Carrier 58SU0A Installation, Start-Up, Operating And Service And Maintenance Instructions
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Carrier 58SU0A Installation, Start-Up, Operating And Service And Maintenance Instructions

4-way multipoise induced-combustion 80% gas furnace
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58SU0A
4-Way Multipoise
Induced-Combustion 80% Gas Furnace
Input Capacities: 60,000 & 80,000 Btuh
Installation, Start-up, Operating and
Service and Maintenance Instructions
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ELECTROSTATIC DISCHARGE
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Use of the AHRI Certified TM Mark indicates a
manufacturer's participation in the program. For
verification of certification for individual products,
go to www.ahridirectory.org.
Approved for installations up to 2000 feet (610 meters)
NOTE: Read the entire instruction manual before starting the
installation.
Portions of the text and tables are reprinted from current edition
of NFPA 54/ANSI Z223.1E, with permission of National Fire
Protection Association, Quincy, MA 02269 and American Gas
Association, Washington DC 20001. This reprinted material is
not the complete and official position of the NFPA or ANSI on
the referenced subject, which is represented only by the standard
in its entirety.
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ISO 9001
QMI-SAI Global
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Summary of Contents for Carrier 58SU0A

  • Page 1: Table Of Contents

    58SU0A 4-Way Multipoise Induced-Combustion 80% Gas Furnace Input Capacities: 60,000 & 80,000 Btuh Installation, Start-up, Operating and Service and Maintenance Instructions SAFETY CONSIDERATIONS ......

  • Page 2: Safety Considerations

    SAFETY CONSIDERATIONS 1. Use only with type of gas approved for this furnace. Refer to the furnace rating plate. WARNING 2. Install this furnace only in a location and position as specified in the “Location” section of these instructions. 3. Provide adequate combustion and ventilation air to the FIRE, EXPLOSION, ELECTRICAL SHOCK, AND furnace space as specified in “Air for Combustion and CARBON MONOXIDE POISONING HAZARD...
  • Page 3 A180207 Fig. 1 − Dimensional Drawing Table 1 – Dimensions ACCESSORY FILTER CABINET OUTLET TOP FLUE BOTTOM MEDIA VENT WIDTH WIDTH COLLAR ONLY INLET WIDTH SHIP WT. CABINET SIZE CONNECTION IN. (MM) IN. (MM) IN. (MM) IN. (MM) FURNACE SIZE IN.

  • Page 4: Codes And Standards

    A180239 Fig. 2 − Clearances to Combustibles In the United States, follow all codes and standards for the following: Safety USA: Current edition of National Fuel Gas Code (NFGC) NFPA 54/ANSI Z223.1 and the Installation Standards, Warm Air Heating and Air Conditioning Systems ANSI/NFPA 90B General Installation Current edition of the NFGC and the NFPA 90B.

  • Page 5: Acoustical Lining And Fibrous Glass Duct

    book Chapter 35 or 2004 HVAC Systems and Equip- 1. Disconnect all power to the furnace. Multiple disconnects ment Handbook Chapters 9 and 16. maybe required. DO NOT TOUCH THE CONTROL OR ANY WIRE CONNECTED TO THE CONTROL PRIOR Acoustical Lining and Fibrous Glass Duct DISCHARGING YOUR BODY’S...

  • Page 6: Location

    LOCATION All fuel−burning equipment must be supplied with air for fuel combustion. Sufficient air must be provided to avoid negative GENERAL pressure in the equipment room or space. A positive seal must be This multipoise furnace is shipped in packaged configuration. made between the furnace cabinet and the return−air duct to Some assembly and modifications are required when used in any prevent pulling air from the burner area and from draft safeguard...

  • Page 7: Air For Combustion And Ventilation

    Table 2 – Minimum Free Area Required for Each Combustion Air Opening or Duct to Outdoors TWO OPENINGS OR VERTICAL DUCTS TWO HORIZONTAL DUCTS SINGLE DUCT OR OPENING (1 SQ. IN./4,000 BTUH) (1 SQ. IN./2,000 BTUH) (1 SQ. IN./3,000 BTUH) (550 SQ.
  • Page 8 c. TWO HORIZONTAL DUCTS require 1 square inch of WARNING free area per 2,000 Btuh (1,100 mm /kW) of combined input for all gas appliances in the space per Fig. 7 and CARBON MONOXIDE POISONING HAZARD Table 2. Failure to follow this warning could result in personal injury d.

  • Page 9: Installation

    The Standard Method: additional air MUST be provided using the methods de- scribed in the Outdoor Combustion Air Method section. 1. The space has no less volume than 50 cubic feet per 1,000 Unusually tight construction is defined as construction with: Btuh of the maximum input ratings for all gas appliances installed in the space and a.

  • Page 10: Downflow Installation

    Leveling Legs (If Desired) DOWNFLOW INSTALLATION NOTE: For downflow applications, this furnace is approved for In upflow position with side return inlet(s), leveling legs may be used. (See Fig. 10) Install field−supplied, 5/16 x 1−1/2 in. (8 x 38 use on combustible flooring when any one of the following 3 mm) (max) corrosion−resistant machine bolts, washers and nuts.

  • Page 11: Horizontal Installation

    FURNACE FURNACE (OR COIL CASING APPROVED WHEN USED) COIL ASSEMBLY COIL BOX COMBUSTIBLE FLOORING COMBUSTIBLE FLOORING DOWNFLOW SHEET METAL SUBBASE PLENUM SHEET METAL FLOOR PLENUM OPENING FLOOR OPENING A08556 Fig. 13 − Furnace, Plenum, and Coil Assembly or A96285 Coil Box Installed on a Combustible Floor Fig.

  • Page 12: Air Ducts

    from the furnace sides, so that the strap attachment screws are not Conditioning Engineers (ASHRAE) or consult The Air Systems in tension (are loaded in shear) for reliable support. Design Guidelines reference tables available from your local distributor. The duct system should be sized to handle the Platform Furnace Support required system design CFM at the design external static pressure.
  • Page 13 UPFLOW DOWNFLOW HORIZONTAL 90 90 120 120 120 A02020 Fig. 14 − Duct Flanges " (6mm) THREADED ROD 4 REQ. OUTER DOOR A S SEMBLY SECURE ANGLE IRON TO BOTTOM OF FURNACE WITH 3 #8 x " (19mm) SCREWS TYPICAL FOR 2 SUPPORTS 8"...
  • Page 14 METHOD 2 USE (4) #8 x 3/4 (19 mm) SHEET METAL SCREWS FOR EACH STRAP. THE STRAPS SHOULD BE VERTICAL AGAINST THE FURNACE SIDES AND NOT PULL AWAY FROM THE FURNACE SIDES. METHOD 1 FOLD ALL STRAPS UNDER FURNACE AND SECURE WTH (4) #8 x 3/4 (19 mm) SHEET METAL SCREWS (2 SCREWS IN SIDE AND 2 SCREWS IN BOTTOM).

  • Page 15: Gas Piping

    Return Air Connections WARNING WARNING FIRE OR EXPLOSION HAZARD FIRE HAZARD Failure to follow this warning could result in personal injury, death, and/or property damage. Failure to follow this warning could cause personal injury, death and/or property damage. If local codes allow the use of a flexible gas appliance connector, always use a new listed connector.
  • Page 16 Table 5 – Air Delivery − CFM (With Filter) Test Airflow Delivery @ Various External Static Pressures Wire Lead Wire Lead Furnace Function External Static Pressure (IN. W.C.) Color Gray Cooling. Do not use for heating. 1720 1680 1635 1585 1545 1505 1455...
  • Page 17 A02075 Fig. 19 − Upflow Return Air Configurations and Restrictions A02163 Fig. 20 − Downflow Return Air Configurations and Restrictions A180279 Fig. 21 − Horizontal Return Air Configurations and Restrictions...

  • Page 18: Electrical Connections

    Table 7 – Electrical Data Maximum Maximum Operating Voltage* Volts­ Minimum Maximum Unit Wire Fuse or Range Unit Size Hertz­ Wire Size Unit Amps Ampacity# Length‡ ft CKT BKR† Phase Maximum Minimum Amps 115­60­1 10.6 13.9 26 (8) 060­16 115­60­1 13.3 17.3 33 (10)

  • Page 19: 24−V Wiring

    ELECTRICAL CONNECTION TO J−BOX Electrical Box on Furnace Casing Side WARNING FIRE OR ELECTRICAL SHOCK HAZARD Failure to follow this warning could result in personal injury, death, or property damage. If field−supplied manual disconnect switch is to be mounted on furnace casing side, select a location where a drill or fastener cannot damage electrical or gas components.
  • Page 20 SW1 – SEE SW1 - FAULT INDUCER MOTOR DIAGNOSTIC RECALL/CLEAR LOW VOLTAGE LABEL FOR USE AND COMPONENT CONNECTOR OF THIS SWITCH TEST BUTTON INDUCER MOTOR AND COOL ON-DELAY AND HEAT OFF- IGNITER 115-VAC / NEUTRAL DELAY (JUMPER SHOWN IN CONNECTOR FACTORY DEFAULT POSITION) COOL HEAT...

  • Page 21: Venting

    VENTING GENERAL VENTING REQUIREMENTS The furnace shall be connected to a listed factory built chimney Follow all safety codes for proper vent sizing and installation or vent, or a clay−tile lined masonry or concrete chimney. Venting requirements, including local building codes, the current edition into an unlined masonry chimney or concrete chimney is of National Fuel Gas Code ANSI Z223.1/NFPA 54 (NFGC), prohibited.

  • Page 22: Appliance Application Requirements

    If all of these conditions cannot be met, an alternative venting Table 9 – Minimum Allowable Input Rating of design shall be used, a listed chimney−lining system, or a Type−B Space−Heating Appliance in Thousands of BTUH per Hour common vent. INTERNAL AREA OF CHIMNEY Inspections before the sale and at the time of installation will .
  • Page 23 A180242 Fig. 25 − Chimney Inspection Chart...

  • Page 24: Additional Venting Requirements

    To prevent condensation in the furnace and vent system, the NOTE: An accessory flue extension is available to extend from following precautions must be observed: the furnace elbow to outside the furnace casing. See Product Data for accessory listing. If flue extension is used, fasten the flue 1.
  • Page 25 SEE NOTES: 1,2,4,7,8,9 on the page following these figures SEE NOTES: 1,2,4,5,6,7,8,9 on the page following these figures A03208 A03207 Fig. 26 − Upflow Application−Vent Elbow Up Fig. 29 − Downflow Application−Vent Elbow Left then Up SEE NOTES: 1,2,4,7,8,9 on the page following these figures A03214 Fig.

  • Page 26: Start−Up, Adjustment, And Safety Check

    VENTING NOTES FOR FIGURES 26 − 31 1. For common vent, vent connector sizing and vent material: United States−−use the NFGC. 2. Immediately increase to 5−inch (127 mm) or 6−inch (152 mm) vent connector outside furnace casing when 5−inch (127 mm) vent connector is required, refer to Note 1 above.
  • Page 27 b. Loosen set screw on inlet tower pressure tap no more than a. Turn off all other gas appliances and pilots served by the one full turn with a 3/32*in. hex wrench or remove the meter. 1/8*in. NPT plug from the inlet pressure tap on the gas b.

  • Page 28: Check Safety Controls

    CAUTION FURNACE OVERHEATING HAZARD Failure to follow this caution may result in reduced furnace life. Recheck temperature rise. It must be within limits specified on the rating plate. Recommended operation is at the mid−point of rise range or slightly above. 7.
  • Page 29 tablished that limit is functioning properly and will operate b. Disconnect power to furnace and remove vent connec- if there is a restricted duct system or motor failure. If limit tor from furnace vent elbow. control does not function during this test, cause must be c.

  • Page 30: Service And Maintenance Procedures

    Table 11 – Gas Valve Outlet Pressure for Gas Heat Values at WARNING Altitude − 60,000 ELECTRICAL SHOCK, FIRE OR EXPLOSION (Tabulated Data Based on 60,000 BTUH Input for 0-ft (0m) to HAZARD 2000-ft (610-m) above sea level) Failure to follow this warning could result in personal SPECIFIC GRAVITY OF injury or death.

  • Page 31: Care And Maintenance

    For an explanation of status codes, refer to service label located b. Remove inner blower door. on blower access door or Fig. 35 and the Service guide at the end c. Close blower door interlock switch. of this manual. d. Depress and hold SW1 button once (for less than 5 See Fig.

  • Page 32: Cleaning And/Or Replacing Air Filter

    BLOWER MOTOR AND WHEEL CAUTION WARNING CUT HAZARD ELECTRICAL SHOCK HAZARD Failure to follow this caution may result in personal injury. Failure to follow this warning could result in personal injury Sheet metal parts may have sharp edges or burrs. Use care or death.

  • Page 33: Cleaning Heat Exchanger

    13. Reinstall two screws securing blower assembly to blower 3. Disconnect vent connector from furnace vent elbow. deck. 4. Disconnect wires to the following components. Mark wires to aid in reconnection of (be careful when discon- CAUTION necting wires from switches because damage may occur): a.

  • Page 34: Sequence Of Operation

    (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 burner inlet opening of cell, and proceed to clean two lower passes of cell in same manner as upper pass.

  • Page 35: Fault Code Recall

    d. Trial for Ignition: Once the igniter warm-up period has blower on the COOL speed for the duration of the Cool expired, the control sets the inducer to the “Trial for Blower Off-Delay timing (fixed 90 seconds). Ignition” setting and stabilizes the inducer speed to meet OFF: The controls returns to the stand−by mode until either a the target pressure.
  • Page 36 A180211 Fig. 38 − Wiring Diagram...
  • Page 37 SERVICE GUIDE LED CODES STATUS CONTINUOUS OFF No 24 VAC Power to Control. FLASHING (RED, AMBER, GREEN) Power−up verification of LED. CONTINUOUS ON (RED) Internal Control Fault Detected, control will try to Auto−Reset, power cycle recommended. Replace control if power cycle doesn’t correct fault. CONTINUOUS ON (GREEN) Standby, Normal Operation, No Thermostat Requests.

  • Page 38: Parts Replacement Information Guide

    TION SERIES 58SU0A −− Copyright 2018 Carrier Corp. S 7310 W. Morris St. S Indianapolis, IN 46231 Edition Date: 10/18 Catalog No: 58SU0A-01SI Replaces: NEW Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.

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