The following options are usually set by the installer. Changing
these options could cause your fan not to operate correctly.
NUMBER OF FAN SPEEDS
The number of fan speeds selected is dependent on the
type of fan installed - 1-Speed, 2-Speed or 3-Speed fan.
Factory set to a 2-speed fan.
H
SPEED
HIGH SPEED START
For some installations, a low speed start may not be
adequate to fully open the damper doors. When this
option is set to ON and starting the fan in low speed, the
fan will start in high speed to open the damper doors
and after about 10 seconds will return to the low speed
setting. Default is Off.
OFF
Access Options- Press and hold the
MODE key to display the options.
Press the MODE key until Speed is
displayed.
Press the or key to
change the number of speeds. The
change is saved when the backlight
turns off.
Access Options- Press and hold the
MODE key to display the options.
Press the MODE key until HSS is
displayed.
Press the key to turn the
option on or the key to turn
the option off. The change is saved
when the backlight turns off.
L
OPTIONS
OUTDOOR TEMPERATURE LIMIT
SAFETY TIMER HOURS
The built in safety timer runs in the background in
Temperature Mode and automatically turns the fan off after
8 hours in case you forget. Default is 8 hours. Adjustable
from 1 to 12 hours. The Safety Timer can be turned Off
although not recommended.
Only displayed if the optional TS3J Outdoor Temperature
Sensor is installed (see page 4 for more information on
the TS3J sensor). Fan operation will be delayed in both
Timer and Temperature Mode until the outdoor
temperature drops below the limit set. Default limit is
o
o
o
80 . Adjustable from 60 to 99 . LIMIT will be displayed
when operation is inhibited because the outdoor
temperature limit is too high.
Outdoor
Limit
STimer
Access Options- Press and hold the
MODE key to display the options.
Press the or key to
change the outdoor temperature
limit. The change is saved when
the backlight turns off.
Access Options- Press and hold the
MODE key to display the options.
If STimer is not displayed, press the
MODE key until STimer is displayed.
Press and hold the or key
to adjust the safety timer hours. The
change is saved when the backlight
turns off.
HOMEOWNER SECTION
page 4 of 8
P/N 780104502 2/20 Rev B
