Eubank EAA1036 - Figure 13 C. Commstat 3 HVAC Controller Wiring Detail

Eubank EAA/EGA Wall Mount AC Installation & Operation Manual
03/2021 Rev.5
41
LOR
G
W
CY
R
CommStat 3
Low Building Temp Alarm
Smoke Alarm
+24v.
+48v
24/48 com
DC BACKUP POWER CONNECTIONS
Air Conditioner #1 Terminal BoardAir Conditioner #2 Terminal Board
57349110
8
57349110
8
#4 FACTORY INSTALLED SENSOR CONNECTION
THERMISTOR CONTACTS
1 2 3
LOR
G
W
CY
R
HP/LP Lockout
Power Alarm
Dry Contacts
NC
C
NO
Dry Contacts
NC
C
NO
Dry Contacts
NC
C
NO
Dry Contacts
NC
C
NO
High Building Temp Alarm
Dry Contacts
NC
C
NO
5
Connect to Normally Closed (NC) dry contacts from smoke alarm
SMOKE ALARM JUMPER
NOTE:
IF LINE VOLTAGE IS BELOW 220 VAC, USE THE 208 TRANSFORMER TAP.
1. 24 VAC connections only. 2. For immediate shutdown of air conditioner upon a signal from the smoke alarm, the jumper between terminals 8 and 10 in the ComPac
®
I
and ComPac
®
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 wire and install the smoke alarm leads.
Figure 13c. CommStat 3 Wiring Diagram