Honeywell CHRONOTHERM III T8611G User Manual
Page 7

7
69-0348—1
mask no. and
System
Press
Look for this
Switch
This
Response
Position
Key
Key Down
Key Released
OFF
03
Blank
07
Blank
15
Blank
COOL or
15
Cooling, fan and
15
Cooling, fan and
OFF
06
Blank
02
Blank
05
Blank
04
Blank
01
Blank
00
Blank
12
See note A
OFF
08
Blank
13
Microprocessor
09
Blank
14
Blank
HEAT or
14
14
14
14
OFF
10
Blank
11
END SELF-TEST
A HEAT displayed when system switch is in HEAT, COOL
when in COOL, HEAT or COOL when in AUTO, neither
when in OFF. Also, a four-digit code is displayed, with each
digit explained on the next page.
AUTO (with
fan in AUTO)
CHANGE
TO LAST
PERIOD
SKIP
NEXT
PERIOD
PRESENT
SETTING
PRESENT
SETTING
PRESENT
SETTING
WARMER
COOLER
AHEAD
BACK
LEAVE
RETURN
WAKE
SLEEP
DAY
SET
HEAT/COOL
SET
PRESENT
DAY/TIME
SYSTEM LED on.
SYSTEM LED off.
revision no.
1st stage heating,
fan and SYSTEM
LED on.
AUTO
(with fan
in AUTO)
2nd stage heating
and AUX. HEAT
LED also on.
2nd stage heating
and AUX. HEAT
LED off.
1st stage heating,
fan and SYSTEM
LED off.
Normal operating
display.
SET
PRESENT
DAY/TIME
SET
PRESENT
DAY/TIME
HOLD
TEMP
SET
PRESENT
DAY/TIME
SET
PRESENT
DAY/TIME
RUN
PROGRAM
(CHECK
EACH
POSITION)
Perform the following test as a check of all thermostat
functions. If thermostat does not respond as indicated, ther-
mostat must be replaced.
1. Press AHEAD and BACK keys at the same time.
While holding keys down, all segments of the display should
be on, see Fig. 10.
2. Set system switch to OFF. Press AHEAD and BACK
and PRESENT SETTING keys at the same time to enter
self-test.
Fig. 10—All segments on display.
M410C
SUN MON TUE WED THU FRI SAT COOL
ON HEAT ON
WAKE LEAVE RETURN SLEEP
TEMPORARY
REPL
BAT
AM
PM
SET
PT
3. Press each key as listed below, and look for response
listed, as key is held down and released.