Honeywell T8665C Thermostat User Manual


 
69-1538 6
Fig. 2. Example of thermostat display.
Auto
System
Fan
Off
Wait
Wake
Mon
AM
Filter Days
On
DST
TueWedThuFriSatSun Repl Batt Room
Leave ReturnSleep Recovery
Set Program
Set Day/Time
Em Ht Aux Ht
HiMedLo
Critical
Hold for
Temporary
Setting
Em
Heat
M20894
DISPLAYS
EITHER CURRENT
TIME OF DAY OR
PROGRAM TIMES
SHOWS
THERMOSTAT
IS IN THE
SET CURRENT
DAY/TIME MODE
SHOWS
TEMPERATURE
SETTING CHANGED
FOR THIS
PROGRAM
PERIOD
SHOWS TEMPERATURE
DISPLAYED IS THE CURREN
T
SET TEMPERATURE
SHOWS TEMPERATURE
DISPLAYED IS THE CURRENT
ROOM TEMPERATURE
S
HOWS FILTER TIMER
E
XPIRED (TIME TO
R
EPLACE FILTER)
DISPLAYS EITHER ROOM
OR SET TEMPERATURE
SHOWS CURRENT FAN
KEY POSITION ON/AUTO
SHOWS THERMOSTAT IS
CALLING FOR THE FAN
SHOWS SMART
RESPONSE IS OFF
AND CONVENTIONAL
RECOVERY IS ON
SHOWS THAT THERMOSTAT
IS CALLING FOR
SHOWS CURRENT
SYSTEM KEY POSITION
HEAT/OFF/COOL
S
HOWS CURRENT
P
ROGRAM PERIOD
O
R PERIOD BEING
P
ROGRAMMED
S
HOWS CURRENT
D
AY OR DAYS BEING
P
ROGRAMMED
SHOWS WHEN
THERMOSTAT
IS IN THE
PROGRAMMING
MODE
S
HOWS VACATION
H
OLD DURATION
SHOWS SYSTEM ON
DAYLIGHT SAVING TIME
SHOWS ADAPTIVE
INTELLIGENT RECOVERY
TM
IS IN EFFECT
SHOWS BATTERIES
NEED REPLACING
SHOWS THERMOSTAT
IS COMMUNICATING
SUCCESSFULLY
SHOWS CRITICAL
PRICE TIER IS ACTIVE
SHOWS ACTIVE
PRICE TIER
(HIGH, MEDIUM OR LOW)