Bard MC4002-B User Manual

Manual 2100-614K
Page 50 of 61
CONTROLLER CONNECTIONS DIAGRAM 26
W**HB/W**HC Series Heat Pumps – No Economizers
and with Alarm Board & CB5000 Series Communication Board
CB5000
1
NC
1-3
3
C
2
NO
3-3
A
U
X
L
O
C
K
O
U
T
2-3
D
A
M
P
E
R
3
12 5
4
3
1
2 5
4
B/W1
Y2
2
G
R
L
C
W2
Y1
B/W1
Y2
2
G
R
L
C
W2
Y1
3
2
NOTE: ALL SENSORS ARE
OPERATE ON DC POWER ONLY
UNIT 2
R
NOTE: DC BACK-UP POWER
JUMPER BETWEEN Y1 AND Y2 MUST BE IN PLACE
G
POLARITY SENSITIVE. COPPER
MIS-4288
LOCKOUT FEATURE OF ALARM BOARD
REQUIRED TO UTILIZE REFRIGERENT
FIELD INSTALLED 8201-062 RELAYS
CU
AG
G1
G2
H1
H2
AG
CU
AG
CU
LOCAL
REM 1
REM 2
GEN
HUMIDITY
SENSOR 12" LEADS
COPPER
SILVER
COPPER
SILVER
C
1
24V TERMINALS
HEAT PUMP #1
HEAT PUMP #2
24V TERMINALS
NUMBER 8612-023A
CONTROLLER
STANDARD LOCAL
35 FOOT TEMPERATURE
REMOVE JUMPER
REFRIGIRANT LOCKOUT
GENERATOR RUN ALARM
LOCKOUT 2
LOCKOUT 1
CB
F1
F2
+
CONNECTIONS FOR
2
3
CONNECTION
Y2
48 VDC
-
SENSORS, BARD PART
MUST BE CONNECTED AS SHOWN
COPPER
OR CONTROLLER WILL NOT
Y1
IS POLARITY SENSITIVE AND
CU, AND SILVER LEAD TO AG.
1
SILVER
LEAD MUST CONNECT TO
"NC" CONTACTS - OPEN ON ALARM
OPTIONAL ALARM BOARD
OPTIONAL FIELD INSTALLED
UNIT 1
REMOVE JUMPER
FIRE/SMOKE ALARM CIRCUIT
"NC" CONTACTS - OPEN ON ALARM
FIRE/SMOKE
OPTIONAL - 48 VDC
W
Y2
Y1
C
R
G
W
THIS FUNCTION IS NOT AVAILABLE
FOR HEAT PUMP APPLICATIONS
2
MC4000 series

Bard MC4002-B Specifications

General

Brand	Bard
Model	MC4002-B
Category	Controller
Language	English