58PAV, 58RAV Induced-Combustion Furnaces
Contents
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5. NOTE 2 THERMOSTAT FIVE WIRE TERMINALS FIELD SUPPLIED ETN ONLY DISCONNECT HEATING ONLY se Oa D 208 230 BLOWER DOOR SWITCH 460 V P Al e yep ik R SO e N e e e SE 208 230 V GND T o E ke e SINGLE R 115 V FIELD AUXILIARY O 3 lis lia e SUPPLIED J BOX L C H gt 7 F GND DISCONNECT aaa NOTE1 a CONDENSING OF a UNIT 24 V TWO TERMINALI WIRE BLOCK FURNACE NOTES 1 Connect Y terminal in furnace as shown for proper blower operation Some thermostats reguire a C terminal connection as shown If any of the original wire as supplied must be replaced use same type or eguivalent wire A98521 Fig 10 Heating and Cooling Application Wiring Diagram NOTE Leave blower access panel installed to maintain power to control to view current LED status c Remove control access door d BRIEFLY remove either wire from the main limit switch until LED goes out then reconnect it NOTE If wire to main limit is disconnected longer than 4 sec main blower starts and retrieval request is ignored 2 When above items have been completed the following will occur a LED flashes a status code 4 times Record this status code for further troubleshooting b Inducer motor starts and continues to run the entire component test c Hot surface ignite
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7. _ __ Carrier SS HEATING amp COOLING 58PAV 58RAV Induced Combustion Furnaces Visit www carrier com Service and Maintenance Instructions For Sizes 045 155 Series 160 NOTE Read the entire instruction manual before performing any service or maintenance This symbol indicates a change since the last issue These procedures are for size 44 000 through 154 000 Btuh input units Index Page SAFETY 1 2 ELECTROSTATIC DISCHARGE ESD PRECAUTIONS PROCEDURE 2 CARE AND MAINTENANCE ene 2 11 Air Filter Arrangements aiies ressentie rnerer siiret 2 3 Blower Motor and Wheel 3 4 Cleaning Heat Exchanger aaa 4 5 Electrical Controls and Wiring LL aaa kaka 5 6 Troubleshooting LL iais aaa aaa kaka aaa aaa aaa 6 11 Unit Wiring Diagram 8 Service Label tise inna ae maine 9 Troubleshooting Guide 10 11 SAFETY CONSIDERATIONS Installing and servicing heating equipment can be hazardous due to gas and electrical components Only trained and qualified person nel should install repair or service heating equipment Untrained personnel can perform basic maintenance functions such as cleaning and replacing air filters All other operations must be performed by trained service personnel When working on heating equipment observe precautions in the literature on tags and on labels attached to or shipped with
8. Flame sensing electrode 5 gt Flame rollout switch es if applicable 15 Reinstall internal vent pipe and enclosure on downflow furnaces only by reversing items 4a through 4c NOTE A releasing agent such as PAM cooking spray or equiva lent must not contain corn or canola oil aromatic or halogenated hydrocarbons or inadequate seal may occur and RTV sealant G E 162 6702 or Dow Corning 738 are needed before starting installation DO NOT substitute any other type of RTV sealant 162 P771 9003 is available through RCD in 3 oz tubes 16 Reinstall vent connector on furnace flue collar After fully assembling vent connector to furnace flue collar securely fasten vent connector to flue collar with 2 field supplied corrosion resistant sheet metal screws located 180 apart and midway up the collar 17 Replace blower access door only 18 Turn electrical power and gas to ON 19 Set thermostat and check furnace for proper operation 20 Verify blower airflow and speed changes between heating and cooling 21 Check for gas leaks A WARNING Never use a match or other open flame to check for gas leaks Use a soap and water solution A failure to follow this warning could result in fire personal injury or death 22 Replace control access door on upflow furnace 23 On downflow horizontal furnaces remove blower access door replace control access door first then replace blower acc
9. 5 Remove 2 screws securing control and transformer support to furnace 6 Hang control and transformer support to front of furnace casing FLUE COLLAR BLOCKED MOUNTING VENT SCREWS SAFEGUARD PRESSURE RELIEF SWITCH BOX Z FLUE COLLECTOR GAS BOX VALVE CONTROL FILTER RETAINER WASHABLE FILTER A99291 Fig 6 Model 58PAV Upflow 7 Remove screws holding blower assembly to blower deck and slide blower assembly out of furnace 8 Clean blower wheel and motor using a vacuum with soft brush attachment Do not remove or disturb balance weights clips on blower wheel blades The blower wheel should not be dropped or bent as balance will be affected 9 If a greasy residue is present on blower wheel remove wheel from the blower housing and wash it with an appropriate degreaser To remove wheel a Mark blower wheel location on shaft before disassembly to ensure proper reassembly b Loosen setscrew holding blower wheel on motor shaft NOTE Mark blower mounting arms motor and blower housing so motor and each arm is positioned at the same location during reassembly AUXILIARY LIMIT SWITCH WHEN USED MOUNTING SCREWS FLUE COLLAR VENT PIPE ENCLOSURE BLOCKED VENT RELIEF SAFEGUARD BOX PRESSURE SWITCH MANUAL GAS RESET LIMIT VALVE SW
10. it is essential that periodic maintenance be performed on this equipment Consult your local dealer as to the proper frequency of maintenance and the availability of a maintenance contract A WARNING Never store anything on near or in contact with the furnace such as 1 Spray or aerosol cans rags brooms dust mops vacuum cleaners or other cleaning tools 2 Soap powders bleaches waxes or other cleaning com pounds plastic or plastic containers gasoline kerosene cigarette lighter fluid dry cleaning fluids or other volatile fluids 3 Paint thinners and other painting compounds paper bags or other paper products A failure to follow this warning could result in corrosion of the heat exchanger fire personal injury or death A WARNING Turn off the gas and electrical supplies to the unit before performing any maintenance or service Follow the operating instructions on label attached to furnace A failure to follow this warning could result in personal injury The minimum maintenance that should be performed on this equipment is as follows 1 Check and clean air filter each month or more frequently if required Replace if torn 2 Check blower motor and wheel for cleanliness each heating and cooling season Clean and lubricate as necessary 3 Check electrical connections for tightness and controls for proper operation each heating season Service as necessary A CAUTION As with any mechanical egu
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13. in opposite direction of airflow e Rinse and let dry Oiling or coating of filters is not recommended or required f Reinstall filters g Replace blower access door h Restore electrical power to furnace 2 Upflow Each furnace requires 1 or 2 filters which are installed in the blower compartment See Fig 6 To remove filters for cleaning or replacement proceed as follows a Disconnect electrical power before removing access doors b Remove blower and control access doors c Release filter retainer from clip at front of furnace casing See Fig 6 For side return clips may be used on either or both sides of the furnace d Slide filter s out e Furnaces are equipped with permanent washable filters Clean filters with tap water Spray water through filter in opposite direction of airflow f Rinse and let dry Oiling or coating of filter is not recommended or required g Reinstall filter s h Replace blower and control access doors i Restore electrical power to furnace BLOWER MOTOR AND WHEEL The following steps should be performed by a qualified service technician To ensure long life economy and high efficiency clean accumu lated dirt and grease from blower wheel and motor annually The inducer and blower motors are pre lubricated and require no additional lubrication These motors can be identified by the absence of oil ports on each end of the motor Clean blower motor and wheel
14. 1 4 in diameter high grade steel spring cable commonly known as drain clean out or Roto Rooter cable 2 Use 1 4 in diameter wire brush commonly known as 25 caliber rifle cleaning brush NOTE The materials needed in 1 and 2 can usually be purchased at local hardware stores 3 Insert twisted wire end of brush into end of spring cable and crimp tight with crimping tool or strike with ball peen hammer TIGHTNESS IS VERY IMPOR TANT 4 Remove metal screw fitting from wire brush to allow insertion into cable b Clean each heat exchanger cell 1 Attach variable speed reversible drill to end of spring cable end opposite brush 2 Insert brush end of cable into upper opening of cell and slowly rotate with drill DO NOT force cable Gradually insert at least 36 in of cable into 2 upper passes of cell See Fig 9 3 Work cable in and out of cell 3 or 4 times to obtain sufficient cleaning DO NOT pull cable with great force Reverse drill and gradually work cable out 4 Insert brush end of cable in lower opening of cell and proceed to clean 2 lower passes of cell in same manner as 2 upper passes 5 Repeat foregoing procedures until each cell in furnace has been cleaned 6 Using vacuum cleaner remove residue from each cell 7 Using vacuum cleaner with soft brush attachment clean burner assembly A91252 Fig 9 Cleaning Heat Exchanger
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16. Cell 8 Reinstall cell inlet plates and burner assembly Care must be exercised to center burners cell openings 11 Clean flame sensor with fine steelwool 12 Remove old sealant from center panel and collector box flange and apply new sealant to collector box flange and reinstall on center panel making sure all 8 screws are secure NOTE A releasing agent such as PAM cooking spray or equiva lent must not contain corn or canola oil aromatic or halogenated hydrocarbons or inadequate seal may occur and RTV sealant G E 162 6702 or Dow Corning 738 are needed before starting installation DO NOT substitute any other type of RTV sealant G E 162 P771 9003 is available through RCD in 3 oz tubes 13 Reinstall relief box and inducer assembly NOTE If inducer assembly gasket is damaged use RTV sealant to seal inducer assembly to collector box NOTE A releasing agent such as PAM cooking spray or equiva lent must not contain corn or canola oil aromatic or halogenated hydrocarbons or inadequate seal may occur and RTV sealant G E 162 6702 or Dow Corning 738 are needed before starting installation DO NOT substitute any other type of RTV sealant G E 162 P771 9003 is available through RCD in 3 oz tubes 14 Reconnect wires to the following components Blocked vent safeguard switch p Inducer motor Pressure switch Lo Limit overtemperature switch es Gas valve Hot surface igniter
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18. ITCHES A99285 Fig 7 Model 58RAV Downflow NOTE Refer to Table 3 for motor speed lead relocation if leads were not identified before disconnection Table 3 Speed Selector Black High FACTORY ATTACHED TO Cool Yellow When present Medium High Spare Blue Medium Low Heat Red Low Spare White Common L2 COM 10 11 12 13 c Mark blower wheel orientation and cutoff plate location to ensure proper reassembly d Remove screws securing cutoff plate and remove cutoff plate from housing e Remove bolts holding motor and motor mounts to blower housing and slide motor and mounts out of housing Disconnect capacitor and ground wire attached to blower housing before removing motor Motor mount belly band need not be removed unless motor is to be replaced f Remove blower wheel from housing 4 CAUTION The blower wheel should not be dropped or bent as balance will be affected Reassemble motor and blower by reversing items 9a through 9f Be sure to reattach ground wire Reinstall blower assembly in furnace Reinstall control and transformer support assembly in furnace Reconnect blower leads to furnace control and auxiliary limit switch leads downflow only Refer to furnace wiring diagram and connect thermostat leads if previously disconnected see Fig 12 A CAUTION Heating air speed selection MUST be adjust
19. RAFT SAFEGUARD AUX LIMIT SWITCH when used OR BLOCKED VENT SWITCH when used DID NOT CLOSE OR REOPENED DOWNFLOW ONLY If open longer than five minutes inducer shuts off for 15 minutes before retry Check for Proper vent sizing Low inducer voltage 115VAC Defective inducer motor Defective Blower motor or capacitor Restricted vent Defective pressure switch Excessive wind Inadequate combustion air supply Disconnected or obstructed pressure tubing If it opens after trial for ignition period blower will come on for 90 second recycle delay LIMIT OR FLAME ROLL OUT SWITCH IS OPEN If open longer than three minutes code changes to 13 Flame roll out switch requires manual reset Check for Defective blower motor or capacitor Dirty filter or restricted duct system Loose blower wheel Defective switch or connections Inadequate combustion air supply Flame Roll out Switch or fuse link open Open Flame Roll out Switch or fuse link Manual reset or replace IGNITION PROVING FAILURE Control will try three more times before lockout 14 occurs If flame signal lost after trial for ignition period blower will come on for 90 second recycle delay Check for Oxide buildup on flame sensor clean with fine steel wool Proper flame sense microamps 5 microamps D C min 4 0 6 0 nominal Gas valve defective or gas valve turned off Defective Hot Surface Ignitor Manual valve shut off Low inl
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21. as follows 1 Turn off electrical supply to furnace 2 Remove 2 screws from blower access door downflow horizontal furnace only and remove blower access door 3 Downflow only a Disconnect vent connector from furnace flue collar See Fig 7 b Remove internal vent pipe enclosure cover Never operate unit without a filter or with filter access door Disconnect and remove short piece of vent pipe from removed A failure to follow this warning could result in fire within furnace personal injury or death d Disconnect and remove vent pipe enclosure Push bottom side backward to release tabs 1 Downflow Horizontal Each furnace requires 2 filters which are installed in the return air duct See Fig 4 and 5 To remove filters for cleaning or replacement proceed as follows a Disconnect electrical power before removing blower access door b Remove screw from front of door and remove blower access door c Reach up behind top plate tilt filters toward center of return air plenum remove filters and clean as needed Replace if torn NOTE Vent pipe is SCREWED and RTV sealed to relief box 4 Disconnect blower leads from furnace control Note wire color and location for reassembly Also disconnect auxiliary limit switch leads downflow only if present All other factory wires can be left connected but field thermostat connections may need to be disconnected depend ing on their length and routing
22. ates proper operation RELEASE BLOWER ACCESS DOOR SWITCH replace blower access door and replace control access door TROUBLESHOOTING Refer to the service label See Fig 13 Pages 10 and 11 contain a troubleshooting guide This guide can be a useful tool in isolating furnace operation problems Beginning with the word Start answer each question and follow the appropriate arrow to the next item The guide will help to identify the problem or failed component After replacing any component verify correct operation sequence 24 V THERMOSTAT TERMINALS TEST TWIN HUMIDIFIER TERMINAL 24 VAC 0 5 AMP MAX LED OPERATION amp DIAGNOSTIC LIGHT HARNESS CONNECTOR OO 24 V TRANSFORMER SEC 2 SPARE 1 BLOWER SPEED SELECTION TERMINALS SPARE 2 EAC 1 EAC ELECTRONIC AIR CLEANER TERMINALS 115 VAC 1 0 AMP MAX EAC 2 115 VAC L2 NEUTRAL CONNECTION HOT SURFACE INDUCER MOTOR IGNITOR CONNECTOR CONNECTOR 2 115 VAC L1 POWER SUPPLY A99255 Fig 11 Furnace Control 200286V weibeig s9euinj z 614 JAH 101 69822 SI Kiosseo0y Jeldepyy ASUUIIUO pesn SSAg PoSN 10 Si SSAg UUM
23. de backward to release tabs 5 Remove 2 screws that secure relief box See Fig 6 or 7 6 Disconnect wires to the following components Mark wires to aid in reconnection of a Blocked vent safeguard switch b Inducer motor Pressure switch a Limit overtemperature switch es e Gas valve f Hot surface igniter g Flame sensing electrode h Flame rollout switch es if applicable 7 Remove complete inducer assembly and relief box from furnace 8 Remove 8 screws that secure flue collector box to center panel Be careful not to damage collector box 9 Remove burner assembly and cell inlet plates IMPORTANT Replace screws in center panel and cells before cleaning NOTE Be careful when removing burner assembly to avoid breaking igniter See Fig 8 for correct igniter location 1332 z La 11 30 BURNER NO E CELL a PANEL B Ties SURFACE IGNITER ASSEMBLY T r a L TA 1 IGNITER Tja BURNER L IGNITER ASSEMBLY A99286 Fig 8 Position of Igniter to Burner 10 Using field provided small wire brush steel spring cable reversible electric drill and vacuum cleaner clean cells as follows a Assemble wire brush and steel spring cable 1 Use 48 in of
24. ed to provide proper air temperature rise as specified on the rating plate Failure to adjust the heating speed may shorten heat ex changer life 14 Downflow furnaces only Reinstall internal vent pipe and enclosure by reversing items 3a through 3d NOTE A releasing agent such as PAM cooking spray or equiva lent must not contain corn or canola oil aromatic or halogenated hydrocarbons or inadequate seal may occur and RTV sealant G E 162 6702 or Dow Corning 738 are needed before starting installation DO NOT substitute any other type of RTV sealant 162 P771 9003 is available through RCD in 3 oz tubes 15 Reinstall vent connector to furnace flue collar After fully assembling vent connector to furnace flue collar securely fasten vent connector to flue collar with 2 field supplied corrosion resistant sheet metal screws located 180 apart and midway up the collar 16 Turn on electrical supply Manually close blower access door switch Use a piece of tape to hold switch closed Check for proper rotation and speed changes between heating and cooling by jumpering R to W and then R to Y on furnace control thermostat terminals A WARNING Blower access door switch opens 115 v power to furnace control No component operation can occur Caution must be taken when manually closing this switch for service purposes Failure to follow this warning could result in electrical shock personal injury or death NOTE If t
25. ess door and secure with screws in front of door ELECTRICAL CONTROLS AND WIRING 4 CAUTION There may be more than 1 electrical supply to the unit Check accessories and cooling unit for additional electrical supplies The electrical ground and polarity for 115 v wiring must be properly maintained Refer to Fig 10 for field wiring information and to Fig 12 for furnace wiring information NOTE If the polarity is not correct the STATUS LED on the control center will flash rapidly and prevent the furnace from heating The control system also requires an earth ground for proper operation of the control and flame sensing gt The 24 v circuit contains an automotive type 3 amp fuse located on the control See Fig 11 Any shorts of the 24 v wiring during installation service or maintenance will cause this fuse to blow If fuse replacement is required use ONLY 3 amp fuses The control LED will display status code 24 when fuse needs to be replaced With power to the unit disconnected check all electrical connec tions for tightness Tighten all screws on electrical connections If any smoky or burned connections are found disassemble the connection clean all parts strip wire and reassemble properly and securely Reconnect electrical power to the unit and observe unit through 1 complete operating cycle Electrical controls are difficult to check without proper instrumentation if there are any discrepancies in the operati
26. et gas pressure Control ground continuity Green wire MUST be connected to furnace sheet metal Inadequate flame carryover or rough ignition Flame sensor must be ungrounded COMPONENT TEST To initiate the component test sequence shut OFF the room thermostat or disconnect the R thermostat lead Briefly short the TEST terminal to the Com 24V terminal Status LED will flash code and then turn ON the inducer motor The inducer motor will run for the entire component test The hot surface ignitor blower motor heat speed and blower motor cool speed will be turned ON for 10 15 seconds each Gas Valve and Humidifier will not be turned on 0 RG 320615 102 REV K LIT A99233 Fig 13 Service Label Copyright 1999 CARRIER Corp 7310 W Morris St Indianapolis IN 46231 58pr14sm Manufacturer reserves the right to discontinue or change at any time specifications or designs without notice and without incurring obligations reek 5 101 Catalog 535 737 Printed in U S A Form 58P R 14SM Pg12 8 99 Replaces 58P R 13SM ai aj
27. hermostat terminals are jumpered before blower ac cess door switch is closed blower will run for 90 sec before beginning a heating or cooling cycle 17 If furnace is operating properly REMOVE TAPE TO RE LEASE BLOWER ACCESS DOOR SWITCH replace blower access door CLEANING HEAT EXCHANGER The following steps should be performed by a qualified service technician NOTE If the heat exchangers get a heavy accumulation of soot and carbon they should be replaced rather than trying to clean them thoroughly due to their intricate design A build up of soot and carbon indicates that a problem exists which needs to be corrected such as improper adjustment of manifold pressure insufficient or poor quality combustion air incorrect size or damaged manifold orifice s improper gas or a restricted heat exchanger Action must be taken to correct the problem If it becomes necessary to clean the heat exchanger because of dust or corrosion proceed as follows 1 Turn gas and electrical power to furnace OFF 2 Remove control and blower access doors 3 Disconnect vent connector from furnace flue collar 4 Disconnect internal vent pipe and enclosure on downflow furnaces only a Remove internal vent pipe enclosure cover b Disconnect and remove short piece of vent pipe from within furnace NOTE Vent pipe is SCREWED and RTV sealed to relief box c Remove vent pipe enclosure by removing screw in upper back Push bottom si
28. ipment personal injury can result from sharp metal edges etc therefore be careful when removing parts AIR FILTER ARRANGEMENT The air filter arrangement may vary depending on the application Refer to Table 1 or 2 for filter size information Table 1 Filter Size Information for Downflow Horizontal Furnaces In FURNACE FILTER GUANTITY FILTER CASING WIDTH AND SIZE TYPE 2 14 X 20X1 Cleanable 2 16 X 20 X 1 Cleanable 2 16 X 20 X 1 Cleanable Table 2 Filter Size Information for Upflow Furnaces In FILTER QUANTITY AND SIZE FILTER Side Return Bottom Return TYPE FURNACE CASING WIDTH 14 3 16 1 16 X 25 X 1 1 14 25 1 Cleanable 17 1 2 1 16 X 25 X 1 1 16 X 25 X 1 Cleanable 21 1 16 X 25X14 1 20 X 25 X 1 Cleanable 24 1 2 2 16 X 25 1 Factory provided with the furnace 1 Filters may be field modified as required by cutting to desired size 1 24 X 25 X 1 Cleanable AIRFLOW A94307 Fig 4 Horizontal Filter Arrangement INSTALLATION POSITION OF FILTERS RETURN AIR PLENUM he seer 5 I D D DOOR A88486 Fig 5 Downflow Filter Arrangement 4 WARNING d Furnaces are equipped with permanent washable filters Clean filters with tap water Spray water through filter
29. nd the person at the same electrostatic potential 1 Disconnect all power to the furnace DO NOT TOUCH THE CONTROL OR ANY WIRE CONNECTED TO THE CON TROL PRIOR TO DISCHARGING YOUR BODY S ELEC TROSTATIC CHARGE TO GROUND 2 Firmly touch a clean unpainted metal surface of the furnace chassis which is close to the control Tools held in a person s hand during grounding will be satisfactorily discharged 3 After touching the chassis you may proceed to service the control or connecting wires as long as you do nothing that recharges your body with static electricity for example DO NOT move or shuffle your feet DO NOT touch ungrounded objects etc 4 If you touch ungrounded objects recharge your body with static electricity firmly touch furnace again before touching control or wires 5 Use this procedure for installed and uninstalled ungrounded furnaces 6 Before removing a new control from its container discharge your body s electrostatic charge to ground to protect the control from damage If the control is to be installed in a furnace follow items 1 through 5 before bringing the control or yourself into contact with the furnace Put all used AND new controls into containers before touching ungrounded objects 7 An ESD service kit available from commercial sources may also be used to prevent ESD damage CARE AND MAINTENANCE For continuing high performance and to minimize possible equip ment failure
30. ng cycle contact your dealer and request service The control in this furnace is equipped with an LED status light to aid in installation servicing and troubleshooting It can be viewed through the sight glass or window on blower access door The control indicates status with the LED on continuously rapid flashing or a code composed of 2 digits The first digit is the number of short flashes the second is the number of long flashes For an explanation of status codes refer to service label located on blower access door or Fig 13 and the troubleshooting guide The control stores 1 status code the last status to occur for a period of 48 hrs or until the 115 or 24 v power is interrupted NOTE Look into blower access door sight glass for current LED status Removing blower access door will open blower access door switch and terminate 115 v power to control and status code will be erased 1 To retrieve status code proceed with the following NOTE NO thermostat signal may be present at control center and all blower OFF delays must be completed a Leave 115 v power to furnace turned on b Look into blower access door sight glass for current LED status FIELD 24 V WIRING FIELD 115 208 230 460 V WIRING FACTORY 24 V WIRING FACTORY 115 V WIRING
31. r is energized for 15 sec then de energized d Main blower operates at cooling speed for 10 sec then turns off e Main blower operates at heating speed for 10 sec then turns off f Inducer motor stops Items a through e above will assist in furnace troubleshooting since all components are functionally operated except the gas valve This procedure is also referred to as Component Test 3 Operate furnace through 1 heat cycle to test for proper operation and check LED status 4 If furnace is operating properly and LED indicates proper operation replace control access door 5 Component Test can also be initiated by performing the following a Remove control access door b Remove blower access door c Manually close blower access door switch A WARNING Blower access door switch opens 115 v power to control No component operation can occur Caution must be taken when manually closing this switch for service purposes Failure to follow this warning could result in personal injury or death d BRIEFLY short jumper TEST 3 16 in quick connect terminal on control adjacent to LED diagnostic light and Com 24V terminal on furnace thermostat connection block See Fig 11 NOTE If TEST to Com 24V terminals are jumpered longer than 2 sec LED will flash rapidly and test request will be ignored e Component Test will function as described in item 2 above f Check LED status g If LED status indic
32. splay stored status code LED CODE STATUS CONTINUOUS OFF Check for 115VAC at L1 and L2 and 24VAC at SEC 1 and 5 CONTINUOUS ON Control has 24VAC power RAPID FLASHING Line voltage 115VAC polarity reversed If twinned refer to twinning kit instructions EACH OF THE FOLLOWING STATUS CODES IS A TWO DIGIT NUMBER WITH THE FIRST DIGIT DETERMINED BY THE NUMBER OF SHORT FLASHES AND THE SECOND DIGIT BY THE NUMBER OF LONG FLASHES 11 NO PREVIOUS CODE Stored status codes are erased when power 115VAC or 24VAC to control is interrupted or 48 hours after each fault is cleared 12 BLOWER ON AFTER POWER UP 115VAC or 24 VAC Blower runs for 90 seconds if unit is powered up during a call for heat R W closed 13 LIMIT OR FLAME ROLL OUT SWITCH LOCKOUT Control will auto reset after three hours Reset switch or replace fuse link Refer to 33 14 IGNITION LOCKOUT Control will auto reset after three hours Refer to 34 21 GAS HEATING LOCKOUT Control will NOT auto reset Check for Mis wired gas valve Defective control Valve relay 22 ABNORMAL FLAME PROVING SIGNAL Flame is proved while gas valve is de energized Inducer will run until fault is cleared Check for Leaky gas valve Stuck open gas valve 23 PRESSURE SWITCH DID NOT OPEN Check for Obstructed pressure tubing Pressure switch stuck closed 24 SECONDARY VOLTAGE FUSE IS OPEN Check for _ Short circuit in secondary voltage 24VAC wiring 31 PRESSURE D
33. the unit and other safety precautions that may apply Follow all safety codes In the United States follow all safety codes including the National Fuel Gas Code NFGC NFPA 54 1999 ANSI Z223 1 1999 NFPA 90B In Canada refer to the CAN CGA B149 1 and 2 M95 National Standard of Canada Natural Gas and Propane Installation Codes NSCNGPIC Wear safety glasses and work gloves Have fire extinguisher available during start up and adjustment procedures and service calls Recognize safety information This is the safety alert symbol A When you see this symbol on the furnace and in instructions or manuals be alert to the potential for personal injury Understand the signal words DANGER WARNING CAUTION and NOTE These words are used with the safety alert symbol DANGER identifies the most serious hazards which will result in severe personal injury or death WARNING signifies a hazard which could result in personal injury or death CAUTION is used to identify unsafe practices which would result in minor personal injury or product and property damage NOTE is used to highlight suggestions which will result in enhanced installation reliability or operation A94087 Fig 1 Model 58RAV Horizontal EFFICIENCY RATING CERTIFIED ama a lt APPROVED R ps 33
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