Panasonic Air Conditioner S 24mu2u6_s 36mu2u6_s 12mt2u6_s 18mt2u6_s 24mt2u6 Operating Instructions

F570001
Operating InstructionsAir Conditioner
Model No.
This air conditioner uses the refrigerant R410A.
Before operating the unit, read these operating instructions thoroughly \
and keep them for future reference.
Indoor Units
12 18 24
Nominal Capacity
T2
* Panel (optional parts) Type T2
Type U2
Ceiling 36
U-36LE1U6 52
U-52LE1U6Indoor Unit Type
Type
Outdoor Units
Nominal Capacity
ME2 2WAY VRF System
MF2 3WAY VRF System
LE1 Mini VRF SystemOutdoor Unit Type
Type 36
72
U-72ME2U9
U-72MF2U9 96
U-96ME2U9...

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CONTENTS
Page
PRODUCT INFORMATION ........................................................................................................... 2
ALERT SYMBOLS......................................................................................................................... 2
INSTALLATION LOCATION ...........................................................................................................3
ELECTRICAL REQUIREMENTS...

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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.
ELECTRICAL REQUIREMENTS
SAFETY INSTRUCTIONS
• Read these Operating Instructions carefully before using this air conditioner. If you still 
have any difficulties or...

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OPERATION CONDITION
• For safety, be sure to turn the air conditioner off and also to disconnect the 
power before cleaning or servicing.
• Pull off the power plug from a receptacle, or switch off the breaker, or switch 
off the power disconnecting mean to isolate the air conditioner from the 
main power supply in case of emergency.
• Do not turn the air conditioner on and off from the power mains switch. Use the ON/
OFF operation button.
• Do not stick anything into the air outlet of the outdoor unit....

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NAMES OF PARTS
Timer Remote Controller (Optional parts)
High-spec Wired Remote Controller (Optional parts) INDOOR UNIT
Type U2 (4-Way Cassette 36" x 36")Type T2 (Ceiling)
Refer to the Operating Instructions 
attached to the optional Timer Remote 
Controller.
Refer to the Operating Instructions 
attached to the optional High-spec Wired 
Remote Controller.
Ceiling panel 
(optional)
Air intake grille 
(air intake)Water drain
Air outlet 
(4 locations)
Air outlet
Water drain
Air intake grille 
(air...

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ADJUSTING AIRFLOW DIRECTION 
ADJUSTING AIRFLOW DIRECTION FOR MULTIPLE 
INDOOR UNITS USING SINGLE REMOTE CONTROLLER 
(WIRED)
„4-Way Cassette 36" x 36" (Type U2)
This air conditioners are equipped with auto flaps.
You can set the airflow direction to a specific angle or to the sweep mode using the remote 
controller.
Do not move the flap with your hands.
 The air outlet flap can be easily removed and washed with water.
 Be sure to always stop operation before removing the flap. 
 After washing...

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SPECIAL REMARKS
Heating Performance Since this air conditioner utilizes outside air for heating, its heating performance 
deteriorates as outside temperature decreases. (Due to heat pump system)
 It will take some time until the room becomes warmer after heating operation started. (Due 
to hot air circulation system in order to heat a whole room)
Defrosting This appliance may start defrosting operation to melt frost form in the outdoor unit during 
long hour heating operation mode.
The indoor unit fan...

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CARE AND CLEANING
Do not attempt to clean inside the unit by yourself.
Refer to the section “Care and Cleaning” in the Installation Instructions.
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.
Air intake and outlet side
(Indoor unit)Clean the air intake and outlet side of the indoor unit with a vacuum cleaner brush,...

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TROUBLESHOOTING
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 a service center.
INDOOR UNIT
Symptom Cause
Noise Sound like streaming water during 
operation or after operation Sound of refrigerant liquid flowing inside unit
 Sound of drainage water through drain pipe
Cracking noise during operation or 
when operation stops.Cracking sound due to temperature changes of parts
Odor...

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CHECK BEFORE REQUIRING SERVICES
If your air conditioner still does not work properly although you checked the points as described above, first stop the operation and 
turn off the power switch. Then contact your dealer and report the serial number and symptom. Never repair your air conditioner by 
yourself since it is very dangerous for you to do so. You also report if the inspection mark   and the letters E, F, H, L, P in 
combination with the numbers appear on the LCD of the remote controller.
TIPS...