6021980-UIM-A-1120Johnson Controls Ducted Systems 7Figure 4: Component locationFigure 4 shows the ZT078-102 model. Table 1 lists the components of the unit.Table 1: Component location tableItem Description Item DescriptionA Smart Equipment™ supply fan controls with IntelliSpeed™. Includesscrew connectors for thermostat wiring and network connections K Power ventor motorB Disconnect location, optional disconnection switch L Two stage gas heating to maintain a warm, comfortabletemperatureC Filter access, 2-inch or 4-inch filter options M 20-gauge aluminized steel tubular heat exchanger for longlife. Stainless steel optionD High efficiency sine wave fin evaporator coil N Intelligent control board for safe and efficient operationE ECM outdoor fan motor O Slide-out drain pan with 1-inch NPT connectionF Micro-channel aluminum tube/aluminum fin condenser P Toolless door latchG Premium efficiency belt-drive blower motor Q Compressor access (High-efficiency 2-stage compressor)H Variable frequency drive R Base rails with forklift slots (three sides) and lifting holes 11. Roof curbs in eight-and fourteen-inch heights. Roof curbs to transition from a Sunline™ footprint to the ZT Series footprint are available asa field-installed accessory.I Solid core filter drier S Second model nameplate inside hinged access panelJ Slide-out motor and blower assembly for easy adjustment andservice