VCB-X Controller Field Technical Guide
INSTALLATION & WIRING
15
Figure 2: VCB-X EM1 Expansion Module Dimensions
VCB-X EM1 Dimensions
5.
VREF
BIN3
BIN2
BIN1
2
1
ON
ADDRESS
BINARY INPUTS
PRESSURE SENSOR INPUTS
GND
GND
+5V
SIG2
SIG1
TEMP SENSOR INPUTS
GND
GND
T3
T2
T1
STATIC PRESSURE
TB1
R58
J2
D29
D28
D27
TB2
P1
D26
D25
D24
TB7
R22
R21
R19
R18
R16
R15
R1
R1
R10
R6
R3
R1
D18
D15
D12
D8
D4
D1
C8
C6
C5
C4
C3
C2
COMM
STAT
ALARM
PWR
PWM-
GND
R5
R4
R3
R2
R1
SERIAL
#
TB3
TB9
TB6
R6
1
R5
7
R5
6
R
5
4
R5
3
R4
9
R4
8
R4
6
R4
5
Q6
D2
1
D2
0
D1
9
D1
7
C2
4
2
1
Rc
R35
R31
R29
R24
D13
D11
D10
D9
PWM+
R9
AOUT1
AOUT2
AOUT3
AOUT4
56
2
1
OF
F
1002
1002
1002
1002
1002
1002
47
4992
1002
1004
1002
1002
1004
1
002
300
300
10uF
10uF
10uF
10uF
10uF
10uF
.01uF
10u
F
300
1002
1002
3650
R4
1002
R5
1002
J1
C26
OPTIONS
R2
47
47
10
0
1
10
0
1
3650
3650
3650
56
2
1
56
2
1
56
2
1
56
2
1
YS102482 REV1
5.63
5.00
2.67
0.62
2.05
4.10
0.20
5.83
5.34
1.49" DEPTH
WattMaster Label
#L102100-A
Rev.: 1C
B
+24
VAC
GND
RELA
Y
C
ONT
A
CT
RA
TING
IS
1
A
MP
MAX
@
24
V
A
C
R1
R2
R3
R4
R5
RC
RELAY OUTPUT
TERMINALS
ANALOG OUTPUT TERMINALS
CONDENSER PWM TERMINALS
GND
EXHAUST
CHILLED WATER
CONDENSER 2
CONDENSER 1
RETURN AIR TEMP
LEAVING WATER TEMP
HEAD PRESSURE 2
GND
HEAD PRESSURE 1
+5V
HOOD
PWM -
BUILDING PRESSURE
REMOTE OCCUPIED
PWM +
GND
PROOF OF WATER FLOW
GND
GND
E-BUS
CONNECT
E-BUS
CONNECT
24 VAC POWER ONLY
WARNING!
POLARITY
MUST BE OBSERVED OR
THE CONTROLLER WILL
BE DAMAGED
POWER INPUT TERMINAL BLOCK
BINARY INPUT TERMINALS
PRESSURE SENSOR INPUT
TERMINALS
TEMPERATURE SENSOR INPUT
TERMINALS
www.aaon.com
www.orioncontrols.com
VCB-X EM1 Expansion Module
Orion No.:OE336-23-EM1-A
STATIC PRESSURE
SENSOR INPUT
AAON No.:
V13010
Revised 7/16/14