20
Item Range
Default
Value
Access
Level
Description
Defrost Temp
20°F–35°F
(-6.5°C–1.5°C)
24°F
(-4°C)
Installer/
Service
Sub-
menu
This is the temperature measured on the coil
when the control goes into Defrost mode.
Defrost
Deadband
5°F–20°F
(3°C–11°C)
10°F
(5.5°C)
Installer/
Service
Sub-
menu
Defrost terminates when the coil temperature
is greater than the Defrost Temperature +
Defrost Deadband.
Outside Lockout
O,
30°F–50°F
(-1°C–10°C)
O
Installer/
Service
Sub-
menu
The installer can program the control to
Lock out operation of the unit if a specic
outside temperature is measured. O allows
operation at any ambient temperature.
Set Model Type
HEAT ONLY,
POWER DEFROST,
HEAT/COOL
HEAT
ONLY
Installer/
Service
Sub-
menu
Set at the factory. Will need to be set by
Installer during any replacement of the control
board.
EXV
Disabled, Type 1,
Type 2
Installer/
Service
Sub-
menu
Set at the factory on new units. Select
“Disabled” if unit equipped with TXV for board
replacement. EXV Type 1 is 500 step EXV.
EXV Type 2 is 1600 step EXV.
Change EXV to Yes/No
Installer/
Service
Sub-
menu
This screen asks if you really want to change
the EXV setting – the UP or DOWN button
must be pressed to show YES before the
EXV type will be changed.
Brownout
Detection On
On/O On
Installer/
Service
Sub-
menu
This function will shut down operation of the
unit if the 24VAC signal drops below 18VAC
to protect the unit from Low Voltage. This
feature can be turned o as desired.
Set Factory
Defaults
Installer/
Service
Sub-
menu
Press and hold both the UP and DOWN
buttons for 3+ seconds to reset the factory
defaults in the control. When reset, the
screen will display “Defaults Set”.
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