| General Purpose Unit Control 
General purpose controllers provide the capability to tie
Trane equipment without unit control modules and non-Trane equipment into the Trane
communication network. Products include the Thermostat Control Module, Programmable
Control Module, and the Universal Programmable Control Module.
Thermostat Control Module
The Thermostat Control Module (TCM) provides a basic yet
powerful interface between Tracer Summit, Tracer 100 series, or Tracker systems and
mechanical equipment.
The TCM can extend the Integrated comfort system (ICS)
technology to existing, auxiliary, and non-Trane equipment. The TCM communicates with a
building controller over a single communication link.
ICS Capability
The TCM provides an interface between the building control
panel and equipment not having Trane Unit Control Modules (UCMs), such as lighting, fans,
and non-Trane unitary equipment normally operated by a standard thermostat.
Software Capabilities
The TCM can function either as a 2-stage heat/2-stage cool
thermostat for air conditioning units and heat pumps, or as a provider of slave points for
the building management panel. In thermostat mode, the TCM monitors its sensors and
controls its outputs like a wall thermostat. The TCM can be configured as either a 2-stage
heat/2-stage cool air conditioning thermostat or a heat pump thermostat. This control
resides in the TCM, and the TCM can operate standalone (without the building management
panel) during system startup or when there is a communication loss.
In slave mode, the building controller monitors the TCM
inputs and directly controls the TCM outputs. The TCM input and output points function as
though they are hardwired, generic points on the building control panel.
The building control panel provides control such as time of
day scheduling and demand limiting.
See the appropriate Building Control section of this
catalog for details on each panel’s capabilities.
Hardware Description
Three versions of the TCM are available:
- Standard ambient:
Resin enclosure (32 to 120° F, 0 to 49° C)
- Extended ambient:
NEMA Type 1 metal enclosure (-40 to 158° F, -40 to 70° C)
- Weatherproof:
NEMA Type 4 metal enclosure suitable for outdoor use (-40 to 158° F, -40 to 70° C)
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