INSTALLATION MANUAL
RESIDENTIAL GAS FURNACE MODELS TG9S*MP, GG9S*MP
(95.5% AFUE Single Stage Multi-position)
EFFICIENCY
RATING
CERTIFIED
ISO 9001
Certified Quality
Management System
LIST OF SECTIONS
SAFETY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 DUCTWORK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 FILTERS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 GAS PIPING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 ELECTRICAL POWER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 TWINNING AND STAGING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
CONDENSATE PIPING AND FURNACE
VENTING CONFIGURATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
COMBUSTION AIR and VENT SYSTEM . . . . . . . . . . . . . . . . . . . . 24
LIST OF FIGURES
Duct Attachment | . 5 | Single Stage Twinning Wiring Diagram | 15 |
Vertical Applications | . 5 | 15 | |
Coil Flange | . 6 | Upflow Configuration | 17 |
Horizontal Right Application | . 6 | Downflow Configuration | 18 |
Horizontal Left Application | . 6 | Horizontal Left Configuration | 19 |
PC Series Upflow Coil Installation | . 6 | Horizontal Right Configuration | 20 |
Horizontal Left or Right application (Right Shown) | . 6 | Dimensions | 21 |
Combustible Floor Base Accessory | . 7 | Home Layout | 23 |
Horizontal Application | . 7 | Termination Configuration - 1 Pipe | 24 |
Typical Attic Installation | . 7 | Termination Configuration - 2 Pipe | 24 |
Typical Suspended Furnace / Crawl Space Installation | . 7 | Termination Configuration - 2 Pipe Basement | 24 |
Dimensions | . 8 | Double Horizontal Combustion Air Intake and Vent Termination . . . | 24 |
Side Return Cutout Markings | . 9 | Double Vertical Combustion Air Intake and Vent Termination | 24 |
Gas Valve | . 9 | Direct Vent Air Intake Connection and Vent Connection | 25 |
Upflow/Downflow Gas Piping | . 9 | Combustion Airflow Path Through The Furnace Casing | 25 |
Horizontal Gas Piping | . 9 | Outside and Ambient Combustion Air | 26 |
Electrical Wiring | 11 | Attic and Crawl Space Combustion Air Termination | 27 |
Thermostat Chart - Single Stage AC with |
| Gas Valve | 30 |
Single Stage PSC Furnaces | 12 | Reading Gas Pressure | 30 |
Thermostat Chart - Single Stage HP with |
| Furnace Control Board | 31 |
Single Stage PSC Furnaces | 13 | Furnace Control Event Schedule | 33 |
Typical Twinned Furnace Application | 14 | Wiring Diagram | 35 |
LIST OF TABLES
Unit Clearances to Combustibles | . . . . . 4 | Combustion Air Intake and Vent Connection Size at Furnace (All Mod- | |||||||||
Coil Projection Dimensions - PC Series Coils | . . . . . 6 | els) | 22 | ||||||||
Cabinet and Duct Dimensions | . . . . . 8 | Estimated Free Area | 25 | ||||||||
Recommended Filter Sizes (High Velocity 600 FPM) | . . . . . 8 | Unconfined Space Minimum Area in Square Inch | . . | 26 | |||||||
Nominal Manifold Pressure - High Fire | . . . . 10 | Free Area | 26 | ||||||||
Ratings & Physical / Electrical Data | . . . . 11 | Gas Rate (CU FT/HR) at Full Input | 29 | ||||||||
Maximum Equivalent Pipe Length | . . . . 21 | Inlet Gas Pressure Range | 30 | ||||||||
Elbow Dimensions | . . . . 21 | Nominal Manifold Pressure | 30 | ||||||||
Equivalent Length of Fittings | . . . . 22 |
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These high efficiency, compact units employ induced combustion, reli- | DANGER indicates an imminently hazardous situation, which, if not | ||||||||||
able hot surface ignition and high heat transfer aluminized tubular heat | avoided, will result in death or serious injury. |
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exchangers. The units are factory shipped for installation in upflow or | WARNING indicates a potentially hazardous situation, which, if | not | |||||||||
horizontal applications and may be converted for downflow applica- | avoided, could result in death or serious injury. |
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tions. |
| CAUTION indicates a potentially hazardous situation, which, | if | not | |||||||
These furnaces are designed for residential installation in a basement, | |||||||||||
avoided may result in minor or moderate injury. It is also used to | |||||||||||
closet, alcove, attic, recreation room or garage and are also ideal for | |||||||||||
alert against unsafe practices and hazards involving only property dam- | |||||||||||
commercial applications. All units are factory assembled, wired and | |||||||||||
age. |
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tested to assure safe dependable and economical installation and oper- |
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ation. |
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These units are Category IV listed and may not be common vented with |
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another gas appliance as allowed by the National Fuel Gas Code. |
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Improper installation may create a condition where the operation of | |||||||||||
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SECTION I: SAFETY |
| the product could cause personal injury or property damage. |
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| Improper installation, adjustment, alteration, service or mainte- | ||||||||||
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| This is a safety alert symbol. When you see this symbol on | nance can cause injury or property damage. Failure to carefully | ||||||||
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| labels or in manuals, be alert to the potential for | personal | read and follow all instructions in this manual can result in fur- | |||||||
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| nace malfunction, death, personal injury and/or property dam- | |||||||||
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| age. Only a qualified contractor, installer or service agency should | ||||||||
Understand and pay particular attention to the signal words DANGER, | |||||||||||
install this product. |
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WARNING, or CAUTION. |
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