General Information
CNT-SVX11A-EN 5
Tracer® ZN524 Overview
The Trane Tracer® ZN524 controller is a
factory-installed and commissioned,
direct-digital controller (DDC) offering
for single or dual compressor water-
source heat pump systems. (See Figure
1: “Tracer ZN524 Control Board”)
Trane offers a complete solution to
space comfort control with the flexibili-
ty of Integrated Comfort System (ICS)
and stand-alone control packages. The
ICS control package combines HVAC
equipment and building management
into one environmental comfort sys-
tem.
Integrating the Tracer ZN524 on water-
source heat pumps and tying them to a
Tracer Summit® system will provide a
complete building management sys-
tem. The stand-alone control package
offers the features and functionality of
the direct digital control without a
front-end building automation system,
while providing future considerations
for ICS.
Equipment problems can often be diag-
nosed on each unit without having to
access the unit componets. These diag-
nostics can be received remotely via a
modem with a Tracer Summit building
automation system, thus reducing the
number of actual on-site service calls;
through the Rover® service tool con-
nected to a communication jack located
inside the Trace zone sensor; or con-
nected to the unit.
The Tracer ZN524 is factory-mounted,
tested, wired, configured and commis-
sioned for the selected application.
The Tracer ZN524 configuration has
flexible point and product configura-
tions. For example, with point configu-
ration, a specific binary point can be
configured to accept input from either a
time clock or some type of generic
device.
Figure 1: Tracer ZN524 control board
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