White Rodgers UNP310 - Terminal Labeling Reference Chart

9
3.Labelthatwirewiththecorrespondingletterinthethirdcolumn
4.Disconnectthelabeledwirecarefully,andproceedtothenextwireuntilallwiresarelabeled
Pleasenotethatnotallterminalsmaybeusedandthatthere’snostandardcolorcodeforthermostatwires,soyour
wirecolorsmayvary.Foryourreference,we’veincludedaterminallabelreferencechartbelowtohelpyouconnect
the wires from your old thermostat to your new thermostat in case you get stuck.
Terminal labeling reference chart
If your current
terminal has the
following letter
Writedownthat
letter here
Label the wires with
the following letters
Terminal function
RH,R,R5,5 RH 24VPower(Heating)
RC RC 24VPower(Cooling)
C, X, B*
C
CommonWire
W,W1,W/E,
Aux/E,E
W/E
1stStageHeat(forconventionalsystem);1st
StageAuxiliaryHeat(forheatpumpsystem)