Trane Tracer ZN.520 Installation Owner Diagnostics page 5

Table 1: Tracer™ ZN.520 Unit Controller features and coil availability
Multiple
Coil
Fan Speeds
2-pipe changeover X
2-pipe hot water
X
only
2-pipe steam only X
2-pipe changeover/
X
electric heat
2-pipe cool only X
2-pipe cool only/
X
electric heat
4-pipe hot water/
X
chilled water
4-pipe changeover X
4-pipe steam/chilled
X
water
Electric heat only
DX/hot water X
DX/steam X
DX/electric heat
DX cooling only
1. Multiple fan speeds are available in hydronic units only.
2. Auxiliary heat is designed to bring on baseboard heat as the second stage of heating. The baseboard heat must be the same type as the
unit heating coil.
3. Units with face bypass dampers cannot actively dehumidify.
8
General Information
Auto
Dehumid-
Damper
ification
Adjust
X
X
X
X X
X
X
1 1
X X
X X
X
X
1 1
X
1 1
Face and
Valve Economizer
Bypass
Control Damper
Damper
X X
X X
X
X
X
X
X X
3
X X
3
X
X
X
Entering
Auxiliary
Heat Temperature
2
Sampling
X X
X X
X X
X X
X
X X
X X
X X
X X
X X
X X
X X
X X
X
UV-SVP01A-EN
Water
X
X
X