Ventilation System Settings Table - Aprilaire 8820 Safety & Installation Instructions

SETUP & TESTING

Ventilation System Settings Table

Note: Ventilation can only be installed if humidification is not installed and Dehumidifier Control is not set to Whole
Home or AC w/IAQ Output .
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 Setup Type Selects if ventilation is configured through the
Code setup or Comfort . Comfort setup has more
lockout options . Code setting ensures missed
lockout time is made up .
Number of Bedrooms Selects the number of bedrooms to be used for
the Calculated Minutes per Hour .
Home Size Selects the size of the home to be used for the
Calculated Minutes per Hour .
Measured CFM Selects the ventilation CFM to be used for the
Calculated Minutes per Hour .
Calculated Minutes per Hour Displays the Fresh Air Time calculated .
Override Manual adjustment of Calculated Minutes per
Hour .
Enable High Vent RH Limit Selects if ventilation is disabled if the indoor RH
exceeds the indoor RH limit . (Only available if
Fresh Air Setup is set to Comfort .)
High Vent RH Limit Sets the ventilation indoor RH lockout limit .
(Only available if Enable High Vent RH Limit is
set to Yes .)
Enable Low Vent RH Limit Selects if ventilation is disabled if the indoor RH
exceeds the indoor RH limit . (Only available if
Fresh Air Setup is set to Comfort .)
Low Vent RH Limit Sets the ventilation indoor RH lockout limit .
(Only available if Enable Low Vent RH Limit is
set to Yes .)
Enable High Vent Temperature Limit Enables high ventilation temperature lockout
limit . (Only available if Outdoor Sensor is set to
Installed or Automation .)
High Vent Temperature Limit Sets high ventilation temperature lockout limit .
(Only available if Enable High Vent Temperature
Limit is set to Yes .)
Enable Low Vent Temperature Limit Enables low ventilation temperature lockout
limit . (Only available if Outdoor Sensor is set to
Installed or Automation .)
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Factory default setting (bold)
and setting range
No
Yes
Comfort
Code
3 Bedrooms
1 to 10 Bedrooms
2500 SQ FT
500 to 7500 SQ FT
110 CFM
30 to 250 CFM
None
Range 6 to 60 Minutes
(Calculated Minutes per Hour)
Range 6 to 60 Minutes
Yes
No
55%
45% to 70%
No
Yes
20%
10% to 30%
No
Yes
100°F (38°C)
85°F to 105°F (29°C to 41°C)
No
Yes
SETUP & TESTING
System setting Description
Low Vent Temperature Limit Sets low ventilation temperature lockout limit .
(Only available if Enable Low Vent Temperature
Limit is set to Yes .)
HVAC Fan with Vent Selects if ventilation forces the fan on . (Yes with
high and low limits is only available if Outdoor
Sensor is set to Installed or Automation .)
Enable High Mixing Temperature Enables high mixing temperature . (Only available
is HVAC Fan with Vent is set to Yes with high
and low limits .)
High Mixing Temperature Sets the high mixing temperature . (Only
available if Enable High Mixing Temperature is
set to Yes .)
Enable Low Mixing Temperature Enables low mixing temperature . (Only available
is HVAC Fan with Vent is set to Yes with high
and low limits .)
Low Mixing Temperature Sets the Low mixing temperature . (Only available
if Enable Low Mixing Temperature is set to Yes .)
Fresh Air Service Reminder The period for displaying the "SERVICE FRESH
AIR" message .
Note: Refer to manuals for humidifier, dehumidifier, air cleaner, and ventilation products for recommended installation
and operation .
Factory default setting (bold)
and setting range
10°F (-12°C)
-10°F to 40°F (-24°C to 6°C)
Yes
Yes with high and low limits
No
No
Yes
80°F or (26°C)
60°F to 105°F (14°C to 41°C)
No
Yes
40°F (6°C)
0°F to 50°F (-18°C to 12°C)
OFF
1 to 12 months or "OFF" to disable
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