Panasonic CS-MC90KA / CU-MC180KA / CS-MC90KA / CU-3MC200KA / CS-MC120KA / CU-MC240KA Service Manual ▷ View online
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CS-MC90KA
MAC9902014C3
Operation Details
3) Air Circulation Mode Operation
• When the temperature near the ceiling reaches the setting temperature, Air Circulation Mode operation commences
at low airflow volume. It stops when the temperature drops to 2
°
C below the setting temperature.
Air Circulation Mode Operation Time Diagram
Operation
Stop
Higher
→
+2
°
C
Standard
→
±
0
°
C
Lower
→
–2
°
C
Cooling
27
°
C
25
°
C
23
°
C
Soft Dry
24
°
C
22
°
C
20
°
C
Cooling Mode
Soft Dry Mode
Setting Temperature (Standard)
25
°
C
22
°
C
Cooling Mode
Soft Dry Mode
23
°
C
↑
Intake air
temperature
temperature
4) Automatic Mode Operation
Standard for Determining Operation Mode
(a) Indoor fan operates at Lo fan speed for 20 seconds.
(b) After judging indoor air temperature, the operation mode is determined and operation continued at the mode
(b) After judging indoor air temperature, the operation mode is determined and operation continued at the mode
determined.
(c) After the operation mode has been determined, the mode does not change. However, Soft Dry mode operation
includes Cooling mode operation.
(d) If Automatic Mode operation is started while the air conditioner is operating, operation will continue. If current
operation is in Cooling mode (including the operation which is a part of Soft Dry mode operation), it will be
maintained, for 20 seconds at Lo fan speed. Then, the selected operation mode will continue.
maintained, for 20 seconds at Lo fan speed. Then, the selected operation mode will continue.
(e) Room temperature adjustment.
The following are added to the setting temperature specified as above.
ON
Setting
Temp.
OFF
Compressor
Indoor Fan
Outdoor Fan
Operation
Indication LED
Indication LED
2°C
Intake Air Temp.
a b c d e
Lo
Lo
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CS-MC90KA
MAC9902014C3
Operation Details
5) Sleep Mode Auto Operation
Cooling or Soft Dry Operation
When you press the SLEEP Mode, the following move-
ment will start to avoid overcooling.
ment will start to avoid overcooling.
• The fan speed is automatically set to Low.
• The setting temperature will be risen by 0.5
°
C at the
start of operation and by 0.5
°
C one hour later.
• The operation will stop after 8 hours.
• When using together with the Timer, the
ON-Timer has priority.
6) Auto Restart Control
• If there is a power failure, operation will be automatically restarted when the power is resumed.
It will start with previous operation mode and airflow direction.
(Time Delay Safety Control is valid)
(Time Delay Safety Control is valid)
• Auto Restart Control is not available when Timer or Sleep Mode is set.
• This control can be omitted by cutting the jumper wire J2. (Refer Circuit Diagram)
7) Indoor Fan Speed Control
• Auto Fan Speed Control
When set to Auto Fan Speed, the fan speed is adjusted between maximum and minimum setting as shown in the
table.
table.
• Manual Fan Speed Control
Basic fan speed adjustment (3 settings, from Lo to Hi) can be carried out by using the Fan Speed selection
button.
button.
Fan Speed
Hi
t
t
Manual
Automatic
Cooling
Soft Dry
Air Circulation
Me
t
t
Lo
t
t
t
SLo
t
*
SLo: Indoor Fan rotates at 4-second intervals at Low speed.
Stop
t
t
1 hour
SETTING
TEMPERATURE
0 – 1 hour
Approx. 0.5
°
C increase.
Approx. 0.5
°
C increase.
TEMP.
Approx. 8 hours after
sleep shift operation
starts, stops automati-
cally.
sleep shift operation
starts, stops automati-
cally.
TIME
Sleep Operation button is
pressed.
pressed.
Sleep shift operation
starts.
starts.
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CS-MC90KA
MAC9902014C3
Operation Details
*
The left and right airflow direction louvers can be
adjusted manually.
adjusted manually.
Lower limit for
Cooling Mode and
Soft Dry Mode
Cooling Mode and
Soft Dry Mode
Lower limit for Air Circulation Mode
•
When set a Airflow Direction Auto-Control with
remote control, the louver swings up and down as
shown in the diagram.
remote control, the louver swings up and down as
shown in the diagram.
•
The louver does not swing when the Indoor Fan
stops during operation.
stops during operation.
•
When stopped with remote control, the discharge
vent is closed with the louver.
vent is closed with the louver.
8) Airflow Direction Control
Airflow Direction Auto-Control
Swing up and down
*
1 There is no swinging while indoor fan is stopped during Cooling and Soft Dry operation.
*
2 In Air Circulation operation, when the intake air temperature reaches set temperature, the airflow direction is
changed from upper limit to lower limit. When the intake air temperature falls to 2
°
C lower than set temperature,
the airflow direction is changed from lower limit to upper limit.
•
When the airflow direction set button is pressed,
the automatic airflow is released and the airflow
direction louver move up and down in the range
shown in the diagram.
The louver can be stopped by releasing the button
at the desired louver position.
the automatic airflow is released and the airflow
direction louver move up and down in the range
shown in the diagram.
The louver can be stopped by releasing the button
at the desired louver position.
•
When the remote control is used to stop the opera-
tion, the discharge vent is closed with airflow
direction louver.
tion, the discharge vent is closed with airflow
direction louver.
• When the Delayed ON Timer is set by using the remote control, the unit will start operate slightly before the set time,
so that the room will reach nearly to the set temperature by the desired time.
• For Cooling and Soft Dry mode, the operation will start 15 minutes before the set time.
• For Automatic mode, the indoor fan will operate at SLo speed for 20 seconds 15 minutes before the set time to detect
• For Automatic mode, the indoor fan will operate at SLo speed for 20 seconds 15 minutes before the set time to detect
the intake air temperature to determine the operation mode. The operation indication lamp will blink at this time.
9) Delay ON Timer Control
*
The left and right airflow direction louvers can be
adjusted manually.
adjusted manually.
Airflow Direction Manual Control
Horizontal
Upper limit
34
°
58
°
The louver can be adjusted with in a range
“Airflow Direction Setting Button” is pressed.
“Airflow Direction Setting Button” is pressed.
Lower limit for Air Circulation Mode
Lower limit for
Cooling Mode and
Soft Dry Mode
Cooling Mode and
Soft Dry Mode
Horizontal
Upper limit
34
°
58
°
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CS-MC90KA
MAC9902014C3
No.
1
2
3
4
5
Accessories part
Installation plate
Installation plate fixing screw
Remote control
Battery
Air purifying filter
No.
6
7
8
Accessories part
Clamping cover of piping
Vinyl tape
Vinyl tape
Qty.
1
3
1
Installation Information
Attached accessories
Accessories: Flaring piping kit
CZ-3F5, 7AEN (MC90KA)
CZ-4F5, 7, 10AN (MC120KA)
CZ-4F5, 7, 10AN (MC120KA)
SELECT THE BEST LOCATION
•
There should not be any heat source or steam near the unit.
•
There should not be any obstacles blocking the air circulation.
•
A place where air circulation in the room is good.
•
A place where drainage can be easily done.
•
A place where noise prevention is taken into consideration.
•
Do not install the unit near the door way.
•
Ensure the spaces indicated by arrows from the wall, ceiling, fence or other obstacles.
•
Indoor unit of this room air conditioner shall be installed on the wall in a height of at least 2.3 m.
•
If an awning is built over the unit to prevent direct sunlight or rain, be careful that heat radiation from the
condenser is not obstructed.
condenser is not obstructed.
•
There should not be any animal or plant which could be affected by hot air discharged.
•
Keep the spaces indicated by arrows from wall, ceiling, fence or other obstacles.
•
Do not place any obstacles which may cause a short circuit of the discharged air.
•
If piping length is over the rated length, additional refrigerant should be added as shown in the table.
Qty.
1
6
1
2
2
INDOOR UNIT
OUTDOOR UNIT
MODEL
MC240K
MC180K
3MC200K
Piping size
Gas
1/2"
3/8"
3/8"
Liquid
1/4"
1/4"
1/4"
Rated
Length
7
10
10
Max.
Elevation
(m)
5
5
5
Max.
Piping
Length
(m)
15
15
15
Additional
Refrigerant
(g/m)
15
15
15
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