INSTALLATION AND OWNER GUIDE FOR 40355, 40455 AND VT9W WALL CONTROLS
FUNCTIONS
THE TURBO ICON IS FLASHING DURING THE 4-HOUR CYCLE. TO
EXIT THIS FUNCTION BEFORE THE END OF ITS 4-HOUR CYCLE, PRESS
ON TURBO OR MODE KEY; THE UNIT WILL GET BACK TO ITS
PREVIOUS OPERATION MODE.
TURBO
TURBO FUNCTION
TURBO
PRESS THE TURBO FUNCTION KEY TO TURN THE UNIT ON AIR
EXCHANGE IN HIGH SPEED DURING 4 HOURS, THEN, THE UNIT WILL
GET BACK TO ITS PREVIOUS OPERATION MODE.
3 sec.
THE TURBO ICON APPEARS AND STAY CONTINUOUSLY. TO EXIT
THIS TURBO MODE, PRESS ON TURBO OR MODE KEY; THE
UNIT WILL GET BACK TO ITS PREVIOUS OPERATION MODE.
P
RESS AND HOLD THE TURBO FUNCTION KEY DURING 3 SECONDS
TO TURN THE UNIT ON AIR EXCHANGE IN HIGH SPEED CONTINUOUSLY.
DEHUMIDISTAT FUNCTION
CONT
THE DEHUMIDISTAT FUNCTION HAS BEEN CREATED TO MANAGE THE
INDOOR RELATIVE HUMIDITY EXCESS. WHEN THE ACTUAL HOME
RELATIVE HUMIDITY PERCENTAGE (RH %) DETECTED IS OVER
THE SET VALUE, DROPS APPEARS ON SCREEN AND THE CONTROL
OVERRIDES THE CURRENT MODE, TURNING ON THE UNIT ON HIGH
SPEED EXHANGE UNTIL THE INDOOR RELATIVE HUMDITY % SET IS
REACHED. THE UNIT THEN RETURNS TO ITS PREVIOUS OPERATION
SETTING. REFER BELOW TO FIND OUT HOW TO SET THE INDOOR
RELATIVE HUMIDITY %.
TURBO
TURBO
IN ALL MODES EXCEPT
STANDBY AND SMART,
PRESS THE % HUM KEY TO
ENABLE THE DEHUMIDISTAT
FUNCTION.
% HUM
CONT
THE ACTUAL
HOME RH %
LEVEL APPEARS
ON SCREEN
(ENABLED).
HOW TO ENABLE AND DISABLE THE DEHUMIDISTAT FUNCTION:
CONT
PRESS ONCE MORE
ON THE % HUM KEY
TO DISABLE THE
DEHUMIDISTAT
FUNCTION.
T
HE ACTUAL
HOME RH% LEVEL
DISAPPEARS FROM
SCREEN (DISABLED).
% HUM
PRESS AND HOLD
THE % HUM KEY
FOR 3 SECONDS.
3 sec.
THE ACTUAL
RH% LEVEL
APPEARS ON
SCREEN. DEFAULT
VALUE: 44%
PRESS THE % HUM KEY
TO CHANGE THE VALUE.
L
OWER VALUE: 30%.
H
IGHER VALUE: 56%.
THE VALUE CHANGES
BY 2% INCREMENTS.
TO EXIT THIS SETING
MENU, PRESS AND HOLD
THE % HUM KEY FOR
3 SECONDS OR
WAIT 10 SECONDS.
HOW TO SET THE INDOOR RELATIVE HUMIDITY (RH %) LEVEL
% HUM
SETTINGS
SETTINGS (CONT’D)
H
OW TO SET THE UNIT OPERATION IN THE REMAINING 40 MINUTES ON
20 MIN/H MODE AND HOW TO SET THE UNIT DEFROST CYCLE TYPE
PRESS AND HOLD THE MODE KEY
FOR 3 SECONDS.
MODE
3 sec.
THE SMALL TRIANGLE
AND TWO LINES FLASH TO
SHOW STANDBY (DEFAULT
CONFIGURATION SETTING).
T
HE LCD SCREEN WILL SHOW ONE OF THESE CONFIGURATIONS:
OR
CONT
RECIRCULATION ARROWS
TURN WHILE THE SMALL
TRIANGLE, rE AND CONT
LABEL FLASH TO SHOW
RECIRCULATION
ON
LOW SPEED.
OR
TURBO
RECIRCULATION ARROWS
TURN WHILE THE SMALL
TRIANGLE, rE AND
TURBO LABEL FLASH TO
SHOW RECIRCULATION
ON HIGH SPEED.
MODE
TURBO
OR
USE MODE OR TURBO KEY TO
SEE ALL 3 CONFIGURATIONS.
% HUM
PRESS % HUM KEY FO ACCEPT
CHOSEN CONFIGURATION AND GO
TO SETTING DEFROST CYCLE TYPE.
THE LCD SCREEN WILL SHOW ONE OF THESE DEFROST CYCLE TYPES:
Sd (STANDARD)
APPEARS OVER SNOWFLAKE
ICON (DEFAULT CYCLE
SETTING). WHEN NEEDED,
THE UNIT WILL PERFORM
DEFROST CYCLE ON HIGH
SPEED.
NOTE: THIS IS THE DEFROST
TYPE
USED FOR THE DATA
PUBLISHED BY HVI AND
ENERGY STAR®.
OR
PL (PLUS) APPEARS OVER
SNOWFLAKE ICON. USE
THIS CYCLE IN COLD REGION
(OUTDOOR TEMPERATURE
-27°C [-17°F] AND
LOWER). WHEN NEEDED,
THE UNIT WILL PERFORM
DEFROST CYCLE ON HIGH
SPEED ON A LONGER
PERIOD OF TIME.
OR
dI (DISCRETION) APPEARS
OVER SNOWFLAKE ICON.
WHEN NEEDED, THE
DEFROST CYCLE WILL BE
PERFORMED ON THE SAME
SPEED THAN THE UNIT
VENTILATION SPEED. (E.G.:
IF THE UNIT IS SET ON
TURBO, THE DEFROST
CYCLE WILL BE DONE ON
HIGH SPEED, AND IF THE
UNIT IS SET ON CONT, THE
DEFROST CYCLE WILL BE
DONE ON LOW SPEED.
LCD SCREEN ALTERNATES BETWEEN THE
HOUSE WITH CIRCLED ARROWS AND THE HOUSE
WITHOUT ARROW. THE NUMBERS UNDER THE
HOUSE ARE THE SOFTWARE VERSION NUMBER.
PRESS % HUM KEY OR
WAIT 10 SECONDS TO EXIT
USER SETTING MENU.
MODE
TURBO
OR
USE MODE OR TURBO KEY TO
SEE ALL 3 DEFROST CYCLE TYPES.
% HUM
PRESS % HUM KEY TO ACCEPT
CHOSEN DEFROST CYCLE TYPE
AND GO TO SOFTWARE VERSION
DISPLAY.
% HUM
PROTECTION MODE
THIS ICON APPEARS TO SHOW WHEN THE VENTILATION
UNIT IS IN PROTECTION MODE. THIS SPECIAL MODE HAS
BEEN CREATED TO PROTECT THE VENTILATION UNIT FROM
SPECIFIC CONDITIONS (E.G.: OUTDOOR TEMPERATURE
COLDER
THAN -25°C). THERE IS NO ACTION TO BE TAKEN
WHEN THIS ICON APPEARS, IT WILL DISAPPEAR BY ITSELF.
MAINTENANCE INDICATOR
CONT
THIS ICON FLASHES WHEN IT IS TIME TO PEFORM THE
MAINTENANCE. REFER TO THE VENTILATION UNIT USER
GUIDE.
O
NCE THE UNIT MAINTENANCE IS DONE, PRESS SIMULTANEOUSLY
ON
BOTH MODE AND TURBO KEYS TO RESET THE
MAINTENANCE INDICATOR. THIS WILL ERASE THE ICON FROM THE
SCREEN.
MODE
TURBO
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