Orion System Water Source Heat Pump Module User Manual
Page 3
Technical Guide
Water Source Heat Pump Module
3
Table of Contents
OVERVIEW ........................................................................................................................................................ 4
Overview ......................................................................................................................................................................................4
Features .......................................................................................................................................................................................4
INSTALLATION AND WIRING ........................................................................................................................... 5
Environmental Requirements .......................................................................................................................................................5
Mounting.......................................................................................................................................................................................5
Dimensions...................................................................................................................................................................................5
Power Supply ...............................................................................................................................................................................5
Important Wiring Considerations ..................................................................................................................................................6
Stand-Alone Wiring ......................................................................................................................................................................6
E-BUS Connection Wiring ............................................................................................................................................................7
Addressing ...................................................................................................................................................................................7
VCM-X Connection Wiring ...........................................................................................................................................................8
START-UP AND COMMISSIONING .................................................................................................................. 10
Unit Confi gurations .....................................................................................................................................................................10
SEQUENCE OF OPERATION ........................................................................................................................... 11
WSHP Module Setpoints ............................................................................................................................................................ 11
Stand-Alone Input Commands ..................................................................................................................................................12
Input Commands (VCM-X WSHP Connection) ..........................................................................................................................12
Modes of Operation ....................................................................................................................................................................13
TROUBLESHOOTING ...................................................................................................................................... 14
Safety Monitoring .......................................................................................................................................................................14
Temperature Sensor Testing ......................................................................................................................................................15
Pressure Transducer Troubleshooting ......................................................................................................................................16
Using LEDs to Verify Operation..................................................................................................................................................17
LED Diagnostics .........................................................................................................................................................................18