Air Cleaning System Settings - Aprilaire 8840 Safety & Installation Instructions

TABLE 4 – DEHUMIDIFIER SYSTEM SETTINGS
System setting Description
Selects if a dehumidifier is installed. (If set
Dehumidifier Type
to None, no other dehumidifier settings will
Installed?
be available)
NOTE: Only available if Dehumidifier
Display Button?
Installed is set to None
Disable
Selects if a dehumidifier is disabled during
Dehumidification
a cooling call
During Cooling?
Dehumidifier Forces Selects if dehumidification can turn on
Fan? the fan
Selects the amount of overcooling that
Dehumidifier can occur for dehumidification. (Only
Overcooling Limit available if Dehumidifier Type is set to Air
Conditioner)
The period for displaying the
Dehumidifier
Dehumidification Service Reminder
Reminder
message
Number of Months for Select number of months for displaying
Recurrence reminder
Dehumidify in Selects if dehumidification with the air
Vacation Hold? conditioner is done in vacation mode
Sets the lowest temperature the air
conditioner will cool to, to meet RH
Vacation Hold Low
setpoint in Vacation Mode (Only
Temperature Limit
available if Dehumidifier Type is set to Air
Conditioner)
Select the minimum difference between
the humidifier and dehumidifier setpoints.
Humidity Deadband
(Only available if both a humidifier and
dehumidifier are installed.)
TABLE 5 – AIR CLEANING SYSTEM SETTINGS
System setting Description
Selects if an air cleaner is installed (If set
Air Cleaner Installed? to No, no other air cleaner settings will be
available)
NOTE: Only available if Air Cleaning
Display Button?
Installed is set to No
The period for displaying the Change Air
Air Cleaner Reminder
Filter message
Number of Months for Select number of months for displaying
Recurrence reminder
16
Factory default setting
(bold) and setting range
None
Whole Home
Air Conditioner
Yes
No
Yes
No
Yes
No
1°F (05°C)
2°F (1°C)
3°F (1.5°C)
Disabled
Enabled
12 Months
1 to 12 Months
No
Yes
75°F (24°C)
70 to 85°F (21 to 295°C)
10%
10 to 20%
Factory default setting
(bold) and setting range
No
Yes
Yes
No
Disabled
Enabled
12 Months
1 to 12 Months
TABLE 6 – FRESH AIR SYSTEM SETTINGS
System setting Description
Selects if ventilation is installed (If set to
Fresh Air Vent
No, no other ventilation settings will be
Installed
available)
NOTE: only available if Fresh Air Installed
Display Button?
is set to No
Selects if ventilation is configured
through the Code setup or Comfort
Fresh Air Setup
Comfort setup has more lockout options
Type
Code setting ensures missed lockout
time is made up
Number of Selects the number of bedrooms to be
Bedrooms used for the Calculated Minutes per Hour
Selects the size of the home to be used
Home Size
for the Calculated Minutes per Hour
Selects the ventilation CFM to be used for
Measured CFM
the Calculated Minutes per Hour
Calculated
Displays the Fresh Air Time calculated
Minutes per Hour
Manual adjustment of Calculated
Override
Minutes per Hour
Outdoor
Select if outdoor sensor is attached or
Temperature
not
Sensor Installed?
Selects if ventilation is disabled if the
Enable High Vent indoor RH exceeds the indoor RH limit
RH Limit (Only available if Fresh Air Setup is set to
Comfort)
Sets the ventilation indoor RH lockout
High Vent RH Limit limit (Only available if Enable High Vent
RH Limit is set to Yes)
Selects if ventilation is disabled if the
Enable Low Vent indoor RH exceeds the indoor RH limit
RH Limit (Only available if Fresh Air Setup is set to
Comfort)
Sets the ventilation indoor RH lockout
Low Vent RH Limit limit (Only available if Enable Low Vent
RH Limit is set to Yes)
Enable High Vent Enables high ventilation temperature
Temperature lockout limit (Only available if Outdoor
Limit Sensor is set to Installed or Automation)
High Vent Sets high ventilation temperature lockout
limit (Only available if Enable High Vent
Temperature
Limit Temperature Limit is set to Yes)
Enable Low Vent Enables low ventilation temperature
lockout limit (Only available if Outdoor
Temperature
Limit Sensor is set to Installed or Automation)
Factory default setting (bold)
and setting range
No
Yes
Yes
No
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
No
Yes
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
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