Honeywell T8624C System Press Look For This Response Switch Position This, Key Key Down Key Released OFF 03 Blank 07 Blank 15 Blank COOL or AUTO (with fan in

12
System Press Look For This Response
Switch
Position This Key Key
Down Key Released
OFF 06 Blank
02 Blank
05 Blank
04 Blank
01 Blank
00 Blank
(CHECK
EACH
POSITION)
12 See note A
OFF 08 Blank
13 Microprocessor
mask no. and
revision no.
09 Blank
14 Blank
HEAT or
AUTO 14 1st stage heating and SYSTEM
LED on.
14 2nd stage heating
also on.
14 2nd stage heating
off.
14 1st stage heating
and SYSTEM
LED off.
NOTE: If single-stage heating system, press key twice
instead of four times; once to turn on heating and
SYSTEM LED, second time to turn off.
OFF 10 Blank
11 Normal operating
display.
END SELF-TEST
A
SUNMON TUE WED THU FRI SAT COOL ON HEAT ON
WAKELEAVE RETURN SLEEP TEMPORARY
REPL
BAT
AM
PM
SET
PT
M410C
(continued)
RUN
PROGRAM
RUN
PROGRAM
SET
HEAT/COOL
DAY
SLEEP
BACK
COOLER
AHEAD
LEAVE
WARMER
RETURN
WAKE
T8624C,D
CHECKOUT
1
SET
PRESENT
DAY/TIME
SET
PRESENT
DAY/TIME
SET
PRESENT
DAY/TIME
SET
PRESENT
DAY/TIME
SET
PRESENT
DAY/TIME
System Press Look For This Response
Switch
Position This Key Key
Down Key Released
OFF 03 Blank
07 Blank
15 Blank
COOL or
AUTO
(with fan in
15 1st stage cooling,
fan and SYSTEM
LED on.
AUTO) 15 2nd stage cooling
also on.
15 2nd stage cooling
off.
15 1st stage cooling,
fan and SYSTEM
LED off.
NOTE: If single-stage cooling system, press key twice
instead of four times; once to turn on cooling, fan
and SYSTEM LED, second time to turn off.
CHANGE
TO LAST
PERIOD
SKIP
NEXT
PERIOD
PRESENT
SETTING
PRESENT
SETTING
PRESENT
SETTING
PRESENT
SETTING
PRESENT
SETTING
HOLD
TEMP