Carrier 58MCB Installation, Start-Up, And Operating Instructions Manual
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Carrier 58MCB Installation, Start-Up, And Operating Instructions Manual

4-way multipoise fixed-capacity condensing gas furnace for sizes 040-140, series 100
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Installation, Start-Up, and Operating Instructions
NOTE: Read the entire instruction manual before starting the
installation.
NOTE: This furnace can be installed as a
or (1-pipe) non-direct vent
This symbol → indicates a change since the last issue.
Index
DIMENSIONAL DRAWING........................................................2
SAFETY CONSIDERATIONS .....................................................3
Clearances to Combustibles......................................................4
CODES AND STANDARDS........................................................5
INTRODUCTION ..........................................................................6
APPLICATIONS............................................................................7
General ......................................................................................7
Upflow Applications.................................................................7
Downflow Applications ............................................................9
LOCATION..................................................................................14
General ....................................................................................14
Hazardous Locations...............................................................15
Furnace Location and Application .........................................15
AIR FOR COMBUSTION AND VENTILATION ....................16
INSTALLATION .........................................................................19
Leveling Legs (If Desired) .....................................................19
Installation In Horizontal Applications ..................................19
Air Ducts.................................................................................21
General...............................................................................21
Ductwork Acoustical Treatment .......................................22
Supply Air Connections ....................................................22
Return Air Connections.....................................................22
Filter Arrangement..................................................................22
Bottom Closure Panel.............................................................23
Gas Piping...............................................................................23
Electrical Connections ............................................................24
115-v Wiring......................................................................24
24-v Wiring........................................................................26
Accessories ........................................................................26
Vent Systems .....................................................................26
Combustion-Air and Vent Pipe Systems ...............................26
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Book 1 4
PC 101
Tab 6a 8a
For Sizes 040-140, Series 100
A93040
(2-pipe) direct vent
condensing gas furnace.
Page
Printed in U.S.A.
Catalog No. 58MCB-1SI
4-Way Multipoise Fixed-Capacity
Condensing Gas Furnace
As an ENERGY STAR®
Partner, Carrier Corpora-
tion has determined that
this product meets the EN-
ERGY STAR® guidelines
for energy efficiency.
HORIZONTAL
LEFT
AIRFLOW
Fig. 1-Multipoise Orientations
Condensate Drain .........................................................................41
General ....................................................................................41
Application ..............................................................................41
Condensate Drain Protection ..................................................41
SAFETY CHECK...................................................................42
General ....................................................................................42
Prime Condensate Trap With Water ......................................42
Purge Gas Lines......................................................................42
Sequence of Operation............................................................42
Heating Mode ....................................................................43
Cooling Mode ....................................................................43
Continuous Blower Mode .................................................43
Heat Pump Mode...............................................................43
Component Test.................................................................43
Adjustments.............................................................................44
Set Gas Input Rate ............................................................44
Set Temperature Rise ........................................................51
Adjust Blower Off Delay (Heat Mode)............................52
Set Thermostat Heat Anticipator ......................................52
Check Safety Controls ............................................................52
Check Primary Limit Control ...........................................52
Check Pressure Switch ......................................................52
CHECKLIST...........................................................................53
Pg 1
58MCB
ama
CERTIFIED
ISO 9001:2000
REGISTERED
AIRFLOW
HORIZONTAL
RIGHT
AIRFLOW
AIRFLOW
A93041
8-05
Replaces: 58MCA-16SI
®

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  • Page 1: Table Of Contents

    CHECKLIST................53 Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations. Book 1 4 PC 101 Printed in U.S.A. Catalog No. 58MCB-1SI Pg 1 8-05 Replaces: 58MCA-16SI Tab 6a 8a...

  • Page 3: Safety Considerations

    SAFETY CONSIDERATIONS FIRE, EXPLOSION, ELECTRICAL SHOCK AND CARBON MONOXIDE POISONING HAZARD FURNACE RELIABILITY HAZARD Failure to follow this warning could result in electrical shock, Improper installation or misapplication of furnace may re- fire, personal injury, or death. quire excessive servicing or cause premature component Improper installation, adjustment, alteration, service, mainte- failure.

  • Page 4: Clearances To Combustibles

    → plugging of furnace components. The 58MCB 040 through 120 size units are CSA (formerly AGA • The temperature of the return air to the furnace is maintained and CGA) design-certified for use in manufactured (mobile) between 55°F (13°C) and 80°F (27°C), with no evening setback...

  • Page 5: Codes And Standards

    In the United States and Canada, follow all codes and standards for the following: Step 1—Safety • US: National Fuel Gas Code (NFGC) NFPA 54-2002/ANSI Z223.1-2002 and the Installation Standards, Warm Air Heating and Air Conditioning Systems ANSI/NFPA 90B → •...

  • Page 6: Electrostatic Discharge (Esd) Precautions

    INTRODUCTION TO GROUND. → The model 58MCB 4-way multipoise, Gas-Fired, Category IV, 2. Firmly touch a clean, unpainted, metal surface of the furnace condensing furnace is available in model sizes ranging from input chassis which is close to the control. Tools held in a person’s capacity of 40,000 to 138,000 Btuh as a direct vent (2-pipe) hand during grounding will be satisfactorily discharged.

  • Page 7: Applications

    PLUG PLUG COLLECTOR BOX COLLECTOR BOX DRAIN TUBE (BLUE DRAIN TUBE (BLUE & WHITE STRIPED) & WHITE STRIPED) COLLECTOR BOX COLLECTOR BOX TUBE (PINK) TUBE (PINK) COLLECTOR BOX COLLECTOR BOX TUBE (GREEN) TUBE (GREEN) COLLECTOR BOX DRAIN TUBE (BLUE) INDUCER HOUSING (MOLDED) DRAIN TUBE (BEHIND COLLECTOR BOX...
  • Page 8 COLLECTOR BOX DRAIN TUBE (BLUE) PLUG PLUG COLLECTOR BOX TUBE (GREEN) COLLECTOR BOX COLLECTOR BOX DRAIN TUBE (BLUE) EXTENSION TUBE COLLECTOR BOX COLLECTOR BOX TUBE (PINK) TUBE (PINK) COLLECTOR BOX TUBE (GREEN) COLLECTOR BOX COLLECTOR BOX DRAIN TUBE (BLUE EXTENSION TUBE &...

  • Page 9: Downflow Applications

    c. Determine appropriate length, cut, and connect tube. d. Clamp tube to prevent any condensate leakage. → CARBON MONOXIDE POISONING HAZARD 3. Relief Port Tube Failure to follow this warning could result in personal injury or death. a. Connect relief port tube (green label) to condensate trap. Casing hole filler cap must be installed in blower shelf hole b.

  • Page 10: Horizontal Left (Supply-Air Discharge) Applications

    PLUG COLLECTOR BOX AUXILIARY "J" BOX DRAIN TUBE (BLUE AND WHITE STRIPED) CONDENSATE COLLECTOR BOX TRAP TUBE (GREEN) INDUCER HOUSING COLLECTOR DRAIN TUBE (VIOLET) BOX EXTENSION COLLECTOR BOX DRAIN TUBE DRAIN TUBE (BLUE) COLLECTOR BOX EXTENSION TUBE DRAIN TUBE COUPLING COLLECTOR BOX TUBE (PINK) RELOCATE TUBE BETWEEN BLOWER SHELF AND INDUCER HOUSING FOR 040, 060, AND 080 HEATING INPUT FURNACES...

  • Page 11: Horizontal Right (Supply-Air Discharge) Applications

    To relocate condensate trap from the blower shelf to desired in UPFLOW applications. This tube MUST be disconnected, location, perform the following: extended, rerouted, and then reconnected to the pressure switch in HORIZONTAL LEFT applications. 1. Remove 3 tubes connected to condensate trap. NOTE: See Fig.
  • Page 12 COMBUSTION – AIR INTAKE VENT A 12-IN. MIN HORIZONTAL PIPE SECTION IS RECOMMENDED WITH SHORT (5 TO 8 FT) VENT SYSTEMS TO REDUCE EXCESSIVE CONDENSATE DROPLETS FROM ″ EXITING THE VENT PIPE. WORK AREA ″ ⁄ MANUAL SHUTOFF ACCESS OPENING GAS VALVE FOR TRAP DRAIN...
  • Page 13 COLLECTOR BOX DRAIN TUBE (BLUE) COLLECTOR BOX TUBE (GREEN) COLLECTOR BOX EXTENSION TUBE PLUG COLLECTOR BOX TUBE (PINK) AUXILARY “J” BOX RELOCATED HERE CONDENSATE TRAP COLLECTOR BOX DRAIN TUBE (BLUE AND WHITE STRIPED) INDUCER HOUSING DRAIN TUBE (VIOLET) COLLECTOR BOX EXTENSION TUBE A00214 Fig.

  • Page 14: Location

    FRONT LEVEL (0″) FRONT FRONT ⁄ ″ ⁄ ″ MAX ⁄ ″ MAX UPFLOW OR DOWNFLOW HORIZONTAL BACK A02146 Fig. 14—Furnace Location for Proper Condensate Drainage FRONT PRESSURE SWITCH TUBING A93043 One collector box pressure tube (pink label) is factory connected to Fig.

  • Page 15: Furnace Location Relative To Cooling Equipment

    When a furnace is installed so that supply ducts carry air circulated by the furnace to areas outside the space containing the furnace, the return air shall also be handled by duct(s) sealed to furnace casing and terminating outside the space containing the furnace to ensure there will not be a negative pressure condition within equipment room or space.

  • Page 16: Air For Combustion And Ventilation

    → Table 1—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 (1 SQ. IN./2,000 BTUH) (1,100 SQ. MM/KW) (1 SQ. IN./3,000 BTUH) (734 SQ. MM/KW) (1 SQ.
  • Page 17 • De-icing salts or chemicals b. Not less than the sum of the areas of all vent connectors in the space. • Carbon tetrachloride • Halogen type refrigerants The opening shall commence within 12″ (300 mm) of the • Cleaning solvents (such as perchloroethylene) ceiling.
  • Page 18 1 SQ IN. PER 4000 DUCTS BTUH* OUTDOORS CIRCULATING AIR VENT THROUGH ROOF DUCTS 12″ MAX 12″ 1 SQ IN. VENT PER 2000 THROUGH 12" MAX BTUH* ROOF 1 SQ IN. 1 SQ IN. 4000 PER 1000 BTUH* BTUH* IN DOOR OR WALL DUCTS UNCONFINED...

  • Page 19: Installation

    Combination of Indoor and Outdoor Air Step 2—Installation in Upflow or Downflow Applications 1. Indoor openings shall compy with the Indoor Combustion Air Method below and, NOTE: For downflow applications, this furnace is approved for use on combustible flooring when special base (available from 2.
  • Page 20 PLENUM OPENING FLOOR OPENING A96283 Fig. 21—Floor and Plenum Opening Dimensions FURNACE FURNACE (OR COIL CASING WHEN USED) CD5 OR CK5 COIL ASSEMBLY OR KCAKC COIL BOX COMBUSTIBLE COMBUSTIBLE FLOORING FLOORING DOWNFLOW SUBBASE SHEET METAL PLENUM SHEET METAL PLENUM FLOOR FLOOR OPENING OPENING...

  • Page 21: Air Ducts

    Step 4—AIR DUCTS PERFORATED DISCHARGE DUCT GENERAL REQUIREMENTS FLANGE The duct system should be designed and sized according to accepted national standards such as those published by: Air Conditioning Contractors Association (ACCA), Sheet Metal and Air Conditioning Contractors National Association (SMACNA) or American Society of Heating, Refrigerating and Air Conditioning Engineers (ASHRAE) or consult The Air Systems Design Guide- lines reference tables available from your local distributor.

  • Page 22: Ductwork Acoustical Treatment

    → Table 4—Filter Information Flexible connections should be used between ductwork and furnace to prevent transmission of vibration. Ductwork passing FURNACE FILTER SIZE (IN.) FILTER TYPE through unconditioned space should be insulated to enhance CASING FRAMED Side Return†* Bottom Return* system performance.

  • Page 23: Bottom Closure Panel

    21-IN. WIDE ⁄ -IN. WIDE CASINGS ONLY: CASINGS ONLY: SUPPORT RODS (3) INSTALL FIELD-SUPPLIED EXTEND 1/4" ON EACH FILTER FILLER STRIP SIDE OF FILTER AND UNDER FILTER. REST ON CASING FLANGE 3 ″ ″ 1 ″ A00217 Fig. 26—Filter Installed for Side Inlet UNIT MAY NOT OPERATE Failure to follow this caution may result in intermittent unit operation.

  • Page 24: Electrical Connections

    Table 5—Maximum Capacity of Pipe* If local codes allow the use of a flexible gas appliance connector, always use a new listed connector. Do not use a connector which NOMINAL has previously served another gas appliance. LENGTH OF PIPE (FT) IRON INTERNAL PIPE...
  • Page 25 Table 6—Electrical Data OPERATING VOLTS— MAX WIRE MAX FUSE UNIT UNIT VOLTAGE RANGE HERTZ— UNIT WIRE LENGTH OR CKT BKR SIZE AMPACITY† PHASE AMPS SIZE (FT)‡ AMPS** Max* Min* 040-08 115—60—1 040-12 115—60—1 10.0 060-08 115—60—1 060-12 115—60—1 060-16 115—60—1 12.8 080-12 115—60—1...

  • Page 26: 24-V Wiring

    INSTALLED → LOCATION The 58MCB can be vented as either a direct vent (all sizes) or as a non-direct vent (except for 140 size) application. A direct vent system shall be installed in accordance with the direct vent (2-pipe) procedures in the following Combustion Air and Vent Pipe Systems section.
  • Page 27 PRINTED CIRCIUT BOARD PRINTED CIRCIUT BOARD...
  • Page 28 → NON-DIRECT VENT/1-PIPE SYSTEM (SIZES 040 THROUGH 120 ONLY) FIRE AND EXPLOSION HAZARD In a non-direct vent (1-pipe) system, all air for combustion is taken Failure to follow this warning could result in fire, property from the area adjacent to furnace, and all flue products are damage, personal injury, or death.
  • Page 29 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 30 A05009 Table 8—Direct Vent Termination Clearance...
  • Page 31 A05013 → Table 9—Other than Direct Vent Termination Clearance...
  • Page 32 → Table 10—Maximum Allowable Exposed Vent Pipe Length (ft) With and Without Insulation in Winter Design Temperature Ambient* WINTER DESIGN MAX PIPE FURNACE WITHOUT WITH 3/8–IN. OR TEMPERATURE DIAMETER SIZE INSULATION THICKER INSULATION† (°F) (IN.) * Pipe length (ft) specified for maximum pipe lengths located in unconditioned spaces. Pipes located in unconditioned space cannot exceed total allowable pipe length as specified in Table 11.

  • Page 33: Upflow

    FIELD-SUPPLIED NOTE: Select 1 vent pipe connection and NOTE: Select 1 vent pipe connection and 1 combustion-air pipe connection. 1 combustion-air pipe connection. 2-IN. DIAMETER FIELD-SUPPLIED PVC 90° ELBOW 2-IN. DIAMETER PVC PIPE FLOW COMBUSTION- COMBUSTION- VENT VENT VENT VENT COMBUSTION- COMBUSTION- FLOW...
  • Page 34 → Table 11—Maximum Allowable Pipe Length (ft) NON-DIRECT VENT DIRECT VENT (2-PIPE) ONLY NUMBER OF 90° ELBOWS (1-PIPE) ONLY UNIT SIZE ALTITUDE (FT) TERMINATION PIPE DIA (BTUH) PIPE DIA TYPE (IN.)* (IN.)* 2 Pipe or 2-in 40,000 1-1/2 1-1/2 Concentric 1-1/2 1-1/2 2 Pipe or 2-in...
  • Page 35 → Table 11—Maximum Allowable Pipe Length (ft) (Continued) NON-DIRECT VENT DIRECT VENT (2-PIPE) ONLY NUMBER OF 90° ELBOWS (1-PIPE) ONLY UNIT SIZE ALTITUDE (FT) TERMINATION PIPE DIA (BTUH) PIPE DIA TYPE (IN.)* (IN.)* 1-1/2 1-1/2 2 Pipe or 2-in 40,000 Concentric 1-1/2 1-1/2...
  • Page 36 → Table 11—Maximum Allowable Pipe Length (ft) (Continued) NON-DIRECT VENT DIRECT VENT (2-PIPE) ONLY NUMBER OF 90° ELBOWS (1-PIPE) ONLY UNIT SIZE ALTITUDE (FT) TERMINATION PIPE DIA (BTUH) PIPE DIA TYPE (IN.)* (IN.)* 1-1/2 1-1/2 2 Pipe or 2-in 40,000 Concentric 1-1/2 1-1/2...
  • Page 37 COMBUSTION – AIR INTAKE HOUSING 3/8 ID TUBE BURNER COMBUSTION-AIR FURNACE PIPE (DIRECT VENT/2 PIPE) 3/16 DRILL COMBUSTION-AIR NOT IN PIPE (NON-DIRECT HORIZONTAL VENT/1-PIPE) SECTION 4″MIN TRAP PIPE DIAMETER TRANSITION IN VERTICAL SECTION TO OPEN DRAIN A93034 Fig. 37—Combustion-Air and Vent Pipe Diameter A05093 →...
  • Page 38 COMBUSTION AIR PIPE (DIRECT VENT /2-PIPE) 12 ″ MIN COMBUSTION AIR COMBUSTION AIR 12 ″ MIN PIPE (NON-DIRECT PIPE (NON-DIRECT VENT/1-PIPE) VENT/1-PIPE) VENT PIPE VENT PIPE COMBUSTION AIR PIPE (DIRECT VENT/2-PIPE) HORIZONTAL TO ROOF HORIZONTAL TO SIDEWALL COMBUSTION AIR PIPE (DIRECT VENT /2-PIPE) COMBUSTION AIR COMBUSTION AIR...
  • Page 39 Roof Termination (Preferred) At least 36 in. Concentric Vent and Combustion Air Roof Termination (preferred) Vertical separation between combustion At least air and vent 36 in. 8 3/4 in. for 3 in. kit Maintain 12 min. clearance above 18 in. maximum 6 3/4 in.
  • Page 40 → Table 12—Vent Termination Kit for Direct Vent/2-Pipe System DIAM. OF COMBUSTION AIR AND VENT DIRECT VENT (2-PIPE) TERMINATION KIT TERMINATION SYSTEM PIPES (IN INCHES) 2-in. Concentric Vent Kit Single Penetration of Wall or Roof 1, 1-1/2, 2, or 2-1/2 3-in.

  • Page 41: Condensate Drain

    Multiventing and Vent Terminations supplied trap prior to the furnace drain connection. All drain When 2 or more 58MCB Furnaces are vented near each other, each connections (furnace, A/C, or humidifier) must be terminated into furnace must be individually vented. NEVER common vent or an open or vented drain as close to the respective equipment as breach vent 58MCB furnaces.

  • Page 42: Start-Up, Adjustments And Safety Check

    Step 2—Prime Condensate Trap with Water 3. Use wire ties to secure heat tape in place. Wire ties can be positioned in notches of condensate trap sides. 4. Wrap field drain pipe with remaining heat tape, approximately 1 wrap per ft. UNIT MAY NOT OPERATE Failure to follow this caution may result in intermittent unit 5.

  • Page 43: Heating Mode

    HEATING MODE When the thermostat is satisfied, the R-to-G-and-Y circuits are opened. The outdoor unit will stop, and the furnace blower motor (See Fig. 30 for thermostat connections.) BLWM will continue operating on the COOL speed for an The wall thermostat ″calls for heat″, closing the R to W additional 90 seconds.

  • Page 44: Adjustments

    To Begin Component Self-Test: ELECTRICAL SHOCK HAZARD Failure to follow this warning could result in electrical shock, personal injury, or death. Blower access panel door switch opens 115-v power to control center. No component operation can occur. Caution must be taken when manually closing this switch for service purposes.
  • Page 45 58MCB furnaces with heating sizes of 040 through 120. f. Replace burner enclosure front and verify adjusted gas Table 14 can only be used for model 58MCB furnaces with input rate using method outlined in item 3. a heating size of 140.
  • Page 46 Table 13—Model 58MCB Orifice Size and Manifold Pressure for Correct Input For Use with 040 through 120 Size Furnaces Only (Tabulated Data Based on 20,000 Btuh per Burner, Derated 2% for Each 1000 Ft Above Sea Level) * SPECIFIC GRAVITY OF NATURAL GAS...
  • Page 47 Table 13—Model 58MCB Orifice Size and Manifold Pressure for Correct Input (Continued) For Use with 040 through 120 Size Furnaces Only (Tabulated Data Based on 20,000 Btuh per Burner, Derated 2% for Each 1000 Ft Above Sea Level) * SPECIFIC GRAVITY OF NATURAL GAS...
  • Page 48 Table 13—Model 58MCB Orifice Size and Manifold Pressure for Correct Input (Continued) For Use with 040 through 120 Size Furnaces Only (Tabulated Data Based on 20,000 Btuh per Burner, Derated 2% for Each 1000 Ft Above Sea Level) * SPECIFIC GRAVITY OF NATURAL GAS...
  • Page 49 Table 14—Model 58MCB Orifice Size and Manifold Pressure for Correct Input For Use with 140 Size Furnaces Only (Tabulated Data Based on 23,000 Btuh per Burner, Derated 2% for Each 1000 Ft Above Sea Level) * SPECIFIC GRAVITY OF NATURAL GAS...
  • Page 50 Table 14—Model 58MCB Orifice Size and Manifold Pressure for Correct Input (Continued) For Use with 140 Size Furnaces Only (Tabulated Data Based on 23,000 Btuh per Burner, Derated 2% for Each 1000 Ft Above Sea Level) * SPECIFIC GRAVITY OF NATURAL GAS...

  • Page 51: Set Temperature Rise

    EXAMPLE: (0—2000 ft altitude) ON AND Furnace input from rating plate is 100,000 Btuh. OFF SWITCH Btu heating input = Btu/cu ft X cu ft/hr Heating value of gas = 975 Btu/cu ft PRESSURE Time for 1 revolution of 2-cu ft dial = 70 sec REGULATOR ADJUSTMENT Gas rate = 103 cu ft/hr (from Table 16)

  • Page 52: Adjust Blower Off Delay (Heat Mode)

    Table 17—Speed Selector BURNER FLAME BURNER FACTORY- COLOR SPEED SHIPPED CONNECTION Black High Cool Yellow (When Present) Medium High Spare Blue Medium Low Heat Spare White Common ADJUST BLOWER OFF DELAY (HEAT MODE) The blower off delay has 4 adjustable settings from 90 sec to 180 sec.

  • Page 53: Checklist

    should NOT glow, and control status code LED flashes a CHECKLIST Status Code 31. If hot surface igniter glows when inducer 1. Put away tools and instruments. Clean up debris. motor is disconnected, shut furnace down immediately. De- 2. Verify flame rollout manual reset switch has continuity. termine reason pressure switch did not function properly and 3.
  • Page 54 CHECKLIST—DIRECT VENT (2-PIPE) INSTALLATION LOAD CALCULATION Condensate Drain ____________ Heating Load (Btuh) ________ Unit Level or Pitched Forward ____________ Cooling Load (Btuh) Internal Tubing Connections Free of Kinks ________ and Traps ____________ Furnace Model Selection External Drain Connection Leak Tight and ________ Sloped COMBUSTION AIR AND VENT PIPING...
  • Page 55 CHECKLIST—NON DIRECT VENT (1-PIPE) INSTALLATION LOAD CALCULATION Condensate Drain ____________ Heating Load (Btuh) ________ Unit Level or Pitched Forward ____________ Cooling Load (Btuh) Internal Tubing Connections Free of Kinks ________ and Traps ____________ Furnace Model Selection External Drain Connection Leak Tight and ________ Sloped VENT PIPING...

  • Page 56: Catalog No. 58Mcb-1Si Pg

    Copyright 2005 CARRIER Corp. • 7310 W. Morris St. • Indianapolis, IN 46231 58mcb1si Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations. Book 1 4 PC 101 Printed in U.S.A.

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