Catalogue

6 UNT-PRC001-EN
Features and Benefits
• All wall-mounted zone sensors require only low voltage control wiring from the device to the
unit control box. (No line voltage.)
• The controller automatically determ
ines the unit’s correct operating mode (heat/cool) by
utilizing a proportional/integral (PI) control algorithm to maintain the space temperature at the
active setpoint, allowing total comfort control.
• Entering water temperature sampling elim
inates the need for inefficient bleedlines to sense
automatic changeover on two-pipe changeover units.
• The random start-up feature helps reduce electrical demand peaks by randomly staggering
m
ultiple units at start-up.
• Occupied/unoccupied operation allows the controller to utilize unoccupied temperature
setp
oints for energy savings.
• Warm-up and cool-down energy features are standar
d with Trane controls.
• Continuous fan or fan cycling
is available with Tracer ZN010 or ZN510.
• Monitor unit operation using Tracer TU building management system with Tracer ZN510 or
ZN5
20 and UC400.
• To customize unit control, Tracer TU or Rover™ software will allow field modification of
T
racer ZN510 and ZN520 default settings. Tracer ZN010 uses Rover to field modify default
settings. UC400 uses Tracer TU.
• Maximize fan-coil system efficie
ncy with free cooling economizers and modulating valves on
units with Tracer ZN520 and UC400.
Flexibility
• Two, three, and four-row coils allow greater design flexibility in two and four-pipe systems.
• One-row steam or hot water reheat coils for dehumidification on units with ZN520 controls.
• Fan motors are available for either high static (0.4-inc
h external static pressure) or free
discharge applications.
• Piping is factory assembled, mounted and teste
d. Units are also available without piping.
Reheat coil piping is available on 2-pipe units with hot water reheat coils and either a fan speed
switch or Tracer ZN520 and UC400.
• Factory piping options include interconnecting piping, control valves, and end valves. Deluxe
p
iping also has unions and a strainer.
• Control options range from a simple fan speed swi
tch to a DDC controller that can tie into a
Tracer Summit building automation system.
• An 8-inch extended end pocket is an available option on the piping end of cabinet style units.
• Slope-top vertical cabinet units a
re also available for school and dormitory applications to
prevent items from being placed on top of the units.
Quality
• Coils and piping packages are air and leak-tested before mounting on the fan-coil.
• Coil piping connections are also air and le
ak-tested after mounting on the unit.
• All control end devices and moving components (f
ans and motors) are computer-tested after
units are complete.
Serviceability
• Touch-safe control box.
• Integrated user interface with real language LED display.
• Built-in tachometer.
UNT-PRC001-EN.book Page 6 Tuesday, May 8, 2012 10:54 AM