UNT Controller—Unitary (UNT) Controller
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Downloading/Commissioning
Commissioning a UNT begins after the unit is mounted and wired, and the
control and hardware/software features have been defined through
HVAC PRO for Windows. Refer to the HVAC PRO for Windows User’s
Manual (FAN 637.5 or 1637.5) for complete controller configuration and
commissioning information. A Zone Terminal or laptop PC with
HVAC PRO for Windows is recommended to perform a complete system
startup procedure. However, these accessories are not required for the
basic procedure detailed in this section.
Downloading and commissioning via the Zone Bus requires using the
CBLPRO interface and a laptop or PC running the HVAC PRO for
Windows software. You can connect to the Metastat 6-pin connector or
directly at the controller. UNT140/141 models have a spare 6-pin
connector so that the connection from a Metastat or Zone Sensor would
not need to be disconnected during download/commissioning.
Communication rate is 1200 baud over the Zone Bus. See Figure 17.
HVAC PRO for Windows, Release 5.00 or higher, allows you to perform
downloading and commissioning over the N2 Bus using MM-CVT101-0,
Metasys OWS Release 6.0 or higher, or Companion/Facilitator
Release 6.00 and Controller Access. Because the communication rate is
9600 baud, performing this process over the N2 Bus saves a great deal
of time when loading the initial configuration files and parameters into the
controller.
Commissioning
Procedures
Via Zone Bus
Via N2 Bus
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