Trane N512 用户手册
CNT-SVX07C-EN
13
Chapter 4
Input/output functions and
wiring for typical applications
wiring for typical applications
This chapter provides information about the function of inputs and out-
puts and examples of wiring for typical applications. Applications sup-
ported by the Tracer ZN521 zone controller are shown in Table 2.
puts and examples of wiring for typical applications. Applications sup-
ported by the Tracer ZN521 zone controller are shown in Table 2.
Figures 7 through 17 (pages 23 through 33) show typical wiring diagrams
that include all required and all optional components for typical applica-
tions.
that include all required and all optional components for typical applica-
tions.
Table 2. Typical applications for the Tracer ZN521 zone controller
Application
Multip
le f
a
n s
p
ee
d
Dehum
idifi
c
ati
o
n
A
u
to
mi
n
imu
m
d
a
m
p
er
a
d
ju
s
t
F
a
c
e
a
nd b
y
pas
s
d
a
mp
er
Va
lv
e
c
o
n
tr
o
l
Eco
nomi
z
in
g
A
u
xilia
ry (b
ase
boa
rd
) h
eat
Elec
tr
ic hea
t
2-pipe hydronic cooling only
x
x
x
x
x
x
2-pipe hydronic heating only
x
x
x
x
x
x
2-pipe changeover
x
x
x
x
x
x
x
x
2-pipe steam only
x
x
x
x
x
x
4-pipe hydronic heating and cooling
x
x
x
x
x
x
x
4-pipe changeover
x
x
x
x
x
x
x
4-pipe steam/chilled water
x
x
x
x
x
Electric heat only (single- and two-stage)
x
x
×
DX/hydronic heating
x
x
x
x
x
DX/steam heating
x
x
x
x
x
DX cooling only
x
x
x