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The FA-TC9102-0331 is a direct digital controller from Johnson Controls designed for effective environmental regulation. It offers two-stage heating and cooling control, integrating fan control through a relay system.
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| Manufacturer | Johnson Controls |
|---|---|
| Product Line | Metasys FA |
| Part Number | FA-TC9102-0331 |
| Weight | 3.00 lbs (1.36 kg) |
| Unit Type | Direct Digital Controller |
| Fan Control | On/Off Relay |
| Heating/Cooling Control | 2-stage, PAT or DAT |
| I/O Terminations | Screw terminal block |
| N2 Bus | Opto-isolated |
| AI Remote Setpoint | Active 3-wire, Pot, at 0 to 10K ohms |
| Operating Environment Rating | 32 to 122°F (0 to 50°C), 10 to 90% RH noncondensing |
| BO Heating/Cooling Control | Triac rated at 0.5A at 24V AC |
| BO Fan Control | Relay rated at 3A at 125/250 VAC, with 1/8 hp maximum |
| AO Heating/Cooling Control and Fan Control | 0 to 10V DC and 10 mA |
| N2 Terminations | Removable-type screw terminal block |
Johnson Controls' FA-TC9102-0331 functions as a direct digital controller specifically tailored for climate control tasks. This unit utilizes an on/off relay for fan operation while supporting two-stage heating and cooling regulations through either the PAT or DAT modes.
In terms of connectivity, the controller's I/O terminations feature screw terminal blocks that allow for straightforward wiring. The N2 Bus, which is opto-isolated, enhances communication stability within the system's infrastructure. An active 3-wire potentiometer operates as the AI remote setpoint, supporting resistance values between 0 and 10K ohms.
The FA-TC9102-0331 can perform effectively in an operating envelope of 32°F to 122°F (0°C to 50°C) while maintaining a humidity level ranging from 10% to 90% without condensation. For building management needs, the BO heating and cooling control is capable of handling a 0.5A current at 24V AC via a triac arrangement, ensuring dependable operation.
Fan control capabilities are addressed by a relay rated for 3A at 125/250 VAC, allowing for the management of motors up to 1/8 horsepower. Furthermore, the unit features analog output capabilities for both heating/cooling and fan controls, operating in a range of 0 to 10V DC with a 10 mA current. This full suite of functionality positions the FA-TC9102-0331 as a versatile solution for direct digital regulation in various building environments.