Panasonic Cs Mk7nku 9nku Operating Instructions Manual

							24
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 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 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. 5.  Set the temperature lower.
Clicking sound is heard from the air 
conditioner.In cooling operation, any plastic parts 
may 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 
						

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SPECIFICATIONS
Model No.Indoor Unit
Single-phase, 208-230 V, 60 Hz
Heating Capacity
Operation
Sound
Unit Dimensions (H×W×D)
(Indoor unit : Include panel)
Net Weight Power Source
Cooling CapacitykW
BTU/h
kW
BTU/h
inch(mm)
lbs.(kg)
Cooling Operation (H/M/L)
Heating Operation (H/M/L)dB(A)
dB(A)CS-MKS18NKU
41/38/34
- -
17,5005.15
-
11-23/32×41-15/16×8-5/8
(298×1,065×219)
26.5(12.0)CS-MKS24NKU
44/41/38
- -
24,2007.10
-
11-23/32×41-15/16×8-5/8
(298×1,065×219)
26.5(12.0)
Model No.Outdoor Unit
CU-4KS24NBU CU-3KS19NBU
Single-phase, 208-230 V, 60 Hz
Heating Capacity
Operation
Sound
Unit Dimensions (H×W×D)
Net Weight Power Source
Cooling CapacitykW
BTU/h
kW
BTU/h
inch(mm)
lbs.(kg)
Cooling Operation (Hi)
Heating Operation (Hi)dB(A)
dB(A)50
- -
18,800 [ 9,800 ~ 18,800 ]5.50 [ 2.90 ~ 5.50 ]
-
29-1/8×35-7/16×12-19/32
(740×900×320)
138.9(63.0)50
- -
25,400 [ 9,800 ~ 25,400 ]7.50 [ 2.90 ~ 7.50 ]
-
29-1/8×35-7/16×12-19/32
(740×900×320)
138.9(63.0)53
- -
30,600 [ 9,800 ~ 30,600 ]9.00 [ 2.90 ~ 9.00 ]
-
35-1/32×35-7/16×12-19/32
(890×900×320)
174.2(79.0) CU-4KS31NBU