Honeywell RTH7400 series User manual

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ThismanualcoverstheRTH7400andRTH7500models.
(Pullthermostatfromwallplateandturnovertofindmodelnumber)
Thisthermostatcontainsa LithiumbatterywhichmaycontainPerchloratematerial.
PerchlorateMaterial—specialhandlingmayapply,
Seewww.dtsc.ca.gov/hazardouswaste/perchlorate
CAUTION: EQUIPMENTDAMAGEHAZARD.Topreventpossiblecompressordamage,do
notoperatecoolingsystemwhenoutdoortemperatureisbelowSOT(10oC).
NeedHelp?
Forassistancewiththisproductpleasevisithttp://y<
orcallHoneywellCustomerCaretoll-freeat
Readandsavetheseinstructions.
®U.S.RegisteredTrademark.Patentspending.
USPatentNo.6,595,430;7,114,554;7,274,972;7,225,054andotherpatentspending
Copyright© 2011 HoneywellInternationalInc.Allrightsreserved.

RTH7400/RTH7500 Series
Aboutyournewthermostat
Thermostatfeatures2
Programmingata glance3
Quickreferencetocontrols4
Quickreferencetostatusdisplay5
Programming& Operation
Clocksetting6
Fansetting7
Systemsetting...8
Usingprogramschedules9
Programschedule overrides13
AutoChangeover15
Filterreminder17
Specialfeatures18
Appendices
Batteryreplacement19
Customerassistance20
Incaseofdifficulty21
Limited warranty 23
Yournewthermostatispre-programmed
andreadytogo.
Seepage3 tochecksettings.
69-2222ES—05

Operating Manual
Congratulations!You'vejustpurchasedtheworld'smostadvanced,easy-to-usether-
mostat.Ithasbeendesignedtogiveyoumanyyearsofreliableserviceandclimate
control.
Features
•Easy-to-followmenuprogramming.
•One-touchtempcontroloverridesprogramscheduleatanytime.
•Precisecomfortcontrolkeepstemperaturewithin10Fofthelevelyouset.
•Change/checkreminderletsyouknowwhentoreplacefurnacefilter.
•Largedisplaywithbacklightiseasytoread—eveninthedark.
69-2222ES—05

RTH7400/RTH7500 Series
Yournewthermostatispre-programmedandreadytogo.Allyouhavetodoissetthe
timeandday.Thencheckthesettingsbelowandchangeifneeded:
1. Setclock, - ......Seepage6
2. Selectfansetting:PresettoAutoTochange, see page 7
3.Selectsystemsetting:PresettoHeat..Tochange, see page 8
4. Programschedules:Presettoenergy-savinglevels
whileyou'reatworkorasleep(assumesyouwakeat
6am,leaveat8 am,returnat6 pmandgotobed
at10pm)To change, seepages10-14
ONE-TOUCHTEMPCONTROL:Youcanoverridetheprogramscheduleatanytime,and
manuallyadjustthetemperature(seepages13-14).
69-2222ES—05

Operating Manual
Arrowbuttons
Presstoadjusttemperature(seepages11-14),ortomakeselectionsfromscreenmenus.
System& Fa
Presstoselectfan
operation(seepage
7)orsystem(see
page8).
Schedule
Presstosetprogramschedule(seepages11-12).
M28426
Clock& More
Presstosetclock
(seepage6)or
furnacefilter
reminder.
69-2222ES—05

RTH7400/RTH7500 Series
Currentdayofweek
SmartResponse®
Technologyineffect
(seepage15)
Systemsetting
(seepage8)
Currentinsidetemperature
Mon
75
Recovery
Currenttime
Temperaturesetting
C-H/AM
O'UI
System
Cool
System& Fan /
FanAuto
Schedule
Fansetting
(seepage7)
M28078
Otherdisplaymessages:
•CoolOn:Coolingsystemisactivated
•HeatOn:Heatingsystemisactivated
•AuxHeatOn:Auxiliaryheatingsystemis
activated(heatpumpsystemsonly)
569-2222ES—05

Operating Manual
PressCLOCK
System& Fan Clock& More
Adjusttime,thenpressDONE
Mon
M28079
GoBack
M28080
Tosetthecurrenttimedisplay,press
CLOCK,thenpressA or• toadjustthe
time. PressandholdA or• toadvance
thetimemorequickly.
Press DONE tosave& exit(orpress GO BACK
toexitwithoutchangingthetime).
Note: Thereal-timeclockshouldnever
requireadjustmentsinceitautomatically
updatesfordaylightsavingstime,and
storesalldate/timeinformation.
Note: Tochangethecurrentweek
daydisplay,seeSystemSetupinyour
InstallationGuide.
69-2222ES—05 6

RTH7400/RTH7500 Series
PressSYSTEM& FAN
Schedule Clock& More
rTTTTT^ C JC J
M28081
Press FAN toselectmode,thenpressDONE
Press SYSTEM & FAN, thenFANtoselectfan
operation:
•On:Fanisalwayson.
•Auto:Fanrunsonlywhentheheatingor
coolingsystemison.
System
Heat FanAuto
(^ System
J
r\
^
\Fan
\
N
/
c
:>cimDc M28082 69-2222ES—05

Operating Manual
PressSYSTEM&
Schedule Clock& More
<s -
c c
J
PressSYSTEMtoselectmode,
thenpress
M28081
(
\
Done
N
/
M28083
69-2222ES—05
Followstepsatlefttoselectsystem:
•Heat:Thermostatcontrolsonlytheheating
system.
•Cool:Thermostatcontrolsonlythecooling
system.
•Auto:Thermostatautomaticallyselects
heatingorcoolingdependingontheindoor
temperature.
•Off:Allsystemsareoff.
•EmHeat(onlyforheatpumpswithauxiliary
heat): ThermostatcontrolsEmergencyand
AuxiliaryHeat.Compressorislockedout.
r^
(-<
Note: TheAutoandEmHeatsystem
settingsmaynotappear,dependingon
howyourthermostatwasinstalled.