INSTALLATION MANUAL - UPGNET

1 998491-UIM-C-0616 single stage PSCRESIDENTIAL GAS FURNACES MODELS: TG8S*MP, TGLS*MP(80% afue multi - position / Standard Low NOx) INSTALLATION MANUALLIST OF SECTIONSSAFETY .. 1 DUCTWORK .. 5 FILTERS .. 9 GAS PIPING .. 10 ELECTRICAL POWER .. 12 TWINNING AND STAGING .. 15 VENT SYSTEM .. 16 START-UP AND ADJUSTMENTS .. 19 SAFETY CONTROLS .. 26 REPLACEMENT PARTS LIST .. 28 REPLACEMENT PART CONTACT INFORMATION .. 28 WIRING DIAGRAM .. 29 START UP SHEET .. 31 LIST OF FIGURESDuct Attachment .. 5 Vertical Applications.

2 6 Coil Flange .. 6 Horizontal Right Application .. 6 Horizontal Left Application .. 6PC Series Upflow Coil INSTALLATION .. 6 Horizontal Left or Right application (Right Shown) .. 7 Combustible Floor Base Accessory .. 7 Horizontal Application .. 7 Typical Attic INSTALLATION .. 7 Typical Suspended furnace / Crawl Space INSTALLATION .. 8 Dimensions .. 9 Side Return Cutout Markings .. 10 Gas Valve .. 10 Gas Piping .. 10 Electrical Wiring .. 12 Thermostat Chart - single stage AC with single stage PSC Furnaces.

3 13 Thermostat Chart - single stage HP with single stage PSC Furnaces .. 14 Typical Twinned furnace Application .. 15 single Wire Twinning Wiring Diagram .. 16 single Wire Staging Wiring Diagram .. 16 Combustion Air Inducer .. 16 Combustion Airflow Path Through The furnace Casing to the Burner Compartment .. 17 Outside and Ambient Combustion Air .. 18 Gas Valve .. 22 Reading Gas Pressure .. 23 furnace Control Board .. 23 Wiring Diagram .. 29 LIST OF TABLESDuct Attachment .. 5 Vertical Applications .. 6 Coil Flange.

4 6 Horizontal Right Application .. 6 Horizontal Left Application .. 6PC Series Upflow Coil INSTALLATION .. 6 Horizontal Left or Right application (Right Shown) .. 7 Combustible Floor Base Accessory .. 7 Horizontal Application .. 7 Typical Attic INSTALLATION .. 7 Typical Suspended furnace / Crawl Space INSTALLATION .. 8 Dimensions .. 9 Side Return Cutout Markings .. 10 Gas Valve .. 10 Gas Piping .. 10 Electrical Wiring .. 12 Thermostat Chart - single stage AC with single stage PSC Furnaces .. 13 Thermostat Chart - single stage HP with single stage PSC Furnaces.

5 14 Typical Twinned furnace Application .. 15 single Wire Twinning Wiring Diagram .. 16 single Wire Staging Wiring Diagram .. 16 Combustion Air Inducer .. 16 Combustion Airflow Path Through The furnace Casing to the Burner Compartment .. 17 Outside and Ambient Combustion Air .. 18 Gas Valve .. 22 Reading Gas Pressure .. 23 furnace Control Board .. 23 Wiring Diagram .. 29 These high efficiency, compact units employ induced combustion, reli-able hot surface ignition and high heat transfer aluminized tubular heatexchangers.

6 The units are factory shipped for INSTALLATION in upflow orhorizontal applications and may be converted for downflow 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 units are Category I listed and may be common vented withanother gas appliance as allowed by the National Fuel Gas I: SAFETYThis is a safety alert symbol.

7 When you see this symbol onlabels or in manuals, be alert to the potential for and pay particular attention to the signal words DANGER,WARNING, or CAUTION. DANGER indicates an imminently hazardous situation, which, if not998491-UIM-C-06162 Johnson Controls Unitary Productsavoided, will result in death or serious indicates a potentially hazardous situation, which, if notavoided, could result in death or serious indicates a potentially hazardous situation, which, if notavoided may result in minor or moderate injury.

8 It is also used toalert against unsafe practices and hazards involving only property SAFETY RULES AND PRECAUTIONS1. Only Natural gas or Propane (LP) gas are approved for use with Install this furnace only in a location and position as specified inthese A gas-fired furnace for INSTALLATION in a residential garage must beinstalled as specified in these Provide adequate combustion and ventilation air to the furnacespace as specified in these Combustion products must be discharged outdoors.

9 Connect thisfurnace to an approved vent system only, as specified in SECTIONVII of these Test for gas leaks as specified in these Always 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, asspecified on the furnace rating 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)

10 Sealed to the furnacecasing and terminating outside the space containing the It is permitted to use the furnace for heating of buildings or struc-tures under construction where the application and use must complywith 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 55 F (13 C) and80 F (27 C); The air filter must be replaced upon substantial completion ofthe construction process.