Yaskawa E7B Drive Bypass - Manual (Page 39)

Electrical Installation 2 - 1
Chapter 2
Electrical Installation
This chapter describes wiring and the electrical installation process for a Drive and
Bypass unit.
Termination Configuration - Power Wiring ..................................... 2
Field Wiring, Pressure Wire Connector, Wire Type, Range
and Tightnening Torque Specifications ..................................... 3
Cable Length between Drive and Motor .................................... 4
Grounding ................................................................................. 5
Wire Routing ............................................................................. 6
Drive Main Circuit Configurations 208-240 VAC ....................... 7
Drive Main Circuit Configurations 480 VAC .............................. 8
Control Wiring ................................................................................ 9
Bypass Field Control Wire Landing ........................................... 9
Annunciation Contacts .............................................................. 9
Damper Control Circuit ............................................................ 10
Building Automation system Run/Stop circuit: ......................... 10
Safety Interlock Circuit: ........................................................... 10
Building Automation System Interlock Circuit
(Drive and Bypass enable input): ............................................ 10
Switch Selectable Functions: .................................................. 10
Bypass Relay Controller PCB ................................................. 11
Drive Speed Control Circuit Wiring .......................................... 12
Drive Terminal Block Configuration ......................................... 13
Wiring Checks ......................................................................... 14
Control Circuit Wiring Precautions .......................................... 14
Bypass Control Circuit Terminal Functions ............................. 15
DIP Switch S1 ......................................................................... 16
Shunt Connector CN15 ........................................................... 17
Field Wiring Diagram ............................................................... 18
Wiring Diagram ............................................................................ 20
Logic Diagram .............................................................................. 22