Operation; (Em Heat/Heat/Off/Cool/Auto); Change Temperature Set Point; Select Fan Setting (On/Auto/Circ) - Aprilaire 8620 Owner's Manual

OpERATION

SElECT SySTEM MODE
(EM HEAT/HEAT/OFF/COOL /AUTO)
press [MODE] to select:
EM HEAT: (only for heat pumps with auxiliary heat)
Thermostat controls auxiliary heat . Heat pump will not operate
in EM HEAT mode .
HEAT: Thermostat controls only the heating system .
Off: Heating and cooling systems are off .
COOl: Thermostat controls only the cooling system .
AUTO: (if enabled in installer setup) Thermostat automatically
selects heating or cooling depending on the indoor
temperature .
press [DONE] to save and exit, Or [CANCEl] to exit without
saving . The thermostat will save and exit if nothing is pressed
within 10 seconds .
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CHANGE TEMpERATURE SET pOINT

press
or to adjust the current set point.
(see Program schedule Holds on pages 27-30 for
more information .)
OpERATION
SElECT fAN SETTING
(ON/AUTO/CIRC)
When the fan mode is changed during a program event
it remains in that mode until the next event starts . The
fan must be programmed to fAn on in the schedule to
run continuously through all events .
press [fAN] to select:
ON: Fan runs continuously . Use this mode for maximum
air circulation/filtering .
AUTO: Fan runs only when the heating or cooling
system is on .
CIRC: same as AUTo, but ensures the fan is on for at
least 30 minutes per hour. Use this mode for a balance
of energy savings and air circulation/cleaning .
press [DONE] to save and exit, Or [CANCEl] to exit
without saving . The thermostat will save and exit if
nothing is pressed within 10 seconds .

ClEAN SCREEN

press [MENU] to enter the main menu .
press [ClEAN SCREEN] to disable the touch screen
for 30 seconds for cleaning .
Note: Use a soft damp cloth to clean the screen . Use
water or household glass cleaner. Do not spray liquids
directly on the screen .
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