Product manual

29
ComPac 6/09-18
Figure 8d. CommStat 3™ Wiring Diagram
UNIT 1
COMMSTAT 3™
UNIT 2
C
NO
NC
NO
C
NC
ALARM
CONTACTS
DRY
HIGH BLDG TEMP
CONTACTS
DRY
NO
C
NC
LOW BLDG TEMP
OUTPUT
CONTACTS
DRY
POWER
ALARM
NOTE:
SMOKE ALARM
JUMPER
IF LINE VOLTAGE IS BELOW 220 VAC, USE THE 208 TRANSFORMER TAP.
LOR G W C Y R LOR G W C Y R
NC
CONTACTS
DRY
NO
C
SMOKE
HP/LP LOCKOUT
CONTACTS
DRY
NO
NC
C
#3
#2
#1
THERMISTOR CONTACTS
#4
(FACTORY
INSTALLED)
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.
E3
E1
E4 E2
THERMOSTAT
SWITCH TERMINALS
COMPAC
®
CONNECTION
DESIGNATIONS
CONNECT TO
NORMALLY CLOSED
DRY CONTACTS FROM
SMOKE ALARM
COMPAC
®
CONNECTION
DESIGNATIONS
TERMINAL BOARD
TERMINAL BOARD