York ZT SERIES - Advanced, versatile controls; Smart Equipment control boards

6021980-UIM-A-1120
Johnson Controls Ducted Systems 7
Figure 4: Component location
Figure 4 shows the ZT078-102 model. Table 1 lists the components of the unit.
Table 1: Component location table
Item Description Item Description
A
Smart Equipment™ supply fan controls with IntelliSpeed™. Includes
screw connectors for thermostat wiring and network connections
K Power ventor motor
B Disconnect location, optional disconnection switch L
Two stage gas heating to maintain a warm, comfortable
temperature
C Filter access, 2-inch or 4-inch filter options M
20-gauge aluminized steel tubular heat exchanger for long
life. Stainless steel option
D High efficiency sine wave fin evaporator coil N Intelligent control board for safe and efficient operation
E ECM outdoor fan motor O Slide-out drain pan with 1-inch NPT connection
F Micro-channel aluminum tube/aluminum fin condenser P Toolless door latch
G 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
1
1. Roof curbs in eight-and fourteen-inch heights. Roof curbs to transition from a Sunline™ footprint to the ZT Series footprint are available as
a field-installed accessory.
I Solid core filter drier S Second model nameplate inside hinged access panel
J
Slide-out motor and blower assembly for easy adjustment and
service