UNT Controller—Unitary (UNT) Controller
5
Introduction
In this document, Facility Management System (FMS) is a generic term,
which refers to the Metasys® Network, Companion™, and Facilitator™
supervisory systems. The specific system names are used when referring to
system-specific applications.
Table 1: Related Documents
Document Title Code Number FAN
Air Handling Unit (AHU) Controller Technical
Bulletin
LIT-6363010
LIT-1628315
636.3
1628.2
ASC and N2 Bus Troubleshooting Technical
Bulletin
LIT-6363003
LIT-1628310
636.3
1628.2
Controller Access Technical Bulletin
LIT-6364013
LIT-1628413
636.4 / 637.5
1628.4 / 1637.5
N2 Communications Bus Technical Bulletin
LIT-636018
LIT-6281120
LIT-1628120
636
628.1
1628.1
Universal Packaging Module Technical Bulletin
LIT-6363070
LIT-1628370
636.3
1628.2
Zone Terminal Technical Bulletin
LIT-6363014
LIT-1628330
636.3
1628.2
The Unitary (UNT) Controller is an electronic device for digital control of
packaged air handling units, unit ventilators, fan coils, heat pumps, and
other terminal units serving a single zone or room. It also can be
configured as a generic Input/Output (I/O) device for basic point
monitoring applications when used within a Metasys Network.
You can easily configure point inputs and outputs, and software features to
control a wide variety of Heating, Ventilation, and Air Conditioning
(HVAC) equipment applications. The UNT may be used as a standalone
controller or connected to a FMS.
When connected to a FMS, the UNT provides all point control information
to the rest of the network. The devices communicate through an N2 Bus.
For a smaller facility, the UNT can function as a standalone controller.
Figure 1 illustrates the UNT.
Description
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