27V3.15.22
CellarPro Networkable Thermostat Upgrade
Overview
CoolingunitswiththeNetworkableThermostat(“NT”)Upgradeareconfiguredwithaunit‐mounted
temperaturedisplaythatprovidestroubleshooting,operationalsafetycontrolsanddefrostcycles.The
upgradealsoincludes10feetof18/5thermostatwire,whichmustbeconnectedtoa24VAC
NetworkableThermostat.
CompatibleNTs
CellarProhastestedandapprovedthefollowingNTbrands/models:
Ecobee4Pro
Nest
Honeywell/LyricT6
Anyother24VACHVACThermostatwithpowerconsumptionlessthan4VA
InstallationInstructions
IMPORTANT:CONNECTTHETERMOSTATWIRETOTHENTBEFORECONNECTINGPOWERTOTHE
COOLINGUNIT.
InstallthecoolingunitbutDONOTconnectpowerthecoolingunit.Thetemperaturedisplayonthe
coolingmustbeblank,indicatingnopowerisconnectedtothecoolingunit.Itisnowsafetoconnect
the18/5thermostatwiretotheNT.
IftheNTdoesnothavearemotesensor,theNTmustbeinstalledinsidethecellar.Itisveryimportant
tolocatetheThermostatinanareathatgetsgoodairflow,ideallyinalocationneartheairreturnto
thecoolingunit.
IftheNThasaremotesensoroption,itmaybepossibletolocatethemainThermostatoutsidethe
cellar,andtheremotethermostatinsidethecellar.Makesuretodisablethetemperatureinputfrom
themainThermostat,andcontrolthecellarusingtheremotesensor.Itisveryimportanttolocatethe
remotesensorinanareathatgetsgoodairflow,ideallyinalocationneartheairreturntothecooling
unit.
Connectthecolor‐codedthermostatleadwiretotheNTterminalsasfollows:
Redwiretoterminal“Rc”(24VACPowerSupply)
Bluewiretoterminal“C”(24VACCommon)
Yellowwiretoterminal“Y1”(cooling/compressor)
Greenwiretoterminal“G”(coolingunitfan)
TheWhitewireinthe18/5thermostatwireharnessisnotused.