Natural Ventilation Control
Phason
18
2014-04-10
Restoring the factory default settings
Setting
Default
Range/options
Set point
70.0
-13 to 125°F (-25 to 51.7°C)
Open ON duration
20
1 to 900 seconds
Open OFF duration
180
1 to 900 seconds
Close ON duration
30
1 to 900 seconds
Close OFF duration
120
1 to 900 seconds
Idle band
2.0
1.0 to 10.0°F (0.6 to 5.5°C)
Heat set point
75.0
-13 to 125°F (-25 to 51.7°C)
Low alarm
50.0
-13°F (-25°C) to High alarm
High alarm
95.0
Low alarm to 125°F (51.7°C)
Hysteresis
2.0
0.5 to 5°F (0.3 to 2.8°C)
Units °F
°F/°C
Sensor Off
Off/On
You can restore the default settings using one of two methods: the
power on
method or the
power
off
method. The
power on
method is the easiest way to restore the factory defaults. If, for some
reason, the power on method does not work, use the
power off
method.
To restore the factory defaults using the POWER ON method
1.
Press
Up
or
Down
until the display shows
t e s t
.
2.
Press
Select
.
The display shows
t e n p
.
3.
Press
Up
or
Down
until the display shows
f a C t
.
4.
Press
Select
.
The
Test
LED flashes and the display shows
n o
.
5.
Press
Up
or
Down
to until the display shows
y e s
.
6.
Press
Select
to restore the factory defaults.
The control resets, displays the version for a few seconds, and then displays the temperature.
To restore the factory defaults using the POWER OFF method
We recommend having someone assist you if using the power off method.
1.
Switch off the power to the control.
2.
Switch on the power to the control while holding the
Up
and
Down
buttons. Keep holding the
buttons until
› œ f
displays.
3.
Release the buttons.
The control resets, displays the version for a few seconds, and then displays the temperature.
