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PG97VTA
Two-Stage, Non-Communicating, Variable 25-Speed ECM, Multipoise,
Condensing Gas Furnace
NOTE: Read the entire instruction manual before starting the installation.
TABLE OF CONTENTS
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
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,
Ventilation 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) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
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) . . . . . . 21
Table 10 - Air Filter Located in Filter Cabinet . . . . . . . . . . . . . . . 21
AIR DUCTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
GAS PIPING. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Table 11 - Maximum Capacity of Pipe . . . . . . . . . . . . . . . . . . . . . 23
ELECTRICAL CONNECTIONS. . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Table 12 - Electrical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
VENTING. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Table 13 - Vent Termination Kit for Direct Vent (2-pipe) Sys-
tems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Table 14 - Approved Combustion-Air and Vent Pipe, Fitting
and Cement Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Table 15 - Maximum Equivalent Vent Length . . . . . . . . . . . . . . . 39
Table 16 - Deductions from Maximum Equivalent Vent Length
- Ft. (M) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Table 17 - Maximum Allowable Exposed Vent Lengths in Un-
conditioned Space Insulation Table - Ft. . . . . . . . . . . . . . . . . . . . . 43
Table 18 - Hanger Spacing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
AIR DELIVERY - CFM. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Table 19 - Air Delivery - CFM (with filter) . . . . . . . . . . . . . . . . . 49
Table 20 - Default Airflow Settings . . . . . . . . . . . . . . . . . . . . . . . 51
Installation, Start-up, Operating and
Service and Maintenance Instructions
37.) . . . . . . . . . . . . . . . . . . . . 27
AND NAVIGATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Table 21 - System Status Display Codes . . . . . . . . . . . . . . . . . . . 52
Table 22 - Main Menu Options . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
SERVICE LABEL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
START-UP, ADJUSTMENT, AND SAFETY CHECK . . . . . . . . . . 54
Table 23 - Test Sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
WIRING DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
ADJUSTMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Table 24 - Altitude Derate Multiplier for USA. . . . . . . . . . . . . . . 58
Table 25 - Gas Rate (CU ft./hr). . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Table 26 - Orifice Size and Manifold Pressure (in. w.c.) for
Gas Input Rate - Two-Stage Furnace . . . . . . . . . . . . . . . . . . . . . . 60
SERVICE AND MAINTENANCE PROCEDURES. . . . . . . . . . . . . 62
ELECTRICAL CONTROLS AND WIRING . . . . . . . . . . . . . . . . . . 62
CARE AND MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
WINTERIZATION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
SEQUENCE OF OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
GAS FURNACE CHECKLIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
PARTS REPLACEMENT INFORMATION GUIDE . . . . . . . . . . . . 76
MODEL NOMENCLATURE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
To learn more about this appliance and installation via a mobile device,
go to
https://payne.com/NFC
airflow tables or troubleshooting guide on your mobile device go to
https://mlctraining.com/training/techdocs/220/
below.
or use the QR code below. To access
or use the QR code
A240430
A200352
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Related Manuals for Payne PG97VTA
Summary of Contents for Payne PG97VTA
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Page 1: Table Of Contents
PG97VTA Two-Stage, Non-Communicating, Variable 25-Speed ECM, Multipoise, Condensing Gas Furnace Installation, Start-up, Operating and Service and Maintenance Instructions NOTE: Read the entire instruction manual before starting the installation. TABLE OF CONTENTS FURNACE CONTROL PROGRAMMING AND NAVIGATION ........51 REQUIRED NOTICE FOR MASSACHUSETTS INSTALLATIONS2 Table 21 –... -
Page 2: Required Notice For Massachusetts Installations2
PG97VTA: Installation, Start-up, Operating and Service and Maintenance Instructions 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 on the referenced subject, which is represented only by the standard in its entirety. -
Page 3: Safety Considerations
PG97VTA: Installation, Start-up, Operating and Service and Maintenance Instructions A210796 Fig. 1 – Dimensional Drawing Table 1 – Dimensions SHIP WT. FURNACE SIZE LB (KG) CABINET WIDTH OUTLET WIDTH BOTTOM INLET WIDTH AIR INTAKE 48060B 17-1/2 (445) 15-7/8 (403) 16 (406) 8-3/4 (222) 145 (65.8) -
Page 4: Fire Hazard
PG97VTA: 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. -
Page 5: For All Units
PG97VTA: Installation, Start-up, Operating and Service and Maintenance Instructions 1. Use only with type of gas approved for this furnace. Refer to the NOTICE furnace rating plate. 2. Install this furnace only in a location and position as specified in the IMPORTANT INSTALLATION AND START-UP PROCEDURES “Location”... -
Page 6: Codes And Standards
PG97VTA: Installation, Start-up, Operating and Service and Maintenance Instructions Failure to follow these guidelines is considered faulty installation and/or WARNING misapplication of the furnace; and resulting failure, damage, or repairs may impact warranty coverage. FIRE, INJURY OR DEATH HAZARD For accessory installation details, refer to the applicable instruction literature. -
Page 7: Dure
PG97VTA: Installation, Start-up, Operating and Service and Maintenance Instructions Acoustical Lining and Fibrous Glass Duct LOCATION • US and CANADA: Current edition of SMACNA, NFPA 90B as tested General by UL Standard 181 for Class I Rigid Air Ducts These furnaces are shipped with materials to assist in proper furnace Gas Piping and Gas Pipe Pressure Testing installation. -
Page 8: Air For Combustion And Ventilation
PG97VTA: Installation, Start-up, Operating and Service and Maintenance Instructions AIR FOR COMBUSTION AND VENTILATION CAUTION Introduction Direct Vent (2-pipe) Applications PERSONAL INJURY AND/OR PROPERTY DAMAGE When the furnace is installed as a direct vent (2-pipe) furnace, no special HAZARD provisions for air for combustion are required. However, other gas... - Page 9 PG97VTA: Installation, Start-up, Operating and Service and Maintenance Instructions The requirements for combustion and ventilation air depend upon Fig. 6 illustrates how to provide TWO OUTDOOR OPENINGS, whether or not the furnace is located in a space having a volume of at...
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Page 10: Standard Method
PG97VTA: Installation, Start-up, Operating and Service and Maintenance Instructions WARNING CARBON MONOXIDE POISONING HAZARD Failure to follow this warning could result in personal injury or death. Many homes require air to be supplied from outdoors for furnace combustion, ventilation, and dilution of flue gases. -
Page 11: Condensate Trap
PG97VTA: Installation, Start-up, Operating and Service and Maintenance Instructions 2. An attic or crawlspace may be considered a space that freely must be relocated for proper condensate drainage. See the bottom image communicates with the outdoors provided there are adequate Fig. - Page 12 PG97VTA: Installation, Start-up, Operating and Service and Maintenance Instructions To Relocate the Condensate Trap: • Remove the knockout or plug in the casing for the condensate trap. • Install the grommet in the casing when required for direct-vent horizontal applications.
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Page 13: Condensate Drain Connection
PG97VTA: 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 U.S. or the current edition of the The field-supplied, accessory horizontal drain trap grommet is ONLY National Plumbing Code of Canada. - Page 14 PG97VTA: Installation, Start-up, Operating and Service and Maintenance Instructions (downflow) and out through the left side of the furnace casing. A pre-formed 1/2-in. CPVC “Z-pipe” is provided with the furnace. The Z-pipe is long enough to extend across the casing for drain connections.
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Page 15: Horizontal Orientation
PG97VTA: Installation, Start-up, Operating and Service and Maintenance Instructions 12. Align the Z-pipe with the long end of the grommet inside the 2. To allow for servicing the trap, the condensate drain elbow in the furnace and insert slightly. The angled end of the tube at the other loose parts bag can be used to make a coupler to allow for future side of the casing should be facing the front of the furnace. -
Page 16: Supply Air Connections
PG97VTA: Installation, Start-up, Operating and Service and Maintenance Instructions LEVEL 0-IN. (0 MM) TO 1/2-IN. (13 MM) MAX MIN 1/4-IN. (6 MM) TO 1/2-IN. (13 MM) MAX UPFLOW OR HORIZONTAL DOWNFLOW A11237 Fig. 19 – Furnace Pitch Requirements Supply Air Connections For a furnace not equipped with a cooling coil, the outlet duct shall be ANY COMBINATION OF 1, 2, OR 3 PERMITTED. - Page 17 PG97VTA: 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 PG97VTA: Installation, Start-up, Operating and Service and Maintenance Instructions Connect supply-air duct to flanges on furnace supply-air outlet. Bend WARNING flange upward to 90° with wide duct pliers. See Fig. 20. The supply-air duct must be connected to ONLY the furnace supply-outlet-air duct FIRE, EXPLOSION, AND CARBON MONOXIDE flanges or air conditioning coil casing (when used).
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Page 19: Leveling Legs (If Desired)
PG97VTA: Installation, Start-up, Operating and Service and Maintenance Instructions There are no provisions for an internal filter rack in these furnaces. An FURNACE FURNACE external filter is required. (OR COIL CASING WHEN USED) APPROVED COIL ASSEMBLY This furnace may use an optional media filter cabinet. The optional... - Page 20 PG97VTA: Installation, Start-up, Operating and Service and Maintenance Instructions Table 7 – Filter Media Pressure Drop (Clean) Versus Airflow - in. w.c. (Pa) Representative After-Market Filter Media 14 x 25 Filter Factory-Accessory (356 x 635 mm) Washable Fiberglass Pleated (1-in. / 2.5 cm) (1-in.
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Page 21: Air Ducts
PG97VTA: Installation, Start-up, Operating and Service and Maintenance Instructions Table 9 – Air Filter Selection and Duct Sizing - In. (mm) COMBUSTION-AIR PIPE (SEE VENTING SECTION) FILTER SIZE FURNACE FILTER TYPE SIDE BOTTOM CASING WIDTH RETURN RETURN 16 x 25 x 3/4... -
Page 22: Gas Piping
PG97VTA: Installation, Start-up, Operating and Service and Maintenance Instructions General Requirements WARNING The duct system should be designed and sized according to accepted national standards such as those published by: Air Conditioning FIRE OR EXPLOSION HAZARD Contractors Association (ACCA Manual D), Sheet Metal and Air... -
Page 23: Fire Or Explosion Hazard
PG97VTA: Installation, Start-up, Operating and Service and Maintenance Instructions Refer to current edition of NSCNGPIC in Canada. After all connections have been made, purge lines and check for leakage at furnace prior to operating furnace. PRESSURE TESTING ABOVE ½ psig: The furnace and it’s individual shut-off valve must be disconnected from... -
Page 24: Electrical Connections
PG97VTA: Installation, Start-up, Operating and Service and Maintenance Instructions If pressure exceeds 0.5 psig (14-in. w.c.), gas supply pipe must be WARNING disconnected from furnace and capped before and during supply pipe pressure test. If test pressure is equal to or less than 0.5 psig (14-in. w.c.),... - Page 25 PG97VTA: Installation, Start-up, Operating and Service and Maintenance Instructions Table 12 – Electrical Data OPERATING VOLTAGE MAXIMUM VOLTS- MAXIMUM MINIMUM MAXIMUM RANGE UNIT FUSE OR FURNACE SIZE HERTZ- UNIT WIRE SIZE WIRE LENGTH † AMPACITY CKT BKR ‡ PHASE AMPS...
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Page 26: Power Cord Installation In Furnace J-Box
PG97VTA: Installation, Start-up, Operating and Service and Maintenance Instructions 1. Select and remove 7/8-in. (22 mm) knockout or plug on the desired 3. Install two (2) screws through the outside of the casing to secure the side of the casing. Remove the knockout or plug from the casing. -
Page 27: Accessories (See Fig. 36 And Fig. 37.)
PG97VTA: Installation, Start-up, Operating and Service and Maintenance Instructions 24-V Wiring Make field 24-V connections at the 24-V terminal strip. See Fig. To HUM Terminal On To Humidifier Leads Connect terminal Y/Y2 as shown in Fig. 32 for proper cooling operation. -
Page 28: Venting
PG97VTA: Installation, Start-up, Operating and Service and Maintenance Instructions 6. For Single-stage AC or HP, configure thermostat for single-stage compressor operation. Refer to thermostat instructions. 7. NO connection should be made to the furnace HUM terminal when using a thermostat with a 24-V humidifier output. -
Page 29: Special Venting Requirements For Installations In Canada
PG97VTA: Installation, Start-up, Operating and Service and Maintenance Instructions Consignes spéciales pour l’installation de manufacturer’s installation instructions for the polypropylene venting system installation. ventilation au Canada NOTE: When using polypropylene venting systems, all venting L’installation faite au Canada doit se conformer aux exigences du code materials used, including the vent terminations, must be from the same CSA B149. - Page 30 PG97VTA: Installation, Start-up, Operating and Service and Maintenance Instructions Table 13 – Vent Termination Kit for Direct Vent (2-pipe) Systems Approved Two-Pipe Termination Fittings Vent and Combustion Allowable Concentric Concentric Vent Kit 1 1/2-in. 2-in. 2 1/2-in. 3-in. 4-in. Air Pipe Diameters...
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Page 31: Tems
PG97VTA: 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 PG97VTA: Installation, Start-up, Operating and Service and Maintenance Instructions in the Air For Combustion and Ventilation Section. Do not use an pipe adapter on the furnace. See Fig. 48. This short inlet air pipe helps to abandoned chimney to supply outside air to the furnace. See Fig.
- Page 33 PG97VTA: Installation, Start-up, Operating and Service and Maintenance Instructions A12326 Fig. 41 – 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 34 PG97VTA: Installation, Start-up, Operating and Service and Maintenance Instructions A12325 Fig. 42 – Ventilated Combustion Air and Non-Direct Vent Termination Clearance NOTE: following based upon National codes appliances provided reference. Refer to local codes which may supersede these standards and/or recommendations.
- Page 35 PG97VTA: Installation, Start-up, Operating and Service and Maintenance Instructions No ope rable windows , doo rs or Clearanc e distance s for intakes of any type within the items greater than 3 feet shade d areas of Wall A and B.
- Page 36 PG97VTA: Installation, Start-up, Operating and Service and Maintenance Instructions 1. Comply with all clearance requirements stated in Fig. 41 Fig. 42 WARNING per application. 2. Termination or termination kit should be positioned where vent CARBON MONOXIDE POISONING HAZARD vapors will not damage plants/shrubs, air conditioning equipment Failure to follow the instructions outlined below for each appliance or utility meters.
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Page 37: Termination Requirements For The Provinces Of Alberta And Saskatchewan
PG97VTA: Installation, Start-up, Operating and Service and Maintenance Instructions Non-Direct Vent / 1-Pipe System 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 The vent pipe for a Non Direct Vent (1-pipe) system must terminate M), it will be necessary to re-direct the flue gas plume. - Page 38 PG97VTA: Installation, Start-up, Operating and Service and Maintenance Instructions Recommended Combustion Air Inlet Moisture Trap NOTICE OPTIONAL CONFIGURATION FOR COMBUSTION AIR INLET PIPE In applications where there is a risk of excessive moisture entering the combustion air inlet pipe, a moisture trap may be added to the inlet pipe...
- Page 39 PG97VTA: Installation, Start-up, Operating and Service and Maintenance Instructions 5. Calculate Total Equivalent Vent Length by adding the equivalent NOTICE lengths of the fittings to the lengths of the individual vent and combustion air pipes. ADDITIONAL INFORMATION POLYPROPYLENE 6. When using polypropylene venting systems with flexible vent...
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Page 40: Combustion Air And Vent Piping Insulation Guidelines
PG97VTA: Installation, Start-up, Operating and Service and Maintenance Instructions Table 15 – Maximum Equivalent Vent Length (Continued) Maximum Equivalent Vent Length - Meters † ‡ Unit Size 60,000 80,000 100,000 120,000 Pipe Dia. (mm) 0-610 30.4 53.3 60.9 16.7 39.6 53.3... - Page 41 PG97VTA: Installation, Start-up, Operating and Service and Maintenance Instructions Configure the Furnace Near Furnace Vent Connections Offsets in the vertical portion of the vent pipe should be made with 45 deg. elbows instead of 90 deg. elbows. Short horizontal runs of vent pipe are difficult to pitch correctly and may trap water in the vent pipe.
- Page 42 PG97VTA: Installation, Start-up, Operating and Service and Maintenance Instructions A230011 UPFLOW VERTICAL VENT Fig. 53 – Upflow Configuration (Appearance May Vary) See “Notes for Venting Options” Requires Accessory Internal Vent Kit. See Product Data for current kit number. A11313A DOWNFLOW VERTICAL Fig.
- Page 43 PG97VTA: Installation, Start-up, Operating and Service and Maintenance Instructions HORIZONTAL RIGHT-VERTICAL VENT CONFIGURATION A11336 HORIZONTAL RIGHT-LEFT VENT CONFIGURATION A11328A HORIZONTAL LEFT-LEFT VENT CONFIGURATION A11335 HORIZONTAL RIGHT-RIGHT VENT CONFIGURATION Fig. 56 – Horizontal Right (Appearance May Vary) See “Notes for Venting Options”...
- Page 44 PG97VTA: Installation, Start-up, Operating and Service and Maintenance Instructions 40,000* BTUh 60,000 BTUh Unit 3/8-in. 1/2-in. Size Uninsulated Uninsulated 3/8-in. Insulation 1/2-in. Insulation Insulation Insulation Pipe Winter Dia. 1 ½ 2 ½ 1 ½ 2 ½ 1 ½ 2 ½...
- Page 45 PG97VTA: 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 46 PG97VTA: Installation, Start-up, Operating and Service and Maintenance Instructions Concentric Vent CAUTION Single or multiple concentric vent must be installed as shown in Fig. Maintain the required separation distance between vents or pairs of vents FURNACE RELIABILITY HAZARD as shown in Fig.
- Page 47 PG97VTA: Installation, Start-up, Operating and Service and Maintenance Instructions 2-Pipe and 1-Pipe Vent Termination NOTE: Follow the instructions of the vent terminal manufacturer. These instructions are provided as a reference, only. NOTICE RECOMMENDED SUPPORT FOR VENT TERMINATIONS It is recommended that sidewall vent terminations in excess of 24 inches (.6 M) in vertical length be supported by EITHER the Direct...
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Page 48: Venting System Length Calculations
PG97VTA: 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. -
Page 49: Air Delivery - Cfm
PG97VTA: Installation, Start-up, Operating and Service and Maintenance Instructions AIR DELIVERY - CFM Table 19 – Air Delivery - CFM (with filter) External Static Pressure (in. w.c.) Airflow Default Unit Size Setting Setting Cont. Fan Low Heating 1005 1040 1000... - Page 50 PG97VTA: Installation, Start-up, Operating and Service and Maintenance Instructions Table 19 – Air Delivery - CFM (with filter) (Continued) External Static Pressure (in. w.c.) Airflow Default Unit Size Setting Setting Cont. Fan 1085 1025 1160 1100 1040 Low Heating 1255...
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Page 51: Furnace Control Programming
PG97VTA: Installation, Start-up, Operating and Service and Maintenance Instructions Table 19 – Air Delivery - CFM (with filter) (Continued) External Static Pressure (in. w.c.) Airflow Default Unit Size Setting Setting Cont. Fan 1055 1130 1060 1205 1130 1065 1005 1225... - Page 52 PG97VTA: Installation, Start-up, Operating and Service and Maintenance Instructions This furnace model is equipped with an on-board 3-digit LCD display The system’s status is displayed after startup or after no control buttons with pushbutton navigation for the adjustment of operating parameters, have been pressed for 60 seconds.
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Page 53: Control Board Replacement
PG97VTA: Installation, Start-up, Operating and Service and Maintenance Instructions NFC and Supported App Method 1. Use the supported mobile app to flash the model program onto the board using Near Field Communication (NFC). Scan the QR code This furnace control board is also equipped with NFC (Near Field... -
Page 54: Service Label
PG97VTA: Installation, Start-up, Operating and Service and Maintenance Instructions SERVICE LABEL A221522 Fig. 59 – Service Label Information START-UP, ADJUSTMENT, AND SAFETY NOTICE CHECK General IMPORTANT INSTALLATION AND START-UP PROCEDURES Failure to follow this procedure may result in a nuisance smoke or odor CAUTION complaint. -
Page 55: Cut Hazard
PG97VTA: Installation, Start-up, Operating and Service and Maintenance Instructions 6. Blower door must be in place to complete 115-V electrical circuit a. Remove thermostat wire connected to R terminal on control to and supply power to the furnace components. ensure no thermostat demands are present. -
Page 56: Wiring Diagram
PG97VTA: Installation, Start-up, Operating and Service and Maintenance Instructions WIRING DIAGRAM A221523 Fig. 60 – Wiring Diagram Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations. -
Page 57: Adjustments
PG97VTA: Installation, Start-up, Operating and Service and Maintenance Instructions Prime Condensate Trap with Water WARNING WARNING FIRE OR EXPLOSION HAZARD CARBON MONOXIDE POISONING HAZARD Failure to follow this warning could result in personal injury, death, and/or property damage. Failure to follow these warnings could result in personal injury or Never purge a gas line into a combustion chamber. -
Page 58: Adjust Manifold Pressure
PG97VTA: Installation, Start-up, Operating and Service and Maintenance Instructions 6. Replace orifice with correct size, if required by Table 26. Use only NOTICE factory-supplied orifices. See EXAMPLE 1. EXAMPLE 1 The NATURAL GAS manifold pressure adjustments in Table 24 EXAMPLE: 0 - 2000 ft. (0 - 609.6M) altitude compensate for BOTH altitude AND gas heating value. - Page 59 PG97VTA: Installation, Start-up, Operating and Service and Maintenance Instructions A170117 Fig. 63 – Gas Valve with Tower Pressure Ports a. Turn gas valve ON/OFF switch to OFF. b. Loosen set screw on manifold tower pressure tap no more than A89020 Fig.
- Page 60 PG97VTA: Installation, Start-up, Operating and Service and Maintenance Instructions Table 25 – Gas Rate (CU ft./hr) (Continued) Table 26 – Orifice Size and Manifold Pressure (in. w.c.) for Gas Input Rate – Two-Stage Furnace (Continued) TABULATED DATA BASED ON 20,000 BTUH HIGH-HEAT / 13,000 BTUH LOW-HEAT PER...
- Page 61 PG97VTA: Installation, Start-up, Operating and Service and Maintenance Instructions 1. Remove jumpers from R and W/W1. WARNING 2. Wait until the blower off delay is completed. 3. Remove blower door. FIRE HAZARD 4. Refer to the FURNACE CONTROL PROGRAMMING AND...
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Page 62: Service And Maintenance Procedures
PG97VTA: Installation, Start-up, Operating and Service and Maintenance Instructions method to check the temperature limit control, it can be established CAUTION that the limit is functioning properly and that the limit will operate if there is a restricted return-air supply or motor failure. If the limit... -
Page 63: Care And Maintenance
PG97VTA: Installation, Start-up, Operating and Service and Maintenance Instructions replacement is required, use ONLY a 3-amp. fuse. The control LED will WARNING display status code (24.1) when fuse needs to be replaced. Retrieving Stored Fault Codes CARBON MONOXIDE POISONING AND FIRE... -
Page 64: Blower Motor And Wheel Maintenance
PG97VTA: Installation, Start-up, Operating and Service and Maintenance Instructions 2. Remove blower door. WARNING 3. All factory wires can be left connected, but field thermostat and accessory wiring may need to be disconnected depending on their ELECTRICAL SHOCK, FIRE OR EXPLOSION HAZARD length and routing. - Page 65 PG97VTA: Installation, Start-up, Operating and Service and Maintenance Instructions 15. Reconnect blower leads to furnace control. Refer to furnace wiring diagram, and connect thermostat leads if previously disconnected. IGNITER BURNER SUPT. ASSY BRACKET, IGNITER NOTE: Be sure to attach ground wire and reconnect blower harness plugs to blower motor.
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Page 66: Fire Or Explosion Hazard
PG97VTA: Installation, Start-up, Operating and Service and Maintenance Instructions 6. Attach the green/yellow wire and ground terminal to one of the Servicing Hot Surface Igniter manifold mounting screws. The igniter does NOT require annual inspection. Check igniter 7. Install the remaining manifold mounting screws. -
Page 67: Cleaning Heat Exchangers
PG97VTA: Installation, Start-up, Operating and Service and Maintenance Instructions 11. Remove the relief tube from the port on the collector box and the 1. Check for signs of physical damage to heat tape such as nicks, cuts, trap. abrasions, gnawing by animals, etc. -
Page 68: Winterization
PG97VTA: Installation, Start-up, Operating and Service and Maintenance Instructions 9. Refer to furnace wiring diagram and reconnect wires to flame CAUTION rollout switch, gas valve, igniter, and flame sensor. 10. Turn on gas and electrical supplies to furnace. UNIT COMPONENT DAMAGE HAZARD 11. - Page 69 PG97VTA: Installation, Start-up, Operating and Service and Maintenance Instructions low-heat or high-heat operation. This selection is based upon the stored mode and operate the inducer motor IDM on high speed until history of the length of previous gas-heating periods of the single-stage flame is no longer proved.
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Page 70: Single-Stage Thermostat And Two-Speed Cooling (Adaptive Mode)
PG97VTA: Installation, Start-up, Operating and Service and Maintenance Instructions closed. The blower motor BLWM will transition to low-heat a. Two-Stage Thermostat and Two-Speed Cooling Fig. 38 for thermostat connections airflow five seconds after the R-to-W2 circuit opens. NOTE: (Ctt) setting must be set to (2st) to allow thermostat control 3. -
Page 71: Troubleshooting
PG97VTA: Installation, Start-up, Operating and Service and Maintenance Instructions during the blower-OFF delay period before transitioning to problem or failed component. After replacing any component, verify continuous fan airflow. correct operation sequence. When the thermostat “calls for low-cooling”, the blower motor BLWM will switch to operate at low-cooling airflow. - Page 72 TROUBLESHOOTING GUIDE A221606...
- Page 73 221607...
- Page 74 221608 Fig. 70 – Troubleshooting Guide...
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Page 75: Gas Furnace Checklist
PG97VTA: Installation, Start-up, Operating and Service and Maintenance Instructions GAS FURNACE CHECKLIST A230014 Fig. 71 – Gas Furnace Checklist Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations. -
Page 76: Parts Replacement Information Guide
PG97VTA: Installation, Start-up, Operating and Service and Maintenance Instructions PARTS REPLACEMENT INFORMATION GUIDE Casing Group Gas Control Group Blower door Burner Bottom plate Flame sensor Control door Gas valve Door knob assembly Hot surface igniter Top filler plate Manifold Electrical Group...
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