Option
01
02
03
04
05
06
07
08
09
10
12
13
14
15
16
17
19
18
20
21
Description
Compressor Stages
Heating Stages.
Fan Operation.
Compressor Minimum Off Time (minutes).
Gas Minimum Off Time (minutes).
Minimum Run Time (minutes).
On-Off Temperature Differential
Smart Recovery.
Vacant Heating Setpoint.
Vacant Cooling Setpoint.
Night Level LCD Backlight
Airflow Control On or Off
Enable Selecting Manual Airflow Control.
Maximum Upstairs Airflow in Heating.
Maximum Downstairs Airflow in Heating.
Maximum Upstairs Airflow in Cooling.
Maximum Downstairs Airflow in Cooling.
Maximum Temperature Difference Between
Upstairs and Downstairs.
Factory Restore
0 Cooling On 1 above setpoint, Off at setpoint. Heating On1 below setpoint, Off at setpoint.
o
o
1 Cooling On 1 above setpoint, Off .5 below setpoint. Heating On1 below setpoint, Off .5 above setpoint.
o
o
o
o
2 Cooling On 1 above setpoint, Off 1 below setpoint. Heating On1 below setpoint, Off 1 above setpoint.
o
o
o
o
Display
Cpr
+ Heat
+ Cool
BL
AFC
UFC
HAF+Heat
HAF+Heat
CAF+Cool
CAF+Cool
diF
Fr
Htg
Fan
Cot
HOt
O O o
S r
V A C
V A C
Range
0 or 1
0 or 1
GA(Up) or EL(Down)
0 to 9
0 to 9
0, 1 or 2
0n(Up) or Off(Down)
44 to 75
74 to 95
On(Up) or Off(Down)
On(Up) or Off(Down)
On(Up) or Off(Down)
100 to 160%
100 to 160%
100 to 160%
100 to 160%
0 to 10
No(Next) or Yes(Enter)
Default
1
1
GA
2
0
1
Off
65
80
On
On
Off
150%
150%
140%
140%
2
NA
+ Night
INSTALLER OPTIONS
r n t
0 to 9
2
11
Calibrate Downstairs Sensor
C A L
+/- 5
0
Airflow Update Time
A F t
1 to 20 minutes
2
ACCESSING INSTALLER OPTIONS
To access the Installer Options,
and
the hidden Enter
key for 7 seconds until the first Option appears on the screen.
TOUCH
HOLD
Inside
Tu
Day
Upstairs
Auto
Downstairs
Airflow %
COOL
Schedule
AUTO
FAN
MENU
MODE
Cool
Set To
SYSTEM
AM
TOUCH
HOLD
and
this key for 7 seconds
to access the Installer Options.
Touch the
keys to
set 0 or 1 stage.
Touch
to display the
next option. After about 20
seconds, the installer options
will time out and return to
normal thermostat operation.
UP/DOWN
NEXT
Option
NEXT
ENTER
01 Setting the Compressor Stages
This option is used to set the number of cooling stages.
Option
NEXT
ENTER
Touch the
keys to
set 0 or 1 stage.
Touch
to display the
next option, or
to save
the option and return to normal
thermostat operation, or touch
the hidden
key to return
to the previous option.
UP/DOWN
NEXT
ENTER
BACK
This option is used to set the number of heating stages.
Option
NEXT
ENTER
Touch the
key to select
“EL” for electric operation
where the thermostat activates
the indoor fan (G terminal)
during heating calls or
key to select GA for gas
operation where the equipment
plenum sensor activates the
indoor fan in heating calls.
Touch
to display the
next option, or
to save
the option and return to normal
thermostat operation.
UP
DOWN
NEXT
ENTER
5
22
Calibrate Upstairs Sensor.
C A L
+/- 5
0
Factory Default: 1 Stage. Range: 0 or 1
02 Setting the Heating Stages
Factory Default: 1 Stage. Range: 0 or 1
03 Setting the Fan Operation in Heating
Factory Default: Gas. Range: GA or EL
The hidden BACK key can be
used to return to previous options.