User's Manual

17 Installer Guide
Wireless Remote Sensor Communication Loss
Ifcommunicationbetweentheremotesensorandthermostatislost,theredindicatorontheremote sensor
willbegintoashonceevery10seconds.Thesensorwillattempttoreconnecttothethermostatseveral
timesautomatically.
NOTE: To attempt to reconnect manually, press and hold the CONNECT button for 3 seconds.
Thethermostatdisplaywillalsoindicatewhichwirelessremotesensorhaslostcommunicationbyashing
COMMLOSSalongwiththeremotesensorthathaslostcommunication(seeTable2).
Wireless Remote Sensor Low Battery
Ifthebatteriesinawirelessremotesensorarelow,theredindicatorwillash3timesevery30seconds.The
thermostatdisplaywillalsoindicatewhichwirelessremotesensorhasalowbatterybyashingLOWBATT
alongwiththeremotesensorthathasthelowbatterycondition(seeTable2).Replacetheremotesensor
batteriesimmediately.
NOTE: After replacing batteries, allow up to 15 minutes for the wireless connection to re-establish.
IDS1, IDS2, IDS3 or IDS4 RemoteIndoorSensor1-4
HMS  RemoteHumiditySensor
ODS  RemoteOutdoorSensor
Warning
Read Before Testing
• Donotshort(orjumper)acrossterminalsonthegasvalveorattheheatingorcoolingsystemcontrolboard
 totestthethermostatinstallation.Thiscoulddamagethethermostatandvoidthewarranty.
• DonotselecttheCOOLmodeofoperationiftheoutsidetemperatureisbelow50ºF(10ºC).Thiscould
 possiblydamagethecontrolledcoolingsystemandmaycausepersonalinjury.
• Thisthermostatincludesanautomaticcompressorprotectionfeaturetoavoidpotentialdamagetothe
 compressorfromshortcycling.Whentestingthesystem,makesuretotakethisdelayintoaccount.
NOTE: The compressor delay can be bypassed by pressing the reset button on the front of the thermostat.
All user settings will be returned to factory default, however all Installer settings will remain as originally
programmed in section 4.
1 PressSYSTEMuntilthethermostatisinHEATmode.
2 UsingtheSpeedBar®raisethesettemperatureaminimumof3degreesabovethecurrentroom 
 temperature.Thesystemshouldstartwithinafewseconds.Withagasheatingsystem,thefanmay
 notstartrightaway.
3 PressSYSTEMuntilthethermostatisintheOFFmode.Allowtheheatingsystemtofullyshutdown.
4 PressSYSTEMuntilthethermostatisintheCOOLmode.
5 UsingtheSpeedBarlowerthesettemperatureaminimumof3degreesbelowthecurrentroom 
 temperature.Thesystemshouldstartwithinafewseconds(unlesscompressorshortcycleprotection
 isactive–Seenoteabove).
6 PressSYSTEMuntilthethermostatisintheOFFmode.Allowthecoolingsystemtofullyshutdown.
7 PressFANuntilthethermostatisinFANONmode.Thesystemfanshouldstartwithinafewseconds.
8 PressFANuntilthethermostatisinFANAUTOmode.Allowthesystemfantoturnoff.
9 Ifthethermostatiscontrollingauxiliaryequipmentsuchasahumidier,adjustthethermostat
 settingstotestthesedevices.
6
System Testing
Table 2