Table of Contents
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Electronic Vibration Cutout Switch (Optional) ......................................................................................................................................... 43
Redundant Pump System (Optional) .......................................................................................................................................................... 44
Pump Switch Over: ................................................................................................................................................................................. 45
Pump Removal: ...................................................................................................................................................................................... 45
Pump Installation: ................................................................................................................................................................................... 47
9. Fan Control ................................................................................................................................................................................................ 48
EC Fan System Fan Control ....................................................................................................................................................................... 48
Sequence of Operation .......................................................................................................................................................................... 48
Fan Ramp Sequence ............................................................................................................................................................................. 48
VERTEX™ Fan Ramp-down .................................................................................................................................................................. 49
EC Fan System Troubleshooting ................................................................................................................................................................ 49
Loss of Control Signal ............................................................................................................................................................................ 49
Refrigeration System Controller Power Outages .................................................................................................................................... 49
Single Fan Communication Loss ............................................................................................................................................................ 49
All Fan Communication Loss .................................................................................................................................................................. 50
Power Outage ........................................................................................................................................................................................ 50
Single Fan Power Outage ...................................................................................................................................................................... 50
Unit Power Outage ................................................................................................................................................................................. 51
Fan Alarm Codes ................................................................................................................................................................................... 51
Power Train ......................................................................................................................................................................... 53
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Independent Fan Control (Optional) ........................................................................................................................................................... 53
Variable Frequency Drive Operation .......................................................................................................................................................... 54
Resonant Speed Identification Procedure .................................................................................................................................................. 55
10. Installation Instructions for Field Connections .......................................................................................................................................... 57
Vertex™ Evaporative Condenser Operation & Maintenance Manual - Table of Contents
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