Bard MC4002-B User Manual

Manual 2100-614K
Page 30 of 61
CONTROLLER CONNECTIONS DIAGRAM 6
2-Stage (W*SAC Series) Air Conditioners – No Economizers
with Alarm Board & CB5000 Series Communication Board
REFRIGERANT PRESSURE LOCKOUT ALARM - REQUIRES "J" CONTROL MODULE IN A/C UNITS
THE JUMPER BETWEEN Y2 AND Y3 MUST BE IN PLACE
REMOVE JUMPER
3
1
SENSORS, BARD PART
2
MIS-4283
3
OPERATE ON DC POWER ONLY
OR CONTROLLER WILL NOT
MUST BE CONNECTED AS SHOWN
IS POLARITY SENSITIVE AND
NOTE: ALL SENSORS ARE
CU, AND SILVER LEAD TO AG.
LEAD MUST CONNECT TO
POLARITY SENSITIVE. COPPER
Y1
Y2
CB
Y1
Y2
CU
AG
G1
G2
H1
H2
C
W
G
R
AG
CU
AG
CU
C
Y2
B/W1
G
R
C
G
R
B/W1
Y2
NC" CONTACTS - OPEN ON ALARM
FIRE/SMOKE
FIRE/SMOKE ALARM CIRCUIT
CONNECTION
48 VDC
UNIT 1
UNIT 2
LOCAL
REM 1
REM 2
GEN
OPTIONAL - 48 VDC
CONTROLLER
HUMIDITY
SENSOR 12" LEADS
COPPER
SILVER
COPPER
SILVER
COPPER
SILVER
NOTE: DC BACK-UP POWER
STANDARD LOCAL
3
NUMBER 8612-023A
BOARD
RT
"NC" CONTACTS - OPEN ON ALARM
GENERATOR RUN ALARM
35 FOOT TEMPERATURE
"NO" CONTACTS - CLOSE ON RISE
3
2
2
F
E
3
3
F
E
2
32
ECON 1
LOCKOUT 1
LOCKOUT 2
ECON 2
2
2
A/C #1
OPTIONAL FIELD INSTALLED
A/C #2
HUMIDITY CONTROLLER
Y3
Y1
Y1
W
C
G
1
R
CB5000
1
NC
1-3
3
C
2
NO
3-3
Y3
X
U
A
1
OPTIONAL FIELD INSTALLED
T
2-3
U
O
K
C
O
R
-
+
REMOVE JUMPER
F2
E
F1
M
W2
P
W2
3
RT
INSTALL JUMPER IF 15 KW OR HIGHER ELECTRIC HEAT IS INSTALLED
4
THE JUMPER BETWEEN RT AND R MUST BE IN PLACE
4
L
D
A
4
ALARM
MC4000 series

Bard MC4002-B Specifications

General

Brand	Bard
Model	MC4002-B
Category	Controller
Language	English