Orion System One Condenser Head Pressure Module - Manual (Page 10)

One Condenser Head Pressure Module
Technical Guide 10
Installation & Wiring
Stand-Alone Wiring
To operate the One Condenser Head Pressure Module as Stand Alone,
connect the Module to a 24 VAC power connection with an appropriate
VA rating. Up to two One Condenser Head Pressure Modules can be
connected to one HVAC unit. See Figure 5 for wiring.
Check all wiring leads at the terminal block for tightness. Be sure that
wire strands do not stick out and touch adjacent terminals. Confi rm that
all transducers required for your system are mounted in the appropriate
location and wired into the correct terminals.
Condenser Type Selection
As shown in Figure 5, set address dipswitch 1 to ON for water cooled
or to OFF for air cooled. Refer to pages 11-12 for further instructions.
Figure 5: One Condenser Head Pressure Module as Stand-Alone
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-HP1C
One Condenser Head Pressure Module
+5V
SIG 2
GND
OP
T IO
N
S
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+
OPTIONS Dipswitch
is Used for Setting
the Head Pressure
Setpoint if Not Using
Default Setpoint.
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
Condenser Fan
ECM Motor
COM
Condenser
Signal
+
CONDENSER A ENABLE
R1
HVAC UNIT CONNECTIONS
NOTE:
NORMALLY OPEN AND
RATED FOR 24 VAC POWER
ONLY
ALL RELAY OUTPUTS
ARE
- 1 AMP MAXIMUM LOAD
COMM
CONDENSER ON/OFF (Y1 CALL)
REV. VALVE ENABLE (O CALL)
COM
ADDRESS
BIN 1
BIN 2
BIN 3
COM
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 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.
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.: 1J
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
HEAD
PRESSURE
TRANSDUCER #1/
HEAD
PRESSURE
TRANSDUCER #2
HEAD
PRESSURE
TRANSDUCER #3
HEAD
PRESSURE
TRANSDUCER #4
PWM2+
One Condenser Head Pressure Module
1C Orion No.:OE370-23-HP
AAON No.:
R74860
AO1
AO2
GND
COND. SIGNAL
NOT USED
PWM1-
PWM1+
PWM2-
COND. FAN
NOT USED
COND. FAN
NOT USED
GND
RELA
Y
CONT
ACT
RA
TING IS 1
AMP
MAX @ 24 V
AC
COND. ENABLE
NOT USED
NOT USED
R1
R2
R3
R4
RC RELAY COMMON
BIN 1
BIN 2
BIN 3
COM
NOT USED
COMMON
COND. ENABLE INPUT
REV. VLV. INPUT ENABLE
A1
A2
A3
A4
REV. VLV. ENABLE
www.aaon.com R2 REVERSING VALVE A ENABLE
+24 Volts
Duty Cycle
YELLOW
BLUE +24 OUT