Bard MC4002-BC - Page 36

Manual 2100-614K
Page 36 of 61
CONTROLLER CONNECTIONS DIAGRAM 12
1-Stage (W**AA/W**LA Series) Air Conditioners
with WECOP Economizers
and with Alarm Board & CB5000 Series Communication Board
MIS-3830 B
B/W1
1
A/C #2
CB
F1
F2
+
C
FIRE/SMOKE ALARM CIRCUIT
Y2
Y1
Y2
CU
OPERATE ON DC POWER ONLY
G1
G2
H1
H2
-
Y1
G
R
C
W
G
R
AG
Y1
AG
C
B/W1
G
R
C
G
R
Y1
Y2
P
POLARITY SENSITIVE. COPPER
CU, AND SILVER LEAD TO AG.
NO
3-3
X
3
CU
D
M
OR CONTROLLER WILL NOT
CONNECTION
48 VDC
UNIT 1
UNIT 2
LOCAL
1-3
3
FIRE/SMOKE
REM 2
2-3
Y2
U
T
MUST BE CONNECTED AS SHOWN
LEAD MUST CONNECT TO
SENSOR 12" LEADS
COPPER
SILVER
COPPER
SILVER
REMOVE JUMPER
IS POLARITY SENSITIVE AND
GEN
OPTIONAL - 48 VDC
CONTROLLER
NOTE: ALL SENSORS ARE
HUMIDITY
2
REM 1
C
ECON 2
STANDARD LOCAL
NOTE: DC BACK-UP POWER
NC
GENERATOR RUN ALARM
REMOVE JUMPER
3
2
2
LOCKOUT 1
F
CB5000
3
3
F
E
2
32
A
ECON 1
E
NUMBER 8612-023A
"NC" CONTACTS - OPEN ON ALARM
HUMIDITY CONTROLLER
LOCKOUT 2
35 FOOT TEMPERATURE
OPTIONAL FIELD INSTALLED
"NO" CONTACTS - CLOSE ON RISE
W
"NC" CONTACTS - OPEN ON ALARM
1
BOARD
ALARM
3
2
CU
1
A/C #1
AG
2
SENSORS, BARD PART
REFRIGERANT PRESSURE LOCKOUT ALARM - REQUIRES "J" CONTROL MODULE IN A/C UNITS
1
COPPER
O
OPTIONAL FIELD INSTALLED
E
SILVER
2
A
R
L
O
C
K
A
U
6
JADE CONTROLLER MUST BE SET TO 10V ON MINIMUM POSITION TO WORK AS EMERGENCY COOLING
A
6
THE "E" AND "F" CONNECTIONS FOR EMERGENCY COOLING ARE AVAILABLE ONLY ON THE -B ALARM BOARD