14 / 16
Typical Air Handling Unit Application Wiring Diagram
Service PIN Button
Cool
Heat
R
e
tu
rn
A
ir
T
e
m
p
e
ra
tu
re
1
0
k
Ω
t
y
p
e
I
I
S
u
p
p
ly
A
ir
T
e
m
p
e
ra
tu
re
1
0
k
Ω
t
y
p
e
I
I
M
ix
e
d
A
ir
T
e
m
p
e
ra
tu
re
1
0
k
Ω
t
y
p
e
I
I
S
u
p
p
ly
A
ir
H
u
m
id
it
y
2
-w
ir
e
,
4
-2
0
m
A
S
u
p
p
ly
F
a
n
S
ta
te
D
ig
it
a
l
c
o
n
ta
c
t
R
e
tu
rn
F
a
n
S
ta
te
D
ig
it
a
l
c
o
n
ta
c
t
Damper
R
e
tu
rn
A
ir
H
u
m
id
it
y
2
-w
ir
e
,
4
-2
0
m
A
CT
CT
0-10
VDC
~
+
-
0-10
VDC
~
+
-
Humidifier
A
2
A
1
A
2
A
1
To
Supply
Fan
Starter
To
Return
Fan
Starter
0-10
VDC
~
+
-
0-10
VDC
~
+
-
Transformer
24VAC
4A Fuse
Fast Acting
EOL Enabled at
the last sensor
at the end of
the Bus
F
ro
m
P
re
v
io
u
s
D
e
v
ic
e
T
o
N
e
x
t
D
e
v
ic
e
L
O
N
W
O
R
K
S
N
e
tw
o
rk
*
* 249 ohm
r
esistor built-in for inputs configured as 4-20mA
ECL-600
L
ON
W
ORKS
®
OPTIONAL: Connect
to Electrical System
Ground
Allure EC-Smart-Vue
ON
E
O
L
OFF
Back of Allure
EC-Smart-Vue
BAC
LON
NET
PORT
Figure 16: Typical Power and Network Connections with an Allure EC-Smart-Vue sensor
Although only the Allure EC-Smart-Vue is shown here, any other Allure Series Communicating Sensor can be connected to the subnet port in
this manner. Refer to the sensor’s corresponding Hardware Installation Guide for more details.