Haier 1U12LC2VHA Installation Manual page 32

Initialization
1
3
This cycle keeps repeating until initialization is complete.
The green ON/OFF LED will also flash continuously until
initialization is complete.
If the wired controller is unable to communicate with the
indoor unit PCB after powering on, initialization will terminate
in 4 minutes. The communication malfunction can be checked
using the malfunction inquiry function. (See Malfunction
Display)
Mode Setting
NOTE: This function requires the ON/OFF key LED to be
turned OFF and the screen backlight to be illuminated.
Press and hold the MODE key for 5 seconds, the number of
the mode currently being used will display in the upper left
corner of the screen. (Default is 0) Press the pq keys to
change to one the different modes available: 0, 1, 2, or 3.
Press SET to confirm the setting.
NOTE: Corresponding modes
0 – [Intelligent] [Cooling] [Heating] [Fan] [Dry]
1 – [Cooling] [Heating] [Fan] [Dry]
2 – [Cooling] [Fan] [Dry]
3 – [Cooling] [Heating] [Fan] [Dry] (same as 1)
Error Code Display
Note: This function requires the ON/OFF key LED to be
turned OFF and the screen backlight to be illuminated.
Press and hold the TIME key for 10 seconds. The unit number
will display in the upper left corner of the screen. The error
code/historical error code will display in the upper right corner
of the screen. Press pq keys to select the unit number to
view its error codes. Under Error Code display screen, press
and hold the TIME key for 5 seconds to clear the fault codes of
all the units.
Press the MODE, FAN, TIME, SET, or ON/OFF key to exit the
function. If no key is pressed in 10 seconds, the function
will also exit. If there are no current errors or historical error
codes, "--" will be displayed.
PAGE 32
WIRED CONTROLLER OPERATION
Settings & Functions
The wired controller will
momentarily display
all display icons upon
2
powering up or when
resetting the system.
During the initialization
process, the controller
will display, in a
repeating order:
88:88 (upper left
corner), 88:88 (upper
right corner) 88.8
(main temperature).
INSTALLATION
Switching between Fahrenheit & Celsius
To switch from Celsius to Fahrenheit, select the mode you
wish to operate (COOL, HEAT, DRY, INTELLIGENT/AUTO).
Press and hold the p key to reach 30 °C then continue holding
the p key for 15 seconds until the display reads 86 °F. Use the
pq keys to adjust to desired temperature.
To switch from Fahrenheit to Celsius, select the mode you
wish to operate (COOL, HEAT, DRY, INTELLIGENT/AUTO).
Press and hold the q key to reach 60 °F then continue holding
the q key for 15 seconds until the display reads 16 °C. Use the
pq keys to adjust to desired temperature.
Clock Function
1. The clock is displayed in 24 Hour time
A. It cannot be set for AM/PM.
B. The clock function cannot be set when SLEEP
function or a timer function is currently set.
When the system is first powered up, after initialization, the
clock will default to 12:00. Within 10 seconds of the clock be-
ing displayed, the time can be set. The clock icon and minutes
portion of the time display will be flashing. Press the pq keys
to adjust the minutes. (Pressing and holding the pq keys will
accelerate the time adjustment.) With the minutes set, press
the TIME key. The clock icon and hours portion of the time
display will now begin flashing. Press the pq keys to adjust
the hours. Press the SET key to confirm the setting.
To set the clock after initial power up or reset time has ex-
pired, press and hold the TIME key for 5 seconds. The clock
icon and minutes portion of the time display will begin flash-
ing. Press the pq keys to adjust the minutes. With the min-
utes set, press the TIME key. The clock icon and hours portion
of the time display will now begin flashing. Press the pq keys
to adjust the hours. Press the SET key to confirm the setting.
If neither pq key is pressed within 10 seconds, or if the
MODE, FAN, or ON/OFF keys are pressed prior to pressing the
SET key, the setting function is canceled and the time reverts
back to the previous setting.
Screen Saving
With the system turned off, tap the TIME key to activate the
screen backlight (if not already lit).
1. Press and hold the TIME and q keys for 5 seconds to set the
backlight "on" time. The set time will be displayed in the upper
right corner of the screen.
2. Press the pq keys to adjust the time. Set times available
are: 0 seconds (backlight always on), 15 seconds, 30 seconds,
and 60 seconds. Initial default time is 15 seconds.
3. With time selection made, press the SET key to confirm the
setting.
If neither pq key is pressed within 10 seconds, or if the
MODE, FAN, or ON/OFF keys are pressed prior to pressing the
SET key, the setting function is canceled and reverts back to
the previous setting.