Panasonic Cs Mke7nku9nku Operating Instructions Manual

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OPERATION WITHOUT THE REMOTE 
CONTROLLER
CARE AND CLEANING
INDOOR UNITIf you have lost the remote controller or it has trouble, follow the steps below.
When the air conditioner is not running
Each time the OPERATION button is pressed, the type of operation conducted is 
indicated by the changing color of the OPERATION lamp. Press the button and 
select the lamp color that suits your preference for operation.
The temperature is set to the room temperature minus 4 °F during the cooling 
operation and to the room temperature plus 4 °F during the heating operation, 
and the fan speed and flap are set to Auto.
1. For safety, be sure to turn the air conditioner off and also to disconnect 
the power before cleaning.
2. Do not pour water on the indoor unit to clean it. This will damage the 
internal components and cause an electric shock hazard.
Casing and Grille (Indoor Unit)Clean the casing and grille of the indoor unit with a vacuum cleaner brush, or 
wipe them with a clean, soft cloth.
If these parts are stained, use a clean cloth moistened with a mild liquid 
detergent. When cleaning the grille, be careful not to force the vanes out of place.
1. Never use solvents, or harsh chemicals when cleaning the indoor unit. 
Do not wipe the plastic casing using very hot water. 
2. Some metal edges and the fins are sharp and may cause injury if 
handled improperly; be especially careful when you clean these parts.
3. The internal coil and other components of the outdoor unit must be 
cleaned every year. Consult your dealer or service center.
OPERATION button
Cooling operation 
(green)Heating operation 
(red)Stop 
(lamp off)
NOTE
CAUTION 
						

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CARE AND CLEANING (CONTINUED)
FilterThe filter behind the air intake grille should be checked and cleaned at least once 
every two weeks.
How to remove the filter 1.Grasp both ends of the air 
intake grille, and remove it by 
opening towards the front and 
pulling towards you.
2.Remove the filter attached to 
the rear of the air intake grille.
CleaningUse a vacuum cleaner to remove light dust. If there is sticky dust on the filter, 
wash the filter in lukewarm, soapy water, rinse it in clean water, and dry it.
How to replace the filter 1.With the FRONT mark of the 
filter at the front, align the two 
indentions near the mark with 
the hooks at the rear of the air 
intake grille, and then mount 
the filter.
2.Allow the edge of the air intake 
grille to slide into the top of the 
indoor unit, and then insert it 
all the way inside. 
3.To attach the air intake grille to 
the indoor unit, press its 
bottom right and left corners as 
well as its bottom center into 
place.
Attach so that the round pins at the top right and left corners of the air intake grille 
are inserted into the grooves at the top right and left of the indoor unit.
Air intake grille
Filter
Filter
FRONT mark
Hook
Air intake grilleGroove
Pin
Air intake grille
NOTE 
						

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CARE AND CLEANING (CONTINUED)
WIRED REMOTE CONTROLLER
Cleaning the main unit
and remote controller• Wipe clean using a soft, dry cloth.
• To remove stubborn dirt, moisten a cloth in warm water no hotter than 104 °F, wring 
thoroughly, and then wipe.
• The air intake grille can be removed in order to wash it with water.
Removing and
remounting the air
intake grilleRefer to “How to remove the filter” and “How to replace the filter” on page 23.
When using a footstool or the like, be careful not to let it tip over.
Washing the grille
with water• Clean the grille gently using a soft sponge, or the like. Then wipe away any remaining 
moisture.
• Neutral detergent may be used to remove stubborn dirt. Then rinse thoroughly with 
water and wipe away any remaining moisture.
A separately sold wired remote controller (CZ-RD515U) used with this air conditioner is 
also available. If you wish to use the wired remote control function, you will need to 
purchase both the optional wired remote controller and its connection kit (CZ-RC515U).
CAUTION 
						

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TROUBLESHOOTING (BEFORE CALLING FOR 
SERVICE)
If your air conditioner does not work properly, first check the following points before requesting service. If it still does not
work properly, contact your dealer or service center.
OPERATING RANGE
The air conditioner is operable within the temperature ranges as listed below:
Trouble Possible Cause Remedy
Air conditioner does not run at all. 1.  Power failure.  1. Restore power.
2. Leakage circuit breaker tripped. 2. Contact service center.
3. Line voltage is too low. 3. Consult your electrician or dealer.
4.  Batteries in remote controller have 
run down.4. Replace batteries.
OPERATION lamp blinks and air 
conditioner does not operate.Trouble in system. Contact service center.
Compressor runs but soon stops. Obstruction in front of condenser coil. 
(Outdoor Unit)Remove obstruction.
Poor cooling (or heating) performance. 1.  Dirty or clogged air filter. 1.  Clean air filter to improve airflow.
2.  Heat source or many people in 
room.2.  Eliminate heat source if possible.
3.  Doors and/or windows are open. 3.  Shut them to keep the heat (or cold) 
out.
4.  Obstacle near air intake or air 
discharge port.4.  Remove it to ensure good airflow.
5.  Thermostat is set too high for 
cooling (or too low for heating).5.  Set the temperature lower (or 
higher).
6.  (Outdoor temperature is too low for 
heating.)6.  (Consult your dealer or try to use 
another heat appliance.)
Clicking sound is heard from the air 
conditioner.In heating or cooling operation, any 
plastic parts may expand or shrink due 
to a sudden temperature change. In 
this event, a clicking sound may occur.This is normal, and the sound will soon 
disappear.
OPERATION lamp lights but outdoor 
unit will not run.The use of cellular phones near the air 
conditioner may cause disturbance to 
its normal operation.1.  Turn off the power then restart the 
air conditioner after a while.
2.  Consult your dealer.
Temperature  Indoor air temperature  Outdoor air temperature
COOLING Max.  95 °F DB / 71 °F WB  115 °F DB
Min.  67 °F DB / 57 °F WB  14 °F DB
HEATING Max.  80 °F DB / 67 °F WB  75 °F DB / 65 °F WB
Min.  – DB / – WB – DB / 0 °F WB 
						

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SPECIFICATIONS
Model No.Indoor Unit
CS-MKE18NKU CS-MKE24NKU
Power Source Single-phase, 208-230 V, 60 Hz
Cooling CapacitykW 5.15 7.10
BTU/h 17,500 24,200
Heating CapacitykW 6.00 8.50
BTU/h 20,400 29,000
Operation 
SoundCooling Operation 
(H/M/L)dB(A) 41/38/34 44/41/38
Heating Operation 
(H/M/L)dB(A) 40/37/34 43/40/37
Unit Dimensions  (H×W×D)
(Indoor unit : Include panel)inch
(mm)11-23/32×41-15/16×8-5/8
(298×1,065×219)11-23/32×41-15/16×8-5/8
(298×1,065×219)
Net Weight lbs. (kg) 26.5 (12.0) 26.5 (12.0)
Model No.Outdoor Unit
CU-3KE19NBU CU-4KE24NBU CU-4KE31NBU
Power Source Single-phase, 208-230 V, 60 Hz
Cooling CapacitykW 5.45 [2.90 ~ 5.45] 6.80 [2.90 ~ 6.80] 9.00 [2.90 ~ 9.00]
BTU/h 18,600 [9,800 ~ 18,600] 23,200 [9,800 ~ 23,200] 30,600 [9,800 ~ 30,600]
Heating CapacitykW 7.30 [3.40 ~ 7.30] 8.60 [3.40 ~ 8.60] 9.40 [3.40 ~ 9.40]
BTU/h 24,800 [11,600 ~ 24,800] 29,200 [11,600 ~ 29,200] 32,000 [11,600 ~ 32,000]
Operation 
SoundCooling Operation 
(Hi)dB(A) 50 50 53
Heating Operation 
(Hi)dB(A) 52 52 52
Unit Dimensions  (H×W×D)inch
(mm)29-1/8×35-7/16×12-19/32
(740×900×320)29-1/8×35-7/16×12-19/32
(740×900×320)35-1/32×35-7/16×12-19/32
(890×900×320)
Net Weight lbs. (kg) 143.3 (65.0) 143.3 (65.0) 180.8 (82.0)