Description
The Johnson Controls TC-9102-0331 is a fan coil unit controller from the Johnson Controls System 9100 range. The Johnson Controls technical bulletin for this model is titled "Fan coil unit controller with room command module".
The TC-9102 is a microprocessor-based Direct Digital Controller (DDC) designed for fan coil unit control, used with a Room Command Module. The controller supports 3-speed fan control and connects to the N2 bus through an optically isolated RS-485 interface at 9600 baud; the N2 bus connections are electrically isolated from other TC-9102 circuitry to 500 V by optical and magnetic coupling. When installed in a network the TC-9102 receives commands from the supervisory system on the N2 bus and transmits status reports in return, and upon loss of N2 communication the TC-9102 waits two hours before reverting to standalone control.
Features
* microprocessor-based Direct Digital Controller for fan coil units
* 3-speed fan control
* optically isolated RS-485 interface for N2 bus connection at 9600 baud
* Room Command Module (TM-9180) interface at 600 baud, non-isolated
* separable terminal blocks available as an option
* reverts to standalone control two hours after loss of N2 communication
* Brand / Manufacturer: Johnson Controls
* Model Number: TC-9102-0331
* Product Type: Fan coil unit controller (microprocessor-based DDC)
* Series: TC-9102 (System 9100 / Metasys)
* Fan Control: 3-speed fan
* Communication: N2 bus, optically isolated RS-485 at 9600 baud, isolated to 500 V
* Room Command Module: TM-9180 interface at 600 baud, non-isolated (module ordered separately)
* Temperature Sensor: NTC type TM-9100 only
* Terminals: Separable terminal blocks available as an option
* Fallback: Reverts to standalone control two hours after loss of N2 communication
* Condition: Reconditioned
Please note: The Johnson Controls bulletin does not map the individual TC-9102 dash numbers to specific input, output or fan configurations, so nothing beyond the fan coil unit controller class and the series-level specifications above is claimed for this code number. This unit is reconditioned, not new surplus. Column E of this row gives an alternate part number, 27-85057-13. A new-condition unit of the same code number is listed separately in this catalog. Please confirm the configuration against your source catalog before publishing or ordering.
Installation cautions from the Johnson Controls bulletin: CAUTION - Control Malfunction: do not mount the TC-9102 closer than one inch (25 mm) to line voltage or electrically noisy devices. CAUTION - Control Malfunction: use only an NTC type temperature sensor (TM-9100) with the TC-9102 Controller. For N2 bus runs up to 5,000 feet use 22 AWG or heavier twisted pair wire; runs longer than 5,000 feet require a bus repeater, and an N2 network may be extended to a maximum length of 15,000 feet. Upon product delivery, test a sample of the shipment by loading a job configuration prior to installation at the job site. The Configuration Tools for Windows (WS-EURPRO-0) or TC-9100 Commissioning Tool software (TC-9100-TOOL) running on a PC is required to verify the operation of the controller and to change parameters.
Room Command Modules for this controller are ordered separately (TM-9150, TM-9160, TM-9170 and TM-9180 ordering codes). All standard models have an off-white cover and grey base; add "-W" to the code for a white cover and white base, and add "-K" for a set point dial with a serrated edge (not available for the TM-9150 or TM-9180). Refer to the Metasys TC-9102 Series Technical Bulletin, Fan coil unit controller with room command module, for important product information.
Johnson Controls / Johnson Controls
TC-9102-0331 / TC91020331
27-85057-13 / 278505713
Warranty Information
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