User guide
Figure 9. Attachment points for ohm readings
Testing
SECTION 6
6.4 Go by the Numbers
Theresistanceshouldbemeasuredfromtheinnercoreoftheyellow(120V)orred(240V)leadwireatoneendtotheinner
coreoftheblackleadwireattheotherend.MakesurethattheprobeoftheohmmeterorPowerMan™doesnottouch
thetinnedsheathwireateitherend.Donotholdthewiresontotheprobeswithyourngers.Evenyourbody’selectrical
resistancecanaffectthereadingifyoutouchthemeterpoles.Adigitalmeteriseasiertouseandstronglyrecommended.
VerifythatthebatteriesoftheohmmeterorPowerMan™aregood.SetyourohmmeterorPowerMan™tomeasure
resistanceintherangeof0to200Ω.
Forcablesthathaveover200Ωresistance,itmaybenecessarytosettheohmmetertothenexthigherrangeof
measurementtogetanaccurateohmreading.ThisisnotnecessarywhenusingPowerMan™.
Three(3)ohmreadingsshouldbetakenforeachWarmlyYoursTempZone™FloorHeatingCableateachstageofthe
installationandrecordedinthetableonthewarrantycardinsection10.RefertoFigure9forinstructionsabouthowto
attachtheohmmeterorPowerMan™totakeeachtypeofreading.
1.CoretoCore:Thisisthereadingbetweenthetwoinnerconductorsontheleadwires.
2.CoretoSheath,Yellow/RedLead:Thisisthereadingbetweentheinnercoreandtheoutergroundsheathonthelead
wire.Thisreadingshouldbeinnity.
3.CoretoSheath,BlackLead:Thisisthereadingbetweentheinnercoreandtheoutergroundsheathontheleadwireat
thenishpointofthecable.Thisreadingshouldbeinnity.
Yellow
or Red
Ground
Ground
Yellow
or Red
Black
Black
Yellow
or Red
Ground
Ground
Yellow
or Red
Black
Black
Yellow
or Red
Ground
Ground
Yellow
or Red
Black
Black
Core to Core Core to Sheath Core to Sheath
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