Johnson Controls TM9T Series Installation Manual
Two stage psc residential gas furnaces
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Also See for TM9T Series:
- User's information manual (8 pages) ,
- Information manual (6 pages) ,
- User's information manual (8 pages)
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INSTALLATION MANUAL
TWO STAGE PSC
RESIDENTIAL GAS FURNACES
MODELS: TM9T Series
(96% AFUE Multi-Position)
SAFETY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
DUCTWORK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
FILTERS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
GAS PIPING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
ELECTRICAL POWER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
TWINNING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
VENTING CONFIGURATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Duct Attachment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Furnace and Coil Attachment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Combustible Floor Base Accessory . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Horizontal Application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Typical Attic Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Typical Suspended Furnace / Crawl Space Installation . . . . . . . . . . . 7
Downflow Venting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Side Return Cutout Markings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Gas Valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Left Side Supply Gas Pipe Arrangement . . . . . . . . . . . . . . . . . . . . . 10
Gas Piping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Electrical Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Typical Twinned Furnace Application . . . . . . . . . . . . . . . . . . . . . . . 14
Twinning Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Typical Condensate Drain, Vertical Installation . . . . . . . . . . . . . . . . 15
Upflow Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Unit Clearances to Combustibles . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Cabinet and Duct Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Recommended Filter Sizes (High Velocity 600 FPM) . . . . . . . . . . . . 9
Nominal Manifold Pressure - High Fire . . . . . . . . . . . . . . . . . . . . . . 11
Nominal Manifold Pressure - Low Fire . . . . . . . . . . . . . . . . . . . . . . . 11
Ratings & Physical / Electrical Data . . . . . . . . . . . . . . . . . . . . . . . . . 12
Maximum Equivalent Pipe Length . . . . . . . . . . . . . . . . . . . . . . . . . . 22
High Altitude Pressure Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Elbow Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Equivalent Length of Fittings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
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 Ducted Systems
LIST OF SECTIONS
COMBUSTION AIR AND VENT SYSTEM . . . . . . . . . . . . . . . . . . . . 21
START-UP AND ADJUSTMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . 29
SAFETY CONTROLS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
NORMAL OPERATION AND DIAGNOSTICS . . . . . . . . . . . . . . . . . 35
REPLACEMENT PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
REPLACEMENT PART CONTACT INFORMATION . . . . . . . . . . . . 37
WIRING DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
START UP SHEET . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
LIST OF FIGURES
Downflow Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Horizontal Left Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Horizontal Right Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Home Layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Termination Configuration - 1 Pipe . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Termination Configuration - 2 Pipe . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Termination Configuration - 2 Pipe Basement . . . . . . . . . . . . . . . . . 25
Downward Venting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Direct Vent Air Intake Connection and Vent Connection . . . . . . . . . 26
Combustion Airflow Path Through The Furnace Casing . . . . . . . . . 27
Ambient Combustion Air . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Attic and Crawl Space Combustion Air Termination . . . . . . . . . . . . . 29
Gas Valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Reading Gas Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Furnace Control Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
LIST OF TABLES
Furnace (All Models) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Estimated Free Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Unconfined Space Minimum Area . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Free Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Gas Rate (CU FT/HR) at Full Input . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Inlet Gas Pressure Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Nominal Manifold Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Blower Performance CFM - Any Position (without filter) . . . . . . . . . . 34
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-
ation.
These units are Category IV listed and may not be common vented with
another gas appliance as allowed by the National Fuel Gas Code.
1083286-UIM-L-1219
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Summary of Contents for Johnson Controls TM9T Series
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Page 1: Table Of Contents
INSTALLATION MANUAL TWO STAGE PSC RESIDENTIAL GAS FURNACES MODELS: TM9T Series (96% AFUE Multi-Position) LIST OF SECTIONS SAFETY ..........2 COMBUSTION AIR AND VENT SYSTEM . -
Page 2: Safety
When working on heating equipment, observe precau- • Set furnace input rate and temperature rise per rating plate mark- tions in the manuals and on the labels attached to the unit and ing; other safety precautions that may apply. Johnson Controls Ducted Systems... - Page 3 The installation must comply with regulations of the serv- ing gas supplier, local building, heating, plumbing, and other codes. In absence of local codes, the installation must comply with the national codes listed below and all authorities having jurisdiction. Johnson Controls Ducted Systems...
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Page 4: Unit Clearances To Combustibles
1. 24" clearance in front and 18" on side recommended for service access. the appliance is not using outdoor combustion air). 2. For combustible floors only when used with special sub-base. All furnaces approved for alcove and attic installation. Johnson Controls Ducted Systems... -
Page 5: Ductwork
Figure 2. Refer to the Installation Instructions provided with exchanger OVERHEATING CONDITION. This condition can result in each indoor coil. premature heat exchanger failure, which can result in personal injury, property damage, or death. Johnson Controls Ducted Systems... -
Page 6: Furnace And Coil Attachment
Refer to the separate accessory parts list WARM AIR PLENUM at the end of these instructions for the approved accessory duct con- WITH 1” FLANGES nectors. FIBERGLASS INSULATION FIBERGLASS TAPE UNDER FLANGE COMBUSTIBLE FLOOR BASE ACCESSORY FIGURE 3: Combustible Floor Base Accessory Johnson Controls Ducted Systems... -
Page 7: Horizontal Application
Support 30” MIN. Work Area Return Sediment Support Trap Angle (x3) Maintain 6” minimum FIGURE 5: Typical Attic Installation clearance between support rods and front of furnace FIGURE 6: Typical Suspended Furnace / Crawl Space Installation Johnson Controls Ducted Systems... -
Page 8: Downflow Venting
41.9 100 (29.3) 1600 (45.3) 53.3 19 7/8 50.5 18 1/4 46.4 100 (29.3) 2000 (56.6) 53.3 19 7/8 50.5 18 1/4 46.4 120 (35.1) 2000 (56.6) 24 1/2 62.2 23 3/8 59.4 21 3/4 55.2 Johnson Controls Ducted Systems... -
Page 9: Filters
Follow the instruc- tions supplied with that accessory for side opening requirements. Do not cut the opening larger than the dimensions for the “Optional Return Air Cutout” shown in Figure 8. Johnson Controls Ducted Systems... -
Page 10: Left Side Supply Gas Pipe Arrangement
Gas piping may be connected from either side of the furnace using any area subject to low pressure inversions. of the gas pipe entry knockouts on both sides of the furnace. Refer to Figures 8 and 12. Johnson Controls Ducted Systems... -
Page 11: Electrical Power
ELECTRICAL POWER CONNECTIONS installed shall conform to the temperature limitation for 63°F (35°C) rise wire when installed in accordance with instructions. Refer to Table 6 in CAUTION these instructions for specific furnace electrical data. Use copper conductors only. Johnson Controls Ducted Systems... -
Page 12: Electrical Wiring
4” (10.2 cm) box and cover on the outside of the furnace. Route the furnace leads into the box using a protective bushing where the wires pass through the furnace panel. After making the wiring connections replace the wiring box cover and screws. Refer to Figure 13. Johnson Controls Ducted Systems... -
Page 13: Thermostat Chart -Two Stage Ac With Two Stage Psc Furnace
1083286-UIM-L-1219 FIGURE 14: Thermostat Chart -Two Stage AC with Two Stage PSC Furnace FIGURE 15: Thermostat Chart - Two Stage HP with Two Stage PSC Furnace Johnson Controls Ducted Systems... -
Page 14: Twinning
If a side entrance returns system is used, the common return duct must be divided equally so as to supply each furnace with an equal amount of return air. Johnson Controls Ducted Systems... -
Page 15: Condensate Piping And Furnace Venting Configuration
Instead, install a second tee in the The Figures 19 - 22 show the condensate drain arrangement for the vented drain tube below the furnace drain tee and route additional various possible furnace and vent blower positions. drainage through the new tee. Johnson Controls Ducted Systems... - Page 16 This is true for all long horizontal venting in any furnace Liquid anti-freeze will cause damage to internal plastic parts of this configuration. This will keep condensate from entering the furnace. furnace. DO NOT attempt to winterize the furnace using liquid anti-freeze. Johnson Controls Ducted Systems...
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Page 17: Upflow Configuration
1083286-UIM-L-1219 FIGURE 19: Upflow Configuration Johnson Controls Ducted Systems... -
Page 18: Downflow Configuration
1083286-UIM-L-1219 FIGURE 20: Downflow Configuration Johnson Controls Ducted Systems... -
Page 19: Horizontal Left Configuration
1083286-UIM-L-1219 FIGURE 21: Horizontal Left Configuration Johnson Controls Ducted Systems... -
Page 20: Horizontal Right Configuration
1083286-UIM-L-1219 FIGURE 22: Horizontal Right Configuration Johnson Controls Ducted Systems... -
Page 21: Combustion Air And Vent System
Consult the Innoflue installation instructions for assembly details. bustion air intake) are already accounted for and need not be For other Innoflue pipe and fitting part numbers, visit website included in the equivalent length calculation. www.centrotherm.us.com Johnson Controls Ducted Systems... -
Page 22: Maximum Equivalent Pipe Length
80,000 80,000 80,000 80,000 80,000 100,000 100,000 100,000 100,000 100,000 100,000 120,000 120,000 120,000 120,000 Table 8: High Altitude Pressure Switches High Altitude Pressure Switches required for all installations above 5000 Feet Part Number Models S1-1PS3308 Johnson Controls Ducted Systems... -
Page 23: Elbow Dimensions
Alternatively, using 3" pipe and standard elbows, the total equivalent length will be: 32 feet of 3" pipe = 32 equivalent feet 5 - 90º standard 3" elbows = (5 x 7) = 35 equivalent feet Total = 67 equivalent feet of 3" pipe Johnson Controls Ducted Systems... -
Page 24: Home Layout
20 inches (51 cm). It is recommended that a retaining type collar be used that is attached to the building surface to prevent movement of the vent pipe. Johnson Controls Ducted Systems... -
Page 25: Termination Configuration - 1 Pipe
The combustion air and will help reduce condensation. vent pipes must terminate in the same atmospheric zone. Johnson Controls Ducted Systems... -
Page 26: Double Horizontal Combustion Air Intake And Vent Termination
Connects to Vent pipe clamps collar on top into outlet of of burner box drain coupling 16’ MAX 6” MIN. 6” MIN. FIGURE 30: Downward Venting FIGURE 31: Direct Vent Air Intake Connection and Vent Connection Johnson Controls Ducted Systems... -
Page 27: Combustion Airflow Path Through The Furnace Casing
The blocking effects of louvers, grilles and screens must be given con- sideration in calculating free area. If the free area of a specific louver or grille is not known, refer to Table 12 to estimate free area. Johnson Controls Ducted Systems... -
Page 28: Ambient Combustion Air
1 in. / 3,000 BTU/hr (700mm2/kW) of the total input rating of all equipment located in the enclosure. b. Not less than the sum of all vent connectors in the confined space. Johnson Controls Ducted Systems... -
Page 29: Start-Up And Adjustments
IMPORTANT: Burner ignition may not be satisfactory on first startup due to residual air in the gas line or until gas manifold pressure is adjusted. The ignition control will make three attempts to light before locking out. Johnson Controls Ducted Systems... - Page 30 Burner orifices are sized to provide proper input rate using natural gas with a heating value of 1030 BTU/Ft (38.4 MJ/m ). If the heating value of your gas is significantly different, it may be necessary to replace the orifices. Johnson Controls Ducted Systems...
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Page 31: 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 Ducted Systems... -
Page 32: Gas Valve
Loosening or tighten- port for leakage using an approved non-corrosive gas leak detec- ing the cap does not adjust the flow of gas. tion fluid, or other non-flammable leak detection methods. Johnson Controls Ducted Systems... -
Page 33: Reading Gas Pressure
MPT plug and insert it 3 turns into the hole to correctly seal it. CONTINUOUS FAN SPEED JUMPER BLOWER OFF DELAY JUMPER DIAGNOSTIC ERROR CODE RETRIEVAL BUTTON HUMIDIFIER TERMINAL ELECTRONIC AIR CLEANER TERMINA FIGURE 37: Furnace Control Board Johnson Controls Ducted Systems... -
Page 34: Blower Performance Cfm - Any Position (Without Filter)
1. Airflow expressed in standard cubic feet per minute (SCFM). 2. Return air is through side opposite motor (left side). 3. Motor voltage at 115 V. 4. Airflow through across motor side (right side) may be slightly less than the data shown above. Johnson Controls Ducted Systems... -
Page 35: Safety Controls
BLOWER SPEED jumper on the Do not try to repair controls. Replace defective controls with Johnson Controls Ducted Systems Source1 parts. control board (HI COOL, LO COOL, HI HEAT, or LO HEAT). - Page 36 3.7 microamps DC (ma) control will indicate 4 Red Flashes and will enter a one-hour soft lock- Low flame signal warning starts at 1.5 microamps. out. Low flame signal control lockout point is 0.1 microamps DC (ma) Johnson Controls Ducted Systems...
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Page 37: 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 Ducted Systems Consumer Relations 5005 York Drive Norman, OK 73069... -
Page 38: Wiring Diagram
221 degrés F (105 degrés C ). 2. Les connexions à grande vitesse du moteur du ventilateur indiqués sont typiques, mais peuvent varier selon le modèle et par application. 1042426-UWD-A-0413 FIGURE 38: Wiring Diagram Johnson Controls Ducted Systems... -
Page 39: Start Up Sheet
1083286-UIM-L-1219 SECTION XIV: START UP SHEET Johnson Controls Ducted Systems... - Page 40 Subject to change without notice. Published in U.S.A. 1083286-UIM-L-1219 Copyright © 2019 by Johnson Controls. All rights reserved. Supersedes: 1083286-UIM-K-1019 York International Corp. 5005 York Drive Norman, OK 73069...
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