Table of Contents
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Installation, Start-Up, and Operating Instructions
NOTE: Read the entire instruction manual before starting the
installation.
This symbol → indicates a change since the last issue.
TABLE OF CONTENTS
SAFETY CONSIDERATIONS .....................................................2
INTRODUCTION ..........................................................................3
CODES AND STANDARDS........................................................3
APPLICATIONS............................................................................6
General ......................................................................................6
Upflow Applications.................................................................6
Orientation) ..........................................................................6
Orientation) ..........................................................................6
Orientation) ..........................................................................6
Orientation) ..........................................................................6
Condensate Trap Field Drain Attachment ..........................7
Pressure Switch Tubing.......................................................7
(Unused) Drain Connections...............................................7
Condensate Trap Freeze Protection ....................................7
Downflow Applications ............................................................8
Condensate Trap Location ..................................................8
Condensate Trap Tubing .....................................................8
Condensate Trap Field Drain Attachment ..........................9
Pressure Switch Tubing.......................................................9
Condensate Trap Freeze Protection ..................................10
Applications ............................................................................10
Condensate Trap Location ................................................10
Condensate Trap Tubing ...................................................10
Condensate Trap Field Drain Attachments ......................11
Pressure Switch Tubing.....................................................11
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
Catalog No. 535-80136
Tab 6a 8a
Deluxe 4-Way Multipoise Fixed-Capacity
Direct Vent Condensing Gas Furnace
Sizes 040-140, Series 170
A93040
Printed in U.S.A.
Condensate Trap Freeze Protection ..................................11
Construct a Working Platform ..........................................11
Applications ............................................................................11
Condensate Trap Location ................................................11
Condensate Trap Tubing ...................................................11
Condensate Trap Field Drain Attachment ........................13
Pressure Switch Tubing.....................................................13
Condensate Trap Freeze Protection ..................................13
Construct a Working Platform ..........................................13
LOCATION..................................................................................13
General ....................................................................................13
Equipment ...............................................................................14
Hazardous Locations...............................................................14
INSTALLATION .........................................................................15
Leveling Legs (If Desired) .....................................................15
Applications ............................................................................15
Installation in Horizontal Applications ..................................16
Air Ducts.................................................................................17
General Requirements .......................................................17
Ductwork Acoustical Treatment .......................................17
Supply Air Connections ....................................................17
Return Air Connections.....................................................17
Filter Arrangement..................................................................18
Bottom Closure Panel.............................................................19
Gas Piping...............................................................................19
Electrical Connections ............................................................20
115-v Wiring.....................................................................20
24-v Wiring.......................................................................22
Accessories ........................................................................22
Direct Venting.........................................................................22
Vent Systems .....................................................................22
Combustion-Air and Vent Piping .....................................22
Vent Extension Pipe ..........................................................27
Termination Kit Installation ..............................................29
Multiventing and Vent Terminations................................33
Condensate Drain....................................................................34
General...............................................................................34
Application.........................................................................34
Condensation Drain Protection .........................................35
START-UP, ADJUSTMENTS AND SAFETY CHECK ...........35
General ....................................................................................35
Prime Condensate Trap With Water ......................................36
Purge Gas Lines......................................................................37
Sequence of Operation............................................................37
Heating Mode ....................................................................37
Cooling Mode ....................................................................40
Thermidistat Mode ............................................................40
Continuous Blower Mode .................................................41
Form 58MXA-17SI
Pg 1
58MXA
9-04
Replaces: 58MXA-16SI
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Table of Contents
Related Manuals for Carrier 58MXA 170 Series
Summary of Contents for Carrier 58MXA 170 Series
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Page 1: Table Of Contents
58MXA Deluxe 4–Way Multipoise Fixed-Capacity Direct Vent Condensing Gas Furnace Visit www.carrier.com Installation, Start-Up, and Operating Instructions Sizes 040-140, Series 170 Condensate Trap Freeze Protection ........11 Construct a Working Platform ..........11 Horizontal Right (Supply-Air Discharge) Applications ................11 Condensate Trap Location ..........11 Condensate Trap Tubing ...........11... -
Page 2: Safety Considerations
Heat Pump Mode...............41 Component Test..............41 FIRE, EXPLOSION, ELECTRICAL SHOCK AND Adjustments................42 CARBON MONOXIDE POISONING HAZARD Set Gas Input Rate ............42 Failure to follow this warning could result in electrical shock, Set Temperature Rise ............48 fire, personal injury, or death. Adjust Blower Off Delay (Heat Mode)......49 Improper installation, adjustment, alteration, service, mainte- Set Thermostat Heat Anticipator ........49 nance, or use can cause carbon monoxide poisoning, explo-... -
Page 3: Introduction
CODES AND STANDARDS Follow all national and local codes and standards in addition to These furnaces SHALL NOT be installed directly on carpeting, these instructions. The installation must comply with regulations tile, or any other combustible material other than wood flooring. In of the serving gas supplier, local building, heating, plumbing, and downflow installations, factory accessory floor base MUST be other codes. -
Page 5: Electrostatic Discharge (Esd) Precautions
INSTALLATION 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 propane gas use or may be required for some natural gas applications. This furnace is for indoor installation in a building constructed on site. -
Page 6: Applications
follows: collector box drain tube (blue label), inducer housing drain tube (violet label or molded), relief port tube (green label), and pressure switch tube (pink label). 2. Condensate Trap Drain Tube The condensate trap drain connection must be extended for field attachment by doing the following: a. -
Page 7: Condensate Trap Field Drain Attachment
FURNACE BLOWER SHELF CONDENSATE DOOR TRAP FURNACE CONDENSATE DOOR FURNACE TRAP (INSIDE) FURNACE SIDE SIDE FIELD FIELD DRAIN DRAIN CONN CONN ALTERNATE DRAIN TUBE LOCATION SIDE VIEW FRONT VIEW END VIEW FRONT VIEW CONDENSATE TRAP DRAIN TUBE LOCATION HORIZONTAL DOWNFLOW AND ALTERNATE UPFLOW APPLICATIONS APPLICATIONS EXTERNAL UPFLOW APPLICATIONS... -
Page 8: Downflow 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 INDUCER HOUSING DRAIN TUBE (BLUE) (MOLDED) DRAIN TUBE (BEHIND COLLECTOR BOX... -
Page 9: Condensate Trap Field Drain Attachment
COLLECTOR BOX DRAIN TUBE (BLUE) PLUG PLUG COLLECTOR BOX TUBE (GREEN) COLLECTOR BOX DRAIN TUBE (BLUE) COLLECTOR BOX EXTENSION TUBE COLLECTOR BOX TUBE (PINK) COLLECTOR BOX TUBE (PINK) COLLECTOR BOX TUBE (GREEN) COLLECTOR BOX COLLECTOR BOX DRAIN TUBE (BLUE EXTENSION TUBE &... -
Page 10: Condensate Trap Freeze Protection
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: Condensate Trap Field Drain Attachments
Step 5—Horizontal Right (Supply-Air Discharge) b. Use inducer housing drain extension tube (violet label and Applications factory-supplied in loose parts bag) to connect LOWER inducer housing drain connection to the condensate trap. A horizontal right furnace application is where furnace blower is c. - 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...
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Page 13: Condensate Trap Field Drain Attachment
b. Remove and discard UPPER (molded) inducer housing drain tube which was previously connected to condensate UNIT MAY NOT OPERATE trap. Failure to follow this caution may result in intermittent unit c. Install cap and clamp on UPPER inducer housing drain operation. -
Page 14: Furnace Location Relative To Cooling Equipment
FRONT BACK FRONT 18-IN. MINIMUM TO BURNERS A93043 A93044 Fig. 16—Installation in a Garage Fig. 14—Prohibit Installation on Back → UNIT DAMAGE HAZARD FIRE HAZARD Failure to follow this caution may result in minor property or Failure to follow this warning could result in fire of designed unit damage. -
Page 15: Installation
1. Determine application being installed from Table 1. 2. Construct hole in floor per dimensions specified in Table 1 → FIRE, EXPLOSION, INJURY OR DEATH HAZARD and Fig. 18. Improper location or inadequate protection could result in fire 3. Construct plenum to dimensions specified in Table 1 and Fig. or explosion. -
Page 16: Installation In Horizontal Applications
Table 1—Opening Dimensions (in.) FURNACE PLENUM OPENING FLOOR OPENING CASING APPLICATION WIDTH Upflow Applications 24–1/8 16–5/8 24–3/4 Downflow Applications on Non-Combustible Flooring 15-7/8 16-1/2 19-5/8 Downflow Applications on Combustible Flooring Using KGASB Subbase 15-1/8 16-3/4 20-3/8 Furnace with or without CD5 or CK5 Coil Assembly or 17-1/2 KCAKC Coil Box Downflow Applications on Combustible Flooring NOT Using... -
Page 17: Air Ducts
angle iron supports. (See Fig. 22.) Cut hanger bolts (4 each 3/8-in. if constructed and installed in accordance with the latest edition of all-thread rod) to desired length. Use 1 X 3/8-in. flat washers, SMACNA construction 18 standard on fibrous glass ducts. Both 3/8-in. -
Page 18: Filter Arrangement
⁄ -IN. ROD ANGLE ″ ⁄ IRON OR EQUIVALENT ALTERNATE SUPPORT LOCATION 4-IN. MIN 8-IN. MAX DRAIN (A) ROD LOCATION USING DIMPLE LOCATORS -IN. MAX (SEE DIMENSIONAL -IN. HEX NUT ALTERNATE SUPPORT & WASHER (4) DWG FOR LOCATION FROM BACK REQD PER ROD LOCATIONS) NOTES:... -
Page 19: Bottom Closure Panel
⁄ -IN. WIDE Table 2—Filter Information CASINGS ONLY: INSTALL FIELD-SUPPLIED AIR FILTER LOCATED IN BLOWER COMPARTMENT FILTER FILLER STRIP UNDER FILTER. FURNACE FILTER SIZE (IN.) FILTER CASING TYPE Side Return Bottom Return WIDTH (IN.) 3 ″ 17–1/2 (1) 16 X 25 X 1† (1) 16 X 25 X 1†... -
Page 20: Electrical Connections
Table 3—Maximum Capacity of Pipe* SUPPLY NOMINAL LENGTH OF PIPE (FT) MANUAL IRON INTERNAL SHUTOFF PIPE DIAMETER VALVE SIZE (IN.) (REQUIRED) (IN.) SEDIMENT 0.622 TRAP 0.824 UNION 1.049 1-1/4 1.380 1400 1-1/2 1.610 2100 1460 1180 * Cubic ft of gas per hr for gas pressures of 0.5 psig (14–in. wc) or less and a pressure drop of 0.5–in wc (based on a 0.60 specific gravity gas). - Page 21 FIELD 24-V WIRING FIELD 115-, 208/230-, 460-V WIRING FACTORY 24-V WIRING FACTORY 115-V WIRING NOTE 2 THERMOSTAT FIVE WIRE FIELD-SUPPLIED TERMINALS DISCONNECT THREE-WIRE HEATING-ONLY 208/230- OR BLOWER DOOR SWITCH 460-V THREE PHASE 208/230-V SINGLE PHASE AUXILIARY 115-V FIELD- J-BOX SUPPLIED NOTE 1 DISCONNECT CONDENSING...
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Page 22: 24-V Wiring
→ ELECTRICAL SHOCK AND FIRE HAZARD CARBON MONOXIDE POISONING HAZARD Failure to follow this warning could result in serious injury, Failure to follow the steps outlined below for each appliance death, or property damage. connected to the venting system being placed into operation If manual disconnect switch is to be mounted on furnace, could result in carbon monoxide poisoning or death. - Page 23 PRINTED CIRCIUT BOARD PRINTED CIRCIUT BOARD...
- Page 24 TWINNING AND/OR COMPONENT TEST BLOWER OFF-DELAY TERMINAL 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 COOL...
- Page 25 FIRE AND EXPLOSION HAZARD Failure to follow this warning could result in fire, property FURNACE damage, personal injury, or death. Solvent cements are combustible. Keep away from heat, sparks, and open flame. Use only in well-ventilated areas. Avoid breathing in vapor or allowing contact with skin or eyes.
- Page 26 25--24--65--2 AREA WHERE TERMINAL IS NOT PERMITED VENT TERMINAL AIR SUPPL Y INLET U.S. Installation (2) Item Clearance Description Canadian Installation (1) Clearance above grade, veranda, porch, deck, balcony, or 12˝ (30cm) # 12˝ (30 cm) anticipated snow level Clearance to a window or door that may be opened 12˝...
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Page 27: Vent Extension Pipe
A plugged drain connection has been provided on this fitting for NOTE: Select 1 vent pipe connection and NOTE: Select 1 vent pipe connection and 1 combustion-air pipe connection. 1 combustion-air pipe connection. use when moisture is found in combustion-air intake pipe and combustion box. - Page 28 12 ″ MIN 12 ″ MIN VENT PIPE VENT PIPE COMBUSTION-AIR PIPE COMBUSTION-AIR PIPE HORIZONTAL TO ROOF HORIZONTAL TO SIDEWALL COMBUSTION-AIR PIPE VENT PIPE COMBUSTION-AIR PIPE 12 ″ MIN 12 ″ MIN VENT PIPE VERTICAL TO ROOF VERTICAL TO SIDEWALL NOTE: A 12 In.
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Page 29: Concentric Vent And Combustion-Air Termination Kit Installation
Extended Exposed Sidewall Pipes COMBUSTION – AIR INTAKE HOUSING Sidewall combustion-air and vent pipe terminations may be 3/8" ID TUBE BURNER extended beyond area shown in Fig. 39 or 40 in outside ambient by insulating pipes as indicated in Table 8. 1. - Page 30 Table 7—Maximum Allowable Pipe Length (ft) NUMBER OF 90° ELBOWS TERMINATION PIPE DIA ALTITUDE (FT) UNIT SIZE TYPE (IN.)* 040-08 2 Pipe or 2-in 1-1/2 040-12 Concentric 060-08 1-1/2 2 Pipe or 2-in 060-12 Concentric 060-16 1-1/2 080-12 2 Pipe or 2-in 080-16 Concentric 080-20...
- Page 31 Table 7—Maximum Allowable Pipe Length (ft) (Continued) NUMBER OF 90° ELBOWS TERMINATION PIPE DIA ALTITUDE (FT) UNIT SIZE TYPE (IN.)* 1-1/2 040-08 2 Pipe or 2-in 040-12 Concentric 060-08 1-1/2 2 Pipe or 2-in 060-12 Concentric 060-16 080-12 2 Pipe or 2-in 080-16 Concentric 2-1/2...
- Page 32 Table 7—Maximum Allowable Pipe Length (ft) (Continued) NUMBER OF 90° ELBOWS TERMINATION PIPE DIA ALTITUDE (FT) UNIT SIZE TYPE (IN.)* 1-1/2 040-08 2 Pipe or 2-in 040-12 Concentric 060-08 1-1/2 2 Pipe or 2-in 060-12 Concentric 060-16 080-12 2 Pipe or 2-in 080-16 8001 to 9000‡...
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Page 33: Multiventing And Vent Terminations
OVERHANG OR ROOF VENT 12″ MINIMUM VENT COMBUSTION 90° BRACKET MAINTAIN 12 IN. (18 IN. FOR CANADA) MINIMUM CLEARANCE 12 IN. SEPARATION ABOVE HIGHEST BETWEEN BOTTOM OF ANTICIPATED SNOW COMBUSTION AIR AND LEVEL. MAXIMUM OF BOTTOM OF VENT 24 IN. ABOVE ROOF. MAINTAIN 12 IN. -
Page 34: Condensate Drain
Table 8—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 7. -
Page 35: Condensation Drain Protection
A96128 Fig. 41—Rooftop Termination (Dimension “A” is Touching or 2-in. Maximum Separation) See Fig. 46 for example of possible field drain attachment using 1/2-in. CPVC or PVC tee for vent and A/C or humidifier drain connection. VENT VENT Outdoor draining of the furnace is permissible if allowed by local codes. -
Page 36: Prime Condensate Trap With Water
VENT OPEN STAND PIPE FOR A/C OR COMBUSTION AIR HUMIDIFIER DRAIN COMBUSTION AIR A96129 TO OPEN Fig. 44—Raised Sidewall Termination When Wall DRAIN Penetration is 12 in. or Less Above Snow or Grade (Dimension “A” is Touching or 2-in. Maximum Separation) A94054 Fig. -
Page 37: Purge Gas Lines
Step 3—Purge Gas Lines If not previously done, purge lines after all connections have been made and check for leaks. FIRE AND EXPLOSION HAZARD Failure to follow this warning could result in a fire, explosion, personal injury, or death. Never purge a gas line into a combustion chamber. Never test for gas leaks with an open flame. - Page 38 A00268 Fig. 50–Single-Stage Furnace with Single-Speed A00270 Air Conditioner Fig. 52–Single-Stage Furnace with Single-Speed Heat Pump (Dual Fuel) A00271 Fig. 53–Single-Stage Furnace with Two-Speed Heat Pump (Dual Fuel) A00269 Fig. 51–Single Stage Furnace with Two-Speed Air Conditioner...
- Page 39 HUMIDFIER HUMIDFIER (24VAC) (24VAC) A02103 A02102 Fig. 55–Dual Fuel Thermostat with Single-Stage Fig. 54–Dual Fuel Thermostat with Single-Stage Furnace and Two-Speed Heat Pump Furnace and Single-Speed Heat Pump HUMIDFIER (24VAC) A02161 Fig. 56–Two-Stage Thermostat with Single-Stage Furnace and Two-Speed Air Conditioner...
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Page 40: Cooling Mode
Notes For Figure 50-56 1. Heat pump MUST have a high pressure switch for dual fuel applications. 2. Refer to outdoor equipment Installation Instructions for additional information and setup procedure. 3. Select the “ZONE” position on the two-speed heat pump control. 4. -
Page 41: Continuous Blower Mode
The cooling operation described in item 2. above also applies HEAT PUMP MODE to operation with a Thermidistat. The exceptions are listed (See Fig. 52, 53, 54, and 55 for thermostat below: connections.) a. When the R to G-and-Y1 circuit is closed and there is a When installed with a heat pump, the furnace control auto- demand for dehumidification, the furnace blower motor matically changes the blower timing sequence to avoid long... - Page 42 NOTE: If TEST/TWIN and C -24v terminals are jumpered EXAMPLE: (0-2000 ft altitude using Table 9) longer than 2 sec, LED will flash rapidly and ignore component Heating value = 1050 Btu/cu ft test request. Specific gravity = 0.62 Component test sequence is as follows: Therefore: Orifice No.
- Page 43 Table 9—Model 58MXA Orifice Size and Manifold Pressure for Correct Input For Use with 040 through 120 Size Furnaces Only (Tabulated Data is Based on 20,000 Btuh per Burner, Derated 2% for Each 1000 Ft Above Sea Level) * SPECIFIC GRAVITY OF NATURAL GAS AVG GAS ALTITUDE HEAT VALUE...
- Page 44 TABLE 9—Model 58MXA 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 Percent for Each 1000 ft Above Sea Level)* SPECIFIC GRAVITY OF NATURAL GAS AVG GAS ALTITUDE HEAT VALUE...
- Page 45 Table 9—Model 58MXA 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 AVG GAS ALTITUDE HEAT VALUE...
- Page 46 Table 10—Model 58MXA 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 AVG GAS ALTITUDE HEAT VALUE...
- Page 47 Table 10—Model 58MXA 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 AVG GAS ALTITUDE HEAT VALUE...
- Page 48 BURNER FLAME BURNER BURNER ORIFICE MANIFOLD A89020 A93059 Fig. 59—Burner Flame Fig. 58—Orifice Holes g. Look through sight glass in burner enclosure and check d. Turn off all other gas applications and pilots. burner flame. Burner flame should be clear blue, almost e.
- Page 49 Table 12—Gas Rate (cu ft/hr) Table 13—Speed Selector FACTORY- SIZE OF TEST DIAL SIZE OF TEST DIAL SECONDS SECONDS COLOR SPEED SHIPPED FOR 1 FOR 1 REVOLUTION REVOLUTION CONNECTION Cu Ft Cu Ft Cu Ft Cu Ft Cu Ft Cu Ft Black High Cool...
- Page 50 Step 7—Checklist THERMOSTAT SUBBASE TERMINALS WITH THERMOSTAT REMOVED 1. Put away tools and instruments. Clean up debris. 2. Verify flame-rollout manual reset switch has continuity. HOOK-AROUND VOLT/AMMETER 3. Verify that blower and main outer access doors are properly installed. R Y W G 4.
- Page 51 CHECKLIST—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 ________ Condensate Trap Primed before Start-Up...
- Page 52 Copyright 2004 CARRIER Corp. • 7310 W. Morris St. • Indianapolis, IN 46231 58mxa17si 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 Catalog No. 535–80136 Printed in U.S.A.