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157
TECHNICAL HELP
1
-371 Step Press Button(s) Displayed (Factory Default) Press or to select: COMMENTS
PROG MODE
(5 2)
5 1 1
2
EMR
(ON)
OFF
Selects program mode (5+2 Day or 5+1+1 Day)
1F90 ONLY.
3
SET CYCL HEAT
(05)
02 - 40
Adjusts heat anticipation value (2 through 40)
4
SET CYCL COOL
(14) (12 for -391)
09 - 40
5
COOL FAN DELA OFF
(01)
01 - 127
6
COOL FAN DELA ON
(04)
01 - 05
9
0° F
(0)
5 LO to
5 HI
10
°(F) °C
12
REMT SEN
(OFF)
ON
Selects remote sensor OFF or ON
13
PART LOCK
(OFF)
ON
Selects partial keypad lockout OFF or ON
14
LOCK
(OFF)
ON
Selects total keypad lockout OFF or ON
15
Returns to normal operation
11
BEEP
(ON)
OFF
Turns beeper ON or OFF
7
COMP LOCK (ON)
(OFF) for -391
OFF
8
SYSTEM
(HEAT-OFF-COOL-AUTO)
HEAT-OFF,
COOL-OFF,
HEAT-OFF-COOL
Selects system switch choices for heat only, cool only,
heat/cool or automatic changeover
Selects EMR option ON or OFF
Adjusts cool anticipation value (9 through 40)
Adjusts cool fan-off delay (1 through 127 sec.)
Selects compressor lockout ON or OFF (see NOTE)
Adjusts cool fan-on delay (1 through 5 sec.)
Adjusts temperature display higher or lower
Adjusts temperature display to °F or °C
PROGRAM
RUN
TIME
and TIME
FWD
BACK
TIME
FWD
TIME
FWD
TIME
FWD
TIME
FWD
TIME
FWD
TIME
FWD
TIME
FWD
TIME
FWD
TIME
FWD
TIME
FWD
TIME
FWD
TIME
FWD
TIME
FWD
N/A
Adjusts humidity display higher or lower
RH
20 LO to
20 HI
N/A
DRY
(0)
HI - LO
Selects programmable automatic humidity reduction
TIME
FWD
TIME
FWD
-391 Step
1
2
3
4
5
6
9
10
12
13
11
7
8
1
14
15
16
90 SERIES
1F90-371/1F97-371/1F97-391
Jumper Locations
➊ Clip for remote sense
➋ 3-pin connector
➌ Clip for electric heat
Customizing Your Comfort-Set 90 Thermostat
The following table allows you to customize the options on your Comfort-Set 90 thermostat. Begin by pressing simultaneously
the two buttons in step 1.
NOTE: COMP LOCK OFF permanently defeats compressor lockout. Turn this feature off only if the system already provides for compressor
short-cycle protection
CONFIGURATION
CONFIGURATION
RESETTING THERMOSTAT
The thermostat can be reset back to factory
default programs and configuration options.
Removing power from the thermostat will not
reset it to the default settings. Before resetting
the thermostat, you may want to make note of
the previously selected configuration options
and programming.
To reset the thermostat, press and release
PROGRAM
RUN
, then press the
FAN
,
TIME
BACK
and buttons at the same
time. This will reset the thermostat to factory
default programs and configuration. The
display will momentarily go blank, then all
segments on the display will momentarily be
shown. The thermostat will then go into the
HOLD mode and will maintain factory preset
temperatures.
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