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Testin

gProcedu

res

,

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ServiceStrategy

1

CompanyConfidential

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Overv

iew

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SystemS

tart-up

GeneralConsiderations

Allp

artiesinvolvedshouldhavearepresentativepres

entforstart-up.

Alls

tart-upinfoshouldbelog

gedandsignedoffbyap

propriateparties.

Allt

estequipmentusedfors

tart-uptestingshouldbe

ingoodrepairand

CAL

IBRATED!

Hav

eallappropriatedrawing

s,specifications,andins

tructionsheetson-handfor

ree

rence.

Mecha

nicalInspection

Insp

ectallinsulationandweatherproofing.(WetinsulationisBad!)

,

Verifysensorsareinappropriatelocations

Verifyallcircuitshavebeenproperlygrounded

Verifyallcircuitsareconnectedinproperpanellocations

Verifyallcircuitlengthsarew

ithinmanufacturersspecifiedlimits

Verifyallpropersafetywarningsareinplace

Verifyallendseal,splice/tee

locationsaremarkedon

lagging

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SystemS

tart-up

Electrica

lTests

Insulation

Resistance(Megg

er)

Beforetracingpipes

Afterinstallingterminations

BeforeInsulatingpipes

er

nsuangppes

BeforeEnergizingSystem

CircuitVoltage

Noteambienttempandpipetemp

StabilizedCurrent(15minutesofoperation)

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Documentation

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MeggerTest

Whatisit???

Tests

InsulationResistance

BetweenConductiveCore

Equipment

InsulationResistanceTester

andG

roundingBraid

Detectsdamagethatcan

resultincableshortto

groun

d

1000

VDCMinimum

2500

VDCBest

Digit

alorAnalogOK

Failurecouldtripcircuit

breakerorcausefire

Whento

do??

aery

perae

es

Howtodoit

Perfo

rmedatthefactory

After

receiptatjobsite

After

cableinstall

term

inalsinjunctionbox

One

leadtogroundbraid

One

leadtobusswire

er

nsuaon

AtStart-up

Periodicallyper

maintenanceprocedure

Musthave50MegOhm

s

Plus

at1000VDC

Recordtestedvalue

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MeggerTest

Open

Cover

Removebraidandleadfromterminalblock

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MeggerTest

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eseaposon

esu

om

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C

oldResistanceTest

Whatisit???

Tests

ResistanceBetween

Equipment

Stan

dardMultiMeter

Cable

Busswires

Quick

testtoverifycable

outpu

t

Auto

Rangeto50Kohm

Digit

alorAnalogOK

BatteryOperatedBest

Whento

do??

Perfo

rmedatthefactory

Howtodoit

Take

onefootsam

le

After

receiptatjobsite

Prior

toinstallation

Conditionforonehoura

t70

Deg

F+/-2degF

One

leadtoeachbusswire

SetonOhms

Com

paretoknownvalu

es

Record

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C

oldResistanceTest

Result=2.2Kohms

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Test

leadposition

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StabilizedCurrentTest

Whatisit???

Tests

cablecurrentatfull

volta

e

Equipment

Stan

dardMultiMeterwith

clam

oncurrent

Insurescablepoweroutput

iscor

rectfordesignand

stable

attac

hement

Auto

Rangeto100amp

s

Digit

alorAnalogOK

Whento

doIt??

After

Insulation

AtStart-up

Insulation

Howtodoit

OpenUPCbox

ero

cayper

maintenanceprocedure

am

ponoone

ussw

re

Energizecircuit

Allow

circuittorunfor20

minu

tesminimum

Take

currentreading/

record

Divid

ebycircuitlength

Multilb

Voltae

Watts=C

urrent*Voltage

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Com

paretooutputatpipe

temp

Open

PowerJB

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StabilizedCurrentTest

Clamponbuss

wire

R

eadResult

Watts=Current*V

oltage

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StabilizedCurrentTest

Watts=Current*Voltage

Com

arecalculated

resulttooutut

chartattem

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End

ofCircuitVoltageTest

Whatisit???

Tests

VoltageatendofL

ine

Equipment

Stan

dardMultiMeter

Applied

VerifiesBusswiresare

good

overentirelengtho

f

cable

Digit

alorAnalogOK

BatteryOperatedBest

Whento

do??

Atsta

rt-up

Howtodoit

De-e

nergizecircuit

Rem

oveendcap

Periodicallyper

maintenanceprocedure

One

testleadtoeachbuss

wire

Energizecircuit

ea

voage

Com

paretodesiredvalue

Record

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End

ofCircuitVoltageTest

Exos

eBussWires

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End

ofCircuitVoltageTest

Testleadposition

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Mainten

ance

Genera

lConsiderations

work

.

Alltestequipmentusedsh

ouldbeingoodrepairandcalibrated.

Allin

spectionandtestresultsshouldbedocumentedoncircuit

man

tenanceog.

Free

zeProtectionshouldbecheckedpriortoco

ldweathereachyear

asa

minimum.

Proc

essLinesshouldbec

heckedasthe

roces

sreuires.

MechanicalInspections

Follo

wsameprocedureassystemstart-up

Electric

alInspections

Follo

wsameprocedureassystemstart-up

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