Bard MC500 Series User Manual

Manual 2100-746D
Page 10 of 59
Main Control Board (All MC5300 and MC5600 Models)
The Main Control Board (P/N 8612-066) has connection points provided for one to three wall-mount air conditioners
or heat pumps. Units can include optional mechanical dehumidication, electric heat strips, economizer and
ventilation. Inputs are also provided for theft, vent, generator, emergency off and two remote temperature sensors.
The shelter inputs (theft, vent, generator, emergency off and remote sensor 1 and 2) are connected to the main
control board next to Unit 3 terminal strip.
MIS-4188
FILTER IN
DUST IN
LOR IN
AUX 1 IN
ECON
ECON
AUX 2 IN
LOR IN
DUST IN
FILTER IN
R
C
W1
W2
EC
Y1
Y2
G
O/B
A
D
H
H
D
A
O/B
G
Y2
Y1
EC
W2
W1
C
R
NO
COM
NC
NC
COM
NO
AUX 1
OUT
AUX 2
OUT
FILTER IN
DUST IN
LOR IN
AUX 3 IN
ECON
R
C
W1 W2
EC
Y1 Y2
G
O/B
A
D
H
NO
COM
NC
AUX 3
OUT
THEFT
VENT
GEN
EMERG OFF
REM 1 IN REM 2 IN
Unit 1
Connections
Unit 2
Connections
Unit 3
Connections
REMOTE DISPLY LOCAL HUM/TEMP 1ST ALARM BOARD 2ND I/O BOARD
Shelter Inputs

Bard MC500 Series Specifications

General

Brand	Bard
Model	MC500 Series
Category	Controller
Language	English