Installation Manual

6 Nuheat Cable Installation Guide
SECTION
FLOOR
HEATING
SYSTEM
Nuheat Cable
INSTALLATION
PREPARATION
INSULATION & RESISTANCE TESTS
If insulation or resistance tests do not pass the requirements at any
point of the installation, halt installation immediately and contact Nuheat
Technical Services at 1.800.778.WARM
(
9276
)
.
1.31 INSULATION TEST
To ensure cable is fully insulated:
 • Acquireadigitalohmmeter(ormultimeter)withalligatorclipsorequivalent
testing device. Set the ohmmeter to the appropriate setting.
 • Placeoneprobecliponthemetalbraidwire(ground).Placetheotherprobe
clip on the yellow / white wire (red wire for 240V
)
.
 • ConrmthereadingisOLorinnity(opencircuit).
 • Repeatthesestepstocheckthereadingbetweenthemetalbraidwire(ground)
and the black wire.
1.32 RESISTANCE TEST
To ensure continuity in cable:
 • Acquireadigitalohmmeter(ormultimeter)withalligatorclipsorequivalent
testing device. Set the ohmmeter to the appropriate setting.
 • Placeoneprobeclipontheblackwire.Placetheotherprobecliponthe
yellow / white wire
(
red wire for 240V
)
.
 • Conrmohmreadingiswithin+10%/-5%ofthefactoryreadinglistedonthe
cable tag. Record the readings in the table on page 7.
 • IfinstallingaNuheatoor-sensingthermostat,testthesensorprobe.Set
resistancerangeto20KΩ.Probewiresshouldreadbetween8K–12Kohms.
Nuheat Cable must be tested before, during and after installation
to validate the warranty.
!