Table of Contents
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INSTALLATION INSTRUCTIONS
35" Tall High Efficiency Condensing Gas Furnace
These instructions must be read and understood completely before attempting installation.
DANGER, WARNING, CAUTION, and NOTE
The
signal
words
CAUTION, and NOTE are used to identify levels of
hazard seriousness. The signal word DANGER is
only used on product labels to signify an immediate
hazard. The signal words WARNING, CAUTION,
and NOTE will be used on product labels and
throughout this manual and other manual that may
apply to the product.
DANGER − Immediate hazards which will result in
severe personal injury or death.
WARNING − Hazards or unsafe practices which
could result in severe personal injury or death.
CAUTION − Hazards or unsafe practices which
may result in minor personal injury or product or
property damage.
NOTE − Used to highlight suggestions which will
result in enhanced installation, reliability, or
operation.
TABLE OF CONTENTS
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Portions of the text and tables are reprinted from NFPA 54 /ANSI Z223.1−2009©, 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.
Printed in U.S.A.
Modulating, Variable Speed Motor
(F/G)9MAC
Safety Labeling and Signal Words
DANGER,
WARNING,
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Signal Words in Manuals
The signal word WARNING is used throughout
this manual in the following manner:
WARNING
!
The signal word CAUTION is used throughout
this manual in the following manner:
CAUTION
!
Signal Words on Product Labeling
Signal words are used in combination with
colors and/or pictures or product labels.
Safety−alert symbol
When you see this symbol on the unit and in
instructions or manuals, be alert to the
potential for personal injury.
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INSTALLER: Affix these instructions on or adjacent to the
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furnace.
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CONSUMER:
Retain
reference.
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Use of the AHRI Certified TM Mark indicates a
manufacturer's participation in the program.
For verification of certification for individual
products, go to www.ahridirectory.org .
these
instructions
440 01 4201 01
Sept. 2011
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for
future
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Table of Contents
Related Manuals for Tempstar F9MAC
Summary of Contents for Tempstar F9MAC
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Page 1: Table Of Contents
INSTALLATION INSTRUCTIONS Modulating, Variable Speed Motor 35” Tall High Efficiency Condensing Gas Furnace (F/G)9MAC These instructions must be read and understood completely before attempting installation. Safety Labeling and Signal Words DANGER, WARNING, CAUTION, and NOTE Signal Words in Manuals signal words DANGER, WARNING,... - Page 2 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) For all side wall horizontally vented gas fueled equipment installed in every dwelling, building or structure used in whole or in part for residential purposes, including those owned or operated by the Commonwealth and where the side wall exhaust vent termination is less than seven (7) feet above finished grade in the area of the venting, including but not limited to decks and porches, the following requirements shall be satisfied: INSTALLATION OF CARBON MONOXIDE DETECTORS.
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Page 3: Safety Considerations
INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)MAC Safety Considerations CAUTION WARNING CUT HAZARD Failure to follow this caution may result in personal injury. FIRE, EXPLOSION, ELECTRICAL SHOCK, AND CARBON MONOXIDE POISONING HAZARD Sheet metal parts may have sharp edges or burrs. Use Failure to follow this warning could result in dangerous care and wear appropriate protective clothing, safety operation, personal injury, death, or property damage. -
Page 4: Introduction
INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)MAC Maintain a 1−in. (25 mm) clearance from combustible Freeze Protection and Return Air Figure 1 materials to supply air ductwork for a distance of 36−in. Temperature (914 mm) horizontally from the furnace. See NFPA 90B or local code for further requirements. -
Page 5: Electrostatic Discharge (Esd) Precautions Procedure
INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)MAC Duct Systems Disconnect all power to the furnace. Multiple disconnects may be required. DO NOT TOUCH THE US and CANADA: Air Conditioning Contractors CONTROL OR ANY WIRE CONNECTED TO THE CONTROL PRIOR TO DISCHARGING YOUR BODY’S Association (ACCA) Manual D, Sheet Metal and Air ELECTROSTATIC CHARGE TO GROUND. -
Page 6: Dimensions
INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)MAC Figure 2 Dimensions (F/G9MAC) SHIP WT. BOTTOM LB (KG) CABINET WIDTH OUTLET WIDTH AIR INTAKE FURNACE SIZE INLET WIDTH 60,000 17−1/2 (445) 15−7/8 (403) 16 (406) 8 3/4 (222) 154 (69) 80,000 17−1/2 (445) 15−7/8 (403) 16 (406) 8 3/4 (222) 164 (73) -
Page 7: Location
INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)MAC Location • be located close to the chimney or vent and attached to an air distribution system. Refer to Air Ducts section. CAUTION • be provided ample space for servicing and cleaning. Always comply with minimum fire protection clearances shown in Table 1 or on the furnace clearance to combustible construction label. - Page 8 INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)MAC Figure 3 Multipoise Orientations THE BLOWER IS LOCATED BELOW THE BURNER SECTION, AND CONDITIONED AIR IS DISCHARGED UPWARD. THE BLOWER IS LOCATED TO THE RIGHT OF THE BURNER SECTION, AND AIR CONDITIONED AIR IS DISCHARGED TO THE LEFT. THE BLOWER IS THE BLOWER IS LOCATED TO THE LEFT...
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Page 9: Location Relative To Cooling Equipment
INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)MAC Location Relative to Cooling WARNING Equipment CARBON MONOXIDE POISONING HAZARD The cooling coil must be installed parallel with, or on the Failure to follow this warning could result in personal downstream side of the unit to avoid condensation in the heat exchangers. -
Page 10: Condensate Trap
INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)MAC d. TWO OPENINGS OR VERTICAL DUCTS require 1 b. Not less than the sum of the areas of all vent square inch (25.4 square mm)of free area per 4,000 connectors in the space. Btuh (550 mm /kW) for combined input of all gas The opening shall commence within 12-in. - Page 11 INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)MAC Figure 7 Upflow Trap Configuration Vent Pipe Clamp Vent Elbow Clamp Condensate Trap Relief Port Collector Box Vent Elbow Plugs Collector Box Plug Condensate Trap Relief Port Condensate Trap Pressure Switch Outlet Port Representative drawing only, some models may vary in appearance. A11306 To Relocate the Condensate Trap: 12.
- Page 12 INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)MAC Figure 8 Unconverted Factory Configuration as viewed in the Downflow orientation Remove pressure switch tube from front of pressure switch. Remove relief tube from relief port on condensate trap. Remove tube from Remove trap from relief port.
- Page 13 INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)MAC 10. Remove the trap. Figure 9 Drain Trap Grommet Horizontal Left only: 1. Remove the relief tube from of the port on the collector box. It is not necessary to remove the hose from the inducer assembly.
- Page 14 INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)MAC Figure 10 Unconverted Factory Configuration as viewed in the Horizontal Left orientation Remove trap from collector box. If alternate vent position is required, loosen clamp Remove relief tube on vent elbow inlet. from relief port on condensate trap.
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Page 15: Condensate Drain Protection
INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)MAC Figure 11 Unconverted Factory Configuration as viewed in the Horizontal Right orientation Remove plug from collector box. DO NOT DISCARD. If alternate vent position is required, loosen clamp on inlet of vent elbow. Remove trap from collector box. - Page 16 INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)MAC 6. Remove the formed grommet on the tube by cutting the Figure 12 Example of Field Drain Attachment tube along the vertical line located about 1−in. away from the formed grommet. (See Figure 13) Figure 13 Modify Drain Tube OPEN STAND PIPE FOR...
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Page 17: Installation
INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)MAC 12. If the “Z” pipe does not extend through the casing, slide a 7. Slide the other spring clamp down the plain end of the piece of field supplied CPVC through the grommet in the drain tube. -
Page 18: Downflow Installation
INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)MAC Leveling Legs (If Desired) openings using light assistance or a probe can be inserted for sampling the air stream. The cover attachment shall prevent In upflow position with side return inlet(s), leveling legs may be leaks. -
Page 19: Return Air Connections
INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)MAC Connect supply−air duct to supply−air outlet on furnace. Bend Floor and Plenum Opening Figure 20 flange inward past 90_ with wide duct pliers (See Table 1 Dimensions Figure 21) The supply−air duct must be connected to ONLY the furnace supply outlet or air conditioning coil casing (when used). -
Page 20: Horizontal Installation
INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)MAC Table 5 Opening Dimensions − in. (mm) FURNACE PLENUM OPENING FLOOR OPENING CASING WIDTH APPLICATION IN. (mm) Upflow Applications on Combustible or Noncombustible Flooring 21−5/8 16−5/8 22−1/4 (subbase not required) (406) (549) (422) (565) Downflow Applications on Noncombustible Flooring 15−7/8 16−1/2 19−5/8... -
Page 21: Suspended Furnace Support
INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)MAC Suspended Furnace Support WARNING The furnace may be supported under the entire length of the furnace with threaded rod and angle iron. (See Figure 24) FIRE, EXPLOSION, AND CARBON MONOXIDE Secure angle iron to bottom of furnace as shown. POISONING HAZARD Platform Furnace Support Failure to follow this warning could result in personal... -
Page 22: Supply Air Connections
INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)MAC Figure 25 Working Platform for Attic Installation COMBUSTION − AIR PIPE (SEE VENTING SECTION) 2−in. (51 mm) ROLLOUT PROTECTION REQUIRED Install 1.2” x 22” (305 x 559 mm) sheet metal in front of burner compartment area. -
Page 23: Filter Arrangement
INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)MAC Filter Arrangement Downflow Return Air Figure 26 Configurations and Restrictions WARNING FIRE, CARBON MONOXIDE AND POISONING HAZARD Failure to follow this warning could result in personal injury, or death. Never operate a furnace without a filter or filtration device installed. - Page 24 INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)MAC External Filter Cabinet Configurations Figure 30 Accessory Bottom Filter Rack Figure 29 Accessory Side Filter Rack FURNACE FILTER FRAME L10F031 DOOR TABS FILTER L10F027 2” 8” TABS 4” (TYP.) 8” 8” 4” 4” 22−5/16 (566.4) 28−7/16 (722.2) 8”...
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Page 25: Air Ducts
INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)MAC Air Ducts WARNING General Requirements FIRE OR EXPLOSION HAZARD The duct system should be designed and sized according to Failure to follow this warning could result in personal accepted national standards such as those published by: Air injury, death, and/or property damage. - Page 26 INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)MAC Table 8 Maximum Capacity of Pipe Redundant Automatic Control Figure 32 Valve (Modulating) LENGTH OF PIPE − FT (M) NOMINAL INTERNAL IRON PIPE MODULATING DIA. SIZE (15.2 ON/OFF Switch IN. (MM) (3.0) (6.0) (9.1) (12.1) IN.
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Page 27: Electrical Connections
INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)MAC 115−V Wiring Figure 33 Gas Entry Furnace must have a 115-v power supply properly connected Left Side Gas Entry. Gas Pipe and grounded. Gas Pipe Grommet Required Grommet Required For Direct For Direct Vent Applications NOTE: Proper polarity must be maintained for 115-v wiring. - Page 28 INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)MAC The J−Box cover, mounting bracket and screws are shipped in be mounted on the left or right side of the casing, as viewed the loose parts bag included with the furnace. The J−Box can from the upflow position. (See Figure 35) Figure 34 Typical 2−Stage Field Wiring Diagram FIELD 24-VOLT WIRING...
- Page 29 INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)MAC Attach furnace J−Box cover to mounting bracket with 5. Connect field power and neutral leads to furnace power screws supplied in loose parts bag. Do not pinch wires leads. as shown in Figure 34. between cover and bracket. 6.
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Page 30: Alternate Power Supplies
INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)MAC Refer instructions supplied with Power from an alternate power supply that non-sinusoidal may communicating wall control for complete details. damage the furnace or cause erratic furnace operation. Alternate Power Supplies Contact alternate power supply manufacturer specifications and details. -
Page 31: Venting
INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)MAC Figure 39 (CONT.) Variable Speed Furnace Control for ECM Blower Motor (Modulating) COMMUNICATION CONTINUOUS FAN OUTDOOR SW4 SETUP CONNECTOR (CF) AIRFLOW AIR TEMP SWITCHES SETUP SWITCHES CONNECTOR MODEL PLUG PL8 - MODULATING CONNECTOR GAS VALVE CONNECTOR SW1 SETUP SWITCHES AND... -
Page 32: Direct Vent / 2−Pipe System
INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)MAC Bien suivre les indications du manufacturier lors de l’utilisation the current edition of National Fuel Gas Code NFPA 54/ANSI de l’apprêt et du ciment et ne pas utiliser ceux-ci si la date Z−223.1. In Canada, refer to CAN/CSA−B149.1 d’expiration est atteinte. - Page 33 INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)MAC crawl space) and the space is well isolated from the living U.S.A. Installations: Section 9.3 NFPA 54/ANSI Z223.1-2009, space or garage. Combustion air requirements for this option Air for Combustion and Ventilation and applicable provisions of are the same as the requirements for providing outside air for the local building codes.
- Page 34 INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)MAC Figure 41 Upflow Right Vent Any other unused knockout may be used for combustion air connection. Rotate vent elbow to required position. Attach vent pipe adapter with gasket to furnace casing. Align notches in rubber coupling over standoffs on adapter. Slide clamps over the coupling. Slide vent pipe through adapter and coupling into vent elbow.
- Page 35 INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)MAC Figure 43 Downflow Left Vent Rotate vent elbow to required position. Attach vent pipe adapter with gasket to furnace casing. Align notches in rubber coupling over standoffs on adapter. Slide clamps over the coupling. Slide vent pipe through adapter and coupling into vent elbow. Insert vent pipe into vent elbow.
- Page 36 INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)MAC Figure 45 Downflow Vertical Vent Figure 47 Vent Pipe Flush with Adaptor VENT PIPE ADAPTER WITH GASKET INSTALLED ON FURNACE VENT PIPE IS CUT FLUSH WITH TOP OF ADAPTER. Figure 48 Vent Pipe Flush Showing Coupling ALIGN NOTCHES IN VENT PIPE COUPLING OVER STAND−OFF ON ADAPTER.
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Page 37: Termination Requirements For The Provinces Of Alberta And Saskatchewan
INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)MAC Locating the Vent Termination Termination Requirements for the Provinces of Alberta and Saskatchewan General The Provinces of Alberta and Saskatchewan require a NOTE: Termination Requirements for the Provinces of minimum unobstructed distance of 4 ft. (1.2m) from the Alberta and Saskatchewan are located at the end of this foundation to the property line of the adjacent lot for vent section. - Page 38 INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)MAC Figure 51 Vent Terminations Figure 51 (CONT.) Vent Terminations Figure 52 Combustion Air and Vent Pipe Termination for Direct Vent (2−Pipe) System Roof T e rm ination (Pref erred) At least 36 in. (914mm) Concent ri c V ent and Comb ustion Ai r Roof T er mination (pre fe rred) V e r tical separation between comb ustion...
- Page 39 INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)MAC Figure 53 Vent Pipe Termination for Non−Direct Vent and Ventilated Combustion Air System Roof Termination (Preferred) Vent Maintain 12 in (305mm) minimum clearance above highest anticipated snow level maximum of 24 in. (610mm) above roof Abandoned masonry used as raceway (per code)
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Page 40: Configure The Furnace
INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)MAC Configure the Furnace Figure 55 Horizontal Left Vent Configuration WARNING CARBON MONOXIDE POISONING HAZARD Failure to follow this warning could result in personal injury or death. To route the vent pipe and combustion air pipe through the furnace, the manufacturer supplied kit must be used. - Page 41 INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)MAC Installing the Vent Pipe Adapter and Figure 56 Horizontal Right Vent Configuration Combustion Air Pipe Adapter WARNING CARBON MONOXIDE POISONING HAZARD Failure to follow this warning could result in personal injury or death. To route the vent pipe and combustion air pipe through the furnace, the manufacturer supplied kit must be used.
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Page 42: Installing The Vent Termination
INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)MAC 13. While cement is still wet, twist pipe into socket with 2-pipe or single pipe vent systems, a flashing for each pipe of 1/4−in. turn. Be sure pipe is fully inserted into fitting the required diameter will be necessary. socket. - Page 43 INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)MAC NOTE: For applications using vent pipe option indicated by next vent termination must be at least 36−in. (914 mm) away dashed lines in Figure 52 and Figure 53, rotate vent elbow 90_ from first two terminations. It is important that vent terminations be made as shown in Figure 52 to avoid recirculation of flue from position.
- Page 44 INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)MAC Figure 59 Direct Vent Termination Clearance Item Clearance Description Canadian Installation (1) U.S. Installation (2) Clearance above grade, veranda, porch, deck, balcony, or 12 in. (305 mm). 18 in. (457mm) above roof surface 12 in. (305 mm) anticipated snow level 12 in.
- Page 45 INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)MAC Figure 60 Other than Direct Vent Clearance − Ventilated Combustion Air Option U.S. Installation (2) Item Clearance Descriptions Canadian Installation (1) Clearance above grade, veranda, porch, deck, balcony, or 12 in. (305 mm), 18 in. (457 mm) above roof surface 12 in.
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Page 46: Maximum Equivalent Vent Lenth - Feet (Meters)
INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)MAC Table 12 MAXIMUM EQUIVALENT VENT LENTH - Feet (Meters) Note: Maximum Equivalent Vent Length (MEVL) does NOT include elbows or terminations Use Table 14 − DEDUCTIONS FROM MEVL to determine allowable vent length for each application. DIRECT VENT (2-PIPE) AND VENTILATED COMBUSTION AIR Altitude Unit Size... -
Page 47: Maximum Allowable Exposed Vent Lengths In Unconditioned Space
INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)MAC Table 14 DEDUCTIONS FROM MAXIMUM EQUIVALENT VENT LENGTH - Feet (Meters) Pipe Diameter (in): 1-1/2 2-1/2 Mitered 90° Elbow (2.4) (2.4) (2.4) Medium Radius 90° Elbow (1.5) (1.5) (1.5) Long Radius 90° Elbow (0.9) (0.9) (0.9) (0.9) (0.9)