Orion System One Condenser Head Pressure Module - Manual (Page 20)

One Condenser Head Pressure Module
Technical Guide 20
Appendix for Version 1.06 and Earlier
Version 1.06 and Earlier
Version 1.06 and earlier have several differences from version 1.07 and
later. Please refer to the Dipswitches in Figures 8 & 9 and the Tables
9 & 10 for detailed information.
Figure 8: Version 1.06 and Earlier One Condenser Head Pressure Module Wiring Diagram
(VCM-X Connection)
SIG
GND
+V
BK
RD
WH
SIG
GND
+V
BK
RD
WH
SIG
GND
+V
BK
RD
WH
SIG
GND
+V
BK
RD
WH
COM
Condenser Fan
ECM Motor
+
Head Pressure Transducers
0 - 667 PSI
(One Per Refrigerant Circuit)
OE370-23-HP1C-A
One Condenser Head Pressure Module
Connect To E-BUS
Distribution Module
or VCM-X E-BUS
Controller
+5V
SIG 2
GND
OP
T IO
N S
ALARM
ANALOG
STAT
+5V
COMM
GND
SIG 4
GND
BIN 2
R1
R2
GND
RELAYS
ADDRESS
SIG 3
+5V
GND
BIN 1
COM
+5V
SIG 1
R3
R4
Rc
AO1
AO2
PWM1-
PWM1+
PWM2-
PWM2+
PWR
COM
Condenser
Signal
+
HSSC Cable
24 VAC Transformer
3 VA Minimum
Line Voltage
24 V
A
C
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.
HSSC Cable
Connect To Other
WattMaster-Approved
E-BUS Expansion Module(s)
CONDENSER A ENABLE
R1
HVAC UNIT CONNECTION
NOTE:
NORMALLY OPEN AND
RATED FOR 24 VAC POWER
ONLY
ALL RELAY OUTPUTS
ARE
- 1 AMP MAXIMUM LOAD
COMM
OPTIONS Dip Switch
Setting Not Required
When Connected To
VCM-X Modular or
VCM-X WSHP
Controller
Set ADDRESS Dip
Switch 1 to ON for
Water Cooled or to
OFF for Air Cooled.
Currently showing OFF
for Air Cooled.
ADDRESS Dip Switch
4 should always be set
to OFF to make
reversing valve "ON to
Heat / OFF to Cool”
Currently showing OFF.
LED BLINK CODES
LED NAME STAT
BLINKS QTY. OF SENSORS INSTALLED
LED NAME ALARM
NO PROBLEMS 0
NO SENSORS DETECTED 1
HIGH HEAD PRESSURE DETECTED 2
LOW HEAD PRESSURE DETECTED 3
WattMaster Label
#LB102057-A
Rev.: 1F
E-BUS
Connector
E-BUS
Connector
+5V
SIG 1
GND
+5V
SIG 2
GND
+5V
SIG 3
GND
+5V
SIG 4
GND
+24
VA
C
GND
BIN 1
BIN 2
COM
HEAD
PRESSURE
TRANSDUCER #1
HEAD
PRESSURE
TRANSDUCER #2
HEAD
PRESSURE
TRANSDUCER #3
HEAD
PRESSURE
TRANSDUCER #4
COMMON
PWM2+
One Condenser Head Pressure Module
1C Orion No.:OE370-23-HP
AAON No.:
R74860
AO1
AO2
GND
COND. ENABLE
HEAT ENABLE
COND. SIGNAL
NOT USED
PWM1-
PWM1+
PWM2-
COND. FAN
NOT USED
COND. FAN
NOT USED
GND
www.aaon.com
RELA
Y
CONT
ACT
RA
TING IS 1
AMP
MAX @ 24 V
AC
COND. ENABLE
HEAT ENABLE
NOT USED
NOT USED
R1
R2
R3
R4
RC RELAY COMMON
VCM-X Connection
Version 1.06 and earlier do not utilize Dipswitch 2 when the module is
connected to a VCM-X Series Controller.