22
COOL
TYPICAL
F
AN COIL
UNIT
3-CONDUCT
OR
WIRE WITH
SHIELD
CCN
COMMUNICA
TION
BUS
FCC
CCN
1
2
3
(-)
BLACK
(+)
RED
GREEN/
WHITE
(GND)
(-)
BLACK
(+)
RED
GREEN/
WHITE
(GND)
(-)
BLACK
(+)
RED
GREEN/
WHITE
(GND)
(-)
BLACK
(+)
RED
GREEN/
WHITE
(GND)
SHIELD
WIRENUT
SHIELD
COMMUNICA
TION BUS
WHT
RED
MAXIMUM
WIRE LENGTH
OF 100 FT
.
LINKAGE
THERMOST
A
T
WIRING
CONNECTION BLOCK
POWER
SUPPL
Y
BOARD
W-
R+
WHT
RED
AC(+)
GND
24 V
A
C
TRANSFORMER
(SEP
ARA
TE
ISOLA
TED)
→
F
ig. 27
—
Wiring Conne
ct
ion
s
(Link
a
ge
T
h
ermo
st
at)
LEGE
N
D
CC
N
—
Carr
ier
Comf
or
t Netw
or
k
FC
C
—
F
an Coil
Cont
roller
303
