Johnson Controls YJHJXH024BARR-FX, Service Manual

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Domestic Air Conditioner
3
System Configration
YJHJ
Z
H024BAR
R
AFX-SM
Operation
next time,just press ON/OFF button and unit will run in previous status.
Remote controller can memorize each operation status. When starting it
AUTO COOL DRY FAN
2.Select operation mode
Press FAN SPEED button. For each press, fan speed
follows:
Press MODE button. For each press, operation mode
changes as follows:
Remote controller:
Remote controller:
Press button
Every time the button is pressed, temp.setting
increase 1
o
C,if kept depressed, it will increase
rapidly
Every time the button is pressed, temp.setting
decrease 1
o
C,if kept depressed, it will decrease
rapidly
Select a desired temperature.
4.Fan speed selection
3.Select temp.setting
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.
LOW
MED HI AUTO
1. Unit start
Press ON/OFF on the remote controller, unit starts.
TEMP+
TEMP-
TEMP+ TEMP-
Base Operation
Remote controller
Air Flow Direction Adjustment
Vertical flap
Pos.1 Pos.2
Pos.3
Pos.4
Pos.5
(Auto swing)
1.Status display of air flow
When restart after remote turning off, the remote
memorize the previous
Move the vertical blade by a knob on air
to adjust left and right direction referring to Fig.
2.Left and right air flow adjustment(manual)
Cautions:
When adjusting the flap by hand,turn off the unit.
When humidity is high,condensate water might occur
adjusted to left or
It is advisable not to keep horizontal flap at downward
position for a long time in COOLor DRY
otherwise, condensate water might occur.
conditioner
Emergency Operation:
temperature is below 16
o
C, do not use it in the
Test operation:
Use this switch in the test operation when the room
normal operation.
your finger from the switch: the cooling
Continue to press the test operation
switch for more than 5 seconds . After
you hear the "Pi" sound twice,
release
Test operation switch is the same as emergency switch.
operation starts with the air flow speed "Hi".
Emergency operation and test 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
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.
.
It is not possible to operate in dry mode.
Room
temperature
Operation
mode
Designated
temperature
Timer
mode
Air flow
ABOVE 23 O C
BELOW 23 O C
COOLING
HEAT
23 O C
26 O C NO
NO
AUTOMATIC
AUTOMATIC
(C
ooling only uint ˅
Room temperature
Operation
mode
Designated
temperature
Timer
mode
Air flow
BELOW 23
O
C FAN
26
O
C
NO
AUTOMATIC
at air outlet if all vertical louvers are
right.
mode ,
controller will automatically
Note:
set swing position.
means
changes as
Pi
Pi Pi
SPEED
Operation
Mode
AUTO
e t o m e R
r e l l o r t n o C
Note
COOL
DRY
FAN
In DRY mode, when room temperature becomes
lower than temp.2
o
C,unit will run intermittently
at LOW speed regardless of FAN setting.
Under the mode of auto operation, air conditioner will
automatically select Cool or Heat operation according
to room temperature.
air conditioner automatically adjusts the fan speed
temperature.
When FAN is set to AUTO, the
according to room
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.
Display
Board