Indoor Air Quality System Settings Tables; Air Cleaning System Settings Table; Humidifier System Settings Table; Dehumidifier System Settings Table - Aprilaire Home Comfort Control 8910W Safety & Installation Instructions

seTup & TesTInG

InDooR aIR QualITy sysTeM seTTInGs Tables

The following tables contain the Indoor Air Quality system settings and their details . Default settings are shown in
bold . Some settings are only present dependent upon the value of other settings .
The use of an outdoor temperature sensor (recommended) enables additional Indoor Air Quality functionality . If the
outdoor temperature sensor was not enabled in the HVAC system settings, HVAC system setting 15, Outdoor Sensor,
will be presented prior to entering the Indoor Air Quality system settings .
Please refer to the Model 8910W Owner's Manual for further information about Home Comfort Control features .

air Cleaning system settings Table

system setting Description
Air Cleaner Installed Selects if an air cleaner is installed. (If set to No, no other
air cleaning settings will be available .)
Change Air Filter Reminder The period for displaying the "Change Air Filter" message.

Humidifier system settings Table

system setting Description
Humidifier Installed Selects if a humidifier is installed. (If set to No, no other
humidifier settings will be available .)
Humidity Setpoint Select the minimum difference between the humidifier and
Deadband dehumidifier setpoints . (Only available if both a humidifier
and dehumidifier are installed . Available in both set-ups .)
Humidifier Mode Selects auto or manual mode . Auto mode controls humidity
based on the humidity setting and outdoor temperature .
Manual mode controls humidity based on the %RH setpoint .
(Auto mode is only available if Outdoor Sensor is set to Yes.)
Humidifier Operation Selects when humidification is allowed to occur relative to
heating and fan operation .
Change Water Panel Selects the when the "Change Water Panel" message is
Reminder displayed .
Reminder Month (Change Change Water Panel Reminder set to 1 Per Season:
Water Panel Reminder set Determines the month the "Change Water Panel" message
to 1 Per Season) is displayed .
First Reminder Month Change Water Panel Reminder set to 2 Per Season:
(Change Water Panel Determines the first month the "Change Water Panel"
Reminder set to 2 Per message is displayed .
Season)
Second Reminder Start Determines the second month the "Change Water Panel"
Month message is displayed . (Only available when Change Water
Panel Reminder set to 2 Per Season .)
14
Factory default setting (bold)
and setting range
no
Yes
off
1 to 12 months or "Off" to disable
Factory default setting (bold)
and setting range
no
Yes
10 percent RH
10 to 20 Percent RH
auto
Manual
Heat only
Heat or Fan
Forces Fan
off
1 Per Season
2 Per Season
300 Hours
600 Hours
october
November
December
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
seTup & TesTInG

Dehumidifier system settings Table

system setting Description
Dehumidifier Control Selects method of dehumidification. (If set to None, no
other dehumidifier settings will be available .)
Humidity Setpoint Deadband Select the minimum difference between the humidifier
and dehumidifier setpoints . (Only available if both a
humidifier and dehumidifier are installed . Available in
both set-ups .)
Lockout Dehumidifier During Selects if dehumidification is disabled during a cooling
Cooling call .
Dehumidifier Forces Fan Select if dehumidification can turn on the fan .
Dehumidifier Service The period for displaying the "Dehum Service
Reminder Reminder" message.
Dehumidifier Overcooling Selects the amount of overcooling that can occur
Limit for dehumidification . (Only available if Dehumidifier
Control is set to Air Conditioner .)
Dehumidify in Vacation Selects if dehumidification with the air conditioner is
Mode done in Vacation Mode . (Only available if Dehumidifier
Control is set to Air Conditioner .)
Vacation Dehumidifier Low Sets the lowest temperature the air conditioner
Temp Limit will cool to, to meet RH setpoint in Vacation Mode.
(Only available if Dehumidifier Control is set to Air
Conditioner .)
note: Refer to manuals for humidifier, dehumidifier, air cleaner, and ventilation products for recommended
installation and operation .

Ventilation system settings Table

system setting Description
Fresh Air Vent Installed Selects if ventilation is installed .
(If set to No, no other ventilation settings will be available.)
Fresh Air Forces Fan Selects if ventilation forces the fan on .
Fresh Air Setup Selects if ventilation is configured through the ASHRAE setup
or Timed. If ASHRAE setup is selected, the hourly ventilation
time will be calculated using the ASHRAE recommendations .
If Timed set-up is selected, the hourly ventilation time will be
determined based on the Fresh Air Time value .
Fresh Air Time Selects how many minutes per hour that ventilation will be
active . (Only available if Fresh Air Setup is set to Timed .)
High Limit Outdoor Selects if ventilation is disabled if the outdoor temperature
Temp exceeds the outdoor high limit. (Only available if Fresh Air Setup
is set to Timed and an outdoor temperature sensor is installed .)
Outdoor High Limit Sets the high temperature limit for ventilation . (Only available if
High Limit Outdoor Temp is set to Yes.)
Low Limit Outdoor Temp Selects if ventilation is disabled if the outdoor temperature
exceeds the outdoor low limit. (Only available if Fresh Air Setup
is set to Timed and an outdoor temperature sensor is installed .)
Outdoor Low Limit Sets the low temperature limit for ventilation . (Only available if
Low Limit Outdoor Temp is set to Yes.)
High Limit Indoor RH Selects if ventilation is disabled if the indoor RH exceeds the
indoor RH limit . (Only available if Fresh Air Setup is set to Timed .)
Indoor RH Limit Sets the high indoor RH limit for ventilation . (Only available if
High Limit Indoor RH is set to Yes.)
Factory default setting (bold)
and setting range
none (no dehumidification installed)
Whole Home
Air Conditioner
10 percent RH
10 to 20 Percent RH
No
yes
No
yes
off
1 to 12 months or "Off" to disable
3°F (1.5°C)
1°F to 3°F (0 .5°C to 1 .5°C)
no
Yes
75°F (23.5°C)
70°F to 85°F (21°C to 28 .5°C)
Factory default setting (bold)
and setting range
no
Yes
No
yes
Timed
ASHRAE
30 MIn/HR
0 to 60 MIN/HR
no
Yes
100°F (38°C)
90°F to 100°F (32°C to 38°C)
no
Yes
10°F (-12°C)
-10°F to 30°F (-24°C to 0°C)
no
Yes
60%
50% to 70%
15