Bard MC4002-B User Manual

Manual 2100-614K
Page 35 of 61
CONTROLLER CONNECTIONS DIAGRAM 11
1-Stage (W**AA/W**LA Series) Air Conditioners
with WECOP Economizers
MIS-3829 A
CB
F1
F2
+
C
Y1
Y2
Y1
Y2
CU
AG
G1
G2
H1
H2
-
W
G
C
W
G
R
AG
CU
AG
CU
C
B/W1
G
R
C
G
R
Y1
Y2
B/W1
Y1
Y2
2
"NC" CONTACTS - OPEN ON ALARM
FIRE/SMOKE ALARM CIRCUIT
R
OPERATE ON DC POWER ONLY
FIRE/SMOKE
OR CONTROLLER WILL NOT
CONNECTION
48 VDC
UNIT 1
UNIT 2
LOCAL
REM 1
REM 2
GEN
OPTIONAL - 48 VDC
CONTROLLER
HUMIDITY
MUST BE CONNECTED AS SHOWN
IS POLARITY SENSITIVE AND
CU, AND SILVER LEAD TO AG.
LEAD MUST CONNECT TO
SENSOR 12" LEADS
COPPER
SILVER
COPPER
SILVER
COPPER
SILVER
NOTE: DC BACK-UP POWER
STANDARD LOCAL
POLARITY SENSITIVE. COPPER
NOTE: ALL SENSORS ARE
NUMBER 8612-023A
REMOVE JUMPER
SENSORS, BARD PART
"NC" CONTACTS - OPEN ON ALARM
GENERATOR RUN ALARM
35 FOOT TEMPERATURE
OPTIONAL FIELD INSTALLED
"NO" CONTACTS - CLOSE ON RISE
HUMIDITY CONTROLLER
A/C #2
REMOVE JUMPER
32
2
F
E
3
A
3
F
E
2
32
A
ECON 1
LOCKOUT 1
LOCKOUT 2
ECON 2
1
BOARD
ALARM
3
21
2
A/C #1
1
REFRIGERANT PRESSURE LOCKOUT ALARM - REQUIRES "J" CONTROL MODULE IN A/C UNITS
OPTIONAL FIELD INSTALLED
3
JADE CONTROLLER MUST BE SET TO 10V ON MINIMUM POSITION TO WORK AS EMERGENCY COOLING
THE "E" AND "F" CONNECTIONS FOR EMERGENCY COOLING ARE AVAILABLE ONLY ON THE -B ALARM BOARD

Bard MC4002-B Specifications

General

Brand	Bard
Model	MC4002-B
Category	Controller
Language	English