System setting
Description
Factory default setting (bold)
and setting range
21 . Auto Changeover Time
Minimum time between heating and cooling
calls .
4 minutes
1 to 5 minutes
22 . First Stage Differential
First stage differential .
1°F (0.5°C)
1°F to 9°F (0 .5°C to 4 .5°C)
23 . Second Stage Differential
Second stage differential .
1°F (0.5°C)
1°F to 9°F (0 .5°C to 4 .5°C)
24 . Third Stage Differential
Third stage differential .
1°F (0.5°C)
1°F to 9°F (0 .5°C to 4 .5°C)
25 . Fourth Stage Differential
Fourth stage differential .
1°F (0.5°C)
1°F to 9°F (0 .5°C to 4 .5°C)
26 . Away
Enables the Away feature . The Away feature
allows the user to set the thermostat to a
predefined setpoint(s) using a single button
press in the Aprilaire mobile and web apps . The
predefined setpoint(s) is set by the user in the app .
The thermostat will hold the setpoint(s) until Away
is canceled with the app or at the thermostat .
Disable
Enable
27 . Heat Blast
Enables the Heat Blast feature .
Disable
Enable
28 . Blast Offset
Amount of heating when Heat Blast is initiated .
3°F (1.5°C)
3°F to 5°F (1 .5°C to 2 .5°C)
37 . Stage Rate
Accumulation of equipment run time in
equipment staging determination .
1 = more rapid staging of equipment (comfort) .
5 = slower staging of equipment (economy) .
2
1 to 5 or “OFF” to ignore accumulated
run time .
38 . Progressive Recovery
Enable or disable progressive recovery .
Disable
Enable
39 . Low Balance Point
Outdoor temperature low balance point .
Note:
This option is only available if the outdoor
sensor is enabled .
20°F or -8°C
0°F to 60°F (-18°C to 12°C) or OFF to
ignore LBP
40 . High Balance Point
Outdoor temperature high balance point .
Note:
This option is only available if the outdoor
sensor is enabled .
65°F or 14.5°C
0°F to 80°F (-18°C to 22°C) or OFF to
ignore HBP
41 . Program Format
Enables the 7 day program .
7-Day
Non-Prog
42 . Reset Service Reminders
Clears the Change Air Filter and HVAC and
Dehumidifier Service reminders if they are active
and resets the start date to the current date .
Clears the Change Water Panel reminder if it is
active . If the reminder is set to Timed, the timer
will be reset .
No
Yes
43 . HVAC Service Reminder
The period for displaying the “HVAC Service
Reminder” message .
Off
1 to 12 months or “Off” to disable
44 . Constant Backlight
Enable constant, low intensity backlight when
24VAC is present .
Disable
Enable
45 . Backlight Intensity
Set the active backlight intensity .
Note:
The minimum setting is 40% when
Constant Backlight is enabled .
100 Percent
0 to 100 Percent
SETUP & TESTING
SETUP & TESTING
HVAC INSTALLER SYSTEM SETTINGS TABLE
(CONTINUED)
The following table contains the system settings and their details . Default settings are shown in
bold
. Some settings
are only available dependent upon the value of other settings .
HVAC INSTALLER SYSTEM SETTINGS TABLE
System setting
Description
Factory default setting (bold)
and setting range
01 . Equipment Type
Equipment type set by SW1 .
Heat/Cool
Heat Pump
02 . Temperature Scale
Set the thermostat to Fahrenheit or Celsius
mode .
Fahrenheit
Celsius
04 . Control Setup
Used to lockout heating or cooling outputs .
Note:
Only available if Equipment Type is set to
Heat/Cool .
Heat and Cool
Heat Only
Cool Only
05 . Heat/Cool: Cooling Stages
Heat Pump: Compressor
Stages
Heat/Cool: Number of Cooling Stages .
Heat Pump: Number of Compressor Stages .
One
Two
Three (only available in Heat/Cool)
06 . Heat/Cool: Heating Stages
Heat Pump: Aux Heat
Stages
Heat/Cool: Number of Heat Stages .
Heat Pump: Number of Auxiliary Heat Stages .
One
Two
Three (only available in Heat/Cool)
07 . Heat/Cool: Fan Control
in Heating
Heat Pump: Auxiliary
Equipment Type
Heat/Cool: Determines if the thermostat or
equipment controls the fan in heating .
Heat Pump: Auxiliary Equipment type .
Gas/Oil Heat
(equipment controls fan)
Electric Heat (thermostat controls fan)
08 . Extended Fan – Heat
Extends fan operation after heat call ends .
Disable
Enable (90 second extension)
09 . Extended Fan – Cool
Extends fan operation after cool call ends .
Disable
Enable (90 second extension)
10 . Temperature Sensor Offset
Field adjustment of controlling temperature
sensor(s) .
0°
(no offset applied)
-4°F to +4°F (-2°C to +2°C)
11 . Humidity Offset
Field adjustment of internal RH sensor .
0
(no offset applied)
-5% to +5%
12 . Auto Changeover
Enable or disable auto changeover mode .
Disable
Enable
13 . Deadband
Auto Changeover mode deadband .
3°F (1.5°C)
2°F to 9°F (1°C to 4 .5°C)
14 . Remote Sensor
Select if remote sensor is attached, and if it is
attached, if it is the primary control or averaged
with the built-in sensor . If the remote sensor is
the primary control it can be configured to use
the built-in sensor as a back-up sensor .
Not installed
Control no backup
Control with built-in backup
Average with thermostat built-in sensor
15 . Outdoor Sensor
Select if outdoor sensor is attached or not .
Not installed
Installed
17 . Return Sensor
Select if return sensor is attached or not .
No
Yes
18 . Compressor Min Off Time
Minimum off time for compressor protection .
5 minutes
1 to 5 minutes
19 . Heating Min Off Time
Minimum off time for heating .
2 minutes
1 to 5 minutes
20 . Equipment Min On Time
Minimum on time for heating and cooling .
2 minutes
1 to 5 minutes
English
13
12
English
