Chapter 2 - Electrical Installation - YASKAWA E7N Technical Manual

This chapter describes wiring and the electrical installation process for a Drive and
Bypass unit.
Termination Configuration - Power Wiring ......................................2
Control Wiring ................................................................................8
Wiring Diagram ............................................................................23
Electrical Overview........................................................................24
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com
Electrical Installation
Field Wiring, Pressure Wire Connector, Wire Type, Range
and Tightening Torque Specifications ........................................3
Cable Length between Drive and Motor ....................................4
Grounding ..................................................................................5
Wire Routing ..............................................................................6
E7 Drive Main Circuit Configurations 208 VAC ..........................7
E7 Drive Main Circuit Configurations 480 VAC ..........................7
Bypass Field Control Wire Landing ...........................................8
Annunciation Contacts ...............................................................9
Building Automation System Run/Stop Circuit: ........................10
Safety Interlock Circuit: ............................................................10
Building Automation System Interlock Circuit
(Drive and Bypass enable input): .............................................10
Analog Inputs ...........................................................................12
Analog Outputs .........................................................................14
Serial Communications.............................................................15
Remote Transfer to Bypass ......................................................17
Smoke Purge Operation ...........................................................17
Multi-Function Digital Inputs .....................................................17
DIP Switch Programmable Functions Summary ......................18
Bypass Controller PCB ............................................................19
Wiring Checks .........................................................................20
Control Circuit Wiring Precautions ...........................................20
Bypass Control Circuit Terminal Functions ..............................21
Electrical Installation 2 - 1
Chapter 2