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10.4 Automatic operation
Automatic operation can be set using remote control.
Operation mode is determined by set temperature of remote control, indoor intake temperature.
This operation starts to operate with indoor fan at SLo speed for 20 seconds to judge the intake air temperature.
After judged the temperature, the operation mode is determined by referring below standard.
10.5 Indoor Fan Speed Control
Indoor fan speed can be set using remote control.
10.5.1 Fan Speed rotation Chart
speed
Model MODE
Hi/Shi Me Lo
Lo- Slo
COOLING/SOFT DRY
1040
900
750
710
500
CS-YW7MKD(-1)
HEATING 1060
680
540
500
450
COOLING/SOFT DRY
1060
920
750
710
500
CS-YW9MKD(-1)
HEATING 1080
740
590
540
500
COOLING/SOFT DRY
1060
950
800
760
500
CS-YW12MKD(-1)
HEATING 1080
840
680
610
500
10.5.2 Automatic Fan Speed Control
z
When set to Auto Fan Speed, the fan speed is adjusted between maximum and minimum setting as shown in
the table.
the table.
Shi Hi
Me
Lo
Lo-
SLo
SSLo
Auto
o
o
o
Cooling
Manual
o
o
o
Auto
o
o
Soft Dry
Area
Area
Manual
o
o
Auto
o
o
o
o
o
Heating
Manual o
o
o
o
o
z
Auto Fan Speed during cooling operation:-
1. At the beginning of each compressor starts operation, indoor fan speed increases gradually for deodorizing
purpose.
2. Indoor fan will rotate alternately between off and on as shown in below diagram.
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*1. Fan speed will be at Hi till the compressors ceases when set temperature is reached.
*2. Fan Speed will be at Me when the compressor restarts.
*2. Fan Speed will be at Me when the compressor restarts.
z
Auto Fan Speed during soft Dry operation.
1. Indoor fan will rotate alternately between OFF and Lo-.
2. At the beginning of each compressor starts operation, indoor fan will increase fan speed gradually for deodorizing
2. At the beginning of each compressor starts operation, indoor fan will increase fan speed gradually for deodorizing
purpose.
10.5.3 Manual Fan Speed Control
z
Manual fan speed can be set with Fan Speed selection button at the remote control
z
There are 3 level of fan speed setting : Lo, Me, Hi
10.6 Outdoor Fan Speed Control
z
There is only one speed for outdoor fan motor.
z
When compressor stops, outdoor fan will continue running for 30 seconds.
10.7 Vertical Airflow Direction Control.
z
The louver can be adjusted by pressing the button at remote control to the desired position.
z
When operation stops using remote control, the discharge vent is reset, and stop at the closing position..
Operation mode
Manual 18
°
28
°
37
°
46
°
55
°
Cooling/ Soft Dry
Auto 18
°
~ 55
°
Manual 18
°
34
°
50
°
64
°
79
°
Heating
Auto 18
°
, 79
°
Manual
Depending on remote control setting
During judgment
Auto 18
°
10.8 Horizontal Airflow Direction Control
z
Horizontal airflow direction louver can be adjusted manually by hand.
10.9 Timer Control
z
Timer can be set using remote control (12-hour timer setting). When Timer- ON is set for cooling and Soft Dry
operation, the unit with timer set will start operate earlier than the setting time. This is to provide a comfortable
environment when reaching the set ON time.
operation, the unit with timer set will start operate earlier than the setting time. This is to provide a comfortable
environment when reaching the set ON time.
z
For Cooling and Soft Dry operation, the operation will start 15 minutes before the set time.
For Heating operation, the operation will start 30 minutes before the set time.
For Heating operation, the operation will start 30 minutes before the set time.
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z
For Automatic operation, the indoor fan will operate at Slo speed for 25 seconds, 30 minutes before the set time
to detect the intake air temperature to determine the operation mode. The power LED will blink during detection.
to detect the intake air temperature to determine the operation mode. The power LED will blink during detection.
z
If main power supply is switched off or encounter power failure, timer setting will be cancel. Timer needs to be
reset
reset
z
The ON timer or OFF timer will be cancel by pressing CANCEL button.
z
The ON timer or OFF timer will be cancel is ON/OFF operation button is pressed.
z
Each timer setting is effective only once.
z
If power failure occurs during timer operation, timer will be canceled. Reset timer when power is resumed.
10.10 Random Auto Restart Control
z
If there is a power failure during operation, the air conditioner will automatically restart after 2 minutes when the
power is resumed.
power is resumed.
z
It will start with previous operation mode and airflow direction.
z
If timer is set, timer setting will be cancel. The timer needs to be reset after the power is resumed.
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11. Protection Control
11.1 Restart Control (Time Delay Safety Control)
• When the thermo-off temperature is reach during Cooling operation, the compressor stops for 3 minutes
(minimum) before resume operation.
• When the thermo-off temperature is reach during Soft Dry operation, the compressor stops for 6 minutes
(minimum) before resume operation.
• This control is not applicable if the power supply is cut off and on again.
• This phenomenon is to balance the pressure inside the refrigerant cycle.
11.2 7 minutes Time Save Control
z
The compressor will automatically operate if it has stopped for 7 minutes even if the room temperature Is not
reached the Thermo-ON point.
reached the Thermo-ON point.
z
This phenomenon is to prevent the room humidity raising.
11.3 60 seconds Forced Operation
z
Once the air conditioner is turned on, the compressor will not stop within 60 seconds in normal operation even if
the intake air temperature has reached the thermo-off point. However, forced stop by pressing the OFF/ON
operation button at the remote control is permitted.
the intake air temperature has reached the thermo-off point. However, forced stop by pressing the OFF/ON
operation button at the remote control is permitted.
z
This phenomenon is to allow the refrigerant oil run in a full cycle and return back to the outdoor unit.
11.4 30 Seconds Forced Operation
• Once the air conditioner is turned on, the compressor will not stop within 30 seconds in a normal operation
although the intake air temperature has reached the thermo-off temperature. However, force stop by pressing the
OFF/ON button at the remote control is permitted or the Auto OFF/ON button at indoor unit.
OFF/ON button at the remote control is permitted or the Auto OFF/ON button at indoor unit.
• The reason for the compressor to force operation for minimum 30 seconds is to allow the refrigerant oil run in a
full cycle and return back to the outdoor unit.
11.5 Anti-Freezing Control
z
If the temperature of evaporator is lower than 2℃ continuously for 4 minutes, the compressor will cease to
prevent the evaporator from freezing. Fan Speed setting will not be changed.
prevent the evaporator from freezing. Fan Speed setting will not be changed.
z
When temperature of evaporator reach 10℃, compressor will restart.
z
During Cooling and soft Dry operation, the Time Delay Safety Control will be applied if the recovery time is too
short.
short.
11.6 Compressor Reverse Rotation Protection Control
z During Cooling or Soft Dry operation:-
If the compressor has been continuously running for 5 minutes or longer, and the difference of temperature between
intake air and evaporator is continuously lower than 2.5℃ or below for 2 minutes, the compressor will stop, and then
restart 3 minutes later. (Time Delay Safety Control is effective.)
If the compressor has been continuously running for 5 minutes or longer, and the difference of temperature between
intake air and evaporator is continuously lower than 2.5℃ or below for 2 minutes, the compressor will stop, and then
restart 3 minutes later. (Time Delay Safety Control is effective.)
△ T= Intake air temperature – Indoor heat exchanger temperature
Compressor runs ≥ 5 min
△T≤ 2.5℃ last for 2 min
△T≤ 2.5℃ last for 2 min
Compressor stops
Compressor restarts 3 minutes later
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