Orion System Water Source Heat Pump Module - Manual (Page 9)

Technical Guide
Water Source Heat Pump Module
9
Installation & Wiring
Figure 4, cont.: VCM-X WSHP Controller to Water Source Heat Pump Module Wiring Diagram
WATTMASTER CONTROLS
Y 102374 REV 0 S
MADE IN USA
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
OE365-23-EBD E-BUS
Distribution Module
GND
-COMM
SHLD
+COMM
INPUT
+COMM
SHLD
-COMM
GND
+VDC
485 DRV
24VAC
GND
PWR
YS102308
REV 1
I2C TO COMM
DIST. BOARD
OUTPUT
Modular Cable
Connect To
VCM-X WSHP Controller
Set Address to 1
When Using One
WSHP Module And
Set Addresses
Consecutively if
Using More Than
One. Note: Address
Zero Defaults To
Address 1.
OE334-23-WPM-C Water Source
Heat Pump Module
NOTE:
NORMALLY OPEN AND
RATED FOR 24 VAC POWER
ONLY
ALL RELAY OUTPUTS
ARE
COMP. A2 ENABLE
COMP. A1 ENABLE
R1
R4
R5
R3
R2
COMM
COMP. B1 ENABLE
COMP. B2 ENABLE
ALARM OUTPUT
HVAC UNIT
CONNECTIONS
HSSC Cable
24 VAC Transformer
3 VA Minimum
Line Voltage
24 V
A
C
GND
Connect To Other
WattMaster-Approved
E-BUS Expansion
Module(s) 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
DIGITAL STAGE 1 (1.5-5V)
AO1
AO2
DIGITAL STAGE 2 (1.5-5V)
GND
T1
CIRCUIT A
SUCTION PRESSURE TRANSDUCER
BK
RD
WH
WATER POF
CONTACT
BIN6
COM
LEAVING WATER TEMPERATURE
CIRCUIT B
SUCTION PRESSURE TRANSDUCER
BK
RD
WH
E
WattMaster Label
#LB102069-B
Rev.: 1E
E-BUS
Connector
E-BUS
Connector +24
VAC GND
WSHP Module
Orion No.: OE334-23-WPM-C AAON Coil No.: 30318
www.aaon.com
www.orioncontrols.com
RELAY CONTACT RATING
IS 1 AMP MAX @ 24 VAC
COMP. A2 ENABLE
COMP. A1 ENABLE R1
R2
R3
R4
R5
RC
RELAY COMMON
COMP. B1 ENABLE
COMP. B2 ENABLE
ALARM OUTPUT
+5V
PRES
GND
+5V
PRES
GND
BIN 1
BIN 2
BIN 3
BIN 4
BIN 5
BIN 6
BIN 7
COM
SUCT. PR. SENSOR
PRES 1=A1, PRES 2=N/A
PRES 3=B1, PRES 4=N/A
NOT USED
PRES 1=A1, PRES 2=N/A
PRES 3=B1, PRES 4=N/A
COMP. A1 ENABLE
COMP. A2 ENABLE
COMP. B1 ENABLE
COMP. B2 ENABLE
COOL ENABLE
WATER POF
NOT USED
COMMON
T 1
T 2
GND
LEAVING WATER TEMP
GROUND
NOT USED
LED BLINK CODES
LED NAME STATUS
OFF MODE 1
COOLING MODE 2
HEATING MODE 3
LED NAME ALARM
LOW SUCTION PRESSURE 1
COMPRESSOR LOCKOUT 2
WATER FLOW FAILURE 3
LOW LEAVING WATER TEMP. 4
LED NAME PRES 1-4
SENSOR DETECTED ON
NO SENSOR DETECTED OFF
LOW SUCTION PRESSURE 1
COMPRESSOR LOCKOUT 2
AO1
A2O
CIRCUIT A -COMP. A1
+5 NOT USED, PRES TO P6 & GND TO P5
+5 TO RED, PRES TO WHT & GND TO BLK
CONNECT TO CNTLR C2 TERM.
CIRCUIT B - COMP. B1
DIGITAL COMRESSORS
DIGITAL COMP. A1 & B1 NON-DIGITAL COMPRESSORS