User guide
Electrical Considerations
SECTION 4
7
4.2 Electrical Requirements for the System
Whererequired,allelectricalworkfortheoorheatingcableinstallationmustbedonebyaqualied,licensedelectrician
inaccordancewithlocalbuildingandelectricalcodesandtheNationalElectricalCode(NEC),especiallyArticle424,Part
IXoftheNEC,ANSI/NFPA70andSection62oftheCanadianElectricalCode(CEC),PartI,aswellasanyotherapplicable
statutoryrequirements.
WarmlyYoursrecommendsthefollowingcontrolsandaccessoriesfortheTempZone™FloorHeatingCable(Twin):
•SmartStat™ProgrammableThermostatorEasyStat™Thermostat.BothoftheseunitsfeatureaListedClass-AGFCI
andaoorsensortoregulatetheactualtemperatureoftheoor
•Non-GFCIcircuitbreaker
Inmostinstallations,aClass-AGFCIisrequiredbynationalandlocalcodesforprotectionagainstgroundleakagecurrents.
AClass-AGFCIisincludedwiththeSmartstat™andEasystat™thermostats.IfnotusingaWarmlyYoursthermostat,a
Class-AGFCIthermostatorcircuitbreakermaybeneeded.
TheTempZone™FloorHeatingCable(Twin)shouldbeconnectedtoanon-GFCIcircuitbreakerforcompletedisconnection
onallpoleswithminimum0.12inchdisconnectiondistance.
Thethermostatshouldbeinstalledinadouble-gangboxwithasingle-gangmudringushwiththewallataheightof
approximately5feetoreyelevelforeasyaccessandoperation.TheoorsensorcableandtheTempZone™FloorHeating
Cable(Twin)coldleadsshallberoutedtothethermostatinseparateULListedconduitsifconduitisrequiredbylocaland
nationalelectriccodes.
Iftheoorheatingcableloadexceedsthe15-ampthermostatpowerrating,consultWarmlyYoursforinformationon
alternativesolutionsusingmasterthermostatsandpowermodules.