15
ForHeatPumpsWithElectricBackup
(DF= )
Whentheambienttemperatureisabovethe
selectedtemperature,theheatpumpwill
operateandelectricbackupwillbelockedout.
Ambienttemperaturebetweentheselected
temperatureswillresultinheatpumpand
electricback-upoperation.
Ambienttemperaturebelowthelowerselected
temperaturewillresultinonlyelectricbackup
operating.
Heatpumpoperationonly
Bothheatpumpandelectric
backup
Electric
backuponly
Upper
setpoint
Lower
setpoint
°F/C
OutdoorTemperature
HeatPumpwithElectricBackup
(DF= )
ForHeatPumpsWithGas/Oil
Backup(DF= )
Whentheambienttemperatureis
aboveselectedtemperature,only
theheatpumpwilloperate.
Whentheambienttemperatureis
belowtheselectedtemperature,
theheatpumpwillbelockedout
andonlythefurnacewilloperate.
Outdoor
Temperature
Setpoint
Heatpumpoperationonly
Gas/oiloperationonly
°F/C
HeatPumpwithGas/OilBackUp
(DF=
)
HeatPumpwithGas/OilBackUp
(DF=
)
Outdoor
Temperature
Setpoint
Gas/oiloperationonly
°F/C
Heatpumpoperation
with
gas/oilasauxiliarystage
ForHeatPumpsWithGas/Oil
Backup(DF=
)
Whentheambienttemperatureis
aboveselectedtemperature,heat
pumpoperateswithauxiliarystage
ofgasoroilheat.
Whentheambienttemperatureis
belowtheselectedtemperature,the
heatpumpwillbelockedoutand
onlythefurnacewilloperate.
Remote Sensor When Used as Outdoor Sensor ( 3020 only)
8.*DualFuelSystem( , , )
Appearsonlyifheatpumpisselected.Fornon-heatpumpusers,pleaseskipthissection
andadvancetotheAuxiliaryDelayscreensonPage16.
= Heatpumpwithgas/oilfurnacebackup(seebelow).
= Heatpumpwithgas/oilfurnacebackup,butfurnacecanturnonduringwarm
outdoorconditions(seebelow).
=Heatpumpwithelectricbackup(seebelow).
Pressthe
or toselect.Press toadvancetothenextscreen.
CONFIG