368261-UIM-A-0508EFFICIENCYRATINGCERTIFIEDISO 9001Certified QualityManagement SystemRESIDENTIAL GAS FURNACE WITH PSC MOTORMODELS:TM8M/TMLM*MP, YM8M/Y
368261-UIM-A-050810 Johnson Controls Unitary ProductsHIGH ALTITUDE NATURAL GAS ORIFICE CONVERSIONThe National Fuel Gas Code requires that gas applianc
368261-UIM-A-0508Johnson Controls Unitary Products 11SUPPLY VOLTAGE CONNECTIONS1. Provide a power supply separate from all other circuits. Installover
368261-UIM-A-050812 Johnson Controls Unitary ProductsFor additional connection diagrams for all UPG equipment refer to “Low Voltage System Wiring” doc
368261-UIM-A-0508Johnson Controls Unitary Products 13 FIGURE 21: Thermostat Chart - Two Stage Air Conditioner – Variable Speed or PSC Modulating Furn
368261-UIM-A-050814 Johnson Controls Unitary Products FIGURE 22: Thermostat Chart - Two Stage Air Conditioner with Single Stage Thermostat – Variabl
368261-UIM-A-0508Johnson Controls Unitary Products 15 FIGURE 23: Thermostat Chart - Single Stage Heat Pump – Variable Speed or PSC Modulating Furnace
368261-UIM-A-050816 Johnson Controls Unitary Products FIGURE 24: Thermostat Chart - Single Stage Heat Pump – Variable Speed or PSC Modulating Furnace
368261-UIM-A-0508Johnson Controls Unitary Products 17 FIGURE 25: Thermostat Chart - Two Stage Heat Pump – Variable Speed or PSC Modulating FurnaceORe
368261-UIM-A-050818 Johnson Controls Unitary ProductsACCESSORY CONNECTIONSThe furnace control will allow power-switching control of various acces-sori
368261-UIM-A-0508Johnson Controls Unitary Products 19An unconfined space is not less than 50 cu.ft (1.42 m3) per 1,000 Btu/hr (0.2928 kW) input rating
368261-UIM-A-05082 Johnson Controls Unitary ProductsSPECIFIC SAFETY RULES AND PRECAUTIONS1. Only Natural gas or Propane (LP) gas are approved for use
368261-UIM-A-050820 Johnson Controls Unitary Products2. One permanent openings, commencing within 12 in (30.5 mm)ofthe top of the enclosure shall be p
368261-UIM-A-0508Johnson Controls Unitary Products 216. Remove the burner assembly. It should be possible to swing theburner assembly out of the way w
368261-UIM-A-050822 Johnson Controls Unitary ProductsTable 10: Gas Rate (CU FT/HR) at Full InputSeconds For 1 RevolutionSize of Test DialSeconds For 1
368261-UIM-A-0508Johnson Controls Unitary Products 23ADJUSTMENT OF MANIFOLD GAS PRESSURE* The gas line pressure MUST BE• 7” W.C. (1.74 kPA) for Natura
368261-UIM-A-050824 Johnson Controls Unitary ProductsADJUSTMENT OF FAN CONTROL SETTINGSCooling - The airflow delivered by the furnace during cooling o
368261-UIM-A-0508Johnson Controls Unitary Products 25PRESSURE CONTROLSPressure Sensor - This furnace is equipped with a pressure sensor inthe burner c
368261-UIM-A-050826 Johnson Controls Unitary ProductsThree Red Flashes - Stuck open pressure switch. This indicates thatthe pressure switch is open wh
368261-UIM-A-0508Johnson Controls Unitary Products 27SECTION XI: REPLACEMENT PARTS LISTDESCRIPTIONMOTORMOTOR, DIRECT DRIVE BLOWERBLOWER, COMBUSTIONELE
Subject to change without notice. Printed in U.S.A. 368261-UIM-A-0508Copyright © 2008 by Johnson Controls, Inc. All rights reserved. Supersedes: Nothi
368261-UIM-A-0508Johnson Controls Unitary Products 3CODES AND STANDARDSFollow all national, local codes and standards in addition to this installa-tio
368261-UIM-A-05084 Johnson Controls Unitary ProductsFURNACE LOCATION AND CLEARANCESThe furnace shall be located using the following guidelines:1. Wher
368261-UIM-A-0508Johnson Controls Unitary Products 5DUCT FLANGESFour flanges are provided to attach ductwork to the furnace. Theseflanges are rotated
368261-UIM-A-05086 Johnson Controls Unitary ProductsFor horizontal left hand applications no conversion is required to an MCcoil when used with a down
368261-UIM-A-0508Johnson Controls Unitary Products 7BOTTOM RETURN AND ATTIC INSTALLATIONSBottom return applications normally pull return air through a
368261-UIM-A-05088 Johnson Controls Unitary ProductsSECTION III: FILTERSFILTER INSTALLATIONAll applications require the use of a field installed filte
368261-UIM-A-0508Johnson Controls Unitary Products 9HORIZONTAL APPLICATIONHorizontal FiltersAny branch duct (rectangular or round duct) attached to th
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