
100.210-IOM (FEB 2015)
Page 32
VYPER
™
VARIABLE SPEED DRIVE
INSTALLATION
OUTPUT POWER CONNECTION (REMOTE MOUNT)
Prepare.the.output.power.leads.by.stripping.0.5.to.1.0.inch.
(13.to.25.mm).of.insulation.from.the.ends.of.the.power.leads.
(See.Figure.20).
The.motor.leads.must.be.brought.in.from.the.top.of.the.unit..
Carefully. remove. the. panel,. which. covers. the. motor. lead.
entry. point,. by. removing. the. screws.. Wires. may. then. be.
run.into.the.interior.of.the.cabinet..Be.sure.to.leave.enough.
relief.in.the.leads.so.no.undue.stresses.are.transferred.to.
the. motor. connection. location. in. the. interior. of. the. unit..
The.attachment.points.are.T1,.T2,.and.T3..They.are.labeled.
in. the. body. of. the. cabinet. at. the. motor. lead. attachment.
points.. Insert. the. stripped. connectors. and. tighten. with. a.
small.wrench..Connectors.should.not.loosen.when.given.a.
moderate.tug.by.hand..
Remote.mount.units.with.power.leads.between.3-50.feet.(1-
15.meters).in.length.require.installation.of.a.dV/dt.“snubber”.
filter.between.the.Vyper
™
.and.the.motor.to.ensure.a.clean.
power.signal.into.the.motor.
OUTPUT POWER CONNECTION (PACKAGE MOUNT)
Package-mounted. Vyper
™
. drives. have. a. different. output.
configuration.than.the.remote-mount.Vyper
™
..The.Package-
mounted.Vyper
™
.uses.3/8.inch.(0.375.in.).terminal.lugs.for.
the.output.power.connection.to.the.compressor.motor..Ap-
propriate.motor.lead.hardware.should.be.used.to.make.the.
connections.and.torqued.to.specifications.listed.in.Table.11.
TABlE 11 – VyPEr
™
oUTPUT PoWEr lEAD TorqUE
SPECIFICATIonS
Output Power Lead Torque Requirement
(Package-Mounted Vyper
™
)
Connector Size
Termination
Torque
3/8” lug
Compression
216-240 in.-lb
The.output.power.attachment.lugs.are.labeled.“T1”,.“T2”,.and.
“T3”.are.located.on.the.inside.right.rear.wall.of.the.Vyper
™
.
cabinet.(See.Figure.23).
The.power.wiring.emerges.from.the.rectangular.cutout.on.
the.rear.wall.of.the.Vyper
™
.cabinet.(See.Figure.23)..These.
connections.are.made.in.the.factory.and.will.be.pretested.
before. shipment.. For. proper. installation,. connect. an. ap-
propriate.conduit.to.the.back.cutout.flange.of.the.cabinet.
Figure 23 - Vyper
™
output Power Terminal Connection lugs