ICE CEA/CGA1012–1060 Wall Mount AC I&O Manual
03/2021 Rev.1
39
Figure 13a. Humidistat Wiring to an ICE Air Conditioner with Reheat.
Figure 13b. Thermostat Connection Diagram
LO
R
G
W
CY
R
CommStat
3
Low Building Te
mp
Alar
m
Sm
ok
e Alar
m
+24v.+48v
24/48 co
m
DC BACKU
P
PO
WE
R CONNECT
IONS
Ai
r Conditioner #1
Te
rminal Boar
dA
ir Conditioner #2
Te
rminal Boar
d
5
73
49
11
0
8
5
73
49
11
0
8
#4
FACT
OR
Y
INST
ALLE
D
SENSOR CONNEC
TI
ON
THERMISTOR CONTACTS
1
2
3
LO
R
G
W
CY
R
HP/LP Lock
out
Powe
r
Alar
m
Dr
y
Contact
s
NC
C
NO
Dr
y
Contact
s
NC
C
NO
Dr
y
Contact
s
NC
C
NO
Dr
y
Contact
s
NC
C
NO
High Building Te
mp
Alar
m
Dr
y
Contact
s
NC
C
NO
5
Connect to Norm
ally
Closed (NC)
dr
y
contacts
fr
om
sm
ok
e alar
m
SMOKE ALARM JUMPER
NOTE:
IF LINE VO
LTA
GE IS BELOW 220 V
AC, USE
THE 208
TRANSFORMER
TA
P.
1.
24
VA
C connections only
.
2. For immediate shutdown of air conditioner upon a signal from the smoke alarm, the jumper between terminals 8 and 10 in th
e ComPac
®
I
and ComPa
c
®
II units must be removed and a jumper placed from terminals 8 and 3.
3. When connecting a smoke alarm to the smoke alarm input terminals (normally closed), remove the factory installed jumper
w
ire and
install the smoke alarm leads.
Figure 13c. CommStat 3 Wiring Diagram