control knob counterclockwise to the pilot position b Push down on the red pilot button and hold down while lighting pilot burner BURNER TO TURN OFF GAS TO THE APPLIANCE 1 Set the thermostat to the lowest setting Turn off all electric power to the appliance if service is to be performed Remove the control door Turn the gas control knob to the OFF position or depress the gas control lever and move to the OFF position Replace control door OPERATING INSTRUCTIONS HOT SURFACE IGNITION SYSTEM 1 STOP Read all safety informa tion 2 Set the thermostat the lowest setting F
16. t be kept clear and free of all combustible materials including gasoline and other flammable vapors and liquids 2 A furnace installed in an attic or other insulated space must be kept free and clear of insulating material Examine the furnace area when installing the furnace or adding more insulation Some materials may be combustible 3 To prevent carbon monoxide poisoning all blower doors and compartment covers must be replaced after the furnace is serviced Do not operate the unit without all panels and doors securely in place 4 Should overheating occur or the gas valve fail to shut off the gas supply turn off the manual gas valve to the furnace before turning off the electrical supply 5 Any additions changes or conversions required in order for the furnace to satisfactorily meet the application needs should be made by a qualified installer service agency or the gas supplier using factory specified or approved parts Read your WARRANTY Contact the WARRANTOR for conversion information This furnace was equipped at the factory for use on NATURAL GAS ONLY Conversion to L P GAS requires a special kit supplied by the WARRANTOR 6 A furnace needs an adequate supply of combustion and ventilation air for proper and safe operation Do not block or obstruct air openings on the furnace or air openings supplying the area where the furnace is installed Do not store anything around the furnace that could block the
17. tructed 3 Close doors and windows This will reduce the heating load on your system 4 Avoid excessive use of kitchen exhaust fans 5 Do not permit the heat generated by television lamps or radios to influence the thermostat operation 6 If you desire to operate your system with constant air circulation please ask advice from a qualified installer service agency or the gas supplier During the heating season the operation of the warm air furnace is automatic Your qualified installer service agency or the gas supplier has provided a wall mounted thermostat which is sensitive to the change in temperature of the air moving around the thermostat Your thermostat will have switches to select some or all of the following functions HEAT Turns heating on when temperature drops below the desired temperature COOL Turns cooling on when temperature rises above the desired temperature AUTO Turns cooling or heating on as required to maintain the desired temperature OFF Turns heating and cooling modes off The blower may still run in the FAN ON position FAN ON Turns the blower on for continuous operation FAN AUTO The blower cycles on and off with cooling or heating operation Figure 2 Burner Compartment showing location of Gas Controls GAS VALVE IGNITOR OR PILO MANIFOLD _ BURNERS FOR YOUR SAFETY READ BEFORE OPERATING A WARNING IF YOU DO NOT FOLLOW THESE INSTRUCTIONS
18. ute before releasing the red pilot button The pilot burner should remain lit If it goes out repeat steps 5 through 8 NOTE If the red button does not pop up when released or if pilot burner does not stay lit after several tries turn the gas control to the OFF position and call your qualified installer service agency the gas supplier 9 ROBERTSHAW VALVE in OFF 1 a Move the gas control lever to position the pilot position Figure 3A Manually Lit Pilot Gas control has ON OFF and PILOT position Gas contro lever shown in OFF position ROBERTSHAW VALVE HONEYWELL VALVE NOTE Lever cannot be moved from to OFF unless knob is pushed in slightly Do not force f you cannot reach your gas supplier call the fire department LIGHTING INSTRUCTIONS Wait five 5 minutes to clear out any gas then smell for gas including near the floor If you then smell gas STOP Follow in the b Push and hold the gas control lever in the SET position while lighting the pilot burner c Allow the pilot burner to burn approximately one half minute before releasing the lever to the pilot position The pilot burner should remain lit If the pilot burner goes out repeat steps 5 6 7 and 9 If the pilot burner does not stay lit after several tries turn the control to OFF and call a qualified installer service agency or the ga
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