Water source heat pump module, Installation & wiring, Technical guide – Orion System Water Source Heat Pump Module Tulsa User Manual
Page 9: Hvac unit connections

Technical Guide
Water Source Heat Pump Module
9
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-A 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 STG 1 (1.5-5V)
AO1
AO2
DIGITAL STG 2 (1.5-5V)
GND
T1
CIRCUIT A1
SUCTION PRESSURE TRANSDUCER
BK
RD
WH
WATER POF A
BIN6
COM
CIRCUIT A2
SUCTION PRESSURE TRANSDUCER
BK
RD
WH
E
CIRCUIT B1
SUCTION PRESSURE TRANSDUCER
BK
RD
WH
CIRCUIT B2
SUCTION PRESSURE TRANSDUCER
BK
RD
WH
LEAVING WATER TEMPERATURE
FOR SYSTEM B
LEAVING WATER TEMPERATURE
FOR SYSTEM A
T2
BIN7
WATER POF B
WattMaster Label
#LB102069-A
Rev.: 1B
E-BUS
Connector
E-BUS
Connector
+5V
PRES
GND
+24
VAC
GND
BIN 1
BIN 2
BIN 3
BIN 4
BIN 5
BIN 6
BIN 7
COM
SUCTION
PRESSURE
TRANSDUCERS
#1 thru #4
COMP. 1 ENABLE
COMP. 2 ENABLE
COMP. 3 ENABLE
WSHP Protection Module
Orion No.: OE334-23-WPM
COMP. 4 ENABLE
HEAT ENABLE
H2O POF #1
H2O POF #2
COMMON
T 1
T 2
GND
LEAVING WATER TEMP 1
GROUND
LEAVING WATER TEMP 2
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
RELAY CONTACT RATING
IS 1 AMP MAX @ 24 VAC
COMP. #2 ENABLE
COMP. #1 ENABLE
R1
R2
R3
R4
RC
RELAY COMMON
COMP. #3 ENABLE
COMP. #4 ENABLE
SYSTEM A - CNTRLR C2
SYSTEM B - CNTRLR C2
+5V
PRES
GND
NOT USED
DIGITAL COMP #1 THRU #4
NON-DIGITAL COMP #1 THRU #4
COPELAND CNTRLR P6
COPELAND CNTRLR P5
AAON No.: R90680
WattMaster Label
#LB102069-A
Rev.: 1F
E-BUS
Connector
E-BUS
Connector
+24
VAC
GND
BIN 1
BIN 2
BIN 3
BIN 4
BIN 5
BIN 6
BIN 7
COM
COMP. A1 ENABLE
COMP. A2 ENABLE
COMP. B1 ENABLE
WSHP Module
Orion No.: OE334-23-WPM-A
AAON No.: R88350
www.aaon.com
www.orioncontrols.com
COMP. B2 ENABLE
HEAT ENABLE
WATER POF A
WATER POF B
COMMON
T 1
T 2
GND
LEAVING WATER TEMP A
GROUND
LEAVING WATER TEMP B
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
STAGE 1- COMP. A1/B1-
STAGE 2 - COMP. A2/B2
DIGITAL COMP. A1, A2, B1, B2
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
CONNECT TO CNTLR C2 TERM.
+5V
PRES
GND
+5V
PRES
GND
SUCT. PR. SENSOR
PRES 1=A1, PRES 2=A2
PRES 3=B1, PRES 4=B2
NOT USED
PRES 1=A1, PRES 2=A2
PRES 3=B1, PRES 4=B2
+5 NOT USED, PRES TO P6 & GND TO P5
+5 TO RED, PRES TO WHT & GND TO BLK
DIGITAL COMRESSORS
NON-DIGITAL COMPRESSORS
LW: 36ºF HSP: 100 PSIG
Installation & Wiring
Figure 4, cont.: VCM-X WSHP Controller to Water Source Heat Pump Module Wiring Diagram