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INSTALLATION MANUAL
RESIDENTIAL GAS FURNACE
MODELS: TM9X*MP - High Efficiency Motor
(95.5% AFUE Single Stage Multi-position)
SAFETY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
DUCTWORK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
FILTERS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
GAS PIPING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
ELECTRICAL POWER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
VENTING CONFIGURATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Typical Attic Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Typical Suspended Furnace / Crawl Space Installation . . . . . . . . . . . 8
Downflow Venting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Side Return Cutout Markings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Gas Valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Gas Piping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Electrical Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Typical. Condensate drain, vertical installation . . . . . . . . . . . . . . . . 15
Typical. Combustion Pipe Drain Tee . . . . . . . . . . . . . . . . . . . . . . . . 16
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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Equivalent Length of Fittings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
These high efficiency, compact units employ induced combustion, reli-
able hot surface ignition and high heat transfer aluminized tubular heat
exchangers. The units are factory shipped for installation in upflow or
horizontal applications and may be converted for downflow applica-
tions.
Johnson Controls Unitary Products
LIST OF SECTIONS
COMBUSTION AIR and VENT SYSTEM . . . . . . . . . . . . . . . . . . . . 21
START-UP AND ADJUSTMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . 28
SAFETY CONTROLS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
NORMAL OPERATION AND DIAGNOSTICS . . . . . . . . . . . . . . . . . 34
REPLACEMENT PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
WIRING DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
LIST OF FIGURES
Upflow Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Downflow Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Horizontal Left Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Horizontal Right Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Home Layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Termination Configuration - 1 Pipe . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Termination Configuration - 2 Pipe . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Termination Configuration - 2 Pipe Basement . . . . . . . . . . . . . . . . . 24
Downward Venting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Direct Vent Air Intake Connection and Vent Connection . . . . . . . . . 25
Combustion Airflow Path Through The Furnace Casing . . . . . . . . . 25
Outside and Ambient Combustion Air . . . . . . . . . . . . . . . . . . . . . . . . 27
Attic and Crawl Space Combustion Air Termination . . . . . . . . . . . . . 28
Gas Valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Reading Gas Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Furnace Control Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
LIST OF TABLES
Size at Furnace (All Models) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Estimated Free Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Unconfined Space Minimum Area . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Free Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Gas Rate (CU FT/HR) at Full Input . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Inlet Gas Pressure Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Nominal Manifold Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Blower Performance CFM - Any Position (without filter) . . . . . . . . . . 33
These furnaces are designed for residential installation in a basement,
closet, alcove, attic, recreation room or garage and are also ideal for
commercial applications. All units are factory assembled, wired and
tested to assure safe dependable and economical installation and oper-
These units are Category IV listed and may not be common vented with
another gas appliance as allowed by the National Fuel Gas Code.
697936-UIM-B-01211
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Summary of Contents for Johnson Controls TM9X*MP
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Page 1: Table Of Contents
INSTALLATION MANUAL RESIDENTIAL GAS FURNACE MODELS: TM9X*MP – High Efficiency Motor (95.5% AFUE Single Stage Multi-position) LIST OF SECTIONS SAFETY ..........2 COMBUSTION AIR and VENT SYSTEM . -
Page 2: Safety
(Mobile) Home. casing and terminating outside the space containing the furnace. • This furnace is not approved for installation in trailers or recre- ational vehicles. Johnson Controls Unitary Products... -
Page 3: Combustion Air Quality
These instructions are required • Hydrochloric acid as a minimum for a safe installation. • Masonry acid washing materials • Permanent wave solutions • Printing inks, paint removers, varnishes, etc. • Water softening chemicals Johnson Controls Unitary Products... -
Page 4: Unit Clearances To Combustibles
* 24" clearance in front and 18" on side recommended for service access. 3. Where adequate combustion air will be available (particularly when All furnaces approved for alcove and attic installation. the appliance is not using outdoor combustion air). Johnson Controls Unitary Products... -
Page 5: Ductwork
Attach the air conditioning coil cabinet to the duct connector, and then position the furnace on top of the coil cabinet. The connection to the fur- nace, air conditioning coil cabinet, duct connector, and supply air duct must be sealed to prevent air leakage. Johnson Controls Unitary Products... -
Page 6: Vertical Applications
See Figure 6. FACTORY FLANGE LOCATION (Used for upflow or horizontal right installations) ALTERNATE FLANGE LOCATION (Used for downflow or horizontal left installations) FIGURE 3: Coil Flange Johnson Controls Unitary Products... -
Page 7: Pc Series Upflow Coil Installation
The internal bottom panel must be removed for this application. Attic installations must meet all minimum clearances to combustibles and have floor support with required service accessibility. Gas Furnace FIGURE 7: Horizontal Left or Right application (Right Shown) Johnson Controls Unitary Products... -
Page 8: Horizontal Application
Do not use the top return bend of the heat exchangers as lifting points as the tubes may shift out of position or their location brackets/baffles. Johnson Controls Unitary Products... -
Page 9: Filters
20x25 filter. CFM greater than 1800, you may use two side returns or one side and the bottom or one side return with a transition to allow use of a 20x25 filter. Johnson Controls Unitary Products... -
Page 10: Gas Piping
Supply Ground Union Drip Leg Valve External Manual Shut-off Valve Ground Pipe Union Drip Drip Valve Ground Union To Gas Valve Supply Pipe Drip Ground Drip Pipe Union Upflow Downflow Horizontal Drip FIGURE 16: Gas Piping Johnson Controls Unitary Products... -
Page 11: Nominal Manifold Pressure - High Fire
Do not attempt to drill out any orifices to obtain the proper orifice size. Drilling out a gas orifice will cause misalignment of the burner flames, caus- ing premature heat exchanger burnout, high levels of carbon monoxide, excessive sooting, a fire hazard, personal injury, property damage and/or death. Johnson Controls Unitary Products... -
Page 12: Electrical Power
Refer to Figure 17. 3. The furnace's control system requires correct polarity of the power supply and a proper ground connection. Refer to Figure 17. Johnson Controls Unitary Products... -
Page 13: Thermostat Chart - Single Stage Ac With Single Stage Furnaces
24VAC Humidifier Humidistat (Optional) Clipping Jumper W914 for electric heat on thermostat is not necessary Other Part Numbers: SAP = Legacy 265901 = 031-09166 FIGURE 18: Thermostat Chart - Single Stage AC with Single Stage Furnaces Johnson Controls Unitary Products... -
Page 14: Thermostat Chart - Single Stage Hp With Single Stage Furnaces
Menu must be set to Pump OFF Other Part Numbers: Part Numbers: Part Number: SAP = Legacy SAP = Legacy S1-2HU16700124 265901 = 031-09166 67297 = 031-01975 FIGURE 19: Thermostat Chart - Single Stage HP with Single Stage Furnaces Johnson Controls Unitary Products... -
Page 15: Condensate Piping And Furnace Venting Configuration
Figure 21. This is true for all long horizontal venting in any furnace configuration. This will prevent the condensate from entering the furnace. Johnson Controls Unitary Products... -
Page 16: Typical. Combustion Pipe Drain Tee
Liquid anti-freeze will cause damage to internal plastic parts of this furnace. DO NOT attempt to winterize the furnace using liquid anti-freeze. FIGURE 21: Typical. Combustion Pipe Drain Tee Johnson Controls Unitary Products... -
Page 17: Upflow Configuration
697936-UIM-B-01211 FIGURE 22: Upflow Configuration Johnson Controls Unitary Products... -
Page 18: Downflow Configuration
697936-UIM-B-01211 FIGURE 23: Downflow Configuration Johnson Controls Unitary Products... -
Page 19: Horizontal Left Configuration
697936-UIM-B-01211 FIGURE 24: Horizontal Left Configuration Johnson Controls Unitary Products... -
Page 20: Horizontal Right Configuration
697936-UIM-B-01211 FIGURE 25: Horizontal Right Configuration Johnson Controls Unitary Products... -
Page 21: Maximum Equivalent Pipe Length
For example, if the table allows 65 equivalent feet for a particular model, then the vent can have 65 equivalent feet of pipe, AND the combustion air intake can have another 65 equivalent feet of pipe. Johnson Controls Unitary Products... -
Page 22: Elbow Dimensions
The vent must be installed with the minimum required clearances, This is less than the 90 foot maximum equivalent length of 3" pipe and must comply with local codes and requirements. allowed for that model and is thus acceptable. Johnson Controls Unitary Products... -
Page 23: Home Layout
If a metal shield is used it must be a stainless steel material at a minimum dimension of 20 inches (51 cm). It is recommended that a retaining type collar be used that is attached to the building sur- face to prevent movement of the vent pipe. Johnson Controls Unitary Products... -
Page 24: Termination Configuration - 1 Pipe
Maintain 12” MIN. minimum clearance above highest 6” anticipated snow level or grade, whichever is higher. FIGURE 29: Termination Configuration - 2 Pipe FIGURE 32: Double Vertical Combustion Air Intake and Vent Termination Johnson Controls Unitary Products... -
Page 25: Downward Venting
Refer to Figure 36 for attic clamped into outlet and crawl space termination. Only the combustion air intake may of drain coupling terminate in the attic. The vent must terminate outside. FIGURE 35: Combustion Airflow Path Through The Furnace Casing Johnson Controls Unitary Products... -
Page 26: Estimated Free Area
1 Appliance 2 Total Input + 30,000 = (130,000 2,000) = 65 Sq. In. Horizontal 2. Apertures in a fixed louver, a grille, or screen shall have no dimen- 100,000 sion smaller than 1/4” (6.4 mm). Johnson Controls Unitary Products... -
Page 27: Outside And Ambient Combustion Air
A crawl space combustion air installation consists of a straight pipe from the PVC coupling on the burner box that extends into the crawl space and terminates with a 1/4” (6.4 mm) mesh screen and no elbows. Johnson Controls Unitary Products... -
Page 28: Start-Up And Adjustments
Be sure proper ventilation is available to dilute and carry Be sure to instruct the owner not to block this intake pipe. away any vented gas. Johnson Controls Unitary Products... - Page 29 2 - 5 until correct input is achieved. After flame is established, the supply air blower will start in about 30 seconds. Be sure to relight any gas appliances that were turned off at the start of this input check. Johnson Controls Unitary Products...
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Page 30: Gas Rate (Cu Ft/Hr) At Full Input
Size of Test Dial Seconds For Seconds For 1 Revolution 1 Revolution 1 Cu Ft 2 Cu Ft 5 Cu Ft 1 Cu Ft 2 Cu Ft 5 Cu Ft 1800 1636 1500 1385 1286 1200 1125 1059 1000 Johnson Controls Unitary Products... -
Page 31: Gas Valve
FIGURE 39: Reading Gas Pressure NOTICE The regulated outlet pressure has been calibrated at the factory. Additional pressure adjustment should not be necessary. If adjust- ment is necessary, set to the following specifications. After adjust- ment, check for gas leakage. Johnson Controls Unitary Products... -
Page 32: Furnace Control Board
Figure 39. DIAGNOSTIC ERROR CODE RETRIEVAL BUTTON BLOWER OFF DELAY JUMPER ELECTRONIC AIR CLEANER TERMINAL CONTINUOUS FAN SPEED JUMPER HUMIDIFIER TERMINAL FIGURE 40: Furnace Control Board Johnson Controls Unitary Products... -
Page 33: Safety Controls
Do not rely upon the interlock switch as a main power discon- nect. Blower and burner must never be operated without the blower panel in place. Johnson Controls Unitary Products... -
Page 34: Normal Operation And Diagnostics
LED STEADY OFF – If the LED light does not flash at all, check for power to the board and check for a blown fuse on the board. If the board is properly powered and the fuse is not blown, the control board may need to be replaced. Johnson Controls Unitary Products... -
Page 35: Ation
The LED will flash three green flashes when shorted to chassis. The furnace will not start the ignition sequence until the memory has been cleared, then will resume the normal slow green this problem is corrected. flash after a five-second pause. Johnson Controls Unitary Products... -
Page 36: Replacement Parts List
3. Customer Service contact information. a. Click on the “Brand Links” button b. Click on the “Customer Service” button • You can contact us by mail. Just send a written request to: Johnson Controls Unitary Products Consumer Relations 5005 York Drive Norman, OK 73069... -
Page 37: Wiring Diagram
697936-UIM-B-01211 SECTION XII: WIRING DIAGRAM FIGURE 41: Wiring Diagram Johnson Controls Unitary Products... - Page 38 NOTES Subject to change without notice. Published in U.S.A. 697936-UIM-B-01211 Copyright © 2011 by Johnson Controls, Inc. All rights reserved. Supersedes: 697936-UIM-A-0711 Johnson Controls Unitary Products 5005 York Drive Norman, OK 73069...
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