About your new thermostat – programmable models – Aprilaire 8400 User Manual
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CONTROlS & DISplAy OVERVIEw – mODElS 8463, 8465, 8466
NOTE: BACkLIgHT IS ACTIVATED WITH FIRST BUTTON PRESS AND AUTOMATICALLy TURNS OFF.
CURRENT INDOOR TEMPERATURE
SySTEM MODE
SETTINg
FAN SETTINg
SySTEM MODE
(PAgE 6)
FAN SETTINg
(PAgE 7)
BATTERy DOOR
MESSAgE CENTER
LOW BATTERy WARNINg (PAgE 7)
QUICk REFERENCE CARD
OUTDOOR TEMPERATURE (OPTIONAL)
TEMPERATURE SETTINg
EQUIPMENT STATUS
EMERgENCy HEAT (RED)
SySTEM FAULT (yELLOW)
INDICATOR SHOWS THROUgH HOUSINg
HEAT pUmp mODElS ONly
UP
DOWN
PROgRAM
CURRENT
SCHEDULE
PERIOD
(PAgE 8)
HOLD
CURRENT TIME
AbOUT yOUR NEw THERmOSTAT – pROgRAmmAblE mODElS
61000651B 8400 Tstat Owners.indd 5
7/23/09 10:43:02 AM