York YH9FXH12BAH FX Series Service Manual page 30

Operation
Base Operation
Remote controller
1. Unit start
Press ON/OFF on the remote controller, unit starts.
2.Select operation mode
Press MODE button. For each press, operation mode
changes as follows:
Remote controller:
AUTO COOL
3.Select temp.setting
Press
TEMP+ TEMP-
Every time the button is pressed, temp.setting
TEMP+
o
increase 1 C,if kept depressed, it will increase
rapidly
Every time the button is pressed, temp.setting
TEMP-
o
decrease 1 C,if kept depressed, it will decrease
rapidly
Select a desired temperature.
4.Fan speed selection
Press FAN SPEED button. For each press, fan speed
changes as follows:
Remote controller:
LOW
Air conditioner is running under displayed fan speed.
When FAN is set to AUTO, the air conditioner
automatically adjusts the fan speed according to room
temperature.
Remote Display
Operation
Board
Controller
Mode
AUTO
COOL
DRY
HEAT
FAN
DRY FAN HEAT
button
AUTO
MED HI
Note
Under the mode of auto operation, air conditioner will
automatically select Cool or Heat operation according
to room temperature. When FAN is set to AUTO, the
air conditioner automatically adjusts the fan speed
according to room temperature.
In DRY mode, when room temperature becomes
o
lower than temp.setting+2 C,unit will run intermittently
at LOW speed regardless of FAN setting.
In FAN operation mode, the unit will not operate in
COOL or HEAT mode but only in FAN mode ,AUTO is
not available in FAN mode.And temp.setting is disabled.
In FAN mode,SLEEP operation is not available.
Emergency operation and test operation
Emergency Operation:
Use this operation only when the remote controller
is defective or lost.
When the emergency operation switch is
pressed,the" Pi "sound is heard once, which
means the start of this operation.
In this operation, the system automatically selects
the operation modes,cooling or fan or heat,
according to the room temperature.
.
Room
Operation
temperature mode
ABOVE 23 O C
COOLING
HEAT
BELOW 23 O C
（cooling only） Operation
Room temperature
O
BELOW 23 C
It is not possible to operate in dry mode.
Test operation:
Test operation switch is the same as emergency switch.
Use this switch in the test operation when the room
temperature is below 16
normal operation.
Continue to press the test operation
switch for more than 5 seconds . After
you hear the "Pi" sound twice,
your finger from the switch: the cooling
operation starts with the air flow speed "Hi".
Air Flow Direction Adjustment
1.Status display of air flow
Vertical flap
Pos.1 Pos.2
Pos.4
Pos.5
2.Left and right air flow adjustment(manual)
Move the vertical blade by a knob on air
to adjust left and right direction referring to Fig.
Remote controller can memorize each operation status. When starting it
next time,just press ON/OFF button and unit will run in previous status.
Cautions:
When adjusting the flap by hand,turn off the unit.
When humidity is high,condensate water might occur
at air outlet if all vertical louvers are
right.
It is advisable not to keep horizontal flap at downward
position for a long time in COOLor DRY
otherwise, condensate water might occur.
Note:
When restart after remote turning off, the remote
controller will automatically
set swing position.
28
System configuration
Timer
Designated
Air flow
mode
temperature
AUTOMATIC
NO
26 O C
AUTOMATIC
NO
23 O C
Designated
Timer
mode temperature
mode
O
FAN
NO
26 C
o
C, do not use it in the
release
Pos.3
(Auto swing)
adjusted to left or
memorize the previous
Pi
Air flow
AUTOMATIC
Pi Pi
conditioner
mode ,