Orion-system Water Source Heat Pump X Module User Manual download pdf (Page 14)

WSHP-X Module

Technical Guide

Installation and Wiring

VCM-X WSHP E-BUS or SA E-BUS

Controller to WSHP-X Module Wiring

for Dual Water Circuit

The WSHP-X Module connects to the E-BUS Controller using a modular

HSSC cable. The WSHP-X Module requires a 24 VAC power connection

with an appropriate VA rating. See Figure 8 below for wiring. (VCM-X

WSHP E-BUS Controller shown.)

Any E-BUS Module can be connected to the E-BUS Controller’s E-BUS

port or can be daisy-chained together using HSSC cables.

NOTE: When using the WSHP-X Module, all compressors

will be wired from the WSHP-X Module, not the

VCM-X WSHP E-BUS Controller or SA E-BUS

Controller.

Figure 8: VCM-X E-BUS Controller to WSHP-X Module Wiring Diagram for Dual Water Circuit

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

Connect To VCM-X E-BUS

Controller or SA E-BUS Controller

WATTMASTER CONTROLS

Y 102374 REV 0S

MADE IN USA

OE334-26-WSHPX-A Water Source

Heat Pump X Module

NOTE:

NORMALLY OPEN AND

RATED FOR 24 VAC POWER

ONLY

ALL RELAY OUTPUTS

ARE

COMP. A2 ENABLE

COMP. A1 ENABLE

COMM

COMP. B1 ENABLE

COMP. B2 ENABLE

ALARM OUTPUT

HVAC UNIT

CONNECTIONS

24 VAC Transformer

3 VA Minimum

Line Voltage

24 VAC

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.

HSSC Cable

DIGITAL STG 1 (1.5-5V)

AO1

AO2

DIGITAL STG 2 (1.5-5V)

GND

WATER POF A

BIN6

COM

LEAVING WATER TEMPERATURE

FOR SYSTEM B

LEAVING WATER TEMPERATURE

FOR SYSTEM A

BIN7

WATER POF B

ENTER

DOWN

ALARM

OE334-26-WSHPX-A WSHP-X MODULE AAON NO.: V18330

WattMaster Label

#SW000054

Rev.: 1A

E-BUS

CONNECT

E-BUS

CONNECT

+24 VAC

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

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

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

SIG 2

GND

SIG 1

GND

CIRCUIT A1

SUCTION PRESSURE

TRANSDUCER

SIG 2

GND

SIG 1

GND

CIRCUIT A2

SUCTION PRESSURE

TRANSDUCER

CIRCUIT B1

SUCTION PRESSURE

TRANSDUCER

CIRCUIT B2

SUCTION PRESSURE

TRANSDUCER

1 2 ... 9 10 11 12 13 14 15 16 17 18 19 ... 31 32

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Orion-system Water Source Heat Pump X Module User Manual Page 14

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