Panasonic VRF System Air Conditioner S 07mk2u6_s 09mk2u6_s 12mk2u6_s 12my2u6_s 18my2u6 Operating Instructions

F569695
Operating Instructions
VRF System Air 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.
* Salt-Air Damage Resistant Specifications.
Indoor Unit
7 912
Nominal Capacity
Y2 4-Way Cassette 60x60
K2
Wall Mounted
S-07MK2U6
36
U-36LE1U6
U-36LE1U6E* 52
U-52LE1U6
U-52LE1U6E* S-09MK2U6
S-12MK2U6
S-12MY2U6Indoor Unit Type
Type
Outdoor Units
Nominal Capacity
ME2 2WAY VRF System...

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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
INDOOR UNIT
Timer Remote Controller (Optional parts)
High-spec Wired Remote Controller (Optional parts)
Wireless Remote Controller (Optional parts)
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.
Refer to the Operating Instructions attached 
to the optional Wireless Remote Controller.
OPE
N
CLOS
E
CLOS
EOPE
N
Intake grilleControl Panel
Airflow direction...

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ADJUSTING AIRFLOW DIRECTION
The functions differ depending on the indoor unit used.  The airflow direction cannot be set using 
the remote controller for any unit which is not listed below.
Y2 type, K2 type:
 Never use your hands to move the flap (vertical airflow flap) that is controlled using the remote 
controller.
 When the air conditioner is turned off, the flap automatically moves toward the direction of 
closing.
 The flap (vertical airflow flap) moves to the upward position when performing the...

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ADJUSTING AIRFLOW DIRECTION (CONTINUED)
ADJUSTING AIRFLOW DIRECTION FOR MULTIPLE 
INDOOR UNITS USING SINGLE REMOTE CONTROLLER 
(WIRED)
„4-way cassette (Y2)
Y2 type air conditioner is 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.
„Wall mounted type (K2)
Vertical directions (automatic)
Confirm that the remote controller has been turned on. Press the FLAP button to start the flap...

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SPECIAL REMARKS
CARE AND CLEANING
How it works Once the room temperature reaches the level that was set, the unit repeats the cycle of 
turning on and off automatically.
 In order to prevent the humidity in the room from rising again, the indoor fan also turns off 
when the unit stops operating.
 The fan speed is set to ‘‘LO.’’ automatically, and cannot be adjusted.
 ‘‘DRY’’ operation is not possible if the outdoor temperature is 15 °C or less.
Heating performance Because this appliance heats a room by...

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• Switch off  the power supply before cleaning.
 Do not touch the aluminium fin, sharp parts may cause injury.
ALUMINIUM FIN
Remove Front Panel
Close Front Panel
CLEANING  INSTRUCTIONS
FRONT PANEL
INDOOR UNIT
RemoveRemoveRemove

front panel.


front panel to close it 
securely. 

detergent.

and to reduce power consumption.

seasonal inspection.
HINTS
Wipe the unit gently with a 
soft, dry cloth. 
AIR FILTERS


damage to the filter surface.

from fire or direct sunlight.

Air Filter Maintenance ex.)...

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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
OUTDOOR UNITSymptom 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...