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INSTALLATION MANUALRESIDENTIAL GAS FURNACEEFFICIENCYRATINGCERTIFIEDMODELS: TG9S*MP, GG9S*MPISO 9001Certified QualityManagement System(95.5% AFUE Single Stage Multi-position)LIST OF SECTIONSSAFETY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2DUCTWORK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5FILTERS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9GAS PIPING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10ELECTRICAL POWER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11TWINNING AND STAGING . . . . . . . . . . . . . . . . . . . . . . . . . . . 15CONDENSATE PIPING AND FURNACEVENTING CONFIGURATION . . . . . . . . . . . . . . . . . . . . . . . . . . 16COMBUSTION AIR and VENT SYSTEM . . . . . . . . . . . . . . . . .START-UP AND ADJUSTMENTS . . . . . . . . . . . . . . . . . . . . . .SAFETY CONTROLS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .NORMAL OPERATION AND DIAGNOSTICS . . . . . . . . . . . . .REPLACEMENT PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . .REPLACEMENT PART CONTACT INFORMATION . . . . . . . .WIRING DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22293535373738LIST OF FIGURESDuct Attachment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5Vertical Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6Coil Flange . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6Horizontal Right Application . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6Horizontal Left Application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6PC Series Upflow Coil Installation . . . . . . . . . . . . . . . . . . . . . . . . 7Horizontal Left or Right application (Right Shown) . . . . . . . . . . . 7Combustible Floor Base Accessory . . . . . . . . . . . . . . . . . . . . . . . 7Horizontal Application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7Typical Attic Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8Typical Suspended Furnace / Crawl Space Installation . . . . . . . 8Downflow Venting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9Side Return Cutout Markings . . . . . . . . . . . . . . . . . . . . . . . . . . 10Gas Valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10Gas Piping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10Electrical Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12Thermostat Chart - Single Stage AC withSingle Stage PSC Furnaces . . . . . . . . . . . . . . . . . . . . . . . . . . . 13Thermostat Chart - Single Stage HP withSingle Stage PSC Furnaces . . . . . . . . . . . . . . . . . . . . . . . . . . . 14Typical Twinned Furnace Application . . . . . . . . . . . . . . . . . . . . 15Single Wire Twinning Wiring Diagram . . . . . . . . . . . . . . . . . . . . 16Single Wire Staging Wiring Diagram . . . . . . . . . . . . . . . . . . . . . 16Typical. Condensate drain, vertical installation . . . . . . . . . . . . .Typical. Combustion Pipe Drain Tee . . . . . . . . . . . . . . . . . . . . .Upflow Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Downflow Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Horizontal Left Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . .Horizontal Right Configuration . . . . . . . . . . . . . . . . . . . . . . . . .Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Home Layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Termination Configuration - 1 Pipe . . . . . . . . . . . . . . . . . . . . . .Termination Configuration - 2 Pipe . . . . . . . . . . . . . . . . . . . . . .Termination Configuration - 2 Pipe Basement . . . . . . . . . . . . .Double Horizontal Combustion Air Intakeand Vent Termination . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Double Vertical Combustion Air Intakeand Vent Termination . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Direct Vent Air Intake Connection and Vent Connection . . . . . .Combustion Airflow Path Through The Furnace Casing . . . . . .Outside and Ambient Combustion Air . . . . . . . . . . . . . . . . . . . .Attic and Crawl Space Combustion Air Termination . . . . . . . . .Gas Valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Reading Gas Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Furnace Control Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Furnace Control Event Schedule . . . . . . . . . . . . . . . . . . . . . . .Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17171819202122242525252626262627283132323738LIST OF TABLESUnit Clearances to Combustibles . . . . . . . . . . . . . . . . . . . . . . . . 4Coil Projection Dimensions - PC Series Coils . . . . . . . . . . . . . . . 7Cabinet and Duct Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . 9Recommended Filter Sizes (High Velocity 600 FPM) . . . . . . . . . 9Nominal Manifold Pressure - High Fire . . . . . . . . . . . . . . . . . . . 11Ratings & Physical / Electrical Data . . . . . . . . . . . . . . . . . . . . . 12Maximum Equivalent Pipe Length . . . . . . . . . . . . . . . . . . . . . . . 22Elbow Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22Equivalent Length of Fittings . . . . . . . . . . . . . . . . . . . . . . . . . . . 23Combustion Air Intake and Vent ConnectionSize at Furnace (All Models) . . . . . . . . . . . . . . . . . . . . . . . . . . . 23Estimated Free Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Unconfined Space Minimum Area . . . . . . . . . . . . . . . . . . . . . . .Free Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Gas Rate (CU FT/HR) at Full Input . . . . . . . . . . . . . . . . . . . . . .Inlet Gas Pressure Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Nominal Manifold Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . .Blower Performance CFM - Any Position(without filter) - Bottom Return . . . . . . . . . . . . . . . . . . . . . . . . .Blower Performance CFM - Any Position(without filter) - Left Side Return . . . . . . . . . . . . . . . . . . . . . . . .2727273031313334364861-UIM-D-1209

364861-UIM-D-1209These high efficiency, compact units employ induced combustion, reliable hot surface ignition and high heat transfer aluminized tubular heatexchangers. The units are factory shipped for installation in upflow orhorizontal applications and may be converted for downflow applications.8.These furnaces are designed for residential installation in a basement,closet, alcove, attic, recreation room or garage and are also ideal forcommercial applications. All units are factory assembled, wired andtested to assure safe dependable and economical installation and operation.9.These units are Category IV listed and may not be common vented withanother gas appliance as allowed by the National Fuel Gas Code.SECTION I: SAFETYThis is a safety alert symbol. When you see this symbol onlabels or in manuals, be alert to the potential for personalinjury.Understand and pay particular attention to the signal words DANGER,WARNING, or CAUTION.DANGER indicates an imminently hazardous situation, which, if notavoided, will result in death or serious injury.WARNING indicates a potentially hazardous situation, which, if notavoided, could result in death or serious injury.CAUTION indicates a potentially hazardous situation, which, if notavoided may result in minor or moderate injury. It is also used toalert against unsafe practices and hazards involving only property damage.Improper installation may create a condition where the operation ofthe product could cause personal injury or property damage.Improper installation, adjustment, alteration, service or maintenance can cause injury or property damage. Failure to carefullyread and follow all instructions in this manual can result in furnace malfunction, death, personal injury and/or property damage. Only a qualified contractor, installer or service agency shouldinstall this product.10.11.12.13.When a furnace is installed so that supply ducts carry air circulatedby the furnace to areas outside the space containing the furnace,the return air shall also be handled by duct(s) sealed to the furnace casing and terminating outside the space containing the furnace.It is permitted to use the furnace for heating of buildings or structures under construction where the application and use must comply with all manufacturer’s installation instructions including: Proper vent installation; Furnace operating under thermostatic control; Return air duct sealed to the furnace; Air filters in place; Set furnace input rate and temperature rise per rating platemarking; Means for providing outdoor air required for combustion; Return air temperature maintained between 55ºF (13ºC) and80ºF (27ºC); The air filter must be replaced upon substantial completion ofthe construction process; Clean furnace, duct work and components upon substantialcompletion of the construction process, and verify furnaceoperating conditions including ignition, input rate, temperaturerise and venting, according to the manufacturer’s instructions.When installed in a non-HUD-Approved Modular Home or buildingconstructed on-site, combustion air shall not be supplied fromoccupied spaces.The size of the unit should be based on an acceptable heat losscalculation for the structure. ACCA, Manual J or other approvedmethods may be used.When moving or handling this furnace prior to installation, alwaysleave the doors on the furnace to provide support and to preventdamage or warping of the cabinet. When lifting the furnace by thecabinet, support the ends of the furnace rather than lifting by thecabinet flanges at the return air openings (bottom or sides) or supply air opening.When lifting the furnace, it is acceptable to use the primary heatexchanger tubes as a lifting point provided that the tubes are liftedat the front of the heat exchangers where attached to the vestibulepanel. Do not use the top return bend of the heat exchangers aslifting points as the tubes may shift out of position or their locationbrackets/baffles.SPECIFIC SAFETY RULES AND PRECAUTIONS1.2.3.4.5.6.Only Natural gas or Propane (LP) gas are approved for use withthis furnace.Install this furnace only in a location and position as specified inthese instructions.A gas-fired furnace for installation in a residential garage must beinstalled as specified in these instructions.Provide adequate combustion and ventilation air to the furnacespace as specified in these instructions.Combustion products must be discharged outdoors. Connect thisfurnace to an approved vent system only, as specified in "COMBUSTION AIR and VENT SYSTEM" of these instructions.Test for gas leaks as specified in these instructions.During installation, doors should remain on the furnace whenmoving or lifting.SAFETY REQUIREMENTSThis product must be installed in strict compliance with the installation instructions and any applicable local, state, and national codesincluding, but not limited to building, electrical, and mechanicalcodes. FIRE OR EXPLOSION HAZARDFailure to follow the safety warnings exactly could result in seriousinjury, death or property damage.Never test for gas leaks with an open flame. Use a commerciallyavailable soap solution made specifically for detection of leaks tocheck all connections. A fire or explosion may result causing property damage, personal injury or loss of life.7.2Always install the furnace to operate within the furnace’s intendedtemperature rise range. Only connect the furnace to a duct systemwhich has an external static pressure within the allowable range,as specified on the furnace rating plate. Refer to the unit rating plate for the furnace model number, andthen see the dimensions page of this instruction for return air plenum dimensions in Figure 13. The plenum must be installedaccording to the instructions.Provide clearances from combustible materials as listed underClearances to Combustibles.Provide clearances for servicing ensuring that service access isallowed for both the burners and blower.These models ARE NOT CSA listed or approved for installationinto a HUD Approved Modular Home or a Manufactured(Mobile) Home.This furnace is not approved for installation in trailers or recreational vehicles.Johnson Controls Unitary Products

364861-UIM-D-1209 Furnaces for installation on combustible flooring shall not beinstalled directly on carpeting, tile or other combustible materialother than wood flooring.Check the rating plate and power supply to be sure that the electrical characteristics match. All models use nominal 115 VAC, 1Phase, 60-Hz power supply. DO NOT CONNECT THIS APPLIANCE TO A 50-Hz POWER SUPPLY OR A VOLTAGE ABOVE130 VOLTS.Furnace shall be installed so the electrical components are protected from water.Installing and servicing heating equipment can be hazardous dueto the electrical components and the gas fired components. Onlytrained and qualified personnel should install, repair, or servicegas heating equipment. Untrained service personnel can performbasic maintenance functions such as cleaning and replacing theair filters. When working on heating equipment, observe precautions in the manuals and on the labels attached to the unit andother safety precautions that may apply.COMBUSTION AIR QUALITY(LIST OF CONTAMINAN