Johnson Controls TM9TMP installation manual* Airflow

Page 19

Johnson Controls Unitary Products

FIGURE 25: Downflow Configuration

When drain hose routing changes are required, be sure to cap all un-used openings.

If rerouting hoses - excess length should be cut off so that no sagging loops will collect and hold condensate, which will cause the furnace to not operate.

AIRFLOW	AIRFLOW

1Move rain gutter hose

to this position.

2Move pressure switch hose to this position. NOTE: May require

the longer hose that is provided with wider cabinets.

3 Move rain gutter hose to this position.

4 Move condensate drain hose to this position (may exit either side of the

	cabinet).
DOWNFLOW - INDUCER ROTATED	DOWNFLOW - INDUCER ROTATED
FOR LEFT SIDE VENTING	FOR RIGHT SIDE VENTING

505309-UIM-D-0511

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Contents List of Tables Models TM9T*MPList of Sections List of FiguresSpecific Safety Rules and Precautions Section I SafetySafety Requirements Codes and Standards Combustion AIR Quality List of ContaminantsFurnace Location and Clearances InspectionDuct Flanges Floor Base and Ductwork Installation DownflowSection II Ductwork Ductwork General InformationCoil Flange Installation Coil InstallationCOIL/FURNACE Assembly MC/FC/PC Series Coils Furnace Assembly MC & FC Series CoilsCritical Coil Projection Coil / Furnace Assembly HC Series CoilsDownflow Duct Connectors Bottom Return and Attic InstallationsDownflow Application Attic InstallationSuspended Furnace / Crawl Space Installation Horizontal ApplicationSection III Filters Filter InstallationSide Return Horizontal Filters GAS SafetyGAS Piping Installation Section IV GAS PipingGAS Orifice Conversion for Propane LP Section V Electrical PowerHigh Altitude Pressure Switch Conversion Electrical Power ConnectionsSupply Voltage Connections LOW Voltage Control Wiring ConnectionsPP32U70124 DN22H00124 DP22U70124 Two Stage Air Conditioner Two Stage PSC FurnaceTWO Stage PSC Furnace OD Models Section VI Twinning Condensate hoses must slope downwards at all points Twinning Instructions Twinning Operation Condensate Drain LocationTypical. Combustion Pipe Drain Tee Condensate Drain TerminationWill cause the furnace Airflow Horizontal Left Johnson Controls Right ConfigurationModel Input Pipe Size Maximum Combustion AIR and Vent SafetySection Viii Combustion AIR and Vent System Combustion AIR/VENT Pipe SizingFitting Equivalent Length Combustion AIR and Vent Piping AssemblyElbow a Dimension Combustion AIR / VentingHome Layout Vent ClearancesVent Applications and Termination Vent SystemVenting Multiple Units Ambient Combustion Air Supply Downward VentingOutdoor Combustion Air Combustion AIR SupplyFree Area Combustion Air Source From OutdoorsDampers, Louvers and Grilles Canada Only Air Supply Openings and DuctsVent Blower Rotation Specially Engineered InstallationsVentilated Combustion Air Ventilated Combustion Air TerminationIgnition System Sequence Section IX START-UP AdjustmentsGAS Piping Leak Check Calculating the Furnace Input NAT. GASSeconds For Revolution Cu FtRead the inlet gas pressure Adjustment of Manifold GAS Pressure & Input RateRead the manifold gas pressure Adjustment of FAN Control Settings Adjustment of Temperature RiseBottom Airflow Data Scfm Blower Performance CFM Any Position without filterLeft Side Airflow Data Scfm Section XI Normal Operation and Diagnostics Section X Safety ControlsFurnace Control Diagnostics Diagnostic Fault Code Storage and Retrieval Section XII Replacement Parts ListFabricated Parts Wiring Diagram Section Xiii Wiring DiagramJohnson Controls Unitary Products York Drive Norman, OK

FIGURE 25: Downflow Configuration

AIRFLOW