Orion System Two Condenser Head Pressure Module - Manual (Page 21)

Technical Guide
Two Condenser Head Pressure Module
21
Appendix for Version 1.04 and Earlier
SIG
GND
+V
BK
RD
WH
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.
OE370-23-HP2C-C
Two Condenser Head Pressure Module
+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+
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)
PWR
OPTIONS Dip Switch is
Used for Setting the Head
Pressure Setpoint if Not
Using Default Setpoint.
COM
Condenser Fan A
ECM Motor
+
COM
Condenser Fan B
ECM Motor
+
COM
+
Condenser
Signal B
COM
+
Condenser
Signal A
CONDENSER A ENABLE
R1
HVAC UNIT CONNECTION
R3
CONDENSER B ENABLE
NOTE:
NORMALLY OPEN AND
RATED FOR 24 VAC POWER
ONLY
ALL RELAY OUTPUTS
ARE
- 1 AMP MAXIMUM LOAD
COMM
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
for R410-A Refrigerant or to ON for
R22 Refrigerant. Currently showing
OFF for R410-A Refrigerant.
Set ADDRESS Dip Switch 3 to ON
to disable Circuit B alarms when
only one Condenser is Used.
Currently showing OFF.
ADDRESS Dip Switch 4 should
always be set to ON to make
reversing valve "ON to Cool / OFF
to Heat". Currently showing ON.
CONDENSER ON/OFF (Y1 CALL)
COOLING ENABLE (O CALL)
COM
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
Rev.: 1H
#LB102081
E-BUS
Connector
E-BUS
Connector
+5V
SIG 1
GND
+5V
SIG 2
GND
+5V
SIG 3
GND
+5V
SIG 4
GND
+24
VAC GND
BIN 1
BIN 2
COM
HEAD
PRESSURE
TRANSDUCER #1
HEAD
PRESSURE
TRANSDUCER #2
HEAD
PRESSURE
TRANSDUCER #3
HEAD
PRESSURE
TRANSDUCER #4
COMMON
PWM2+
Two Condenser Head Pressure Module
2C Orion No.:OE370-23-HP
AAON Coil No.:
30310
Circuit A1
Circuit A2
Circuit B1
Circuit B2
www.aaon.com
AO1
AO2
GND
COND. A & B ENABLE
COOL ENABLE
RELA
Y
C
ONT
A
CT
RA
TING
IS
1
A
MP
MAX
@
24
V
A
C
COND. A ENABLE
COND. B ENABLE
COND. A SIGNAL
COND. B SIGNAL
COOL ENABLE
COOL ENABLE
PWM1-
PWM1+
PWM2-
COND. FAN A
COND. FAN B
COND. FAN A
COND. FAN B
GND
R1
R2
R3
R4
RC RELAY COMMON
Figure 10: Version 1.04 and Earlier One Condenser Head Pressure Module Wiring Diagram (Stand-Alone)
Stand-Alone Wiring
Versions 1.01 through 1.04 utilize Dipswitch 2 in stand-alone mode
for refrigeration selection. See Tables 10 & 11 for further information.