SPECIFICATION SUBMITTAL Page
Job Name:
Job Number:
Model Numbers:
369974b 8 08.27.18
ThermostatL-HWLV2-WIFI
Lutron
Conventional System Heat Pump
Terminal Description Terminal Description
C Common wire from secondary side of
cooling transformer (if there are two
transformers)
C Common wire from secondary side of
cooling transformer
Rc
1
Coolingpower Rc Coolingpower
R
1
Heatingpower R Heatingpower
W Heat, Stage 1 O/B Changeovervalveforheatpumps
W2 Heat, Stage 2 AUX-E BackupHeat/EmergencyHeat
Y Compressor,Stage1 Y Compressor,Stage1
Y2 Compressor,Stage2 Y2 Compressor,Stage2
G FanRelay G FanRelay
A ConnecttoEconomizerModuleor
LightingPanel(TOD)
L / A ConnecttoCompressorMonitor,
ZonePanel,EconomizerModuleor
LightingPanel(TOD)
U1/U1 Universalrelayforhumidication,
dehumidication,ventilation,orastage
ofheating/cooling
U1/U1 Universalrelayforhumidication,
dehumidication,ventilation,ora
stageofheating/cooling
S1/S1 Universalinputforawiredindoor,
outdoor or discharge sensor
S1/S1 Universalinputforawiredindoor,
outdoor or discharge sensor
K
2
ConnecttoKonWireSavermodule K
2
ConnecttoKonWireSavermodule
Accessories/Replacement Parts Part Numbers
WiredOutdoorSensor10kohmNTC C7089U1006
WiredWall-mountIndoorSensor10kohmNTC C7189U1005
WiredFlush-mountIndoorSensor20kohmNTC C7772A1004,C7772A1012
WiredWall-mountIndoorSensor20kohmNTC TR21
WiredWall-mountIndoorSensor10kohmNTC TR21-A
1
Removefactory-installedjumperfortwo-transformersystems.
2
The HoneywellR THP9045A1023WireSavermoduleisusedonheat/coolsystemswhenyouonlyhavefourwiresatthethermostatandyou
needafthwireforacommonwire.UsetheKterminalinplaceoftheYandGterminalsonconventionalorheatpumpsystemstoprovide
controlofthefanandthecompressorthroughasinglewire—theunusedwirethenbecomesyourcommonwire.SeeTHP9045instructions
for more information.
Terminal Designations