disconnecting HSSC cables.
SIG
GND
+V
BK
RD
WH
SIG
GND
+V
BK
RD
WH
SIG
GND
+V
BK
RD
WH
SIG
GND
+V
BK
RD
WH
Head Pressure Transducers
0 - 667 PSI
(One Per Refrigerant Circuit)
OE370-23-HP2C2
Two Condenser Head Pressure II Module
OPTIONS Dip Switch Setting Not Required
When Connected To
VCM-X E-BUS Controller
or SA E-BUS Controller
+5V
SIG 2
GND
OPTIONS
ALARM
ANALOG
STAT
+5V
COMM
GND
SIG 4
GND
R1
R2
GND
RELAYS
SIG 3
+5V
GND
+5V
SIG 1
R3
R4
Rc
AO1
AO2
PWM1-
PWM1+
PWM2-
PWM2+
PWR
Connect To Other
WattMaster-Approved
E-BUS Expansion Module(s)
HSSC Cable
24 VACTransformer
3 VA Minimum
Line Voltage
24 VAC
GND
WARNING!! Observe Polarity! All boards
must be wired with GND-to-GND and 24
VAC-to-24 VAC.
Failure to observe polarity could result in
damage to the boards.
NOTE:
NORMALLY OPEN AND
RATED FOR 24 VAC POWER
ONLY- 1 AMP MAXIMUM LOAD
ALL RELAY OUTPUTS
ARE
Line Voltage
All Comm Loop Wiring Is
Straight Thru
24VAC
GND
Local Loop
RS-485
9600 Baud
See Individual
Component Wiring
Diagrams For
Detailed Wiring Of
Analog Inputs And
For Stand Alone Applications,
Connect To System Manager. For Network
Applications Connect To Next Controller
And/Or MiniLink PD On Local Loop.
G - Fan ON/OFF Only
R - 24VAC
Relay Output Contacts
R2 Through R5 May Be User-Configured
For The Following:
1 - Heating Stages
2 - Cooling Stages
3 - Warm-up Mode Command (VAV Boxes)
4 - Reversing Valve (Air To Air Heat Pumps)
5 - Reheat Control (Dehumidification)
6 - Exhaust Fan Interlock
7 - Preheater For Low Ambient Protection
8 - Alarm
9 - Override
10 - Occupied
11 - OA Damper
12 - Heat Wheel
13 - Emergency Heat
Note: 1.) When Using the HP2C Module,
All Compressors Will Be Wired From the
Protection Module, Not the VCM-X Controller.
Note: ATotal Of 20 Relays Are Available By
Adding Relay Expansion Modules. All
Expansion Module Relay Outputs Are User
Configurable As Listed Above.
Connect FRP Tubing To High Pressure
Port (Bottom Tube) and Route To Static
Pressure Pickup Probe Located In Unit
Discharge. Leave Port Marked “Lo” Open
To Atmosphere
OE271
Static Pressure
Transducer
Splice If Required
Connect To
Expansion Module(s)
(When Used)
Connect To Digital Room Sensor And/Or
Digital CO Sensor
2
Warning:
24 VAC Must Be Connected So That All Ground
Wires Remain Common. Failure To Do So Will
Result In Damage To The Controllers.
TtoT, R to R & SHLD to SHLD
Size Transformer For Correct
Total Load.
VCM-X Controller = 8 VA
OE332-23E-VCMX-MOD-
VCM-X Modular
E-BUS Controller
Note:
All Relay Outputs Are Normally Open And
Rated For 24 VAC Power Only.
1 Amp Maximum Load.
AI1 SET AI2 SET AI3 SET
AI4 SET AI5 SET AI7 SET
Jumpers
RELAY CONTACT
RATING IS 1 AMP
MAX @ 24 VAC
RS-485 COMMUNICATION LOOP. WIRE
“R”TO“R”,“T” TO “T”“SHLD”TO“SHLD”
FAN
RELAY2
RELAY3
RELAY4
RELAY5
RELAY
COMMON
IC DIGITAL
SENSOR
2
IC
EXPANSION
2
STATIC
PRESSURE
ANALOG INPUT JUMPER SETTINGS
MUSTBE SET AS SHOWN FOR
PROPER OPERATION
24 VAC POWER ONLY
WARNING! POLARITY MUST BE OBSERVED
OR THE CONTROLLER WILL BE DAMAGED
AI1
AI2
AI3
AI4
THERM
THERM
THERM
THERM
THERM
THERM
4-20mA
4-20mA
4-20mA
4-20mA
4-20mA
4-20mA
0-10V
0-10V
0-10V
0-10V
0-10V
0-10V
0-5V
0-5V
0-5V
0-5V
0-5V
0-5V
AI5
AI7
ANALOG INPUT
JUMPER
SETTINGS
WattMaster Label
#LB102073-01-A
Rev.: 1A
VCM-X MODULAR E-BUS CONTROLLER
Orion No.:OE332-23E-VCMX-MOD-A
AAON No.:
V07150
AI1 = SPC (SPACE TEMPERATURE SENSOR)
AI2
AI3
AI4
AI5
AI7
A01
A02
= SAT(SUPPLYAIR TEMPERATURE SENSOR)
= RAT(RETURN AIR TEMPERATURE SENSOR)
= OAT (OUTDOOR AIR TEMPERATURE SENSOR)
= SUCTION PRESSURE SENSOR (FROM EXP. MODULE)
= SPACE TEMPERATURE SENSOR SLIDE ADJUST
OR VOLTAGE RESET SOURCE
= ECONOMIZER (2-10 VDC OUTPUT)
= SUPPLYFAN VFD (0-10 VDC OUTPUT)
LEDBLINK CODES
LEDNAME STATUS1 STATUS2
NORMAL OPERATION01
SATFAIL12
OATFAIL22
SPCFAIL32
MODULE ALARM 42
MECH COOL FAIL 13
MECH HEAT FAIL 23
FANPROOF FAIL 33
DIRTYFILTER43
EMERGENCYSHUTDOWN5 3
LOWSAT 14
HIGH SAT24
CONT.TEMPCOOL FAIL 34
CONT.TEMPHEATFAIL4 4
PUSH BUTTONOVR 15
ZONE OVR25
OUTPUT FORCE ACTIVE0 6
E-BUS
CONNECTOR
HSSC Cable
Connect To VCM-X E-BUS
Controller or SA E-BUS Controller
HSSC Cable Connect To
VCM-X E-BUS Port
Set ADDRESS Dip Switch 1 to ON for
Water Cooled or to OFF for Air Cooled.
Currently showing OFF for Air Cooled.
Set ADDRESS Dip Switch 2 to OFF
on all communicating applications
unless it is intended to be the Second
Head Pressure Module on a system. If
set to ON, it will not communicate.
Set ADDRESS Dip Switch 3 to ON to
disable Circuit B alarms when only one
Condenser is Used. Currently showing
OFF.
Set ADDRESS Dip Switch 4 to OFF to
make reversing valve "ON to Heat /
OFF to Cool.” Set to ON to make
reversing valve “ON to Cool / OFF to
Heat.” Currently showing OFF.
.
Currently showing OFF.
ADDRESS
BIN 1
BIN 2
BIN 3
COM
+24 Volts
Condenser Fan A
ECM Motor
Duty Cycle
Condenser Fan B
ECM Motor
COM
+
Condenser
Signal B
COM
+
Condenser
Signal A
CONDENSER A ENABLE
R1
HVAC UNIT CONNECTION
R3
CONDENSER B ENABLE
COMM
REVERSING VALVE B ENABLE
REVERSING VALVEAENABLE
R4
R2
YELLOW
BLUE +24 OUT
+24 Volts
Duty Cycle
YELLOW
BLUE +24 OUT
LEDBLINK CODES
LEDNAME STAT
BLINKS QTY. OF SENSORSINSTALLED
LEDNAME
ALARM
NO PROBLEMS 0
NO SENSORS DETECTED 1
HIGH HEAD PRESSUREDETECTED2
LOWHEADPRESSUREDETECTED3
WattMaster Label
#LB102110-A
Rev.: 1A
E-BUS
Connector
E-BUS
Connector
+5V
SIG 1
GND
+5V
SIG 2
GND
+5V
SIG 3
GND
+5V
SIG 4
GND
+24VAC
GND
BIN 1
BIN 2
BIN 3
COM
HEAD
PRESSURE
TRANSDUCER #1
HEAD
PRESSURE
TRANSDUCER #2
HEAD
PRESSURE
TRANSDUCER #3
HEAD
PRESSURE
TRANSDUCER #4
REV. VLV. ENABLE INPUT
COMMON
PWM2+
AAON No.:
V20660
AO1
AO2
GND
COND. A ENABLE INPUT
COND. B ENABLE INPUT
COND. A SIGNAL
COND. B SIGNAL
PWM1-
PWM1+
PWM2-
COND. FANA
COND. FAN B
COND. FANA
COND. FAN B
GND
Two Condenser Head Pressure II Module
2C2Orion No.:OE370-23-HP
www.aaon.com
RELAYCONTACT
RATING IS 1AMP
MAX@24 VAC
COND.AENABLE
COND. B ENABLE
REV. VLV. A ENABLE
REV. VLV. B ENABLE
R1
R2
R3
R4
RC
RELAY COMMON
A1
A2
B1
B2
To Next Page
Loading...
Need help?
General
