Table of Contents
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PG92MSA
Single-Stage, 35-in. (889 mm) Tall, 4-Way Multipoise
High Efficiency Condensing Gas Furnace
NOTE: Read the entire instruction manual before starting the
installation.
TABLE OF CONTENTS
IMPORTANT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Table 1 - Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Table 2 - Minimum Clearances to Combustible Materials
for All Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Table 3 - Loose Parts Bag . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
CODES AND STANDARDS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
ELECTROSTATIC DISCHARGE (ESD) PRECAUTIONS PROCE-
DURE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
ACCESSORIES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
LOCATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
AIR FOR COMBUSTION AND VENTILATION . . . . . . . . . . . . . . 8
Table 4 - Minimum Free Area Required for Each Combustion Air
Opening or Duct to Outdoors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Table 5 - Minimum Space Volumes for 100% Combustion, Ventila-
tion and Dilution Air from Outdoors . . . . . . . . . . . . . . . . . . . . . . . 9
CONDENSATE TRAP. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
CONDENSATE DRAIN CONNECTION . . . . . . . . . . . . . . . . . . . . 13
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Table 6 - Opening Dimensions - In. (mm) . . . . . . . . . . . . . . . . . 18
FILTER ARRANGEMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Table 7 - Filter Media Pressure Drop (Clean) Versus Airflow - in. w.c.
(Pa) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Table 8 - Filter Media Pressure Drop (Clean) Versus Face Velocity-
in. w.c. (Pa) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Table 9 - Air Filter Selection and Duct Sizing - In. (mm) . . . . . 20
AIR DUCTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
GAS PIPING. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Table 10 - Maximum Capacity of Pipe . . . . . . . . . . . . . . . . . . . . 23
ELECTRICAL CONNECTIONS. . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Table 11 - Electrical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
ACCESS0RIES. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
VENTING. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Table 12 - Vent Termination Kit for Direct Vent (2-pipe) Systems30
Table 13 - Approved Combustion-Air and Vent Pipe, Fitting and Ce-
ment Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Table 14 - Maximum Equivalent Vent Length . . . . . . . . . . . . . . 39
Table 15 - Deductions from Maximum Equivalent Vent Length - Ft.
Portions of the text and tables are reprinted from 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
Installation, Start-up, Operating and
Service and Maintenance Instructions
on the referenced subject, which is represented only by the standard in its entirety.
(M) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Table 16 - Maximum Allowable Exposed Vent Lengths in Uncondi-
tioned Space Table - Ft. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Table 17 - Hanger Spacing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
AIR DELIVERY - CFM. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Table 18 - Air Delivery - CFM (with filter) . . . . . . . . . . . . . . . . 48
Table 19 - Airflow Settings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Table 20 - System Status Display Codes . . . . . . . . . . . . . . . . . . 50
Table 21 - Main Menu Options . . . . . . . . . . . . . . . . . . . . . . . . . . 51
SERVICE LABEL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
START-UP, ADJUSTMENT, AND SAFETY CHECK . . . . . . . . . 53
Table 22 - Test Sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
WIRING DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
ADJUSTMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Table 23 - Altitude Derate Multiplier for U.S.A. . . . . . . . . . . . . 55
Table 24 - Gas Rate (CU ft./hr). . . . . . . . . . . . . . . . . . . . . . . . . . 57
Table 25 - Orifice Size and Manifold Pressure (in. w.c.) for Gas Input
Rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
SERVICE AND MAINTENANCE PROCEDURES. . . . . . . . . . . . 59
CARE AND MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
WINTERIZATION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
SEQUENCE OF OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
PARTS REPLACEMENT INFORMATION GUIDE . . . . . . . . . . . 71
MODEL NOMENCLATURE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
To learn more about this appliance and installation via a mobile device,
go to
https://www.CAC/BDP.com/NFC
access airflow tables or troubleshooting guide on your mobile device go
to
mlctraining.com/training/techdocs/40/
or use the QR code below. To
or use the QR code below.
A220943
A200352
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Table of Contents
Related Manuals for Carrier PG92MSA
Summary of Contents for Carrier PG92MSA
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Page 1: Table Of Contents
PG92MSA Single-Stage, 35-in. (889 mm) Tall, 4-Way Multipoise High Efficiency Condensing Gas Furnace Installation, Start-up, Operating and Service and Maintenance Instructions NOTE: Read the entire instruction manual before starting the (M) ..........40 installation. -
Page 2: Required Notice For Massachusetts Installations
PG92MSA: Installation, Start-up, Operating and Service and Maintenance Instructions REQUIRED NOTICE FOR MASSACHUSETTS INSTALLATIONS IMPORTANT The Commonwealth of Massachusetts requires compliance with regulation 248 CMR as follows: 5.08: Modifications to NFPA-54, Chapter 10 2) Revise 10.8.3 by adding the following additional requirements: a. -
Page 3: Safety Considerations
PG92MSA: Installation, Start-up, Operating and Service and Maintenance Instructions NOTE: ALL DIMENSIONS IN INCH (MM) SD5663-4 REV. - A210796 Fig. 1 – Dimensional Drawing Table 1 – Dimensions SHIP WT. FURNACE SIZE CABINET WIDTH OUTLET WIDTH BOTTOM INLET WIDTH AIR INTAKE... - Page 4 PG92MSA: Installation, Start-up, Operating and Service and Maintenance Instructions WARNING WARNING FIRE, EXPLOSION, ELECTRICAL SHOCK, AND PERSONAL INJURY AND PROPERTY DAMAGE CARBON MONOXIDE POISONING HAZARD HAZARD Failure to follow this warning could result in dangerous operation, Failure to follow this warning could result in property damage, personal personal injury, death, or property damage.
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Page 5: For All Units
PG92MSA: Installation, Start-up, Operating and Service and Maintenance Instructions 2. Install this furnace only in a location and position as specified in the NOTICE “Location” section of these instructions. 3. Provide adequate combustion and ventilation air to the furnace Important Installation and Start-up Procedures space as specified in “Air for Combustion and Ventilation”... -
Page 6: Codes And Standards
PG92MSA: Installation, Start-up, Operating and Service and Maintenance Instructions Refrigerating, and Air-Conditioning Engineers; or other approved WARNING engineering method to calculate heating load estimates and select the furnace. Excessive oversizing of the furnace may cause the furnace FIRE, INJURY OR DEATH HAZARD and/or vent to fail prematurely, customer discomfort and/or vent freezing. -
Page 7: Dure
PG92MSA: Installation, Start-up, Operating and Service and Maintenance Instructions Duct Systems 6. Before removing a new control from its container, discharge your body’s electrostatic charge to ground to protect the control from • US and CANADA: Current edition of Air Conditioning Contractors damage. -
Page 8: Air For Combustion And Ventilation
PG92MSA: Installation, Start-up, Operating and Service and Maintenance Instructions CAUTION CAUTION PERSONAL INJURY AND/OR PROPERTY FURNACE RELIABILITY HAZARD DAMAGE HAZARD Failure to follow this caution may result in nuisance limit switch cycling and unit component damage. Improper use or installation of this furnace may result in premature furnace component failure. - Page 9 PG92MSA: Installation, Start-up, Operating and Service and Maintenance Instructions Outdoor Combustion Air Method WARNING 1. Provide the space with sufficient air for proper combustion, ventilation, and dilution of flue gases using permanent horizontal or CARBON MONOXIDE POISONING HAZARD vertical duct(s) or opening(s) directly communicating with the Failure to follow this warning could result in personal injury or death.
- Page 10 PG92MSA: Installation, Start-up, Operating and Service and Maintenance Instructions Indoor Combustion Air NFPA & AGA Standard and Known-Air-Infiltration Rate Methods Indoor air is permitted for combustion, ventilation, and dilution, if the Standard or Known-Air-Infiltration Method is used. WARNING CARBON MONOXIDE POISONING HAZARD Failure to follow this warning could result in personal injury or death.
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Page 11: Condensate Trap
PG92MSA: Installation, Start-up, Operating and Service and Maintenance Instructions communicating spaces if connected by one or more permanent as received from the factory. See the top image in Fig. 9. When the openings in doors or floors having free area of at least 2 furnace is installed in the downflow orientation, the condensate trap in.2/1,000 BTUh (4,400 mm2/kW) of total input rating of all gas... - Page 12 PG92MSA: Installation, Start-up, Operating and Service and Maintenance Instructions To Relocate the Condensate Trap: Remove the screw that secures the condensate trap to the collector box • Orient the furnace in the downflow position. If alternate vent position and remove trap.
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Page 13: Condensate Drain Connection
PG92MSA: Installation, Start-up, Operating and Service and Maintenance Instructions from sagging or being dislocated from the furnace or termination point. NOTICE In the absence of local codes, consult the current edition of the National Standard Plumbing Code, in the current edition of U.S. or the National The field-supplied, accessory horizontal drain trap grommet is ONLY Plumbing Code of Canada in Canada. - Page 14 PG92MSA: Installation, Start-up, Operating and Service and Maintenance Instructions A220966 Top View Drain Elbow “Z” Discharge Pipe for Left Side L12F019B Drain is Routed behind Inducer CAUTION CUT HAZARD Failure to follow this caution may result in personal injury. Sheet metal parts may have sharp edges or burrs. Use care and wear appropriate protective clothing, safety glasses and gloves when handling parts, and servicing furnaces.
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Page 15: Installation
PG92MSA: Installation, Start-up, Operating and Service and Maintenance Instructions The remaining drain line can be constructed from field supplied 1/2-in. building codes. A factory-supplied 1/2-in. CPVC to 3/4-in. PVC CPVC or 3/4-in. PVC pipe, in compliance with local building codes. A adapter is supplied in the loose parts bag for use as required. - Page 16 PG92MSA: Installation, Start-up, Operating and Service and Maintenance Instructions A11237 Fig. 19 – Furnace Pitch Requirements Supply Air Connections For a furnace not equipped with a cooling coil, the outlet duct shall be provided with a removable access panel. This opening shall be...
- Page 17 PG92MSA: Installation, Start-up, Operating and Service and Maintenance Instructions CAUTION CUT HAZARD Failure to follow this caution may result in personal injury. Sheet metal parts may have sharp edges or burrs. Use care and wear appropriate protective clothing, safety glasses and gloves when handling parts, and servicing furnaces.
- Page 18 PG92MSA: Installation, Start-up, Operating and Service and Maintenance Instructions Return Air Connections hung from floor joists, rafters or trusses or installed on a non-combustible platform, blocks, bricks or pad. CAUTION Supply Air Connections For a furnace not equipped with a cooling coil, the outlet duct shall be FURNACE RELIABILITY HAZARD provided with a removable access panel.
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Page 19: Filter Arrangement
PG92MSA: Installation, Start-up, Operating and Service and Maintenance Instructions For horizontal applications, the optional media cabinet (or field supplied accessory air cleaner) for all models can be connected to the bottom FURNACE FURNACE (OR COIL CASING WHEN USED) APPROVED opening on the furnace. For side return use in the horizontal position,... - Page 20 PG92MSA: Installation, Start-up, Operating and Service and Maintenance Instructions Table 7 – Filter Media Pressure Drop (Clean) Versus Airflow - in. w.c. (Pa) (Continued) Factory-Accessory 20 x 25 Filter Factory-Accessory Representative After-Market Filter Media (508 x 635 mm) Washable Media...
- Page 21 PG92MSA: Installation, Start-up, Operating and Service and Maintenance Instructions COMBUSTION - AIR PIPE (SEE VENTING SECTION) 30 IN. (762 mm) MIN. WORK AREA 2-IN. (51 mm) ROLLOUT PROTECTION REQUIRED Install 12” x 22” (305x559 mm) sheet metal in front of burner compartment area.
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Page 22: Air Ducts
PG92MSA: Installation, Start-up, Operating and Service and Maintenance Instructions AIR DUCTS 2. For each leg, install nut on bolt and then install bolt with nut in hole. (Install flat washer if desired.) NOTICE 3. Install another nut on other side of furnace base. (Install flat washer if desired.) -
Page 23: Gas Piping
PG92MSA: Installation, Start-up, Operating and Service and Maintenance Instructions GAS PIPING Gas entry can be from left or right side, or top panel. See Fig. 30 Fig. WARNING Left Side Gas Entry. Gas Pipe Gas Pipe Grommet Required Grommet Required For Direct For Direct Vent Applications Vent Applications. -
Page 24: Electrical Connections
PG92MSA: Installation, Start-up, Operating and Service and Maintenance Instructions Refer to current edition of NSCNGPIC in Canada. After all connections NOT exceed maximum 0.5 psig (14-in. w.c.) stated on gas control valve. have been made, purge lines and check for leakage at furnace prior to Fig. - Page 25 PG92MSA: Installation, Start-up, Operating and Service and Maintenance Instructions WARNING FIRE HAZARD ELECTRIC DISCONNECT SWITCH Failure to follow this warning could result in personal injury, death, or COPPER WIRE ONLY property damage. Do not connect aluminum wire between disconnect switch and furnace.
- Page 26 PG92MSA: Installation, Start-up, Operating and Service and Maintenance Instructions J-Box Installation The J-Box cover, mounting bracket and screws are shipped in the loose parts bag included with the furnace. See Fig. 35 for J-Box mounting WARNING locations. The J-Box mounting bracket and green ground screw is used as a FIRE OR ELECTRICAL SHOCK HAZARD grounding point for all line voltage wiring options.
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Page 27: Access0Ries
PG92MSA: Installation, Start-up, Operating and Service and Maintenance Instructions 10. Connect any code required external disconnect(s) to field power WARNING wiring. 11. Connect field power and neutral leads to furnace power leads inside FIRE, EXPLOSION, ELECTRICAL SHOCK, AND the external electrical box as shown in Fig. - Page 28 PG92MSA: Installation, Start-up, Operating and Service and Maintenance Instructions A11157 Fig. 37 – Field-Supplied Isolation Relay for Humidifiers with Internal Power Supply A210192 Fig. 38 – Example of Single Stage Furnace Control THERMOSTAT THERMOSTAT See notes 2, 5, 7, 9, and 12...
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Page 29: Venting
PG92MSA: Installation, Start-up, Operating and Service and Maintenance Instructions NOTICE WARNING OPTIONAL VENTING BELOW THE FURNACE CARBON MONOXIDE POISONING HAZARD The venting system may be positioned below the furnace ONLY IF the Failure to follow the instructions outlined below for each appliance factory accessory External Vent Trap Kit is used. - Page 30 PG92MSA: Installation, Start-up, Operating and Service and Maintenance Instructions Table 12 – Vent Termination Kit for Direct Vent (2-pipe) Systems Approved Two-Pipe Termination Fittings Vent and Combustion Allowable Concentric Concentric Vent 1 1/2-in. 2-in. 2 1/2-in. 3-in. 4-in. Air Pipe Diameters...
- Page 31 PG92MSA: Installation, Start-up, Operating and Service and Maintenance Instructions the exhaust gases from one appliance from contaminating the WARNING combustion air of other gas appliances. Do not take combustion air from inside the chimney when using CARBON MONOXIDE POISONING HAZARD ventilated combustion air or single-pipe vent option.
- Page 32 PG92MSA: Installation, Start-up, Operating and Service and Maintenance Instructions outdoor atmosphere. Air for combustion must be supplied as described radius 90 degree elbow is required to be attached to the combustion air in the Air For Combustion and Ventilation Section. Do not use an pipe adapter on the furnace.
- Page 33 PG92MSA: Installation, Start-up, Operating and Service and Maintenance Instructions A190032 Fig. 42 – Inside Corner Termination Inside Corner Terminations Inside corner vent terminations are permitted provided that: • Only two exterior walls come together to form an angle of 90 degrees to 135 degrees. There are no other exterior walls attached to either wall to form an alcove.
- Page 34 PG92MSA: Installation, Start-up, Operating and Service and Maintenance Instructions A12326 Fig. 43 – Direct Vent Termination Clearance NOTE: The following is based upon National codes for gas appliances and is provided as a reference. Refer to local codes which may supersede these standards and/or recommendations.
- Page 35 PG92MSA: Installation, Start-up, Operating and Service and Maintenance Instructions A12325 Fig. 44 – Ventilated Combustion Air and Non-Direct Vent Termination Clearance NOTE: The following is based upon National codes for gas appliances and is provided as a reference. Refer to local codes which may supersede these standards and/or recommendations.
- Page 36 PG92MSA: Installation, Start-up, Operating and Service and Maintenance Instructions 2. The vent termination must be located at least 3 feet from an inside WARNING corner and follow the clearance distances in the Inside Corner Termination drawing. See Fig. CARBON MONOXIDE POISONING HAZARD 3.
- Page 37 PG92MSA: Installation, Start-up, Operating and Service and Maintenance Instructions If the unobstructed distance from the foundation to the property line of the adjacent lot is no less than 4 ft. (1.2 M) and no greater than 8 ft. (2.4 M), it will be necessary to re-direct the flue gas plume. In this situation, a concentric vent kit cannot be used.
- Page 38 PG92MSA: Installation, Start-up, Operating and Service and Maintenance Instructions Recommended to prevent moisture from trickling into the furnace vestibule, a trap can be installed in the intake air pipe near the furnace. To prevent moisture, connecting a drain line to the trap is recommended as trace amounts of moisture will evaporate into the intake air stream.
- Page 39 PG92MSA: Installation, Start-up, Operating and Service and Maintenance Instructions 3. For each pipe, multiply the number of elbows by the equivalent 6. When using polypropylene venting systems with flexible vent length for the type of elbow used. Record the equivalent length of pipes, perform adjustments for the equivalent length of the flexible all the elbows for each pipe.
- Page 40 PG92MSA: Installation, Start-up, Operating and Service and Maintenance Instructions A13110 Table 15 – Deductions from Maximum Equivalent Vent Length - Ft. (M) Pipe Diameter (in): 1-1/2 2-1/2 (2.4) (2.4) (2.4) (2.4) (2.4) Mitered 90º Elbow (1.5) (1.5) (1.5) (1.5) (1.5) Medium Radius 90º...
- Page 41 PG92MSA: Installation, Start-up, Operating and Service and Maintenance Instructions 1. Loosen the clamp on the inlet of the vent elbow attached to the inducer. 2. Rotate the vent elbow to the required position. There are rounded notches on the vent elbow to align it with the inducer housing for each orientation.
- Page 42 PG92MSA: Installation, Start-up, Operating and Service and Maintenance Instructions HORIZONTAL LEFT-RIGHT VENT CONFIGURATION Fig. 56 – Horizontal Left (Appearance may vary) See “Notes for Venting Options” Requires Accessory Internal Vent Kit. See Product Data for current kit number. A11313A DOWNFLOW VERTICAL A11337 Fig.
- Page 43 PG92MSA: Installation, Start-up, Operating and Service and Maintenance Instructions Table 16 – Maximum Allowable Exposed Vent Lengths in Unconditioned Space Table - Ft. 40,000* BTUH 60,000 BTUH Unit Size 3/8-in. 1/2-in. Uninsulated Uninsulated 3/8-in. Insulation 1/2-in. Insulation Winter Insulation Insulation Design Pipe Dia.
- Page 44 PG92MSA: Installation, Start-up, Operating and Service and Maintenance Instructions 120,000 BTUH 140,000 BTUH Unit Size Uninsulated 3/8-in. Insulation 1/2-in. Insulation Uninsulated 3/8-in. Insulation 1/2-in. Insulation Winter Pipe Dia. Design Temp 15.2 12.2 22.9 28.9 22.9 32.0 16.7 15.2 19.8 32.0 19.8...
- Page 45 PG92MSA: Installation, Start-up, Operating and Service and Maintenance Instructions Table 17 – Hanger Spacing 2. Slide the plastic vent pipe adapter over the length of the vent pipe down to the furnace casing. Mark the pipe where it is flush with the Material outlet of the adapter.
- Page 46 PG92MSA: Installation, Start-up, Operating and Service and Maintenance Instructions Two-Pipe and Single-Pipe Terminations 2. Loosely install elbow in bracket (if used) and place assembly on combustion-air pipe. Single and two pipe vent must be installed as shown in Fig. 40 3.
- Page 47 PG92MSA: Installation, Start-up, Operating and Service and Maintenance Instructions Venting System Length Calculations The Total Equivalent Vent Length (TEVL) for EACH combustion air or vent pipe equals the length of the venting system, plus the equivalent length of elbows used in the venting system from Table Standard vent terminations or factory accessory concentric vent terminations count for zero deduction.
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Page 48: Air Delivery - Cfm
PG92MSA: Installation, Start-up, Operating and Service and Maintenance Instructions AIR DELIVERY - CFM Table 18 – Air Delivery - CFM (with filter) External Static Pressure (IN.W.C.) Airflow Default Unit Size Setting Setting Cont. Fan Heat 36040A 1040 1010 1085 1055... - Page 49 PG92MSA: Installation, Start-up, Operating and Service and Maintenance Instructions Table 18 – Air Delivery - CFM (with filter) (Continued) Airflow Default External Static Pressure (IN.W.C.) Unit Size Setting Setting Cont. Fan Heat 42060B 1010 1065 1015 1135 1085 1040 1195...
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Page 50: Furnace Control Programming And Navigation
PG92MSA: Installation, Start-up, Operating and Service and Maintenance Instructions Table 18 – Air Delivery - CFM (with filter) (Continued) Airflow Default External Static Pressure (IN.W.C.) Unit Size Setting Setting Cont. Fan 1085 1000 1170 1095 1010 1235 1160 1080 1005... - Page 51 PG92MSA: Installation, Start-up, Operating and Service and Maintenance Instructions Table 21 – Main Menu Options Display Operating Mode Faults code menu stores the 7 latest faults in memory. If no faults, None ( ) will be Last 7 faults that occurred displayed.
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Page 52: Service Label
PG92MSA: Installation, Start-up, Operating and Service and Maintenance Instructions A220518 Fig. 60 – 3 Digit Display Flow Chart SERVICE LABEL Scan QR code or reference troubleshooting guide in installation manual. Scroll through main menu by pressing the MENU/SELECT button. The major status code is displayed in the first 2 digits of the display. The minor status Press NEXT/OPTION button to view current setting (will flash on code is displayed in the third digit . -
Page 53: Start-Up, Adjustment, And Safety Check
PG92MSA: Installation, Start-up, Operating and Service and Maintenance Instructions START-UP, ADJUSTMENT, AND SAFETY CAUTION CHECK General CUT HAZARD Failure to follow this caution may result in personal injury. CAUTION Sheet metal parts may have sharp edges or burrs. Use care and wear... -
Page 54: Wiring Diagram
PG92MSA: Installation, Start-up, Operating and Service and Maintenance Instructions WIRING DIAGRAM SCHEMATIC DIAGRAM CONNECTION DIAGRAM TO 115VAC FIELD - DISCONNECT SWITCH NOTE #2 EQUIPMENT PRINTED CIRCUIT BOARD GROUND 24VAC HUM STATUS HSIR CODE LED SEE R ATING PLA T EFO R... -
Page 55: Adjustments
PG92MSA: Installation, Start-up, Operating and Service and Maintenance Instructions 6. Pour one quart (liter) of water into funnel/tube. Water should run The gas input rate on rating plate is for installations at altitudes up to through collector box, overfill condensate trap, and flow into open 2000 ft. - Page 56 PG92MSA: Installation, Start-up, Operating and Service and Maintenance Instructions Heating value = 1050 Btu/cu ft. screwdriver) counterclockwise (out) to decrease input rate or clockwise (in) to increase input rate. See Fig. Specific gravity = 0.62 Therefore: Orifice No. 44 NOTICE Manifold pressure: 3.4-in.
- Page 57 PG92MSA: Installation, Start-up, Operating and Service and Maintenance Instructions Table 24 – Gas Rate (CU ft./hr) Table 25 – Orifice Size and Manifold Pressure (in. w.c.) for Gas Input Rate SIZE OF TEST DIAL SIZE OF TEST DIAL SEC. SEC.
- Page 58 PG92MSA: Installation, Start-up, Operating and Service and Maintenance Instructions 3. Restore furnace to normal operating condition. WARNING a. Turn gas valve ON/OFF switch to OFF. b. Remove water column manometer or similar device from FIRE HAZARD manifold pressure tap. c. Tighten set screw on manifold tower pressure tap with 3/32-in.
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Page 59: Service And Maintenance Procedures
PG92MSA: Installation, Start-up, Operating and Service and Maintenance Instructions Checklist GENERAL • Put away tools and instruments. Clean up debris. These instructions are written as if the furnace is installed in an upflow • Check Input/Output gas pressure application. An upflow furnace application is where the blower is located below the combustion and controls section of the furnace, and •... -
Page 60: Care And Maintenance
PG92MSA: Installation, Start-up, Operating and Service and Maintenance Instructions CAUTION WARNING SHOCK HAZARD CARBON MONOXIDE POISONING AND FIRE HAZARD Failure to follow this caution could result in personal injury. Failure to follow this warning could result in personal injury, death Do not tape or permanently allow the door switch to be bypassed. - Page 61 PG92MSA: Installation, Start-up, Operating and Service and Maintenance Instructions 4. If equipped with permanent, washable filter, clean filter by spraying 8. Reassemble motor and blower wheel by reversing items 7b through cold tap water through filter in opposite direction of airflow. Rinse 7f.
- Page 62 PG92MSA: Installation, Start-up, Operating and Service and Maintenance Instructions 11. Remove the four screws that attach the top plate of the casing to the furnace. 12. Raise top plate up slightly and prop it up with a small piece of wood or folded cardboard.
- Page 63 PG92MSA: Installation, Start-up, Operating and Service and Maintenance Instructions 15. Turn gas on at electric switch on gas valve and at external shut-off d. If replacement is required, remove the screw that secures the or meter igniter on igniter bracket and remove the igniter.
- Page 64 PG92MSA: Installation, Start-up, Operating and Service and Maintenance Instructions 7. Remove the screw that secures the condensate trap to the collector WARNING box, remove the trap and set aside. 8. Remove the trap gasket from the collector box if it did not come off ELECTRICAL SHOCK, FIRE OR EXPLOSION HAZARD when the trap was removed.
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Page 65: Winterization
PG92MSA: Installation, Start-up, Operating and Service and Maintenance Instructions NOTE: After cleaning, inspect the heat exchangers to ensure they are 11. If a condensate pump is used, check with pump manufacturer to free of all foreign objects that may restrict flow of combustion products. - Page 66 PG92MSA: Installation, Start-up, Operating and Service and Maintenance Instructions Troubleshooting Simultaneously, the electronic air cleaner terminal EAC-1 is energized and remains energized as long as the blower motor Refer to the service label (see Fig. 61). The Troubleshooting Guide (see BLWM is energized.
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Page 67: Troubleshooting
PG92MSA: Installation, Start-up, Operating and Service and Maintenance Instructions TROUBLESHOOTING A221116 Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations. - Page 68 PG92MSA: Installation, Start-up, Operating and Service and Maintenance Instructions A221119 Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
- Page 69 PG92MSA: Installation, Start-up, Operating and Service and Maintenance Instructions A221120 Fig. 72 – Troubleshooting Guide Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
- Page 70 PG92MSA: Installation, Start-up, Operating and Service and Maintenance Instructions GAS FURNACE CHECKLIST Installation Date: ____________________________ Equipment Model Serial # Furnace Thermostat Humidifier Indoor Coil Outdoor Unit Furnace Location_____________________________ Installed altitude __________________ Furnace Orientation: ____Upflow ____Downflow ____Horizontal Right ____Horizontal Left Gas Adjustment LOCAL GAS HEAT CONTENT_____________(btu/cu.
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Page 71: Parts Replacement Information Guide
PG92MSA: Installation, Start-up, Operating and Service and Maintenance Instructions PARTS REPLACEMENT INFORMATION GUIDE Casing Group Filter Group Blower door Filter(s) Bottom plate Media Cabinet (when used) Gas Control Group Control door Door knob assembly Burner Top filler plate Flame sensor... - Page 72 PG92MSA: Installation, Start-up, Operating and Service and Maintenance Instructions © 2022 Carrier. All rights reserved. Edition Date: 08/22 Catalog No: IM-PG92MSAA-01 REV B A Carrier Company Replaces: IM-PG92MSAA-01 REV A Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.