Technical Bulletin—TC-9102 3
Introduction
The TC-9102 series of microprocessor-based controllers is designed for
the control of Fan Coil Units (FCUs) with heating and cooling, and a
single-speed, 3-speed or variable-speed fan. The controller can regulate
water valves, one or 2-stage electric heating, or a cooling unit where the
compressor has its own short cycle protection.
The comfort temperature set point of the controller may be adjusted via a
TM-9100 Series Room Command Module, and the occupied and
unoccupied control modes of operation temporarily changed. A window
open sensing contact may be connected to switch the controller to the off
mode, and a low temperature limit protection feature is available.
The controller is factory-configured to control with default operating
parameters so that no external setup devices are necessary. However, a
software package for a PC is available to verify the correct operation of
the controller and to modify the configuration, if necessary.
Winter and summer compensation may be enabled when the controller
receives outdoor air temperature data via the communications bus, and
modes of operation may be set by time scheduling programs or control
processes in the supervisory system.
2357 2664
Figure 1: TC-9102 Controller Figure 2: TM-9160 Room
Command Module
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