Johnson Controls TM9T*MP - Manuals

505309-UIM-D-0511 Johnson Controls Unitary Products 5 SECTION II: DUCTWORK DUCTWORK GENERAL INFORMATION The duct system’s design and installation must: 1. Handle an air volume appropriate for the served space and within the operating parameters of the furnace specifications. 2. Be installed in accor...

505309-UIM-D-0511 6 Johnson Controls Unitary Products COIL INSTALLATION COIL/FURNACE ASSEMBLY - MC/FC/PC SERIES COILS FURNACE ASSEMBLY - MC & FC SERIES COILS These coils are factory shipped for installation in either upflow or down-flow applications with no conversion. Position the coil casing o...

505309-UIM-D-0511 Johnson Controls Unitary Products 7 Dimension “C” should be at least 2/3 of dimension “D”. See Figure 6 CRITICAL COIL PROJECTION The coil assembly must be located in the duct such that a minimum dis-tance is maintained between the top of the coil and the top of the duct.Refer to Ta...

505309-UIM-D-0511 8 Johnson Controls Unitary Products HORIZONTAL APPLICATION ATTIC INSTALLATION This appliance is certified for line contact when the furnace is installedin the horizontal left or right position. The line contact is only permissiblebetween lines that are formed by the intersection of...

505309-UIM-D-0511 Johnson Controls Unitary Products 9 SECTION III: FILTERS FILTER INSTALLATION All applications require the use of a field installed filter. All filters andmounting provision must be field supplied. Filters must be installed external to the furnace cabinet. DO NOT attempt to install ...

505309-UIM-D-0511 10 Johnson Controls Unitary Products HORIZONTAL APPLICATION Horizontal Filters Any branch duct (rectangular or round duct) attached to the plenummust attach to the vertical plenum before the filter. The use of strapsand/or supports is required to support the weight of the external ...

505309-UIM-D-0511 Johnson Controls Unitary Products 11 GAS ORIFICE CONVERSION FOR PROPANE (LP) This furnace is constructed at the factory for natural gas-fired operation,but may be converted to operate on propane (LP) gas by using a factory-supplied LP conversion kit. Follow the instructions supplie...

505309-UIM-D-0511 12 Johnson Controls Unitary Products Annual Fuel Utilization Efficiency (AFUE) numbers are determined in accordance with DOE Test procedures.Wire size and over current protection must comply with the National Electrical Code (NFPA-70-latest edition) and all local codes.The furnace ...

505309-UIM-D-0511 Johnson Controls Unitary Products 13 For additional connection diagrams for all Johnson Controls Unitary Products’ equipment refer to “Low Voltage System Wiring” document availableon-line at www.upgnet.com in the Product Catalog Section. FIGURE 18: Thermostat Chart - Single Stage A...

505309-UIM-D-0511 14 Johnson Controls Unitary Products FIGURE 19: Thermostat Chart - Two Stage HP with Two Stage PSC Furnace HP 22A O Reversing Valve Energized in Cool C 24 – Volt Common R 24 – Volt Hot W1 OUT First Stage Heat W2 OUT Second Stage Heat Y2 OUT Second Stage Compressor Y1 Single Stage C...

505309-UIM-D-0511 Johnson Controls Unitary Products 15 ACCESSORY CONNECTIONS The furnace control will allow power-switching control of various accessories. ELECTRONIC AIR CLEANER CONNECTION Two 1/4” (6.4 mm) spade terminals (EAC and NEUTRAL) for electronicair cleaner connections are located on the c...

505309-UIM-D-0511 16 Johnson Controls Unitary Products Twinning Instructions Connect the control wiring as shown in Figure 21. 1. Connect the low voltage wiring from the wall thermostat to the termi- nal strip on the control board of Furnace #1. 2. Connect a wire from the TWIN terminal of Furnace #1...

505309-UIM-D-0511 Johnson Controls Unitary Products 17 The condensate will flow to the drain better if an open stand pipe isinstalled in the drain line. See Figure 22. If evaporator coil or humidifier drains are combined with the furnacedrain, then the open stand pipe could be raised higher, above t...

505309-UIM-D-0511 18 Johnson Controls Unitary Products FIGURE 24: Upflow Configuration INDUCER ROT A TED FOR LEFT SIDE VENTING UPFLOW AS RECEIVED INDUCER ROT A TED FOR RIGHT SIDE VENTING When drain hose routing changes are required, be sure to cap all un-used openings. If rerouting hoses - excess le...

505309-UIM-D-0511 Johnson Controls Unitary Products 19 FIGURE 25: Downflow Configuration AIRFLOW AIRFLOW Move rain gutter hose to this position. DOWNFLOW - INDUCER ROT A TED FOR LEFT SIDE VENTING DOWNFLOW - INDUCER ROT A TED FOR RIGHT SIDE VENTING Move pressure switch hose to this position. NOTE: Ma...

505309-UIM-D-0511 20 Johnson Controls Unitary Products FIGURE 26: Horizontal Left Configuration HORIZONT AL - LEFT INDUCER ROT A TED HORIZONT AL - LEFT INDUCER AS RECEIVED AIRFLOW AIRFLOW Move pressure switch hose to this position. NOTE: May require the longer hose that is provided with wider cabine...

505309-UIM-D-0511 Johnson Controls Unitary Products 21 FIGURE 27: Horizontal Right Configuration AIRFLOW HORIZONT AL - RIGHT INDUCER ROT A TED HORIZONT AL - RIGHT INDUCER AS RECEIVED Move rain gutter hose to this position. Move pressure switch hose to this position. Change condensate drain connectio...

505309-UIM-D-0511 22 Johnson Controls Unitary Products SECTION VIII: COMBUSTION AIR AND VENT SYSTEM COMBUSTION AIR AND VENT SAFETY This Category IV, dual certified direct vent furnace is designed for resi-dential application. It may be installed without modification to the con-densate system in a ba...

505309-UIM-D-0511 Johnson Controls Unitary Products 23 Dimensions are those required in Standard ASTM D-3311. Example: An 80,000 BTUH furnace requires 32 feet of pipe and five 90º elbows.Using 2" pipe and standard elbows, the total equivalent length will be: This exceeds the 65 foot maximum equi...

505309-UIM-D-0511 24 Johnson Controls Unitary Products VENT CLEARANCES † A vent shall not terminate directly above a sidewalk or paved driveway that is located between two single family dwellings and serves both dwellings. †† 12” (30.5 cm) up from the bottom edge of the structure for Two-pipe (direc...

505309-UIM-D-0511 Johnson Controls Unitary Products 25 VENT SYSTEM This furnace is certified to be installed with one of two possible ventconfigurations. 1. Horizontal vent system. This vent system can be installed com- pletely horizontal or combinations of horizontal, vertical, or offsetusing elbow...

505309-UIM-D-0511 26 Johnson Controls Unitary Products DOWNWARD VENTING In some applications, it may be necessary to run the vent pipe and airintake downwards. If this is to be done, the following rules must be fol-lowed. • A condensate trap hose must be connected to both the air intake pipe and the...

505309-UIM-D-0511 Johnson Controls Unitary Products 27 An unconfined space is not less than 50 cu.ft (1.42 m 3 ) per 1,000 Btu/ hr (0.293 kW/h) input rating for all of the appliances installed in thatarea. Rooms communicating directly with the space containing the appli-ances are considered part of ...

505309-UIM-D-0511 28 Johnson Controls Unitary Products Combustion Air Source from Outdoors 1. Two permanent openings, one within 12” (30.5 cm) of the top and one within 12” (30.5 cm) of bottom of the confined space, Two per-manent openings, shall communicate directly or by means of ductswith the out...

505309-UIM-D-0511 Johnson Controls Unitary Products 29 SECTION IX: START-UP AND ADJUSTMENTS The initial start-up of the furnace requires the following additionalprocedures: When the gas supply is initially connected to the furnace, the gas pipingmay be full of air. In order to purge this air, it is ...

505309-UIM-D-0511 Johnson Controls Unitary Products 31 ADJUSTMENT OF MANIFOLD GAS PRESSURE & INPUT RATE Inlet and manifold gas pressure may be measured by connecting the“U” tube manometer to the gas valve with a piece of tubing. Follow theappropriate section in the instructions below. Refer to F...

505309-UIM-D-0511 32 Johnson Controls Unitary Products ADJUSTMENT OF TEMPERATURE RISE After about 5 minutes of operation, determine the furnace temperaturerise. Take readings of both the return air and the heated air in the ducts,about six feet (1.83 m) from the furnace where they will not be affect...

505309-UIM-D-0511 Johnson Controls Unitary Products 33 NOTES: 1.Airflow expressed in standard cubic feet per minute (CFM).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. ...

505309-UIM-D-0511 34 Johnson Controls Unitary Products SECTION X: SAFETY CONTROLS CONTROL CIRCUIT FUSE A 3-amp fuse is provided on the control circuit board to protect the 24-volt transformer from overload caused by control circuit wiring errors.This is an ATO 3, automotive type fuse and is located ...

505309-UIM-D-0511 Johnson Controls Unitary Products 35 FURNACE CONTROL DIAGNOSTICS The furnace has built-in, self-diagnostic capability. A blinking LED lighton the control board can flash red, green or amber to indicate variousconditions. The control continuously monitors its own operation and theop...

505309-UIM-D-0511 36 Johnson Controls Unitary Products DIAGNOSTIC FAULT CODE STORAGE AND RETRIEVAL The control in this furnace is equipped with memory that will store up tofive error codes to allow a service technician to diagnose problemsmore easily. This memory will be retained even if power to th...

505309-UIM-D-0511 Johnson Controls Unitary Products 37 SECTION XIII: WIRING DIAGRAM FIGURE 43: Wiring Diagram LEGEND DSDoorswitch MOTCirculatin g motor LSLimitswitch ROSRolloutswitch IDMInducermotor HUMHumidif ier XFMRTransformer EACElectronic aircleaner FSFlames enso r HSIHotsurfaceigniter GVGas va...

Subject to change without notice. Published in U.S.A. 505309-UIM-D-0511 Copyright © 2011 by Johnson Controls, Inc. All rights reserved. Supersedes: 505309-UIM-C-0910 Johnson Controls Unitary Products 5005 York Drive Norman, OK 73069