Wshp-x module, Module overview, Technical guide – Orion System Water Source Heat Pump X Module User Manual
Page 3: 3overview, Features, Figure 1: water source heat pump x module, The wshp-x module provides the following, Distribution module to e-bus interface

Technical Guide
WSHP-X Module
3
Overview
The OE334-26-WSHPX-A Water Source Heat Pump X (WSHP-X)
Module monitors the compressors on an AAON
®
Water Source Heat
Pump unit and can disable the compressors based on low Suction Pres-
sure, Leaving Water Temperature, and Water Proof of Flow inputs. It
also utilizes a Delay Timer to prevent the compressors from turning on
at the same time.
The WSHP-X Module’s water circuit confi guration can be either single
or dual. There are eight R410-A glycol confi gurations for the WSHP-X
Module—0%-40% in increments of 5%. There are two refrigerant selec-
tions—R410-A refrigerant and R-22 refrigerant. If R-22 refrigerant is
selected, the glycol will automatically default to 0%.
The WSHP-X Module can be used stand-alone. It can also be connected
to the VCM-X WSHP Controller or the SA Controller using the E-BUS
Distribution Module or the module can be directly connected to the
VCM-X WSHP E-BUS Controller or SA E-BUS Controller, allowing
the Module to receive setpoints from the Controllers. See chart on page
2 for part numbers. Please note: The SA series of controllers only work
with the R410-A dual water circuit confi gurations.
The WSHP-X Module requires a 24 VAC power connection with an
appropriate VA rating.
NOTE: The WSHP-X Module is factory set for R410-A and 0%
glycol.
Module Overview
Figure 1: Water Source Heat Pump X Module
Features
The WSHP-X Module provides the following:
Can be operated stand-alone or connected to a
VCM-X WSHP Controller or SA Controller using
the
E-BUS
Distribution Module to E-BUS interface
Can be directly connected to a VCM-X WSHP E-BUS
Controller or SA E-BUS Controller
Capable of controlling digital compressors when
connected to a VCM-X WSHP Series Controller or
SA Series Controller
Monitors suction pressure, leaving water
temperature, and water proof of fl ow
Provides Delay Timer to prevent compressors
from turning on at the same time
Contains a 2x8 LCD character display and 4 buttons
that allow for status display, setpoint changes, and
confi guration changes
NOTE: The WSHP-X Module contains no user-serviceable parts.
Contact qualifi ed technical personnel if your Module is
not operating correctly.
WATTMASTER CONTROLS
Y 102374 REV 0
S
MADE IN USA
M
ENTER
UP
DOWN
ALARM
MENU
OE334-26-WSHPX-A WSHP-X MODULE
AAON NO.: V18330
WattMaster Label
#SW000054
Rev.: 1A
E-BUS
CONNECT
E-BUS
CONNECT
+24
V
AC
GND
www.orioncontrols.com
www.aaon.com
BIN 1
BIN 2
BIN 3
BIN 4
BIN 5
BIN 6
BIN 7
COM
- COMP. A1 EN.
- HEAT ENABLE
- COMP. A2 EN.
- WATER POF
- COMP. B1 EN.
- WATER POF
- COMP. B2 EN.
- COMMON
T 1
T 2
GND
- LEAVING WATER TEMP A
- GROUND
- LEAVING WATER TEMP B
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