Orion System Water Source Heat Pump Module - Manual (Page 8)

Water Source Heat Pump Module
Technical Guide 8
Installation & Wiring
VCM-X WSHP to Water Source Heat
Pump Module Wiring
The VCM-X WSHP Controller communicates with the Water Source
Heat Pump Module using the E-BUS Distribution Module. See Figure
4 for wiring details.
Figure 4: VCM-X WSHP Controller to Water Source Heat Pump Module Wiring Diagram
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 Thru 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 Protection Module,
All Compressors Will Be Wired From the
Protection 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
2
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
NOTE: When using the WSHP Module, all compressors will
be wired from the WSHP Protection Module, not the
VCM-X WSHP Controller.