Set Up Menu - Aprilaire 8120X Installation And Operation Manual

SET UP MENU

Before setting up the control for use, the amount of ventilation air being delivered (CFM) by
the installed ventilation system must be measured.
1 2
Hold for 5 seconds,
then release .
Throughout the Set Up Menu, the and
is used enter the value and move on to the next Set Up Menu item .
NOTICE
buttons are used to change values, the Select button
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Menu Item Values
HP
HP or HC
HC
CODE # BEDROOMS HIGH
1 – 10
2
COMFORT HOUSE (FT ) LOW
500 – 7500 ft2
30 – 250 CFM
MEAS REQ'D CONT CFM FAN
CODE NO.OF BEDROOMS HIGH
HP °F
OFF, 85°F – 105°F
COMFORT HOUSE (FT 2 ) LOW
HP °F
OFF, -10°F – 40°F
On, "bLnd", OFF
MEAS REQ'D CONT CFM FAN
CODE # BEDROOMS HIGH
OFF, 60°F to 5°F
HP °F
less than Vent .
High Temp . Limit
MEAS REQ'D CONT CFM FAN
Description
HP if wiring to a heat pump .
HC if wiring to furnace and AC .
Number of bedrooms – used to calculate required
continuous ventilation rate .
Square footage – used to calculate required continuous
ventilation rate .
Measured outdoor airflow delivered during ventilation .
Ventilation high temperature limit. Ventilation is limited
when the outdoor temperature exceeds the setting . Turn
OFF if no high limit is desired .
Ventilation low temperature limit. Ventilation is limited
when the outdoor temperature falls below the setting .
Turn OFF if no low limit is desired .
ON HVAC fan turns on whenever ventilation occurs .
bLnd (blend) HVAC fan turns on with ventilation only
when the outdoor temperature is outside a set range .
OFF HVAC fan is not turned on with ventilation .
Only available when bLnd is selected . When the outdoor
temperature is above the setting, the HVAC fan will be
turned on to mix (blend) outdoor air with indoor air for
tempering .
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