Panasonic Cs Mksxxnb4ucz 18bt1u Operating Instructions Manual

Operating Instructions APPENDIX A
(852-6-4181-216-00-1)
CS-MKS9NB4U & CZ-18BT1U
CS-MKS12NB4U & CZ-18BT1U
A-1 

Split System Air Conditioner
Model No.
Panasonic Corporation
1006 Kadoma, Kadoma City, Osaka, Japan
85264181216001
Indoor Units
CS-MKS9NB4U
CS-MKS12NB4U
Outdoor Units
CU-3KS19NBU
CU-4KS24NBU
CU-4KS31NBU
Operating Instructions
Before operating the unit, read these operating instructions thoroughly and keep them for future reference.
CV6233187624
This air conditioner uses the refrigerant R410A. Ceiling Panel
CZ-18BT1U 

2
FEATURES
This air conditioner is an inverter type unit that automatically adjusts capability as appropriate. Details on these functions are provided below; 
refer to these descriptions when using the air conditioner.
• Microprocessor Controlled Operation
The interior compartment of the remote controller contains 
several features to facilitate automatic operation, easy 
logically displayed for easy use.
• Simple One-touch Remote ControllerThe remote controller has several features to facilitate...

3
INSTALLATION LOCATION
• We recommend that this air conditioner be installed 
properly by qualified installation technicians in 
accordance with the Installation Instructions 
provided with the unit.
• Before installation, check that the voltage of the electric 
supply in your home or office is the same as the voltage 
shown on the nameplate.
Avoid: 
To protect the air conditioner from heavy corrosion, avoid installing 
the outdoor unit where salty sea water can splash directly onto it or 
in sulphurous...

4
NAMES OF PARTS
This illustration is based on the external view of a standard model.
Consequently, the shape may differ from that of the air conditioner 
which you have selected.
This air conditioner consists of an indoor unit and an outdoor unit. 
You can control the air conditioner with the remote controller.
UNIT DISPLAY AND OPERATION 
BUTTON
Avoid using radio equipment such as mobile phone near (within 
4 ft. (1.2 m)) the remote control receiver. Some radio equipment 
may cause malfunction of the...

5
REMOTE CONTROLLER (DISPLAY)
(1) Operation mode
MILD DRY ..............................
COOL .....................................
FAN ........................................
(2) Fan speed
Automatic operation ...............
HIGH .....................................
MEDIUM.................................
LOW .......................................
(3) Temperature setting 
60–86°F
When set to 80 °F 
temperature indication............(4) Timer
24-hour clock with ON/OFF 
program Timer...

6
REMOTE CONTROLLER
Transmitter
When you press the buttons on the remote controller, the  mark 
appears in the display to transmit the setting changes to the receiver 
in the air conditioner.
Display
Information on the operating conditions is displayed while the remote 
controller is switched on. If the unit is turned off, FLAP setting and 
FAN SPEED setting are not displayed.
FAN SPEED selector button
: The air conditioner automatically decides the fan speeds.
: High fan speed
: Medium fan speed
: Low...

7
Sensor
A temperature sensor inside the remote controller senses the room 
temperature.
(Cover closed) CLOCK button
ACL button (ALL CLEAR)
Puts the remote controller into pre-operation status. Always press this button 
after replacing the batteries.
ON/OFF operation button
This button is for turning the air conditioner on and off.
1 HR. TIMER button (1-HOUR OFF TIMER)
:  When you press this button, regardless of whether the unit is operating 
or stopping, the unit operates for one hour and then shuts...

8
USING THE REMOTE CONTROLLER
HOW TO INSTALL BATTERIES
1.Slide the cover in the direction indicated by the arrow and remove 
it.
2.Install two AAA alkaline batteries. Make sure the batteries point in 
the direction marked in the battery compartment.
3.Use a thin object such as the tip of a pen to press the ACL button.
HOW TO USE THE REMOTE CONTROLLER
When using the remote controller, always point the unit’s transmitter 
head directly at the air conditioner’s receiver.
REMOTE CONTROLLER INSTALLATION...

9
OPERATION WITH THE REMOTE CONTROLLER
1.  Operation 2.  Adjusting the Fan Speed
A. Automatic fan speed
Simply set the FAN SPEED selector button to the   
position.
This automatically sets the best fan speed for the room 
temperature.
B. Manual fan speed
If you want to adjust fan speed manually during operation, 
just set the FAN SPEED selector button as desired. [ , 
, or  ]
3.  Fan Only
Check that the circuit breaker on the power panel is 
turned on.
Press the setting buttons as described below and...