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Electronic Bypass Controller Installation and Commissioning Guide
Contents
Section 1 - Introduction .................................................................................... 5
Section 2 - Installation Instructions ................................................................... 6
2.1 Receiving ......................................................................................................6
2.2 Nameplate Information ...........................................................................6
VFD Labels ....................................................................................................7
Typical Standard VFD Rating Label ...........................................................7
Typical VFD Approvals Label ....................................................................7
2.3 Part Number Identification
............................................................................8
2.4 Mounting & Clearances .................................................................................9
2.5 Wiring and Precautions ..............................................................................10
2.5.1 General ..............................................................................................10
2.5.2 Input Wiring .......................................................................................10
2.5.3 Output Wiring ....................................................................................11
2.5.4 Control Circuit Wiring .........................................................................12
2.5.4.1 Analog Output ...........................................................................12
2.5.4.2 Digital Input ..............................................................................12
2.5.4.3 Digital / Relay Outputs ...............................................................12
2.5.5.4 Internal Control Wire Connections .............................................13
2.5.6 Grounding .........................................................................................13
2.6 Inspection ..................................................................................................14
2.7 Checking Motor Rotation ............................................................................14
2.7.1 Check #1: Rotation on VFD power .....................................................14
2.7.2 Check #2: Rotation on Bypass power ..................................................15
Section 3 - Operation ....................................................................................... 16
3.1 Keypad Operation .......................................................................................16
3.1.1 VFD Keypad .......................................................................................17
3.1.2 Electronic Bypass Keypad ...................................................................17
3.1.3 Electronic Bypass Keypad Layout ........................................................17
3.1.4 System Status LEDs ............................................................................18
3.1.5 HAND / OFF / AUTO Buttons ...............................................................18
3.1.6 TEST / VFD / BYPASS Buttons ..............................................................19
3.1.7 LED Alarm Display ..............................................................................19
3.2 Starting Operation ......................................................................................19
3.3 Ending Operation .......................................................................................21
