Page 2 - HEAT EXCHANGERS; CONTROL CENTER
2 58MXB and throughout the home. Using the exclusive flow-through design, the secondary heat exchanger reduces the pressure drop in the furnace which leads to lower electrical usage, an important part of this unit’s efficiency. Carrier heat exchangers are backed by a Limited Lifetime Warranty. (See ...
Page 4 - Model number nomenclature; ama
4 58MXB Model number nomenclature 58MXB 040 Deluxe 4-Way Multipoise Fixed-CapacityDirect-Vent (2-pipe) and Non-Direct Vent (1-pipe) Condensing Gas Furnace Input Rates 040 — 40,000 Btuh 100 — 100,000 Btuh 060 — 60,000 Btuh 120 — 120,000 Btuh 080 — 80,000 Btuh 140 — 138,000 Btuh F 100 08 Cooling Airfl...
Page 5 - Physical data
5 58MXB Physical data UNIT SIZE 040-08 040-12 060-08 060-12 060-16 080-12 080-16 080-20 100-16 100-20 120-20 140-20 SHIPPING WEIGHT (Lb) 174 175 180 182 183 198 205 214 229 232 261 261 LIMIT CONTROL SPST HEATING BLOWER CONTROL (Off Delay) Selectable 90, 120, 150, or 180 Sec. BURNERS (Monoport) 2 2 3...
Page 6 - Thermostat and zoning control options; Non-Programmable Thermostat Selection
6 58MXB Carrier accessories* * Factory-authorized and field-installed. Gas conversion kits are CSA (A.G.A./C.G.A.) recognized.† For 16 and 20 airflow sizes only (except 140-20 size unit). See kit Installation Instructions for details.‡ Required for installation on combustible floors when no coil box...
Page 8 - Dimensions
8 58MXB DIMENSIONS (In.) UNIT SIZE A D E 040-08 17-1/2 15-7/8 16 040-12 17-1/2 15-7/8 16 060-08 17-1/2 15-7/8 16 060-12 17-1/2 15-7/8 16 060-16 17-1/2 15-7/8 16 080-12 17-1/2 15-7/8 16 080-16 17-1/2 15-7/8 16 080-20 21 19-3/8 19-1/2 100-16 21 19-3/8 19-1/2 100-20 21 19-3/8 19-1/2 120-20 24-1/2 22-7/...
Page 9 - Assembled; LENGTH OF STRAIGHT
9 58MXB DOWNFLOW SUBBASE — DIMENSIONS (In.) * The plenum should be constructed 1/4 in. smaller in width and depth than the plenum dimensions shown above. FURNACE CASING WIDTH FURNACE IN DOWNFLOW APPLICATION PLENUM OPENING* FLOOR OPENING HOLE NO. FOR WIDTH ADJUSTMENT A B C D 17-1/2 Furnace with or wi...
Page 10 - CONDENSATE TRAP; MEDIA FILTER CABINET
10 58MXB CONDENSATE TRAP 1 ⁄ 2 OD INDUCER HOUSINGDRAIN CONNECTION 1 ⁄ 4 OD COLLECTOR BOX TOTRAP RELIEF PORT 5 ⁄ 8 OD COLLECTOR BOXDRAIN CONNECTION 1 ⁄ 2 -IN. PVC OR CPVC SCREW HOLE FORUPFLOW OR DOWN-FLOW APPLICATIONS(OPTIONAL) 1 4 2 7 8 1 8 7 SLOT FOR SCREW HORIZONTAL APPLICATION (OPTIONAL) WIRE TIE...
Page 11 - Clearance to combustibles; MINIMUM INCHES CLEARANCE TO COMBUSTIBLE CONSTRUCTION; INSTALLATION
11 58MXB Clearance to combustibles This forced air furnace is equipped for use with natural gas at altitudes 0 - 10,000 ft (0 - 3,050m), except 140 size Furnaces are only approved for altitudes 0 - 7,000 ft. (0 - 2,135m).An accessory kit, supplied by the manufacturer, shall be used to convert to pro...
Page 12 - Performance data; EFFICIENCY
12 58MXB Performance data EFFICIENCY UNIT SIZE 040-08 040-12 060-08 060-12 060-16 080-12 080-16 080-20 100-16 100-20 120-20 140-20 CAPACITY* Direct Vent (2-Pipe) Upflow 38,000 38,000 56,000 56,000 56,000 75,000 75,000 75,000 94,000 94,000 113,000 129,000 (Shaded capacities are Downflow 38,000 38,000...
Page 17 - IN WINTER DESIGN TEMPERATURE AMBIENT
17 58MXB MAXIMUM ALLOWABLE EXPOSED VENT PIPE LENGTH (FT) WITH AND WITHOUT INSULATION IN WINTER DESIGN TEMPERATURE AMBIENT * * Pipe length (ft) specified for maximum vent pipe lengths located in unconditioned spaces. Vent pipes located in unconditioned space cannot exceed the total allowable pipe len...
Page 19 - Typical installations; Basement — Upflow Application
19 58MXB Typical installations Basement — Upflow Application COMBU S TION AIR PIPE (DIRECT VENT/2-PIPE APPLICATION) A/C COIL OUTDOOR UNIT VENT PIPE HUMIDIFIER GA S -FIRED WATER HEATER ELECTRONICAIR CLEANER AIRFLOW FRONT OFFURNACE COMBU S TION AIR INLET(NON-DIRECT1-PIPE APPLICATION) A05064 ELECTRONIC...
Page 22 - Guide specifications; Quality Assurance
Copyright 2006 Carrier Corp. • 7310 W. Morris St. • Indianapolis, IN 46231 Printed in U.S.A. edition date: 01/06 Manufacturer reserves the right to change, at any time, specifications or designs without notice and obligations Catalog No: 58MXB-1PD Rev. A Replaces: 58MXB-1PD Guide specifications Comf...