W
ALL
C
ONTROL
U
SE
(
CONT
’
D
)
H
OW TO SET THE RELATIVE HUMIDITY
(RH)
LEVEL AND CHOOSE BETWEEN
OFF
IN STANDBY OR
RECIRCULATION
IN STAND
-
BY
S
ETTING THE RELATIVE HUMIDITY LEVEL ALLOWS TO SELECT THE MAXIMUM DESIRED
INDOOR HUMIDITY LEVEL
(
IN PERCENTAGE
). T
HIS VALUE WILL BE USED TO START THE
DEHUMIDISTAT OVERRIDE
(
AIR EXCHANGE IN HIGH SPEED
).
P
RESS AND HOLD
OK
FOR
3
SEC
.
TO
ACCESS THE SETTINGS MENU
. T
HE
BACKLIGHT WILL BE ACTIVATED DURING
ALL THE PROCEDURE
.
T
HE
R
ELATIVE HUMIDITY ARROW AND
VALUE WILL FLASH
(
DEFAULT SETTING
:
45%).
U
SE
UP
OR
DOWN
ARROW
TO CHANGE THE VALUE
. T
HE
VALUE
CHANGES
BY
1%
INCREMENTS
. L
OWER VALUE
:
30%. U
PPER VALUE
: 55%.
S
TILL FLASHING
.
P
RESS
OK
BUTTON TO ACCEPT THE
NEW VALUE AND GO TO NEXT SETTTING
.
R
ECIRCULATION ARROWS ARE TURNING
AND
rE
FLASHES TO SHOW THAT
RECIRCULATION²
IS IN STANDBY
.
P
RESS
OK
BUTTON
TO ACCEPT AND QUIT
SETTING MENU
.
OR
U
SE
UP
OR
DOWN
ARROW TO CHANGE TO
RECIRCULATION
IN
STANDBY
.
T
WO LINES ARE FLASHING TO SHOW
THAT
OFF¹
IS IN STAND BY
(
DEFAULT
CONFIGURATION SETTING
).
OR
OR
R
ESETTING
M
AINTENANCE
I
NDICATOR
: P
RESS SIMULTANEOUSLY ON
BOTH ARROW BUTTONS
, M
AINTENANCE INDICATOR WILL DISAPPEAR
FROM
LCD
SCREEN
.
AND
M
AINTENANCE
I
NDICATOR
T
HE MAINTENANCE INDICATOR IS REPRESENTED
BY AN
M
IN A ROUNDED TRIANGLE
,
AT THE TOP
OF THE HOUSE
(
SEE BESIDE
). I
F THIS INDICATOR
IS
FLASHING
,
PERFORM
THE
SEMI
-
ANNUAL
MAINTENANCE
,
AND IF IT IS NOT FLASHING
,
PERFORM
THE ANNUAL MAINTENANCE
(
REFER TO THE
VENTILATION UNIT USER GUIDE
).
D
EHUMIDISTAT
O
VERRIDE
S
ELECTION
I
N THE OPERATING MODES
MIN, MAX, 20
MIN
/
H AND
RECIRC,
THE USER CAN
SELECT A DEHUMIDISTAT OVERRIDE SO THAT IF THE RELATIVE HUMIDITY
(RH)
IN THE
HOUSE EXCEEDS THE
RH
SETTING PREVIOUSLY STORED
,
THE VENTILATION UNIT WILL
EXCHANGE IN HIGH SPEED UNTIL THE TARGET INDOOR
RH
SETTING IS REACHED
.
A
N AIR EXCHANGER IS NOT A DEHUMIDIFIER
,
BUT IT CAN CHANGE THE INDOOR RELATIVE
HUMIDITY BY BRINGING IN DRIER OR MORE HUMID AIR FROM OUTSIDE DURING NON
HEATING SEASON
. T
HE DEHUMIDISTAT OVERRIDE FUNCTION IS USEFUL TO REDUCE
INDOOR
RH
WHEN THE OUTDOOR AIR IS COOL AND DRY DURING THE HEATING SEASON
.
S
ELECT A TARGET
RH
BETWEEN
30%
AND
55%
ACCORDING TO YOUR COMFORT
.
W
HEN OUTDOOR RELATIVE HUMIDITY IS HIGH
(
E
.
G
.
IN SUMMER
),
TURN OFF THE OVERRIDE
BY PRESSING
OK
UNTIL THE
RH
DISPLAY DISAPPEARS
.
W
HEN THE DEHUMIDISTAT OVERRIDE IS ACTIVATED
,
THE
AUTO
INDICATOR
WILL APPEAR ON
LCD
SCREEN TO SHOW THAT THE ACTUAL MODE IS
BEING OVERRIDDEN
. A
LSO
,
THE RELATIVE HUMIDITY APPEARS
(
IF IT WAS
NOT SHOWN
,
SEE EXAMPLE BESIDE
). O
NCE THE TARGET HUMIDITY
LEVEL IS REACHED
,
THE UNIT GOES BACK INTO ITS ORIGINAL OPERATING
MODE AND
AUTO
DISAPPEARS FROM
LCD
SCREEN
.
NOTE:
I
F THE ACTUAL MODE IS
MAX,
ONLY THE RELATIVE HUMIDITY LEVEL
APPEARS ON SCREEN
; AUTO
LABEL WILL NOT APPEAR
.
T
O ENGAGE THE DEHUMIDISTAT OVERRIDE
,
PRESS
OK. T
HE ACTUAL INDOOR
RH
AND
THE
%HUM
LABEL APPEAR ON
LCD
SCREEN
.
NOTE:
I
F THE ACTUAL
RH
IS LESS THAN
20%,
THEN THE HUMIDITY INDICATOR
WILL DISPLAY
“LO”,
AND IF THE ACTUAL
RH
IS GREATER THAN
80%,
THEN
THE HUMIDITY NDICATOR WILL DISPLAY
“HI”.
T
O TURN OFF THE DEHUMIDISTAT OVERRIDE
,
PRESS
OK
AGAIN
. T
HE
RH
AND
%HUM
DISPLAY WILL DISAPPEAR FROM
LCD
SCREEN
.
P
OWER
F
AILURE
A
FTER A POWER FAILURE
,
THE WALL CONTROL RETURNS TO ITS ORIGINAL OPERATION
MODE
. A
LL SETTINGS ARE KEPT IN MEMORY
.
E
RROR
C
ODES
I
F THERE IS A PROBLEM WITH THE WALL CONTROL
,
AN ERROR CODE WILL APPEAR ON
THE SCREEN
;
IT COULD BE
E1, E3
OR
E7. I
S THIS SITUATION OCCURS
,
UNPLUG
THE
VENTILATION
UNIT
FOR
20
SECONDS
AND
THEN
REPLUG
IT
. I
F THE ERROR CODE IS STILL
PRESENT
,
PLEASE CALL YOUR INSTALLER
.
P
RESS
OK
BUTTON TO ACCEPT AND
QUIT SETTING MENU
.
1OFF
IN STAND BY
:
O
N
20
MIN
/
H MODE
,
THE VENTILATION UNIT IS
OFF
DURING
40
MINUTES AND EXCHANGE AIR WITH THE OUTSIDE ON LOW SPEED
DURING THE REMAINING
20
MINUTES OF THE HOUR
. T
HIS IS THE
DEFAULT VALUE
.
2RECIRCULATION
IN STAND BY
: O
N
20
MIN
/
H MODE
,
THE VENTILATION UNIT
RECIRCULATES THE INSIDE AIR FOR
40
MINUTES
ON HIGH SPEED AND EXCHANGE AIR WITH THE
OUTSIDE ON LOW SPEED DURING THE REMAINING
20
MINUTES OF THE HOUR
.
