Johnson Controls Unitary Products TM9X080B12MP11

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501028-UIM-C-1209

EFFICIENCY

RATING

CERTIFIED

ISO 9001

Certified Quality

Management System

RESIDENTIAL GAS FURNACE

MODELS: TM9X*MP – High Efficiency Motor

(95.5% AFUE Single Stage Multi-position)

INSTALLATION MANUAL

LIST OF SECTIONS

SAFETY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

DUCTWORK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

FILTERS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

GAS PIPING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

ELECTRICAL POWER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

CONDENSATE PIPING AND FURNACE

VENTING CONFIGURATION . . . . . . . . . . . . . . . . . . . . . . . . . . 15

COMBUSTION AIR and VENT SYSTEM . . . . . . . . . . . . . . . . . 21

START-UP AND ADJUSTMENTS . . . . . . . . . . . . . . . . . . . . . . 28

SAFETY CONTROLS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

NORMAL OPERATION AND DIAGNOSTICS . . . . . . . . . . . . . 33

REPLACEMENT PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . 35

WIRING DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

LIST OF FIGURES

Duct Attachment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Vertical Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Coil Flange . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Horizontal Right Application . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Horizontal Left Application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

PC Series Upflow Coil Installation . . . . . . . . . . . . . . . . . . . . . . . . 7

Horizontal Left or Right application (Right Shown) . . . . . . . . . . . 7

Combustible Floor Base Accessory . . . . . . . . . . . . . . . . . . . . . . . 7

Horizontal Application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Typical Attic Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Typical Suspended Furnace / Crawl Space Installation . . . . . . . 8

Downflow Venting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Side Return Cutout Markings . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Gas Valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Gas Piping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Electrical Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Thermostat Chart - Single Stage AC

with Single Stage Furnaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Thermostat Chart - Single Stage HP

with Single Stage Furnaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Typical. Condensate drain, vertical installation . . . . . . . . . . . . . 15

Typical. Combustion Pipe Drain Tee . . . . . . . . . . . . . . . . . . . . . 16

Upflow Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Downflow Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Horizontal Left Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Horizontal Right Configuration . . . . . . . . . . . . . . . . . . . . . . . . . 20

Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Home Layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Termination Configuration - 1 Pipe . . . . . . . . . . . . . . . . . . . . . . 24

Termination Configuration - 2 Pipe . . . . . . . . . . . . . . . . . . . . . . 24

Termination Configuration - 2 Pipe Basement . . . . . . . . . . . . . 24

Double Horizontal Combustion Air Intake

and Vent Termination . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Double Vertical Combustion Air Intake

and Vent Termination . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Direct Vent Air Intake Connection and Vent Connection . . . . . . 25

Combustion Airflow Path Through The Furnace Casing . . . . . . 25

Outside and Ambient Combustion Air . . . . . . . . . . . . . . . . . . . . 26

Attic and Crawl Space Combustion Air Termination . . . . . . . . . 27

Gas Valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Reading Gas Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Furnace Control Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Furnace Control Event Schedule . . . . . . . . . . . . . . . . . . . . . . . 34

Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

LIST OF TABLES

Unit Clearances to Combustibles . . . . . . . . . . . . . . . . . . . . . . . . 4

Coil Projection Dimensions - PC Series Coils . . . . . . . . . . . . . . . 7

Cabinet and Duct Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Recommended Filter Sizes (High Velocity 600 FPM) . . . . . . . . . 9

Nominal Manifold Pressure - High Fire . . . . . . . . . . . . . . . . . . . 11

Ratings & Physical / Electrical Data . . . . . . . . . . . . . . . . . . . . . 12

Maximum Equivalent Pipe Length . . . . . . . . . . . . . . . . . . . . . . . 21

Elbow Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Equivalent Length of Fittings . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Combustion Air Intake and Vent Connection

Size at Furnace (All Models) . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Estimated Free Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Unconfined Space Minimum Area . . . . . . . . . . . . . . . . . . . . . . . 26

Free Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Gas Rate (CU FT/HR) at Full Input . . . . . . . . . . . . . . . . . . . . . . 29

Inlet Gas Pressure Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Nominal Manifold Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Blower Performance CFM - Any Position (without filter) . . . . . . 32

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Summary

SECTION I: SAFETY

SPECIFIC SAFETY RULES AND PRECAUTIONS

Key safety rules for installation and operation of the furnace.

SAFETY REQUIREMENTS

General safety requirements for installation and service of the unit.

SECTION II: DUCTWORK

SECTION IV: GAS PIPING

GAS SAFETY

Critical safety information regarding gas piping connections and overpressure.

GAS PIPING INSTALLATION

Procedures for installing gas piping to the furnace, including connections.

SECTION V: ELECTRICAL POWER

ELECTRICAL POWER CONNECTIONS

LOW VOLTAGE CONTROL WIRING

SECTION VI: CONDENSATE PIPING AND FURNACE VENTING CONFIGURATION

CONDENSATE DRAIN LOCATION

CONDENSATE DRAIN TERMINATION

SECTION VII: COMBUSTION AIR AND VENT SYSTEM

COMBUSTION AIR AND VENT SAFETY

Safety precautions for combustion air and vent systems installation.

COMBUSTION AIR;VENT PIPE SIZING

VENT APPLICATIONS AND TERMINATION

VENTILATED COMBUSTION AIR

SECTION VIII: START-UP AND ADJUSTMENTS

GAS PIPING LEAK CHECK

Procedure to check gas piping for leaks using appropriate methods.

IGNITION SYSTEM SEQUENCE

CALCULATING FURNACE INPUT

MANIFOLD GAS PRESSURE ADJUSTMENT

Adjusting manifold gas pressure and input rate for safe operation.

TEMPERATURE RISE AND FAN CONTROL ADJUSTMENT

Adjusting temperature rise and fan control settings for optimal performance.

SECTION X: NORMAL OPERATION AND DIAGNOSTICS

LIMIT CONTROLS

NORMAL OPERATION SEQUENCE

TROUBLESHOOTING AND DIAGNOSTICS

Steps for troubleshooting and understanding furnace control diagnostic codes.

FAULT CODE STORAGE AND RETRIEVAL