Orion-system Water Source Heat Pump X Module User Manual download pdf (Page 8)

WSHP-X Module

Technical Guide

Installation & Wiring

VCM-X WSHP to WSHP-X Module

Wiring for Single Water Circuit

The VCM-X WSHP Controller or SA Controller communicates with the

WSHP-X Module using the E-BUS Distribution Module. See Figure

5 for wiring details.

Figure 5: VCM-X WSHP Controller to WSHP-X Module Wiring Diagram for Single Water Circuit

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

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

VCM-X WSHP Controller

Connect To

E-BUS

Distribution

Module

Line Voltage

24 VAC

GND

Line Voltage

All Comm Loop Wiring Is

Straight Thru

24VAC

GND

Local Loop

RS-485

9600 Baud

See Individual Component

Wiring Diagrams For

Detailed Wiring Of Analog

Inputs And Outputs

For Stand Alone Applications,

Connect To System Manager.

For Network Applications

Connect To Next Controller

And/Or MiniLink PD On Local Loop.

G - Fan ON/OFF Only

R - 24VAC

Relay Output Contacts

R2 Through R5 May Be User Configured For The

Following:

1 - Heating Stages

2 - See Note 1 Below

3 - Warm-up Mode Command (VAV Boxes)

4 - Reversing Valve (Air To Air Heat Pumps)

5 - Reheat Control (Dehumidification)

6 - Exhaust Fan Interlock

7 - Preheater For Low Ambient Protection

8 - Alarm

9 - Override

10 - Occupied

11 - OA Damper

12 - Heat Wheel

Note:

1.) When Using The WSHP-X Module, All

Compressors Will Be Wired From The Module, Not

The VCM-X Controller.

2.) A Total Of 20 Relays Are Available By Adding Relay

Expansion Modules. All Expansion Module Relay

Outputs Are User-Configurable As Listed Above.

Connect FRP Tubing To High Pressure

Port (Bottom Tube) And Route To Static

Pressure Pickup Probe Located In Unit

Discharge. Leave Port Marked “Lo” Open

To Atmosphere

OE271

Static Pressure

Transducer

Splice If Required

Connect To E-BUS Distribution Module or

Expansion Module(s)

(When Used)

Connect To Digital Room Sensor And/Or

Digital CO Sensor

Warning:

24 VAC Must Be Connected So That All Ground

Wires Remain Common. Failure To Do So Will

Result In Damage To The Controllers.

T to T, R to R & SHLD to SHLD

Size Transformer For Correct

Total Load.

VCM-X Controller = 8 VA

(OE332-23-WSHP-C)

VCM-X WSHP Controller

Note:

All Relay Outputs Are Normally Open And Rated

For 24 VAC Power Only.

1 Amp Maximum Load.

AI1

AI1 SET AI2 SET AI3 SET

AI4 SET AI5 SET AI7 SET

AI2

AI3

AI4

AI5

AI7

AI1 SET AI2 SET AI3 SET

AI4 SET AI5 SET AI7 SET

Jumpers

1 2 3 4 5 6 7 8 9 10 11 12 13 ... 31 32

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Orion-system Water Source Heat Pump X Module User Manual Page 8

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