Carrier 58MCA Furnace User Manual
Contents
1. MODELS 58MXA 58MCA AND 58MTA FURNACES UPFLOW POSITION MODEL 58MVP FURNACE UPFLOW POSITION SAFETY CONSIDERATIONS Recognize safety information This is the safety alert sym bol 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 DANGER WARNING and CAUTION are used with the safety alert symbol DANGER identifies the most serious hazards which will result in severe personal injury or death WARNING signifies hazards which could result in personal injury or death CAUTION is used to identify unsafe practices which would result in minor per sonal injury or product and property damage NOTE is used to highlight suggestions which will result in enhanced instal lation reliability or operation To minimize the possibility of serious personal injury fire furnace damage or improper operation carefully follow these safety rules e Your gas furnace uses air from outside the home for com bustion and vents flue gas to the outdoors It is not to be installed using indoor air for combustion The vent and air intake pipes must terminate outside the structure and must not be obstructed in any way Do not block or obstruct air openings on furnace or spaces around the furnace2. 5 e Keep the area around your furnace clear and free of com bustible materials gasoline and other flammable liquids and vapors Do not cover the furnace store trash or debris near it or in any way block the flow of fresh air to the unit e A furnace installed in an attic or other insulated space must be kept free and clear of insulating material Examine the fur nace area when the furnace is installed or when insulation is added Some materials may be combustible This furnace contains SAFETY DEVICES which must be MANUALLY RESET If the furnace is left unattended for an extended period of time have it checked periodically for proper operation This precaution will prevent problems associated with no heat such as frozen water pipes etc See Before You Request a Service Call section in this manual A WARNING Fire Hazard Failure to keep insulation clear of furnace could result in fire personal injury death or property damage A WARNING Do not keep combustible materials gasoline and other flammable liquids or vapors around your furnace Failure to follow this warning could result in fire personal injury death or property damage A WARNING For proper and safe operation the furnace needs air for combustion and ventilation Do not block or obstruct the openings on the furnace air Openings to the area in which the furnace is in stalled and the space around the furnace Failure to follow this w
3. Vent outlet Uses PVC pipe to carry flue gas from the fur nace s combustion system right or left side Inducer motor Pulls hot flue gases through the heat ex changers maintaining negative pressure for added safety Blower access panel safety interlock switch Air filter and retainer Condensate drain connection Collects moisture con densed from burned gases for disposal into home drain system Location in furnace varies Heavy duty blower Circulates air across the heat ex changers to transfer heat into the home Secondary condensing heat exchanger inside Wrings out more heat through condensation Constructed with polypropylene laminated steel to ensure durability Primary serpentine heat exchanger inside Stretches fuel dollars with the S shaped heat flow design Solid con struction of corrosion resistant aluminized steel means re liability Furnace control board 3 amp fuse provides electrical and component protection Light emitting diode LED on furnace control board Code light is for diagnosing furnace operation and service requirements Pressure switch es ensure adequate flow of flue gas through furnace and out vent system Rollout switch manual reset to prevent overtemperature Junction box for 1 15 v electrical power supply May be located on right or left side Transformer 24v behind furnace control board pro vides low voltage power to furnace control board and thermostat
4. turned off and left turned off in an unoccupied structure during winter See Heading South for the Winter procedures in maintenance section on page 9 Freeze damage to furnace would occur PERFORMING ROUTINE MAINTENANCE NOTE The qualified installer or agency must use only factory authorized replacement parts kits and accessories when modifying this product Installing and servicing heating equipment can be hazard ous due to gas and electrical components Only trained and qualified personnel 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 and qual ified service agency personnel Observe safety precautions in this manual on tags and on labels attached to the furnace and other safety precautions that may apply With proper maintenance and care your furnace will operate economically and dependably Instructions for basic mainte nance are found on this and the following pages However before beginning maintenance follow these safety precautions A WARNING Turn off electrical power supply to your furnace before removing the access doors to service or perform maintenance A failure to follow this warning could result in personal injury death or property damage A CAUTION Although special care has been taken to minimize sharp edges be extremely caref
5. Remove blower access panel See Fig 24 NOTE It will be necessary to remove 2 screws e AIR FILTER LOCATED IN FILTER CABINET a Remove filter cabinet door See Fig 25 and 26 NOTE It will be necessary to remove thumbscrew Remove air filter from furnace e AIR FILTER LOCATED IN BLOWER COMPARTMENT BOTTOM a Slide filter retainer sideways until it is free of latch See Fig 27 b Slide air filter out of furnace See Fig 28 AIR FILTER S LOACTED IN BLOWER COMPART MENT SIDE a Remove filter retainer from latch See Fig 29 b Gently remove air filter and carefully turn the dirty side up if dirty to avoid spilling dirt from the filter See Fig 30 AIR FILTER LOCATED IN FILTER CABINET a Slide air filter out of furnace Keep dirty side up if dirty to avoid spilling dirt See Fig 31 and 32 4 Inspect the filter If torn replace it NOTE If washable filter that was shipped with the furnace has been replaced by a Factory specified disposable media filter Do not clean If dirty replace only with media filter having the same part number and size Install with airflow direction arrow point ing towards blower 8 9 b Electronic air cleaner EAC Refer to EAC Owner s Manual for maintenance information If washable filter wash filter if dirty in sink bathtub or out side with a garden hose Always use cold
6. to flow to the main burners After ignition and a time delay of about 60 sec the furnace blower will start Variable capacity furnaces start at low speed until the control makes the necessary adjustments to operate the blower at either the low or high heat speed NOTE If the burners fail to ignite after 4 attempts the fur nace control system will lock out If lockout occurs main burners fail to light or blower does not come on shut down the furnace and call your dealer for service 12 Set your thermostat to the temperature that satisfies your comfort requirements SUGGESTION Setting the thermostat back a few degrees and compensating for the difference with warmer clothing can make a big difference in your fuel consumption The few degrees at the top of your thermo stat comfort level are the most costly degrees to obtain When the room temperature drops below the temperature selected on the thermostat the furnace will switch on auto matically When the room temperature reaches the tempera ture selected on the thermostat the furnace will be switched off automatically Some thermostats have a FAN mode with 2 selections AUTO and ON When set on AUTO the furnace blower cycles on and off In the ON mode the furnace blower runs continu ously Continuous fan keeps the temperature level in your home more evenly balanced It also permits the indoor air to be continuously filtered ComfortFan On all but the 58MCA t
7. USER S INFORMATION MANUAL FOR OPERATION AND MAINTENANCE OF YOUR GAS FIRED FURNACE USER Please read all instructions in the manual and retain all manuals for future reference NOTE TO INSTALLER THIS MANUAL MUST BE LEFT WITH THE EQUIPMENT USER A WARNING FIRE OR EXPLOSION HAZARD Failure to follow safety warnings exactly could result in serious injury death or property damage Do not store or use gasoline or other flammable vapors and liquids 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 Leave the building immediately Immediately call your gas supplier from a neigh bor s phone Follow the gas supplier s instructions If you cannot reach your gas supplier call the fire department Installation and service must be performed by a qualified installer service agency or the gas supplier Do not use this furnace if any part has been under water A flood damaged furnace is extremely dangerous Attempts to use the furnace can result in fire or explosion A A WARNING Carbon Monoxide is invisible odorless and toxic Carrier Corporation recommends a carbon mon oxide alarm in your home even if you do not own a gas appliance Locate the carbon monoxide alarm in the living area of your home and away from gas appliances and doorways to attached gara
8. arning could result in fire personal injury death or property damage BEFORE STARTING YOUR FURNACE Examine the furnace installation to determine that 1 All flue gas carrying areas external to the furnace i e chimney vent connector are clear and free of obstructions 2 The vent connector is in place slopes upward and is phys ically sound without holes or excessive corrosion 3 The return air duct connection s is physically sound is sealed to the furnace casing and terminates outside the space containing the furnace 4 The physical support of the furnace is sound without sag ging cracks gaps etc around the base 5 There are no obvious signs of deterioration of the furnace 6 The pilot and burner flames are in good adjustment by comparison with pictorial sketches or drawings of the main burner flame and if applicable the pilot burner flame STARTING AND SHUTTING DOWN YOUR FURNACE Instead of a continuously burning pilot flame which wastes valuable energy your furnace uses an automatic hot surface ignition system to light the burners each time the thermostat starts your furnace Follow these important safeguards 7 e Never attempt to manually light the burners with a match or other source of flame e Read and follow the operating instructions on inside of main furnace door especially the item that reads as follows Wait 5 minutes to clear out any gas Then smell for gas including near the
9. ation e Examine the physical support of the furnace Support should be sound with not cracks sagging gaps etc around the base e Check furnace for any obvious signs of deterioration BEFORE YOU REQUEST A SERVICE CALL If your furnace is not operating or not performing properly you may save the expense of a service call by checking a few things yourself before calling for service FOR INSUFFICIENT AIRFLOW e Check for dirty air filter s e Check for blocked return air or supply air grilles throughout your home Ensure they are open and unobstructed If problem still exists call your dealer for service IF FURNACE FAILS TO OPERATE Follow this checklist step by step advancing to the next step only if furnace fails to start e Check thermostat for proper temperature Is thermostat set above room temperature e Is thermostat set on HEAT e Check fuses and circuit breakers Is electrical supply on e Is manual shutoff valve in gas supply pipe in open position Follow start up procedures if you open gas valve NOTE Turn off electrical supply before continuing with checklist e Is control switch on gas valve in ON position Follow start up procedures if you must reset switch to ON position e Check manual reset flame rollout switch located on the burner box See Fig 3 or 4 If furnace has experienced high temper ature conditions this switch will shut off the furnace Reset it by pushing the button on the sw
10. eplacement part Carrier Corporation 7310 West Morris St Indianapolis IN 46231 Manufacturer reserves the right to discontinue or change at any time specifications or designs without notice and without incurring obligations Copyright 2004 Carrier Corporation Form OM58 114 Replaces OM58 108 Printed in the U S A 8 04 PC 101 Catalog No 535 80143
11. floor If you smell gas STOP Follow B on furnace label If you don t smell gas go to next step a AOR For 58MTA and 58MVP 12 pall Le gt o For 58MCA and 58MXA 13 ce 6 S gt zele f piii r gt For 58MTA and 58MVP 14 I sal OE rE ge 6 Tel on For 58MCA and 58MXA 15 6 After waiting 5 minutes turn the control switch on the gas control to the ON position See Fig 14 or 15 ON OFF 17 18 7 Replace main furnace door See Fig 16 8 Turn ON the electrical supply to the furnace and wait 1 minute See Fig 17 9 Open the external manual gas valve See Fig 18 10 Set the room thermostat to a temperature slightly above the room temperature This will automatically signal the furnace to start 11 When the furnace receives the start signal the inducer is started When the pressure switch senses that there is suf ficient combustion air the hot surface igniter is energized After the hot surface igniter is heated for 17 seconds the gas valve permits gas
12. floor If you smell gas STOP Follow B in the safety information above on this furnace label If you don t smell gas go to the next step e Ifa suspected malfunction occurs with your gas control system such as the burners do not light when they should refer to the shutdown procedures on inside of main furnace door or in the Shutting Down Your Furnace section and call your dealer as soon as possible A WARNING If overheating occurs or the gas valve fails to shut off the gas supply turn off the manual gas valve to the furnace BEFORE turning off the electrical sup ply See Fig 9 Failure to follow this warning could result in a fire or explosion and personal in jury death or property damage e CHECK AIR FILTER Before attempting to start your furnace be sure the furnace filter is clean and in place See Performing Routine Maintenance section in this manual Then proceed as follows STEPS FOR STARTING YOUR FURNACE 1 Set your room thermostat to the lowest temperature set ting See Fig 8 2 Close the external manual gas valve See Fig 9 ON oFF 9 10 3 Turn OFF electrical supply to the furnace See Fig 10 4 Remove main furnace door See Fig 11 5 The gas valve will have a control switch to turn off and on Turn the control switch on the gas control to the OFF position and wait 5 minutes See Fig 12 or 13 Then smell for gas including near the
13. ges Follow the alarm manufacturer s instruc tion included with the alarm qualified service agency should be contacted to inspect the furnace and to replace all gas controls control system parts electrical parts that have been wet or the furnace if deemed necessary TABLE OF CONTENTS WELCOME TO A NEW GENERATION OF COMFORT 2 GENERAL FURNACE SAFETY leeena 2 FURNACE COMPONENTS 0 00 00 c cece eee nee 3 SAFETY CONSIDERATIONS 0 00000 e eee eee eee 4 BEFORE STARTING YOUR FURNACE 4 STARTING AND SHUTTING DOWN YOUR FURNACE 4 Steps for Starting Your Furnace 0 000000 4 6 Shutting Down Your Furnace 0 000000 e eee 6 PERFORMING ROUTINE MAINTENANCE 6 Filtering Out Trouble 0 0 0 eee eee eee 7 COMBUSTION AREA AND VENT SYSTEM 8 Heading South for the Winter 00 20005 9 A CHECK UP CHECKLIST 0c eee 9 10 BEFORE YOU REQUEST A SERVICE CALL 10 INSTALLATION DATA 0 00 2 12 WELCOME TO A NEW GENERATION OF COMFORT Congratulations In light of rising energy costs the 53MXA S8MCA 58MTA and WeatherMaker Infinity Multipoise Gas Fired Condensing Furnaces are among the soundest investments today s homeowner can make Your new furnace is truly a triumph of technology in home heat ing A revolutionary design employs 2 heat exchangers
14. he blower speed can be increased or decreased if desired due to change of seasons large gatherings in your home etc Simply change your FAN from ON to OFF for 1 to 3 seconds or AUTO depending on your thermostat and then return to ON The blower will switch to the next higher speed There are at least 3 speeds to choose from If the blower is running on its highest speed a request to change will direct the blower to return to its lowest speed SHUTTING DOWN YOUR FURNACE Should you ever need to shut down your furnace for service or maintenance you will need to turn the furnace off The following procedures must be followed 1 Set your room thermostat to the lowest temperature setting See Fig 19 2 Close the external manual gas valve See Fig 9 3 Turn off electrical supply to the furnace See Fig 20 4 Remove main furnace door See Fig 11 5 Turn the switch on the gas control to the OFF position See Fig 21 or 22 20 Te a ZO 5 SA Van f Ou ea s a1 or n E K SNIE N le l ON For 58MCA and 58MXA 22 6 Replace the main furnace door See Fig 16 7 If the furnace is being shut down because of a malfunc tion call your dealer as soon as possible A CAUTION Furnace is not to be installed operated and then
15. itch If it trips again shut down the furnace and call for service See Shutting Down Your Fur nace section in this manual 11 Check for obstructions around the vent termination If the furnace still fails to operate call your service representa tive For your convenience record the furnace product and serial numbers on back page Should you ever require service you will have ready access to the information needed by your ser vice representative This furnace has a light emitting diode LED status code dis play to aid the installer service technician or homeowner while installing or servicing the unit The LED code can be seen by removing the main furnace door and viewing the LED through the view port in the blower access panel INSTALLATION DATA AIR CONDITIONER OR HEAT PUMP Date Installed OUTDOOR UNIT Dealer Name Product No Address Model No City Serial No State Zip _____ INDOOR COIL Telephone Product No FURNACE Model No Product No Serial No Model No Serial No K Carrier A United Technologies Company TO OBTAIN INFORMATION ON PARTS Consult your installing dealer or the classified section of your local telephone directory under the Heating Equipment or Air Conditioning Contractors amp Systems heading for dealer listing by brand name Have available the Model No Series Letter amp Serial No of your equipment to ensure correct r
16. ned service specialist give your furnace a professional check up annually The following checklist can be used as a guideline to proper service e Inspect all flue gas passages burners heat exchangers cou pling box es and inducer assembly e Inspect all combustion air and vent piping inside structure and vent pipe termination outside the structure e Check gas pipes leading to and inside of your furnace for leaks e Inspect and clean the blower motor and wheel NOTE 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 Inspect and change or clean air filters s if necessary e Inspect all supply and return air ducts for obstructions air leaks and insulation Remedy any problem when necessary e Inspect the return air duct connections s at the furnace to en sure it is physically sound sealed to the furnace casing and ter minates outside the space containing the furnace e Inspect electrical wiring connections and components for loose connections e Perform an operational checkout to determine whether your furnace is working properly and if it requires adjustments e Inspect all condensate drain tubes and condensate trap assem bly for leaks The condensate removal system should be cleaned annually by a qualified service agency Refer to the Service and Maintenance Instructions for further inform
17. plosion Hazard Warning 1 8 Carbon Monoxide Warning 0 eee ee ee 1 9 Service and Maintenance Electrical Hazard Warning 7 10 Improper Vent Warning 00 e eee eee ee 7 11 Sharp Edges Caution oeenn 6 12 NoFilter Caution nnee 7 13 Filter Rod Modification Caution 0 a 9 14 Dirt Rust or Accumulation Caution 9 2 As an ENERGY STAR partner Carrier Corporation has determined that this product meets the ENERGY STAR guidelines for energy efficiency 15 Freeze Damage Caution aanne 7 9 16 Loud Noise Caution 0 0 0 0 0 0 00 eee 9 17 Antifreeze Caution 0 0 0 0 0 000 000 eee ees 9 MODELS 58MXA SHOWN AND 58MCA FIXED CAPACITY FURNACES MODEL 58MVP VARIABLE CAPACITY AND MODEL 58MTA TWO STAGE FURNACES FURNACE COMPONENTS 1 B i zl li l s Combustion air intake connection to ensure contami nant free air right or left side Burner sight glass for viewing burner flame Burner assembly inside Operates with energy saving inshot burners and hot surface igniter for safe dependable heating Redundant gas valve Safe and efficient Features 1 gas control with 2 internal shutoff valves Valve appearance varies with furnace model
18. s follows 1 Turn off the gas and electrical supplies to the furnace and remove the main furnace door See Fig 9 10 and 11 2 Remove burner enclosure front See Fig 37 or 38 Inspect the gas burners igniter area and remainder of furnace for dirt rust soot or scale A CAUTION If dirt rust soot or scale accumulations are found call your dealer Do not operate your furnace Failure to follow this caution would result in minor property or product damage 3 Inspect the combustion air and vent PVC pipes for sags holes cracks or disconnections Horizontal portions of pipes must slope downward toward furnace Downflow 37 38 Upflow 4 Reinstall burner enclosure front 5 If your furnace is free of the above conditions replace main furnace door and turn on electrical and gas supplies to the furnace See Fig 16 17 and 18 6 Start the furnace and observe its operation Watch the burner flames to see if they are clear blue almost transpar ent See Fig 36 If you observe a suspected malfunction or the burner flames are not clear blue call your dealer 39 HEADING SOUTH FOR THE WINTER DON T FORGET YOUR FURNACE A CAUTION If the furnace is installed in an unconditioned space where the ambient temperatures may be 32 F or lower freeze protection measures must be taken to prevent minor property or product damage Since the furnace uses a condensing heat exchanger some water
19. tap water A mild liquid detergent may be used if necessary Spray water through filter in the opposite direction of airflow Allow filter to dry Reinstall clean air filter 7 Reinstall filter retainer for blower compartment locations only Replace blower access panel and main furnace door See Fig 33 and 34 or filter cabinet door Fig 35 and 36 Turn on electrical supply to furnace If your furnace air filter needs to be replaced be sure to use a factory authorized filter of the same size that was orginally sup plied Use the filter tables and compare your furnace size with the proper filter size FURNACE AIR FILTER TABLE AIR FILTER LOCATED IN BLOWER COMPARTMENT FURNACE FILTER SIZE IN CASING FILTER WIDTH IN Side Returnt Bottom Return TYPE 17 1 2 1 16x25x1 1 16x25x1 Cleanable 21 1 16x 25x1 1 20 x 25 x 1 Cleanable 24 1 2 i or 2 16x 25x 1 1 24x 25x 1 Cleanable AIR FILTER LOCATED IN FILTER CABINET FILTER CABINET FILTER FILTER HEIGHT IN SIZE IN TYPE 16 1 16x 25 x 1 Cleanable or or 1 16 x 25 x 4 5 16 Disposable 20 1 20 x 25 x 1 Cleanable or or 1 20 x 25 x 4 5 16 Disposable 24 1 24x 25 x 1 Cleanable or or 1 24 x 25 x 4 5 16 Disposable Factory provided with the furnace Filters may be field modified by cutting filter material and support rods 3 in filters Alternate sizes and additional fil
20. ters may be ordered from your dealer t Upfiow only A CAUTION Use care when cutting support rods in filters to protect against flying pieces and sharp rod ends Wear safety glasses gloves and appropriate pro tective clothing Failure to follow this caution could result in personal injury COMBUSTION AREA AND VENT SYSTEM A DANGER If holes are found in the pipes or if any portion has become disconnected toxic fumes can escape into your home DO NOT OPERATE YOUR FURNACE Call your dealer for service Failure to follow this warning could result in personal injury or death Visually inspect the combustion area and vent system before each heating season Make sure that all PVC pipes leading into the combustion area and vent are free from any cracks and sags Check the combustion air intake and vent pipe on the outside of your home for blockage When dirt soot scale or rust is allowed to build up your fur nace can suffer a loss of efficiency and perform improperly Accumulations on the main burners can result in firing out of normal sequence This delayed ignition creates an alarmingly loud sound A CAUTION If your furnace makes an especially loud noise when the main burners light shut down your fur nace and call your dealer Failure to follow this caution would result in minor property damage To inspect the combustion area and vent system you will need a flashlight Refer to Fig 3 or 4 and proceed a
21. to squeeze out the maximum amount of heat from the fuel con sumed In fact your new furnace is so efficient over 90 of the heat generated during combustion is captured and delivered inside your home That is more than a 33 increase in heating effi ciency over conventional furnaces These are among the most energy efficient furnaces you can buy to day They also are among the safest and most dependable We are proud of the technological advances incorporated into the design of these furnaces With only minimal care your new furnace will deliver many years of money saving home comfort and enjoyment Spend just afew minutes with this manual to learn the operation of your new furnace and the small amount of maintenance it takes to help keep it operating at peak efficiency year after year The output capacity and any representations of efficiency for this furnace are based on standard U S Department of Energy test procedures GENERAL FURNACE SAFETY 1 Combustible Materials Gasoline Warning 14 2 Furnace Must be Kept Free and Clear of Insulating Material Warning 0 c cece cece ene 4 3 Furnace Needs Air for Combustion and Ventilation Warning 4 Starting Lighting and Shutting Down the Furnace Warning 00 c cece cece ence nee e es 4 6 5 Proper Furnace Shutdown Procedures 5 6 Flood Damage Warning 0 0 cece eee eee 1 7 Fire or Ex
22. ul when handling parts or reaching into the furnace Failure to follow this caution would result in minor personal injury FILTERING OUT TROUBLE A CAUTION Never operate your furnace without a filter in place Doing so may damage the furnace blower motor An accumulation of dust and lint on internal parts of your furnace can cause a loss of efficiency and would cause minor property or product damage A dirty air filter will cause a loss of airflow in your duct system When excessive loss of airflow occurs the furnace may cycle on its safety controls If this condition is left unat tended the furnace will eventually lock out It is recom mended that the furnace air filter be checked every 3 or 4 weeks and cleaned if necessary If installed with factory specified disposable media filter check or replace filter before each heating and cooling sea son Replace disposable media filter at least once a year The air filter is normally located in the blower compartment See Fig 3 or 4 or in the factory supplied filter cabinet attached to the side or bottom of the furnace casing If air filter has been installed in another location contact your deal er for instructions To inspect clean and or replace the air filter s follow these steps 1 Turn off electrical supply to furnace See Fig 20 2 Remove door access panel AIR FILTERS S LOCATED IN BLOWER COMPART MENT a Remove main furnace door See Fig 23 b
23. will accumulate in the unit as a result of the heat transfer process Therefore once it has been operated it cannot be turned off and left off for an extended period of time when temperatures will reach 32 F or lower unless winterized Follow these procedures to winterize your furnace 1 Obtain propylene glycol RV swimming pool antifreeze or equivalent A CAUTION Do not use ethylene glycol Prestone Il antifreeze coolant or equivalent Failure of plastic compo nents will occur 2 Turn off electrical supply to the furnace See Fig 20 3 Remove main furnace door See Fig 23 4 Remove upper inducer housing drain connection cap See Fig 40 40 41 5 Connect field supplied 1 2 in ID tube to upper inducer housing drain connection 6 Insert field supplied funnel into tube 7 Pour 1 quart of antifreeze into funnel tube Antifreeze should run through inducer housing overfill condensate trap and flow into open field drain See Fig 41 10 8 Remove funnel and tube from inducer housing and replace drain connection cap and clamp 9 Replace main furnace door See Fig 34 10 Propylene glycol need not be removed before restarting furnace A CHECK UP CHECKLIST Your furnace represents an important investment in your fami ly s comfort and your home s value To keep it performing properly and to prevent future problems have a trai
Download Pdf Manuals
Related Search