Page 1: Table Of Contents
58ST Single---Stage Deluxe Induced---Combustion 4---Way Multipoise Furnace Installation, Start---up, Operating and Service and Maintenance Instructions Series 120/C SAFETY CONSIDERATIONS ......
Page 2: Safety Considerations
SAFETY CONSIDERATIONS CAUTION Improper installation, adjustment, alteration, service, maintenance, or use can cause explosion, fire, electrical shock, or FURNACE RELIABILITY HAZARD other conditions which may cause death, personal injury, or Improper installation or misapplication of furnace may property damage. Consult a qualified installer, service agency, or require excessive servicing or cause premature component your distributor or branch for information or assistance.
Page 3: Introduction
28-7/8" 26-1/8" (FLUE COLLAR) 25-1/4" 2-7/16" 22-9/16" AIRFLOW 1-5/16" 19" 13/16" JUNCTION BOX 13/16" 1-1/8" LOCATION OUTLET 4-13/16" 5-15/16" 1/2" DIA. K.O.THERMOSTAT 9-5/8" WIRE ENTRY 11/16" 8-9/16" 7/8" DIA 1-3/4" DIA.RIGHT HAND 7-3/4" ACCESSORY GAS ENTRY 1/2" DIA THERMOSTAT 11-1/2" WIRE ENTRY 3-15/16"...
Page 4: Codes And Standards
INSTALLATION MINIMUM INCHES CLEARANCE TO COMBUSTIBLE CONSTRUCTION DISTANCE MINIMALE EN POUCES AUX CONSTRUCTIONS COMBUSTIBLES This forced air furnace is equipped for use with This furnace is approved for UPFLOW, DOWNFLOW, and HORIZONTAL installations. natural gas at altitudes 0-10,000 ft (0-3,050m). accessory kit, supplied...
Page 5: General Installation
CANADA: CSA B149.1- -05 National Standard of US: National Electrical Code (NEC) ANSI/NFPA Canada Natural Gas and Propane Installation Codes 70- -2005 (CAN/CSA- -B149.1- -05) CANADA: Canadian Electrical Code CSA C22.1 Step 2 —General Installation Step 8 —Venting US: Current edition of the NFGC and the NFPA 90B. US: NFGC;...
Page 6: Location
THE BLOWER IS LOCATED BELOW THE BURNER SECTION, AND CONDITIONED AIR IS DISCHARGED UPWARD. THE BLOWER IS LOCATED TO THE RIGHT OF THE BURNER SECTION, AND AIR CONDITIONED AIR IS DISCHARGED TO THE LEFT. THE BLOWER IS THE BLOWER IS LOCATED TO THE LEFT LOCATED ABOVE THE OF THE BURNER SECTION,...
Page 7 WARNING WARNING CARBON MONOXIDE POISONING AND UNIT FIRE AND EXPLOSION HAZARD DAMAGE HAZARD Failure to follow this warning could result in personal Failure to follow this warning could result in personal injury, death, and/or property damage. or explosion. injury or death, and unit component damage. When the furnace is installed in a residential garage, the Corrosive or contaminated air may cause failure of parts burners and ignition sources must be located at least 18...
Page 8: Air For Combustion And Ventilation
CAUTION FURNACE CORROSION HAZARD Failure to follow this caution may result in furnace damage. Air for combustion must not be contaminated by halogen compounds, which include fluoride, chloride, bromide, and iodide. These elements can corrode heat exchangers and shorten furnace life. Air contaminants are found in aerosol sprays, detergents, bleaches, cleaning solvents, salts, air fresheners, and other household products.
Page 9 TABLE 2—MINIMUM FREE AREA REQUIRED FOR EACH COMBUSTION AIR OPENING OR DUCT TO OUTDOORS TWO HORIZONTAL DUCTS SINGLE DUCT OR OPENING TWO OPENINGS OR VERTICAL DUCTS FUR- (1 SQ. IN./2,000 BTUH) (1,100 SQ. MM/KW) (1 SQ. IN./3,000 BTUH) (734 SQ. MM/KW) (1 SQ.
Page 10 1 SQ IN. PER 4000 DUCTS BTUH* CIRCULATING AIR VENT THROUGH ROOF OUTDOORS DUCTS 12″ MAX 12″ 1 SQ IN. VENT 12" MAX PER 2000 THROUGH BTUH* ROOF 1 SQ IN. 1 SQ IN. PER 1000 4000 BTUH* IN DOOR BTUH* OR WALL DUCTS...
Page 11: Installation
Unusually tight construction is defined as Construction with: 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. (max) a. Walls and ceilings exposed to the outdoors have a corrosion- -resistant machine bolts, washers and nuts.
Page 12: Bottom Return Air Inlet
FURNACE CD5 OR CK5 COIL ASSEMBLY OR KCAKC COIL BOX COMBUSTIBLE PLENUM FLOORING OPENING FLOOR SHEET METAL OPENING PLENUM FLOOR OPENING A04140 A96283 A04140 Fig. 11 --- Floor and Plenum Opening Dimensions Fig. 13 --- Furnace, Plenum, and Coil Assembly or Coil Box Installed on a Combustible Floor NOTE: It is recommended that the perforated supply- -air duct Bottom Return Air Inlet...
Page 13: Platform Furnace Support
If the screws are attached to ONLY the furnace sides and not the Side Return Air Inlet bottom, the straps must be vertical against the furnace sides and These furnaces are shipped with bottom closure panel installed in not pull away from the furnace sides, so that the strap attachment bottom return- -air opening.
Page 14: General Requirements
TABLE 4—OPENING DIMENSIONS (IN.) FURNACE PLENUM OPENING FLOOR OPENING CASING APPLICATION WIDTH Upflow Applications on Combustible or Noncombustible Floor- 12--- 11/16 21--- 5/8 13--- 5/16 22--- 1/4 ing (KGASB subbase not required) Downflow Applications on Noncombustible Flooring (KGASB 12--- 9/16 13--- 3/16 19--- 5/8 subbase not required)
Page 15 TABLE 5—AIR DELIVERY - - CFM (WITH FILTER)* FURNACE RETURN---AIR EXTERNAL STATIC PRESSURE (IN. WC) SPEED SIZE INLET High 1085 1035 045---08 / Bottom or Side(s) Med --- High --- --- 024045 Med --- Low --- --- High 1440 1375 1305 1240 1160...
Page 16 TABLE 5⎯ AIR DELIVERY - - CFM (WITH FILTER)* (CONTINUED) EXTERNAL STATIC PRESSURE (IN. WC) FURNACE RETURN---AIR SPEED SIZE INLET High 2090 2010 1930 1835 1710 1590 1470 1335 1025 Med --- 1790 1755 1705 1640 1550 1465 1360 1210 048135 Bottom or Side(s) High...
Page 17 " THREADED ROD 4 REQ. OUTER DOOR ASSEMBLY SECURE ANGLE IRON TO BOTTOM OF FURNACE WITH 3 #8 x " SCREWS TYPICAL FOR 2 SUPPORTS 8" MIN FOR DOOR REMOVAL 1" SQUARE, 1 " x 1 " x " ANGLE IRON OR UNI-STRUT MAY BE USED (2) HEX NUTS, (2) WASHERS &...
Page 18 LINE CONTACT ONLY PERMISSIBLE BETWEEN LINES FORMED BY INTERSECTIONS OF THE TOP AND TWO SIDES OF THE FURNACE JACKET AND BUILDING JOISTS, STUDS, OR FRAMING. ″ OVER ALL ″ UNDER DOOR 1″ UNDER FURNACE TYPE-B EXTEND OUT 12″ OUT ENTRY VENT FROM FACE OF DOOR I N *...
Page 19 A02163 Fig. 19 --- Downflow Return Air Configurations and Restrictions A02162 Fig. 20 --- Horizontal Return Air Configurations and Restrictions Upflow and Horizontal Furnaces temporarily while the remaining attachment and sealing of the coil are performed. Connect supply- -air duct to flanges on furnace supply- -air outlet. Bend flange upward to 90_ with wide duct pliers.
Page 20: Return Air Connections
other accessories. All accessories MUST be connected to duct 2. When flexible connectors are used, the maximum length external to furnace casing. shall not exceed 36 inches (915 mm). 3. When lever handle type manual equipment shutoff valves WARNING are used, they shall be T- -handle valves. 4.
Page 21 NOTE: The furnace gas valve inlet pressure tap connection is Piping should be pressure and leak tested in accordance with NFGC in the United States or CAN/CSA- -B149.1- -05 in Canada, suitable to use as test gauge connection providing test pressure local, and national plumbing and gas codes before the furnace has DOES NOT exceed maximum 0.5 psig (14- -in.
Page 22 size and fuse specifications. A readily accessible means of WARNING electrical disconnect must be located within sight of the furnace. NOTE: Proper polarity must be maintained for 115- -v wiring. If ELECTRICAL SHOCK HAZARD polarity is incorrect, control LED status indicator light will flash rapidly and furnace will NOT operate.
Page 23 4. Remove and save two screws holding J- -Box. (See Fig. 23.) 5. Pull furnace power wires out of 1/2- -inch diameter hole in J- -Box. Do not loosen wires from strain- -relief wire- -tie on outside of J- -Box. 6.
Page 24 TABLE 7—ELECTRICAL DATA MAXIMUM MAXIMUM OPERATING VOLTAGE VOLTS--- MAXIMUM MINIMUM FURNACE UNIT WIRE FUSE OR RANGE HERTZ--- UNIT WIRE SIZE AMPACITY# LENGTH CKT BKR PHASE AMPS GAUGE (FT.)‡ AMPS† Maximum* Minimum* 045---08/02404 115--- 60--- 7.54 045---12/03604 115--- 60--- 9.50 070---08/02407 115--- 60--- 7.06 070---12/03607...
Page 25 TWINNING AND/OR COMPONENT TEST BLOWER OFF-DELAY TERMINAL J2 JUMPER BLOWER OFF-DELAY HUMIDIFIER TERMINAL (24-VAC 0.5 AMP MAX.) 24-V THERMOSTAT TERMINALS TRANSFORMER 24-VAC CONNECTIONS TEST/TWIN 0.5 AMP@24VAC 3-AMP FUSE FUSE 3-AMP SEC-2 SEC-1 LED OPERATION & EAC-2 DIAGNOSTIC LIGHT PL1-LOW VOLTAGE MAIN HARNESS CONNECTOR 115-VAC(L2)NEUTRAL CONNECTIONS...
Page 26 24- -V WIRING WARNING Make field 24- -v connections at the 24- -v terminal strip. (See Fig. 25.) Connect terminal Y as shown in Fig. 26 for proper cooling CARBON MONOXIDE POISONING HAZARD operation. Use only AWG No. 18, color- -coded, copper thermostat wire.
Page 27 1. If a vent (common or dedicated) becomes blocked, the 1. Vent connector is Type- -B double- -wall, and furnace will be shut off by the draft safeguard switch 2. This furnace is common vented with at least 1 draft located on the vent elbow.
Page 28 CHIMNEY INSPECTION CHART For additional requirements refer to the National Fuel Gas Code NFPA 54/ANSI Z223.1 and ANSI/NFPA 211 Chimneys, Fireplaces, Vents, and Solid Fuel Burning Appliances in the U.S.A. or to the Canadian installation Code CSA-B149.1 in Canada. Crown Rebuild condition: crown.
Page 29 APPLIANCE APPLICATION REQUIREMENTS Appliance operation has a significant impact on the performance of the venting system. If the appliances are sized, installed, adjusted, and operated properly, the venting system and/or the appliances should not suffer from condensation and corrosion. The venting system and all appliances shall be installed in accordance with applicable listings, standards, and codes.
Page 30 Air for combustion must not be contaminated by halogen points and allow the knockout to be pulled loose. (See Fig. 30.) compounds which include chlorides, fluorides, bromides, and Remove all burrs and sharp edges. iodides. These compounds are found in many common home products such as detergent, paint, glue, aerosol spray, bleach, cleaning solvent, salt, and air freshener, and can cause corrosion of furnaces and vents.
Page 31 having jurisdiction. Select the listed mechanical venter to match the Btuh input of the furnace being vented. Follow all manufacturer’s installation requirements for venting and termination included with the listed mechanical venter. A04129 Fig. 30 --- Knockout Pulled Loose A04130 Fig.
Page 32: Start- -Up, Adjustment, And Safety Check
START- - UP, ADJUSTMENT, AND SAFETY WARNING CHECK Step 1 —General ELECTRICAL SHOCK HAZARD Failure to follow this warning could result in personal WARNING injury, or death. Blower access door switch opens 115- -v power to control. FIRE HAZARD No component operation can occur unless switch is closed. Caution must be taken when manually closing this switch Failure to follow this warning could result in personal for service purposes.
Page 33 SEE NOTES: 1,2,4,7,8,9 SEE NOTES: 1,2,4,5,7,8,9 on the page following on the page following these figures these figures A03208 A03211 Fig. 33 --- Upflow Application- -Vent Elbow Up Fig. 36 --- Downflow Application- -Vent Elbow Up SEE NOTES: 1,2,4,5,6,7,8,9,10 SEE NOTES: 1,2,3,4,7,8,9 on the page following these figures on the pages following these figures...
Page 34 SEE NOTES: 1,2,4,7,8,9 on the page following these figures SEE NOTES: 1,2,4,7,8,9 on the page following these figures A03213 A03218 Fig. 39 --- Horizontal Left Application- -Vent Elbow Left Fig. 43 --- Horizontal Right Application- -Vent Elbow Right SEE NOTES: 1,2,4,5,7,8,9 on the page following these figures SEE NOTES: 1,2,4,5,7,8,9 on the page following these figures...
Page 35: Adjustments
CAUTION!! FOR THE FOLLOWING APPLICATIONS, USE THE MINIMUM VERTICAL VENT HEIGHTS AS SPECIFIED BELOW. FOR ALL OTHER APPLICATIONS, FOLLOW EXCLUSIVELY THE NATIONAL FUEL GAS CODE. FURNACE VENT FURNACE MINIMUM VENT MINIMUM VERTICAL VENT ORIENTATION ORIENTATION INPUT (BTUH/HR) DIAMETER (IN.)* HEIGHT (FT.)** Vent elbow left, then 154,000 132,000 Downflow...
Page 36 EXAMPLE 2: (0- -2000 ft. altitude) b. When thermometer readings stabilize, subtract For 22,000 Btuh per burner application use Table 12. return- -air temperature from supply- -air temperature to Heating value = 1000 Btuh/cu ft. determine air temperature rise. Specific gravity = 0.62 NOTE: Blower access door must be installed for proper Therefore: Orifice No.
Page 37 CONNECTION DIAGRAM TO 115VAC FIELD DISCONNECT SWITCH SCHEMATIC DIAGRAM BLOWER OFF-DELAY JUMPER SELECT OR FRS2 (NATURAL & PROPANE GASES) NEUTRAL EQUIPMENT GROUND DHUM (WHEN USED) MED LO HEAT MED HI GRN/YEL NOTE #10 NOTE #5 START SPARE-1 FRS1 NOTE #15 COOL EAC-2 Y/Y2...
Page 38 THERMOSTAT SUBBASE TERMINALS WITH THERMOSTAT REMOVED (ANITICIPATOR, CLOCK, ETC., MUST BE OUT OF CIRCUIT.) HOOK-AROUND AMMETER R Y W G 10 TURNS FROM UNIT 24-V CONTROL TERMINALS = 0.5 AMPS FOR THERMOSTAT EXAMPLE: 5.0 AMPS ON AMMETER ANTICIPATOR SETTING 10 TURNS AROUND JAWS A96316 Fig.
Page 39: Check Safety Controls
Step 4 —Check Safety Controls The flame sensor, gas valve, and pressure switch were all checked in the Start- -up procedure section as part of normal operation. 1. Check Main Limit Switch(es) This control shuts off combustion control system and energizes air- -circulating blower motor, if furnace overheats.
Page 40 TABLE 10—GAS RATE (CU FT./HR) SIZE OF TEST DIAL SIZE OF TEST DIAL SECONDS FOR 1 REV- SECONDS FOR 1 REV- 1 Cu Ft 2 Cu Ft 5 Cu Ft 1 Cu Ft 2 Cu Ft 5 Cu Ft OLUTION OLUTION 1800 1636...
Page 41 TABLE 12—ORIFICE SIZE* AND MANIFOLD PRESSURE FOR GAS INPUT RATE (TABULATED DATA BASED ON 22,000 BTUH PER BURNER, DERATED 4 PERCENT FOR EACH 1000 FT. ABOVE SEA LEVEL) SPECIFIC GRAVITY OF NATURAL GAS AVG.. GAS ALTITUDE RANGE HEAT VALUE 0.58 0.60 0.62 0.64...
Page 42 TABLE 12–ORIFICE SIZE* AND MANIFOLD PRESSURE FOR GAS INPUT RATE (CONTINUED) (TABULATED DATA BASED ON 22,000 BTUH PER BURNER, DERATED 4 PERCENT FOR EACH 1000 FT. ABOVE SEA LEVEL) SPECIFIC GRAVITY OF NATURAL GAS AVG. GAS 0.58 0.60 0.62 0.64 ALTITUDE HEAT VALUE RANGE (FT.)
Page 43 TABLE 12–ORIFICE SIZE* AND MANIFOLD PRESSURE FOR GAS INPUT RATE (CONTINUED) (TABULATED DATA BASED ON 22,000 BTUH PER BURNER, DERATED 4 PERCENT FOR EACH 1000 FT. ABOVE SEA LEVEL) SPECIFIC GRAVITY OF NATURAL GAS AVG. GAS 0.58 0.60 0.62 0.64 HEAT VALUE ALTITUDE RANGE AT ALTITUDE...
Page 44 TABLE 13—ORIFICE SIZE* AND MANIFOLD PRESSURE FOR GAS INPUT RATE (TABULATED DATA BASED ON 21,000 BTUH PER BURNER, DERATED 4 PERCENT FOR EACH 1000 FT. ABOVE SEA LEVEL) SPECIFIC GRAVITY OF NATURAL GAS 0.58 0.60 0.62 0.64 AVG. GAS ALTITUDE RANGE (FT.) HEAT VALUE Orifice Manifold...
Page 45 TABLE 13—ORIFICE SIZE* AND MANIFOLD PRESSURE FOR GAS INPUT RATE (CONTINUED) (TABULATED DATA BASED ON 21,000 BTUH PER BURNER, DERATED 4 PERCENT FOR EACH 1000 FT. ABOVE SEA LEVEL) SPECIFIC GRAVITY OF NATURAL GAS AVG. GAS HEAT ALTITUDE 0.58 0.60 0.62 0.64 VALUE AT ALTI-...
Page 46: Service And Maintenance Procedures
TABLE 13—ORIFICE SIZE* AND MANIFOLD PRESSURE FOR GAS INPUT RATE (CONTINUED) (TABULATED DATA BASED ON 21,000 BTUH PER BURNER, DERATED 4 PERCENT FOR EACH 1000 FT. ABOVE SEA LEVEL) SPECIFIC GRAVITY OF NATURAL GAS AVG. GAS ALTITUDE RANGE 0.58 0.60 0.62 0.64 HEAT VALUE...
Page 47: Introduction
Step 1 —Introduction 3. Component self- -test will begin. Refer to component TEST section for complete test sequence. GENERAL 4. Check LED status. These instructions are written as if the furnace is installed in an 5. Refer to SERVICE label on front of the blower access upflow application.
Page 48 The following steps should be performed by a qualified 2. Check blower motor and wheel for cleanliness each heating and cooling season. Clean as necessary. service agency. 3. Check electrical connections for tightness and controls for To ensure long life and high efficiency, clean accumulated dirt proper operation each heating season.
Page 49 cycle. Turn outdoor circuit breaker on after completing CAUTION cooling cycle. CLEANING HEAT EXCHANGER UNIT DAMAGE HAZARD The following steps should be performed by a qualified service agency: Failure to follow this caution may result in shortened heat exchanger life. NOTE: If the heat exchangers get a heavy accumulation of soot and carbon, they should be replaced rather than trying to clean Heating fan speed(s) MUST be adjusted to provide proper...
Page 50: Sequence Of Operation
(8.) Clean flame sensor with fine steel wool. 9/32˝ (9.) Install NOx baffles (if removed). (10.) Reinstall burner assembly. Center burners in cell openings. 5/16˝ 10. Remove old sealant from cell panel and collector box flange. 11. Spray releasing agent on the heat exchanger cell panel where collector box assembly contacts cell panel.
Page 51: Wiring Diagrams
90- -sec period, after which the LED will be ON continuous, as the furnace blower motor BLWM on COOL speed. The electronic air cleaner terminal EAC- -1 is energized with long as no faults are detected. After the 90- -sec period, the furnace 115 vac when the blower motor BLWM is operating.
Page 54 Edition Date: 02/07 Catalog No: 58ST- - 16SI Copyright 2007 Carrier Corp. S 7310 W. Morris St. S Indianapolis, IN 46231 Replaces: 58ST- -15SI Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.

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