DIM Function
There are three separate display brightness levels, AUTO, 20% and full (100%). To change the DIM setting, press the Power button for three seconds.
FRR192
The 1 indicates a DIM setting of Auto (factory default on new units). Use
the 
or 
buttons to change the setting.
FRR193
The 2 indicates a DIM setting of 20%. Press the TIMER SET button within 15 seconds to save the setting. Button inactivity for more than 15 seconds causes the display to time out and return to the normal operating display.
FRR194
The 3 indicates a DIM setting of 100% (full brightness). Press the TIMER SET (Refer to Figure 8) button within 15 seconds to save the setting. Button inactivity for more than 15 seconds causes the display to time out and return to the normal operating display.
Alerts
When the ¿lter needs to be cleaned or replaced, the CHECKFILTER icon displays.
F
AUTO FAN
SET POINT
CHECK
FILTER
|
|
| FRR118 |
The alert can be dismissed by pressing the |
| ||
MODE and | SCHEDULE | for 3 seconds. | |
| FAN | TIMER |
|
Wait Icon
F
AUTO FAN
SET POINT
FRR120
The wait icon 
illuminates when the compressor lockout is active.
Control Panel Lock
To lock the front panel controls, press and hold the SPEED + | SCHEDULE buttons | |
| FAN | TIMER |
for 3 seconds. The lock icon | illuminates to indicate the locked status. | |
During lockout, none of the control panel buttons will operate.
F
AUTO FAN
SET POINT
To unlock, press and hold the SPEED + | FRR116 |
SCHEDULE buttons simultaneously for 3 | |
FAN | TIMER |
seconds. |
|
External Control Status
The $MART icon illuminates to indicate that the system is being controlled
remotely, such as from a smart grid from a power company (for more information, see page 12).
SMART
F
AUTO FAN
SET POINT
$MART
FRR125
WiFi Connection
F
AUTO FAN
SET POINT
FRR126
The 
icon illuminates to indicate that the system is receiving a
13