specify. Heating will start 5 minutes early for every 1° of
temperature required to reach setpoint.
16 & 17) Select Automatic Schedule – 1F85 only, with just
one touch of the Auto Schedule key this feature allows
you to program a desired comfort temperature into all the
program periods along with a 6° set back for night periods
of both Heat and Cool programs. Factory default is "On"
for both. When Heat AS On and Cool AS On are acti-
vated while in Heat or Cool mode, select desired setpoint
temperature and press Auto Schedule. This value will be
copied into all the morning, day and evening program
periods. The night program periods will have a 6°F set back.
Example: E On is selected and your heating is pro-
grammed to 65° at night and 70° at 7 AM. If the building
temperature is 65°, the difference between 65° and 70° is
5°. Allowing 5 minutes per degree, the thermostat setpoint
will change to 70° at 6:35 AM. Cooling allows more time
per degree, because it takes longer to reach set tempera-
5, 6 & 7) Cycle Rate Selection – The factory default setting for
Heat and Cool modes, SS1, MS2, is medium cycle (ME).
For Heat Pump, HP1, HP2, the default setting is medium
(ME). For Emer (Aux) the default setting is fast cycle (FA).
18 & 19) Select Fast Second Stage ON or OFF – Heat
pump or Multi-stage only, in the run mode, with the fast
Heat feature enabled (FA Heat On), if the Heat setpoint
temperature is manually raised by 3°F (2°C) or more
To change cycle rate, press the
above the actual temperature using
the second stage
will energize immediately. With FA OFF, second stage will
not energize until the setpoint temperature is 1°F or more
above actual temperature for more than ten minutes. The
Fast Cool feature (FA Cool) provides the same controls
when the setpoint temperature is lowered.
Cycle rate differentials for different settings are:
Heat (SS1, MS2)
Cool (SS1, MS2)
Heat Pump (HP1, HP2) 0.9°F
Emer (HP1, HP2) 0.6°F
20)Select Remote Temperature Sensor – This control
allows one wired remote temperature sensor (indoor,
F145-1328, or outdoor, F145-1378) be connected to it and
indicates the measured temperature in clock digits. This
menu enables you to select the remote sensor and also
conﬁgure it as indoor or outdoor temperature sensor. Fac-
tory default is off. Select Remote On and Remote in (for
indoor) or Outdoor Remote.
8) Select Compressor Lockout CL OFF or ON – Selecting
CL ON will cause the thermostat to wait 5 minutes be-
tween cooling cycles. This is intended to help protect the
compressor from short cycling. Some newer compressors
already have a time delay built in and do not require this
feature.Your compressor manufacturer can tell you if the
lockout feature is already present in their system. When
the thermostat compressor time delay occurs, it will ﬂash
the setpoint for up to ﬁve minutes.
Local Temperature Sensor disable – This is applicable
only when indoor remote temperature sensor is enabled.
Factory default is Loc On.You can make it Loc Off if you
desire by using
buttons. Then, only the indoor
9) System Mode Conﬁguration – This thermostat is conﬁg-
ured for Heat and Cool (SYSTEM switch with Cool Off
Heat) default. It can also be conﬁgured for Heat and Cool
with Auto changeover (Heat, Auto, Cool, Off), Heat only
with fan (Off Heat), Heat only without fan, Auto only
(Auto Off), and Cool only (Cool Off).
remote temperature reading will be used for control
21)Select Daylight Saving Time Calculation – This feature
will allow the thermostat to calculate the DST automati-
cally and apply it to the Real Time Clock display. Default
touch keys to select the feature OFF.
22)Keypad Lockout – This step allows you to select the type
of lockout or limited range security required. If no lock-
out or limited range security is required, press MENU to
advance the menu.
10)Select Backlight Display – The display backlight improves
display contrast in low lighting conditions. When the "C" ter-
minal is powered, selecting backlight CdL ON will keep the
light on continuously. Select backlight OFF will turn the light
on momentarily after any button is pressed. When the "C"
terminal is not powered, the light will be on momen- tarily
after any button is pressed no matter whether the backlight
is selected ON or OFF.
Three security settings are available in this menu item.
buttons to select the lockout desired.
Lockout selections are:
"Keypad Lockout and L" = Total Lockout. Total Lockout
locks all keys.
11)Select Temperature Display Adjustment 4 LO to 4 HI –
Allows you to adjust the room temperature display up to 4°
higher or lower. Your thermostat was accurately calibrated
at the factory, but you have the option to change the dis-
play temperature to match your previous thermostat. The
current or adjusted room temperature will be displayed.
"Keypad Lockout and P" = Partial Lockout. Partial Lock-
out allows only the
buttons to operate within
your set temperature limits.
"Keypad Lockout and Limit" prevents changing the
temperature limits in the Conﬁguration Menu.
12)Select F° or C° Readout – Changes the display readout
to Celsius or Fahrenheit as required.
Press Menu after selecting the type of lockout.
13)Select Audio Prompting (Beeper) On or Off – Factory
default setting is on (b, On). If you wish to turn off the
beeper select OFF.
"Keypad Lockout Combination Number Selection"
Display will read "000" "Keypad Lockout". Note: "000" is
not a valid combination choice.
14)Program Options: Selects conﬁguration for 7 day (7) or
5/1/1 day (3) programming or non-programming (0) mode.
The default setting is 7, indicating 7 day programming.
The programs per week can be changed to 3 or 0 by
Skip this step and continue through the remaining conﬁgu-
ration menu items if you require an Air Filter Change out
indicator or Humidiﬁer Pad Change out indicator by press-
ing the MENU button to advance.
buttons. A selection of 0 days for
non-programmable will eliminate the need for EMR, and
that step in the menu will be skipped.
Return to this point when you are ready to start your
selected lock-out and continue by:
15)Program Steps per day – This control can be conﬁgured
for 4 or 2 program steps per day. Default is "2 PS" and
can be toggled between 4 PS and 2 PS.
. Display will read "001".
or buttons to select your keypad lock-
out combination number.