Carrier GAS FURNACE 58MCA manual

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Table of contents for the manual

  • Page 1

    MULTIPOISE, CONDENSING 58MCA, 58MTA, 58MVP, 58MXA GAS FURNACE USER: Please read all instructions in the manual and retain all manuals f or future reference. W ARNING: FIRE OR EXPLOSION HAZARD F ailure to f ollow safety war nings exactly could result in serious injury , death, or pr operty damage. ! NO TE T O INST ALLER: THIS MANUAL M UST BE LEFT WI[...]

  • Page 2

    2 TA B LE OF CONTENTS W ELCOME TO A NEW GENERATION OF COMFORT . . . . . . . 2 GENERAL FURNACE SAFETY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 FURNACE COMPONENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 BEFOR [...]

  • Page 3

    3 FURNA CE COMPONENTS 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 i[...]

  • Page 4

    4 SAFETY CONSIDERATIONS Recognize safety information. This is the safety-alert sym- bol . 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—D ANGER, W ARNING, CA UTION and NOTE. DANGER , WARNING and CAUTION are used with the safety-alert symbol. D AN[...]

  • Page 5

    5 STAR TING AND SHUTTING DOWN Y OUR FURNACE Instead of a continuously burning pilot flame which w astes v aluable energy , your furnace uses an automatic, hot surf ace ignition system to light the burners each time the thermostat starts your furnace. F ollow these important safeguards: • Nev er attempt to manually light the b urners with a match[...]

  • Page 6

    6 For 58MT A and 58MVP 14 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.) 16 17 18 7. Replace main furnace door . (See Fig. 16.) 8. T urn ON the electrical supply to the furnace and wait 1 minute. (See Fig. 17.) 9. Open the external manual gas v alve. (See Fig. 1[...]

  • Page 7

    7 20 For 58MT A and 58MVP 21 For 58MCA and 58MXA 22 6. Replace the main furnace door . (See Fig. 16.) 7. If the furnace is being shut do wn because of a malfunc- tion, call your dealer as soon as possible. P ERFORMING R OUTINE MAINTENANCE NO TE: The qualified installer or agenc y must use only factory-authorized replacement parts, kits, and access[...]

  • Page 8

    8 a. Remov e filter cabinet door (See Fig. 25 and 26.) NO TE: It will be necessary to remove 1 thumbscre w 3. Remove air filter from furnace. • AIR FIL TER LOCA TED IN BLO WER COMP AR TMENT BO TTOM: a. Slide filter retainer side ways until it is free of latch. (See Fig. 27.) b. Slide air filter out of furnace. (See Fig. 28.) • AIR FIL TER(S[...]

  • Page 9

    9 35 36 *F actory-provided with the furnace. Filters may be field modified by cutting- filter material and support rods (3) in filters. Alternate sizes and additional filters may be ordered from your dealer . † Upflow only . COMBUSTION AREA AND VENT SYSTEM V isually inspect the combustion area and vent system before each heating season. Mak[...]

  • Page 10

    10 HEADING SOUTH FOR THE WINTER? DON’T FORGET YOUR FURN ACE! Since the furnace uses a condensing heat e xchanger , some water will accumulate in the unit as a result of the heat transfer process. Therefore, once it has been operated, it cannot be turned of f and left of f for an extended period of time when temperatures will reach 32°F or lo wer[...]

  • Page 11

    11 • Is thermostat set on HEA T? • Check fuses and circuit breakers. Is electrical supply on? • Is manual shutof f v alve in gas supply pipe in open position? (Follo w start-up procedures if you open gas valv e.) NO TE: T urn off electrical supply before continuing with checklist. • Is control switch on gas v alve in ON position? (F ollo w [...]

  • Page 12

    TO OBT AIN INFORMA TION ON P ARTS: Consult your installing dealer or the classified section of y our local telephone directory under the “Heating Equipment’ ’ or “Air Conditioning Contractors & Systems’’ heading for dealer listing by brand name. Have av ailable the Model No., Series Letter , & Serial No. of your equipment to en[...]