20 CNT-SVX11A-EN
Configuration
Table 7:Typical Applications Supported
1
Trane configures the Tracer® ZN524
Unit Controller at the factory per the
selected unit configuration. The con-
troller is applied to water-source heat
pumps designed for cooling only or
standard heat pump usage, in both sin-
gle or dual-compressor design. The
controller also supports the useage of
water-side economizer, hot gas reheat,
electric heat or boilerless units. Table 7
defines the configuration options sup-
ported by the ZN524 controls.
Configurable parameters
Rover service tool uses the unit type to
determine and download many other
aspects of the unit configuration, such
as the default analog input configura-
tion, the default binary input configura-
tion, and the default binary output con-
figuration.
Cooling source
• DX Cooling
• Waterside economizer
Heating source
• None
• Electric heat
• DX Heating
Unit Water-side Hot Gas Electric Boilerless
Economizer Reheat Heat
Cooling Only X
X
X
XX
XX
Heat X
Pump X
X
X
XX
XX
X X
1. Information applies to both single or dual compressor design
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