CNT-SVX04A-EN
10
Features
Table 2 Tracer ZN.520 zone controller features and coil availability
Note
1
: Multiple fan speeds are available in hydronic units only.
Note
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.
Note
3
: Units with face bypass dampers cannot actively dehumidify.
Coil Multiple
fan
speeds
Dehumid-
ification
Auto
damper
adjust
Face and
bypass
damper
Valve
control
Economizer
damper
Auxiliary
heat
(Note 2)
Entering
water
temperature
sampling
2-pipe changeover X X X X X X X
2-pipe hot water only X X X X X X
2-pipe steam only X X X X X
2-pipe changeover/electric heat X X X X X X X
2-pipe cool only X X X X
2-pipe cool only/electric heat
X
1
X
1
XX X
4-pipe hot water/chilled water X X X
X
3
XX X
4-pipe changeover X X X
X
3
XX X X
4-pipe steam/chilled water X X X X X
Electric heat only XX
DX/hot water
X
1
X
1
XX X
DX/steam
X
1
X
1
XX X
DX/electric heat XX
DX cooling only X