Page 2 - Required Notice for Massachusetts Installations; Important
Specifications are subject to change without notice. 2 440 01 4005 05 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 followi...
Page 3 - INSTALLATION INSTRUCTIONS; Safety Considerations; WARNING
INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)9MXT, (F/G)9MXE 440 01 4005 05 3 Specifications subject to change without notice. Safety Considerations ! WARNING FIRE, EXPLOSION, ELECTRICAL SHOCK, AND CARBON MONOXIDE POISONING HAZARD Failure to follow this warning could result in dangerous operation, pe...
Page 4 - NOTICE; Introduction; Codes and Standards; Safety
INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)9MXT, (F/G)9MXE 4 440 01 4005 05 Specifications subject to change without notice. 9. The furnace may be used for construction heat provided that the furnace installation and operation complies with the first CAUTION in the LOCATION section on page 8 of the...
Page 5 - IMPORTANT: Gas furnaces manufactured on or after; Precautions Procedure; CAUTION; FURNACE RELIABILITY HAZARD
INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)9MXT, (F/G)9MXE 440 01 4005 05 5 Specifications subject to change without notice. Sites, Communities, and Set-Ups),ANSI/NCS A225.1, and/or CAN/CSA-Z240, MH Series Mobile Homes. S CANADA: Current edition of the Standard of Canada, Natural Gas and Propane In...
Page 6 - Figure 2
INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)9MXT, (F/G)9MXE 6 440 01 4005 05 Specifications subject to change without notice. Figure 2 Dimensions A180202
Page 8 - Location; PERSONAL INJURY AND/OR PROPERTY DAMAGE; General; CARBON MONOXIDE POISONING / COMPONENT
INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)9MXT, (F/G)9MXE 8 440 01 4005 05 Specifications subject to change without notice. Location CAUTION ! PERSONAL INJURY AND/OR PROPERTY DAMAGE HAZARD Improper use or installation of this furnace may result in premature furnace component failure. Unless otherw...
Page 9 - Figure 3; FIRE, INJURY OR DEATH HAZARD; Figure 4
INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)9MXT, (F/G)9MXE 440 01 4005 05 9 Specifications subject to change without notice. The following types of furnace installations may require OUTDOOR AIR for combustion due to chemical exposures: Commercial buildings Buildings with indoor pools Laundry ...
Page 10 - Figure 5; Location Relative to Cooling; Non
INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)9MXT, (F/G)9MXE 10 440 01 4005 05 Specifications subject to change without notice. WARNING ! FIRE HAZARD Failure to follow this warning could result in personal injury, death and/or property damage.Do not install the furnace on its back or hang furnace wit...
Page 11 - Outdoor Combustion Air Method; Indoor Combustion Air
INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)9MXT, (F/G)9MXE 440 01 4005 05 11 Specifications subject to change without notice. Outdoor Combustion Air Method 1. Provide the space with sufficient air for proper combustion, ventilation, and dilution of flue gases using permanent horizontal or vertical ...
Page 12 - Combination of Indoor and Outdoor Air; Table 3
INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)9MXT, (F/G)9MXE 12 440 01 4005 05 Specifications subject to change without notice. Combination of Indoor and Outdoor Air 1. Indoor openings shall comply with the Indoor Combustion Air Method below and, 2. Outdoor openings shall be located as required in th...
Page 13 - Figure 6; Figure 7; CONDENSATE TRAP; Figure 8; Condensate Trap; Figure 9; Figure 9
INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)9MXT, (F/G)9MXE 440 01 4005 05 13 Specifications subject to change without notice. Figure 6 Air for Combustion, Ventilation, and Dilution for Outdoors *Minimum dimensions of 3‐in. (76mm) NOTE : Use any of the following combinations of openings: A & B, ...
Page 15 - Downflow Trap Configuration
INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)9MXT, (F/G)9MXE 440 01 4005 05 15 Specifications subject to change without notice. Downflow Trap Configuration A11587LB Install the two plugs previously removed on the open ports of the collector box. Connect relief tube to port on collector box. Rotate el...
Page 16 - Horizontal Right Trap Configuration (continued)
INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)9MXT, (F/G)9MXE 16 440 01 4005 05 Specifications subject to change without notice. Figure 10 Unconverted Factory Configuration as viewed in the Horizontal Right Orientation A11573LA Remove plug from collector box. DO NOT DISCARD. If alternate vent position...
Page 17 - Horizontal Left Trap Configuration (continued)
INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)9MXT, (F/G)9MXE 440 01 4005 05 17 Specifications subject to change without notice. Figure 11 Unconverted Factory Configuration as viewed in the Horizontal Left Orientation A11574LA If alternate vent positionis required, loosen clamp on vent elbow inlet. Re...
Page 18 - Condensate Drain Connection; FROZEN AND BURST WATER PIPE HAZARD; PROPERY DAMAGE HAZARD; Upflow/Downflow Orientation; For Right Side Condensate Drain:; TIPS FROM CONTRACTORS:; Knockout Removal; CUT HAZARD
INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)9MXT, (F/G)9MXE 18 440 01 4005 05 Specifications subject to change without notice. Condensate Drain Connection CAUTION ! FROZEN AND BURST WATER PIPE HAZARD Failure to protect against the risk of freezing may result inproperty damage.Special precautions MUS...
Page 19 - For Left Side Condensate Drain Connection:; Horizontal Orientation
INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)9MXT, (F/G)9MXE 440 01 4005 05 19 Specifications subject to change without notice. For Left Side Condensate Drain Connection: 1. For left side condensate drainage, the drain line is routed from the condensate trap, behind the inducer (upflow) or gas valve ...
Page 20 - Example of Field Drain Attachment; ï ï
INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)9MXT, (F/G)9MXE 20 440 01 4005 05 Specifications subject to change without notice. Figure 13 Example of Field Drain Attachment (NOT ALLOWED) A14532A + + + Condensing Furnace - - - - - Evaporator Coil + + + < + < + < + + Blower - + = Positive press...
Page 21 - INSTALLATION; accordance with ASHRAE Standard 193.
INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)9MXT, (F/G)9MXE 440 01 4005 05 21 Specifications subject to change without notice. Example of Field Drain Attachment cont. + + + Condensing Furnace - - - - - ÄÄÄÄÄÄÄÄÄ ÄÄÄÄÄÄÄÄÄ ÄÄÄÄÄÄÄÄÄ ÄÄÄÄÄÄÄÄÄ ÄÄÄÄÄÄÄÄÄ ÄÄÄÄÄÄÄÄÄ ÄÄÄÄÄÄÄÄÄ Evaporator Coil + + + < +...
Page 22 - UPFLOW INSTALLATION; Furnace Pitch Requirements; Supply Air Connections; FIRE HAZARD; Bottom Return Air Inlet; Removing Bottom Closure Panel; Side Return Air Inlet
INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)9MXT, (F/G)9MXE 22 440 01 4005 05 Specifications subject to change without notice. UPFLOW INSTALLATION NOTE : The furnace must be pitched as shown in Figure 19 for proper condensate drainage. Figure 19 Furnace Pitch Requirements LEVEL 0-IN. (0 MM) TO1/2-IN...
Page 23 - Leveling Legs; DOWNFLOW INSTALLATION; Floor and Plenum Opening; Return Air Connections
INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)9MXT, (F/G)9MXE 440 01 4005 05 23 Specifications subject to change without notice. Leveling Legs (If Desired) In upflow position with side return inlet(s), leveling legs may be used. (See Figure 22 ) Install field − supplied, 5/16 x 1 − 1/2 − in. (8 x 38 m...
Page 24 - HORIZONTAL INSTALLATION; POISONING HAZARD; Failure to follow this warning could result in personal; MINOR PROPERTY HAZARD; Suspended Furnace Support; Table 1; Duct Flanges; UPFLOW
INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)9MXT, (F/G)9MXE 24 440 01 4005 05 Specifications subject to change without notice. when bottom return air is used. To remove bottom closure panel, see Figure 21 and Figure 20. HORIZONTAL INSTALLATION NOTE : The furnace must be pitched forward as shown in F...
Page 25 - Table 5; Installed on a Combustible Floor
INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)9MXT, (F/G)9MXE 440 01 4005 05 25 Specifications subject to change without notice. Table 5 Opening Dimensions − in. (mm) FURNACE CASING WIDTH IN. (mm) APPLICATION PLENUM OPENING FLOOR OPENING A B C D 14–3/16 (360) Upflow Applications on Combustible or Nonc...
Page 26 - Suspended Furnace Installation; Working Platform for Attic Installation
INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)9MXT, (F/G)9MXE 26 440 01 4005 05 Specifications subject to change without notice. Figure 27 Suspended Furnace Installation A150581 2-IN. (51 mm) COMBUSTION-AIR PIPE(SEE VENTING SECTION) Install 12” x 22” (204 x 559 mm) sheet metal in front of and above th...
Page 27 - Filter Arrangement; FIRE, CARBON MONOXIDE AND POISONING; Table 9; Table 6; Filter and Return Duct Sizing; Table 7
INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)9MXT, (F/G)9MXE 440 01 4005 05 27 Specifications subject to change without notice. Roll − Out Protection Provide a minimum 12 − in. x 22 − in. (305 x 559 mm) piece of sheet metal for flame roll − out protection in front of burner area for furnaces closer t...
Page 28 - for a comparison of Pressure Drop (initial/clean; Table 8; Representative estimates from filter manufacturer data sheets.
INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)9MXT, (F/G)9MXE 28 440 01 4005 05 Specifications subject to change without notice. Table 7 Filter Media Pressure Drop (Clean) Versus Airflow - in. w.c. (Pa) 14 x 25 Filter Factory-Accy Washable Representative After-Market Filter Media* Fiberglass* Pleated*...
Page 29 - External Filter Cabinet Configurations
INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)9MXT, (F/G)9MXE 440 01 4005 05 29 Specifications subject to change without notice. Figure 29 Downflow Return Air Configurations and Restrictions L10F033 Figure 30 Upflow Return Air Configurations and Restrictions L10F032 Figure 31 Horizontal Return Air Con...
Page 30 - Accessory Side Filter Rack; Air Ducts; General Requirements; The Air; Service and Technical Support Manual; Return Duct Sizing; GAS PIPING; FIRE OR EXPLOSION HAZARD
INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)9MXT, (F/G)9MXE 30 440 01 4005 05 Specifications subject to change without notice. Figure 33 Accessory Side Filter Rack L10F027 FURNACE FILTER FRAME DOOR FILTER TABS OPENING TABS (TYP.) OPENING 1 1 4” / 23 ⅛ ” (59 cm) 25 ⅛ ” (64 cm) ⅜ ” (1 cm) ½ ” (1.3 cm)...
Page 32 - Gas Valves; Gas Pipe Grommet; Gas Entry; NOTE: Top plate may be field drilled for
INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)9MXT, (F/G)9MXE 32 440 01 4005 05 Specifications subject to change without notice. Figure 35 Gas Valves Automatic Gas Valve (Two − Stage) ON/OFF Switch Regulator Seal Cap Regulator Adjustment Regulator Seal Cap under Cap 1/2” NPT Outlet 1/8” NPT Manifold P...
Page 33 - ELECTRICAL CONNECTIONS; V Wiring
INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)9MXT, (F/G)9MXE 440 01 4005 05 33 Specifications subject to change without notice. ELECTRICAL CONNECTIONS ELECTRICAL SHOCK, FIRE OR EXPLOSION HAZARD Failure to follow safety warnings could result in dangerous operation, serious injury, death or property da...
Page 34 - Box Installation
INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)9MXT, (F/G)9MXE 34 440 01 4005 05 Specifications subject to change without notice. Figure 38 Heating and Cooling Application Single − Stage Wiring Diagram A11387 115-V FIELD- SUPPLIED DISCONNECT AUXILIARYJ-BOX 24-V TERMINAL BLOCK THREE-WIRE HEATING-ONLY FI...
Page 35 - Optional J; Box Bracket Installation
INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)9MXT, (F/G)9MXE 440 01 4005 05 35 Specifications subject to change without notice. Figure 39 Optional J − Box Locations Representative drawing only, some models may vary in appearance. L12F024 OPTIONAL J − BOX LOCATIONS Figure 40 J − Box Bracket Installati...
Page 36 - Field; MONOXIDE POISONING HAZARD; Accessories
INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)9MXT, (F/G)9MXE 36 440 01 4005 05 Specifications subject to change without notice. 8. Connect any code required external disconnect(s) to field power wiring. 9. Connect field power and neutral leads to furnace power leads inside the external electrical box...
Page 37 - Alternate Power Supplies; Isolation Relay for Humidifiers with Internal Power Supply
INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)9MXT, (F/G)9MXE 440 01 4005 05 37 Specifications subject to change without notice. Connect an accessory 24 VAC, 0.5 amp. Maximum (if used) to the 1/4 − in. male quick − connect HUM 24 VAC terminal and C screw terminal on the control board thermostat strip....
Page 38 - Table 11 Electrical Data; Example of Two
INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)9MXT, (F/G)9MXE 38 440 01 4005 05 Specifications subject to change without notice. Table 11 Electrical Data (F/G)9MXT TWO − STAGE, ECM BLOWER FURNACES UNIT SIZE VOLTS − HERTZ − PHASE OPERATING VOLTAGE RANGE* MAXIMUM UNIT AMPS UNIT AMPACITY# MINIMUM WIRE SI...
Page 39 - Example of Single Stage Furnace Control for ECM Blower Motor; VENTING; DO NOT; Special Venting Requirements for Installations; must; Consignes spéciales pour l’installation de; doit
INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)9MXT, (F/G)9MXE 440 01 4005 05 39 Specifications subject to change without notice. Figure 44 Example of Single Stage Furnace Control for ECM Blower Motor − (F/G)9MXE L11F075 ÏÏÏÏ ÏÏÏÏ ÏÏÏÏ ÏÏÏÏ TWINNING AND/OR COMPONENT TEST TERMINAL P1 ï LOW VOLTAGE MAIN ...
Page 40 - Canada; Venting Systems; CARBON MONOXIDE POISONING HAZARD
INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)9MXT, (F/G)9MXE 40 440 01 4005 05 Specifications subject to change without notice. L’apprêt GVS-65 (Purple) et le ciment-solvant GVS-65 doivent être utilisé avec les Royal Pipe. Système IPEX 636, apprêt PVC/CPVC, Purple pour évacuation des gaz de combustio...
Page 41 - Vent Termination Kit for Direct; RECOMMENDED SUPPORT FOR VENT TERMINATIONS; Pipe System; OPTIONAL CONFIGURATION FOR COMBUSTION AIR IN-; Ventilated Combustion Air Systems; OPTIONAL VENTING BELOW THE FURNACE
INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)9MXT, (F/G)9MXE 440 01 4005 05 41 Specifications subject to change without notice. Table 12 Vent Termination Kit for Direct Vent (2 − Pipe) Systems Direct Vent (2 − Pipe) Termination Kit Termination System Diam. Of Combustion Air and Vent Pipes in.(mm) 2 −...
Page 42 - MATERIALS; Vent Coupling and Adapter with; Vent Pipe Flush with Adaptor
INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)9MXT, (F/G)9MXE 42 440 01 4005 05 Specifications subject to change without notice. MATERIALS Table 13 Approved Combustion-Air and Vent Pipe, Fitting and Cement Materials (U.S.A. Installation) USA 1. All pipe, fittings, primers*, and solvents* must conform ...
Page 43 - Vent Pipe Flush Showing Coupling; Locating the Vent Termination; Inside Corner Terminations
INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)9MXT, (F/G)9MXE 440 01 4005 05 43 Specifications subject to change without notice. Figure 47 Vent Pipe Flush Showing Coupling ALIGN NOTCHES IN VENT PIPE COUPLING OVER STAND − OFF ON ADAPTER. TORQUE LOWER CL AMP 15 LB − IN. WHEN REMAINING VENT PIPE IS INSTA...
Page 44 - Inside Corner Termination
INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)9MXT, (F/G)9MXE 44 440 01 4005 05 Specifications subject to change without notice. Figure 48 Inside Corner Termination Clearance distances for items greater than 3 feet (1 meter ) away from the inside corner, refer to the Inside Corner Clearance Table. No ...
Page 45 - Canadian Installations:; Tee at Termination Outlet
INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)9MXT, (F/G)9MXE 440 01 4005 05 45 Specifications subject to change without notice. Direct Vent / 2 − Pipe System Direct vent (2 − pipe) vent and combustion air pipes must terminate outside the structure. See Figure 65 for references to vent clearances requ...
Page 46 - Sample Inlet Air Pipe Connection; EXAMPLE FOR; Vent Terminations
INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)9MXT, (F/G)9MXE 46 440 01 4005 05 Specifications subject to change without notice. Figure 50 Sample Inlet Air Pipe Connection for Polypropylene Venting Systems EXAMPLE FOR UPFLOW INSTALLATIONS. MAY BE APPLIED TO OTHER CONFIGURATIONS. A12220 Figure 51 Vent ...
Page 47 - Combustion Air and Vent Pipe Termination for Direct Vent (2; Vent Pipe Termination for Non
INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)9MXT, (F/G)9MXE 440 01 4005 05 47 Specifications subject to change without notice. Figure 52 Combustion Air and Vent Pipe Termination for Direct Vent (2 − Pipe) System L12F044 A A 0 90 A Vertical separation between combustion air and vent8 ¾ in. (222mm) fo...
Page 48 - Combustion; Combustion Air Inlet Moisture Trap
INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)9MXT, (F/G)9MXE 48 440 01 4005 05 Specifications subject to change without notice. Size the Vent and Combustion Air PipesGeneral Vent and Combustion Air Pipe Diameters Approved Two − Pipe Termination Fittings Allowable Concentric Vent Kit 1 − 1/2 − in. (38...
Page 49 - shorter
INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)9MXT, (F/G)9MXE 440 01 4005 05 49 Specifications subject to change without notice. The measured length of pipe used in a single or 2 − pipe termination is included in the total vent length. Include deductions from the Maximum Equivalent Vent Length (MEVL) ...
Page 50 - Recommended Combustion Air Inlet Moisture Trap; Combustion Air and Vent Piping Insulation
INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)9MXT, (F/G)9MXE 50 440 01 4005 05 Specifications subject to change without notice. Figure 55 Recommended Combustion Air Inlet Moisture Trap Representative drawing only, some models may vary in appearance. TO CODE − APPROVED DRAIN OR CONDENSATE PUMP Tee Dry...
Page 51 - Configure the Furnace; Near Furnace Vent Connections; Install the Vent and Combustion Air Pipes; Inducer Vent Elbow
INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)9MXT, (F/G)9MXE 440 01 4005 05 51 Specifications subject to change without notice. Configure the Furnace WARNING ! CARBON MONOXIDE POISONING HAZARD Failure to follow this warning could result in personal injury or death.To route the vent pipe and combustio...
Page 52 - Upflow Configurations
INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)9MXT, (F/G)9MXE 52 440 01 4005 05 Specifications subject to change without notice. Figure 58 Upflow Configurations A11309 Representative drawing only, some models may vary in appearance. UPFLOW LEFT − VENT CONFIGURATION A11308 Representative drawing only, ...
Page 53 - Horizontal Left Configurations
INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)9MXT, (F/G)9MXE 440 01 4005 05 53 Specifications subject to change without notice. Figure 60 Horizontal Left Configurations HORIZONTAL LEFT − VERTICAL VENT CONFIGURATION Representative drawing only, some models may vary in appearance. HORIZONTAL LEFT − LEF...
Page 54 - Installing the Vent Pipe Adapter and
INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)9MXT, (F/G)9MXE 54 440 01 4005 05 Specifications subject to change without notice. NOTES: 1. Attach vent pipe adapter with gasket to furnace casing.2. Align notches in rubber coupling over standoffs on adapter. Slide clamps over the coupling. 3. Slide vent...
Page 55 - Hanger Spacing; Optional Installation of the Vent Pipe; FOR POLYPROPYLENE VENTING SYSTEMS
INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)9MXT, (F/G)9MXE 440 01 4005 05 55 Specifications subject to change without notice. Hanger Spacing Diameter Material PVC Sch 40 SDR 21 & 26 ABS CPVC Polypropylene 1 1/2 − in. 3 − ft. 2 1/2 − ft. 3 − ft. 3 − ft. 3.25 − ft. 38 − mm 914 − mm 762 − mm 914 −...
Page 56 - Combustion Air Pipe; Installing the Vent Termination; Sidewall Terminations
INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)9MXT, (F/G)9MXE 56 440 01 4005 05 Specifications subject to change without notice. Figure 62 Combustion Air Pipe 12" (256mm) minimum to60”(1524 mm) or1 additional elbow maximum CASING SIDE OR TOP ATTACHMENT COMBUSTION AIR PIPE (NON-DIRECT VENT FOR ALL ...
Page 57 - Inducer Outlet Restrictor; Failure to use an outlet restrictor on the 40K model when
INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)9MXT, (F/G)9MXE 440 01 4005 05 57 Specifications subject to change without notice. 1. Cut two holes, one for each pipe, of appropriate size for pipe size being used. 2. Loosely install elbow in bracket (if used) and place assembly on combustion − air pipe....
Page 58 - Crawl Space Vent Termination; ATTIC
INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)9MXT, (F/G)9MXE 58 440 01 4005 05 Specifications subject to change without notice. Figure 63 Crawl Space Vent Termination 3” (76 mm) 12” (305 mm) Pipe hangar Ventilated Combustion Air intake termination in crawl space Ventilated Combustion Air intake pipe ...
Page 59 - Direct Vent Termination Clearance
INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)9MXT, (F/G)9MXE 440 01 4005 05 59 Specifications subject to change without notice. Figure 65 Direct Vent Termination Clearance V V 25 − 24 − 65 − 2 NOTE: The following is based upon National codes for gas appliances, and is provided as a reference.Refer to...
Page 60 - Other than Direct Vent Clearance
INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)9MXT, (F/G)9MXE 60 440 01 4005 05 Specifications subject to change without notice. Figure 66 Other than Direct Vent Clearance − Ventilated Combustion Air Option V V 25 − 24 − 65 − 2 NOTE: The following is based upon National codes for gas appliances, and i...
Page 62 - DEDUCTIONS FROM MAXIMUM EQUIVALENT VENT LENGTH; Use only the smallest diameter pipe possible for venting. Over; Elbows Configurations; Vent Terminal Configurations
INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)9MXT, (F/G)9MXE 62 440 01 4005 05 Specifications subject to change without notice. Table 15 DEDUCTIONS FROM MAXIMUM EQUIVALENT VENT LENGTH - Feet (Meters) Pipe Diameter (in): 11/2 2 21/2 3 4 Mitered 90º Elbow 8 (2.4) 8 (2.4) 8 (2.4) 8 (2.4) 8 (2.4) Mediu...
Page 63 - Venting System Length Calculations
INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)9MXT, (F/G)9MXE 440 01 4005 05 63 Specifications subject to change without notice. Venting System Length Calculations The Total Equivalent Vent Length for EACH combustion air or vent pipe equals the length of the venting system, plus the equivalent length ...
Page 64 - Maximum Allowable Exposed Vent Lengths Tables; Not all families have these models
INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)9MXT, (F/G)9MXE 64 440 01 4005 05 Specifications subject to change without notice. Table 16 Maximum Allowable Exposed Vent Lengths Tables Maximum Allowable Exposed Vent Length in Unconditioned Space (Feet) Winter Design Temp °F Unit Size 26,000* BTUH 40,00...
ICP T4H330GKE100
User Manual
ICP FEM4X3600A1
User Manual
ICP N4A330AKB100
User Manual