Fan; Installer Self-Test - Honeywell CHRONOTHERM III T8611M User Manual

FAN

Move the system switch to OFF, and the fan switch to
ON. The fan should run continuously. When the fan switch
is in the AUTO position, fan cycles with the heating or
cooling system.
INSTALLER SELF-TEST (OPTIONAL)
IMPORTANT:
• Thermostat must have ac power to perform self-test.
• Five-minute time delay on compressor does not
function during self-test.
Perform the following test as a check of all thermostat
functions. If thermostat does not respond as indicated,
thermostat and subbase 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. 14).
Fig. 14—All segments on display.
AM
PM
SUN MON TUE WED THU FRI SAT TEMPORARY
MORNING MIDDAY EVENING NIGHT
2. Set system switch to OFF. Press and release AHEAD,
BACK, and PRESENT SETTING keys at the same time to
enter self-test.
3. Press each key as listed below, and look for re-
sponses listed as key is held down and released. Keys may
be pressed in any order except RUN PROGRAM should
be pressed last because it ends self-test.
REPL
SET
BAT
PT
ROOM
OUTDOOR
COOL ON HEAT ON
M 525A
19
System Press Look For This Response
Switch This Key
Position Key Down
OFF CHANGE 03
TO LAST
PERIOD
SKIP 07
NEXT
PERIOD
15
PRESENT
SETTING
COOL or 15
PRESENT
SETTING
AUTO
(with fan 15
PRESENT
in AUTO) SETTING
15
PRESENT
SETTING
15
PRESENT
SETTING
OFF 06
WARMER
02
COOLER
05
AHEAD
BACK 04
01
COPY
FROM
00
COPY
TO
(CHECK 12
EACH ) PERIOD
POSITION)
OFF 08
CANCEL
PERIOD
13
DAY
no.
SET
HEAT/COOL
09
SET
PRESENT
14
DAY/TIME
SET
PRESENT
HEAT or DAY/TIME 14
AUTO
SET
PRESENT
(with fan 14
DAY/TIME
in auto)
SET
PRESENT
14
DAY/TIME
SET
PRESENT
14
DAY/TIME
SET
PRESENT
14
DAY/TIME
SET
PRESENT
14
DAY/TIME
HOLD
TEMP
OFF 10
RUN
PROGRAM
11
A HEAT displayed when system switch is in HEAT, COOL
when in COOL, HEAT and COOL when in AUTO, neither
when in OFF. Also, a four-digit code is displayed. Expla-
nation for each digit is following.
T8611M
CHECKOUT
Key Released
Blank
Blank
Blank
1st stage cooling, fan and
SYSTEM LED on.
2nd stage cooling also on.
2nd stage cooling off.
1st stage cooling, fan and
SYSTEM LED on.
Blank
Blank
Blank
Blank
Control microprocessor
mask no. and revision no.
Blank
See note A .
Blank
Interface microprocessor
mask no. and revision
Blank
Blank
1st stage heating, fan
and SYSTEM LED on.
2nd stage heating also on.
3rd stage heating and AUX.
HT. LED also on.
3rd stage heating and AUX.
HT. LED off.
2nd stage heating also off.
1st stage heating, fan and
SYSTEM LED also off.
Blank
Normal operating display
68-0076—1