9
OPERATING YOUR THERMOSTAT
To prevent compressor and/or property damage, if the
outdoor temperature is below 50°F, DO NOT operate
the cooling system.
CAUTION
!
Cooling
1. Press SYSTEM to select
"Cool"
.
2. Press to adjust the thermostat setting below room
temperature. The blower should come on immediately on
high speed, followed by cold air circulation. The display
should show "
System On"
. If the setpoint temperature
display is flashing, the compressor lockout feature is
operating (see Configuration menu, item 11).
3. Press to adjust the temperature setting above room
temperature. The cooling system should stop operating.
Choose the Fan Setting (Auto or On or Prog)
There are two fan features on the 1F95-1277
1.
Fan Auto/On
- T
raditional Fan Settings
Press
Fan
to select
Auto
or
On
. The most commonly
used setting is
Auto. Fan Auto
runs the fan only when the
heating or cooling system is operating. Selecting
Fan
On
runs the fan continously for increased air circulation or to
allow additional air cleaning if the system is equipped with
an Electronic Air Cleaner.
2.
FAN Prog
- Comfort Circulating fan Feature
Pressing
Fan
until
FAN Prog
appears activates the
Comfort Circulating Fan Option. This causes the
thermostats to cycle the fan on for 10 minutes and off for
room temperature. The heat pump system should
begin to operate. The display should show "
System
On"
. However, if the system configuration is set to
HP1 and setpoint temperature display is flashing, the
5 minute compressor lockout feature is operating (see
Configuration menu, item 11).
3. Adjust temperature setting to 3° above room temperature.
If your system configuration is set at HP1 the auxiliary
heat system should begin to operate and the display will
show
"System On +2"
.
4. Press to adjust the thermostat below room
temperature. The heating system should stop operating.
Emergency Mode
Applies only to Heat Pump Systems
Emergency Heat (System EM Position)
bypasses the Heat
Pump to use the heat source wired to terminal
W/E
on the
thermostat.
EM
is typically used when compressor operation
is not desired, or you prefer back-up heat only.
1. Press SYSTEM key to select
EM
.
“EM Heat Mode”
will
flash on the display.
2. Press to adjust thermostat setting above room
temperature. The Emergency heating system will begin
to operate. The display will show
“System On + 2”
flashing
“EM Heat Mode”
and “Heat” to indicate that the
Emergency system is operating.
3. Press to adjust the thermostat below room
temperature. The heating system should stop operating.
20 minutes if the thermostat has not called for heat or
cool during the past 60 minutes. This assures moderate
air ci rculation even when the heating and cooling
equipment is not cycling.
Choose the System Setting
(Cool, Off, Heat, Em, Auto)
Press the SYSTEM key to select:
Cool:
Thermostat controls only the cooling system.
Off:
Heating and Cooling systems are off.
Heat:
Thermostat controls only the heating system.
Em:
Setting is available only when the thermostat is
configured in HP1 mode.
Auto:
Auto Changeover is used in areas where both heating
and cooling may be required on the same day.
AUTO
allows
the thermostat to automatically select heating or cooling
depending on the indoor temperature and the selected heat
and cool temperatures. When using
AUTO
, be sure to set the
Cooling temperatures more than 1° Fahrenheit higher than
the heating temperature.
Manual Operation for
Non-Programmable Mode
Press the SYSTEM key to select
"Heat"
or
"Cool"
and use
the keys to adjust the temperature to your desired setting.
After selecting your desired settings you can also press
the SYSTEM key to select
AUTO
to allow the thermostat to
automatically change between
"Heat"
and
"Cool"
.
Manual Operation (Bypassing the Program)
Programmable Mode
Manual operation will bypass the program and allow you
to adjust the temperature as you desire. The temperature
you set in
Hold
will be maintained indefinitely. Press
or
to adjust the temperature. The HOLD key will appear.
Press the HOLD key. "
Hold At"
will appear next to the
setpoint temperature and the thermostat will maintain the
new setpoint temperature until
Run Schedule
is pressed to
resume program operation.
Program Override (Temporary Override)
Press
or
keys to adjust the temperature. This will
override the temperature setting for a (default) four hour
override period. The override period can be shortened by
pressing or lengthened by pressing . Program Override
period can range from 15 minutes to 7 days.
Example:
If you turn up the heat during the morning
program, it will be automatically lowered later, when the
temporary hold period ends. To cancel the temporary setting
at any time and return to the program, press
Run Schedule
.
If the SYSTEM key is pressed to select
AUTO
the
thermostat will change to
"Heat"
or
"Cool"
, whichever
ran last. If it switches to
"Heat"
, but you want
"Cool"
, or it
changes to
"Cool"
, but you want
"Heat"
, press both keys
simultaneously to change to the other mode.
