T-
Stat LLC User’s Manual Rev
3.2, 04/10/18
Page | 6
3.
Typical Wiring Diagram
R C G Y W G Y W
HVAC 1
WIRE CHANNEL
2
4
V
A
C
R
C
G
Y1
W
Supply Fan
Cooling
Heating
C
o
n
tr
o
l
In
te
rf
a
c
e
L
o
c
a
te
d
i
n
H
V
A
C
s
y
s
te
m
HVAC 2
HVAC 2
C
R
T-Stat Lead/Lag Controller
Back plate mounts to
standard electrical box
HVAC Unit #2
2
4
V
A
C
R
C
G
Y1
W
Supply Fan
Cooling
Heating
C
o
n
tr
o
l
In
te
rf
a
c
e
L
o
c
a
te
d
i
n
H
V
A
C
s
y
s
te
m
HVAC Unit #1
UP
Figure 3
–
Typical Wiring Diagram