Honeywell Home T3 - Installation Guide; Receiver Box Preparation and Installation

T4PROGRAMMABLETHERMOSTAT
INSTALLATION
Toensureyoursafety,alwaysmakesuremainspowerisswitchedOFFbeforeaccessingwiring.
Beforeremovingtheoldthermostattakeapictureoftheoldthermostat’swiringasareferencethenproceedtoinstallation.
TheT3thermostatshouldnotbeplacedneardraughts,indirectsunlightornearheatsources.Itshouldbeatleast1.2‐ 1.5
metersfromthefloor.
PrepareReceiverBox(T3Ronly)
Neededduringinstallation:
• Cablewith2wiresfromboilertoReceiverBox(R3H710RF0005).
• TheReceiverBoxrequires230Vpower.
Findasuitablelocationneartheboiler.Leaveatleast30cmdistancefromany
metalobjectsincludingwallboxesandboilerhousing.
Loosenthefrontscrewtoremovecoverortightenitwhenthecoverisbackin
position.
InstallReceiverBox(T3Ronly)
A.WallboxorRearwiring
B.Surfacewiring
C.Replacecover
Completeinstallation(T3R)
TurnmainspowersONtotheheatingapplicationandthereceiverbox
Pressthemanualoverride
tocheckiftheboilerswitchesON.
ThebuttonLEDlightsshouldlight
GREEN
Afterpoweringupboth
devicesthestatusLED
shouldbesteadyGREEN