Hvac Installer System Settings Table - Aprilaire 8910W Safety & Installation Instructions

SETUP & TESTING

HVAC INSTALLER SYSTEM SETTINGS TABLE

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 .
System setting Description
01 . Equipment Type Equipment type set by SW1 .
02 . Temperature Scale Set the thermostat to Fahrenheit or Celsius
mode .
04 . Control Setup Used to lockout heating or cooling outputs .
Note: Only available if Equipment Type is set to
Heat/Cool .
05 . Heat/Cool: Cooling Stages Heat/Cool: Number of Cooling Stages .
Heat Pump: Compressor
Heat Pump: Number of Compressor Stages .
Stages
06 . Heat/Cool: Heating Stages Heat/Cool: Number of Heat Stages .
Heat Pump: Aux Heat
Heat Pump: Number of Auxiliary Heat Stages .
Stages
07 . Heat/Cool: Fan Control Heat/Cool: Determines if the thermostat or
in Heating equipment controls the fan in heating .
Heat Pump: Auxiliary
Heat Pump: Auxiliary Equipment type .
Equipment Type
08 . Extended Fan – Heat Extends fan operation after heat call ends .
09 . Extended Fan – Cool Extends fan operation after cool call ends .
10 . Temperature Sensor Offset Field adjustment of controlling temperature
sensor(s) .
11 . Humidity Offset Field adjustment of internal RH sensor .
12 . Auto Changeover Enable or disable auto changeover mode .
13 . Deadband Auto Changeover mode deadband .
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 .
15 . Outdoor Sensor Select if outdoor sensor is attached or not .
17 . Return Sensor Select if return sensor is attached or not .
18 . Compressor Min Off Time Minimum off time for compressor protection .
19 . Heating Min Off Time Minimum off time for heating .
20 . Equipment Min On Time Minimum on time for heating and cooling .
12 English
Factory default setting (bold)
and setting range
Heat/Cool
Heat Pump
Fahrenheit
Celsius
Heat and Cool
Heat Only
Cool Only
One
Two
Three (only available in Heat/Cool)
One
Two
Three (only available in Heat/Cool)
Gas/Oil Heat (equipment controls fan)
Electric Heat (thermostat controls fan)
Disable
Enable (90 second extension)
Disable
Enable (90 second extension)
0° (no offset applied)
-4°F to +4°F (-2°C to +2°C)
0 (no offset applied)
-5% to +5%
Disable
Enable
3°F (1.5°C)
2°F to 9°F (1°C to 4 .5°C)
Not installed
Control no backup
Control with built-in backup
Average with thermostat built-in sensor
Not installed
Installed
No
Yes
5 minutes
1 to 5 minutes
2 minutes
1 to 5 minutes
2 minutes
1 to 5 minutes
SETUP & TESTING
HVAC INSTALLER SYSTEM SETTINGS TABLE
System setting Description
21 . Auto Changeover Time Minimum time between heating and cooling
calls .
22 . First Stage Differential First stage differential .
23 . Second Stage Differential Second stage differential .
24 . Third Stage Differential Third stage differential .
25 . Fourth Stage Differential Fourth stage differential .
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 .
27 . Heat Blast Enables the Heat Blast feature .
28 . Blast Offset Amount of heating when Heat Blast is initiated .
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) .
38 . Progressive Recovery Enable or disable progressive recovery .
39 . Low Balance Point Outdoor temperature low balance point .
Note: This option is only available if the outdoor
sensor is enabled .
40 . High Balance Point Outdoor temperature high balance point .
Note: This option is only available if the outdoor
sensor is enabled .
41 . Program Format Enables the 7 day program .
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 .
43 . HVAC Service Reminder The period for displaying the "HVAC Service
Reminder" message .
44 . Constant Backlight Enable constant, low intensity backlight when
24VAC is present .
45 . Backlight Intensity Set the active backlight intensity .
Note: The minimum setting is 40% when
Constant Backlight is enabled .
(CONTINUED)
Factory default setting (bold)
and setting range
4 minutes
1 to 5 minutes
1°F (0.5°C)
1°F to 9°F (0 .5°C to 4 .5°C)
1°F (0.5°C)
1°F to 9°F (0 .5°C to 4 .5°C)
1°F (0.5°C)
1°F to 9°F (0 .5°C to 4 .5°C)
1°F (0.5°C)
1°F to 9°F (0 .5°C to 4 .5°C)
Disable
Enable
Disable
Enable
3°F (1.5°C)
3°F to 5°F (1 .5°C to 2 .5°C)
2
1 to 5 or "OFF" to ignore accumulated
run time .
Disable
Enable
20°F or -8°C
0°F to 60°F (-18°C to 12°C) or OFF to
ignore LBP
65°F or 14.5°C
0°F to 80°F (-18°C to 22°C) or OFF to
ignore HBP
7-Day
Non-Prog
No
Yes
Off
1 to 12 months or "Off" to disable
Disable
Enable
100 Percent
0 to 100 Percent
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