Panasonic s-24mu2u6, s-36mu2u6, s-12mt2u6, s-18mt2u6, s-24mt2u6 Operation Manual
Operating Instructions
Type T2Type U2
Air Conditioner
Model No.
Indoor Units
Indoor Unit TypeType
U2 4-Way Cassette 36" x 36"
Ceiling
T2
* Panel (optional parts)
12 18 24
S-12MT2U6 S-18MT2U6 S-24MT2U6
Nominal Capacity
(CZ-36KPU3U)*
S-24MU2U6
S-36MU2U6
(CZ-36KPU3U)*
Connectable outdoor unit lineup
This booklet is the operating instructions for indoor unit. Regarding the outdoor unit, see the operating
instructions supplied with the outdoor unit.
Outdoor Units
Outdoor Unit TypeType
ME2 2WAY VRF System
MF2 3WAY VRF System
LE1 Mini VRF System
36
U-36LE1U6
52
U-52LE1U6
Nominal Capacity
72
U-72ME2U9
U-72MF2U9
96
U-96ME2U9
U-96MF2U9
120
U-120ME2U9
U-120MF2U9 U-144MF2U9
36
144
U-144ME2U9
This air conditioner uses the refrigerant R410A.
Before operating the unit, read these operating instructions thoroughly and keep them for future reference.
F570001
CONTENTS
PRODUCT INFORMATION...........................................................................................................2
ALERT SYMBOLS.........................................................................................................................2
INSTALLATION LOCATION...........................................................................................................3
ELECTRICAL REQUIREMENTS ..................................................................................................3
SAFETY INSTRUCTIONS.............................................................................................................3
OPERATION CONDITION ............................................................................................................4
NAMES OF PARTS .......................................................................................................................5
Timer Remote Controller (Optional parts) .....................................................................................5
NOTE
Refer to the Operating Instructions attached to the optional Timer Remote Controller.
High-spec Wired Remote Controller (Optional parts)....................................................................5
NOTE
Refer to the Operating Instructions attached to the optional High-spec Wired Remote Controller.
ADJUSTING AIRFLOW DIRECTION ............................................................................................6
ADJUSTING AIRFLOW DIRECTION FOR MULTIPLE INDOOR UNITS USING SINGLE REMOTE
CONTROLLER (WIRED)...............................................................................................................6
SPECIAL REMARKS ....................................................................................................................7
CARE AND CLEANING ................................................................................................................8
TROUBLESHOOTING .................................................................................................................. 9
CHECK BEFORE REQUIRING SERVICES................................................................................10
TIPS FOR ENERGY SAVING .....................................................................................................10
SPECIFICATIONS.......................................................................................................................11
Page
PRODUCT INFORMATION
If you have problems or questions concerning your Air Conditioner, you will need the following
information. Model and serial numbers are on the nameplate of the unit.
Model No. _________________________________ Serial No. _______________________
Date of purchase ______________________________________________________________
Dealer’s address ______________________________________________________________
Phone number________________________________________________________________
ALERT SYMBOLS
The following symbols used in this manual, alert you to potentially dangerous conditions to
users, service personnel or the appliance:
This symbol refers to a hazard or unsafe practice
which can result in severe personal injury or
death.
This symbol refers to a hazard or unsafe practice
which can result in personal injury or product or
property damage.
2
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.
• Do not install this air conditioner where there are fumes or flammable gases, or in an
extremely humid space such as a greenhouse.
• Do not install the air conditioner where excessively high heat-generating objects
are placed.
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 air near a spa.
ELECTRICAL REQUIREMENTS
• All wiring must conform to the local electrical codes. Consult your dealer or a qualified
electrician for details.
• It is strongly recommended to be installed with Earth Leakage Circuit Breaker (ELCB) or
Residual Current Device (RCD) to prevent electric shock or fire.
• Each unit must be properly grounded with a ground (or earth) wire or through the supply
wiring.
• Wiring must be done by a qualified electrician.
To warm up the system, the power mains must be turned on at least five (5) hours
before operation. Leave the power mains ON unless you will not be using this
appliance for an extended period.
NOTE
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 when not in use
for a long time.
SAFETY INSTRUCTIONS
• Read these Operating Instructions carefully before using this air conditioner. If you still
have any difficulties or problems, consult your dealer for help.
• This air conditioner is designed to give you comfortable room conditions. Use this only for
its intended purpose as described in these Operating Instructions.
• Confirm to authorized dealer or specialist on usage of specified refrigerant type.
Using of refrigerant other than the specified type may cause product damage, burst
and injury etc.
• Never touch the unit with wet hands.
• Never use or store gasoline or other flammable vapor or liquid near the air
conditioner — it is very dangerous.
• Do not use this appliance in a potentially explosive atmosphere.
• This air conditioner has no ventilator for intaking fresh air from outdoors. You must
open doors or windows frequently when you use gas or oil heating appliances in
the same room, which consume a lot of oxygen from the air. Otherwise there is a
risk of suffocation in an extreme case.
• To prevent possible hazards from insulation failure, the unit must be
grounded.
• Do not clean inside the indoor and outdoor units by users. Engage
authorized dealer or specialist for cleaning.
• In case of malfunction of this appliance, do not repair by yourself. Contact to the
sales dealer or service dealer for a repair.
• Check for a leaking refrigerant! Refrigerant gas may produce a toxic gas if it comes
in contact with fire.
3
• 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.
This is dangerous because the fan is rotating at high speed.
• Do not touch the air inlet or the sharp aluminum
fins of the outdoor unit. You may get injured.
• Keep the fire alarm and the air outlet at least
5 feet (1.5 m) away from the unit.
• Do not let children play with the air conditioner.
• Do not cool or heat the room too much if babies or invalids are present.
• Do not sit or step on the unit.
You may fall down accidentally.
• Do not stick any object
into the FAN CASE.
You may be injured and
the unit may be damaged.
The compressor may occasionally stop during thunderstorms.
This is not a mechanical failure. The unit automatically recovers after a few minutes.
3 way system
2 way system
Mini VRF system
OPERATION CONDITION
Use this air conditioner under the following temperature range.
Temperature range (°F/°C)
Heating & Cooling
Cooling
Heating
Temperature range (°F/°C)
Cooling
Heating
Temperature range (°F/°C)
Cooling
Heating
Max. 86/30 –/– 75/24 64/17.8
Min. 59/15 –/– 14/-10 14/-10
Max. 90/32 77/25 115/46 –/–
Min. 64/17.8 57/14 14/-10 –/–
Max. 86/30 –/– 75/24 64/17.8
Min. 61/16 –/– -4/-20 -4/-20
Max. 90/32 77/25 122/50 –/–
Min. 64/17.8 57/14 14/-10 –/–
Max. 86/30 –/– 75/24 64/17.8
Min. 61/16 –/– -4/-20 -4/-20
Max. 90/32 77/25 115/46 –/–
Min. 64/17.8 57/14 14/-10 –/–
Max. 86/30 –/– 75/24 64/17.8
Min. 61/16 –/– -4/-20 -4/-20
Indoor Outdoor
*DBT *WBT *DBT *WBT
Indoor Outdoor
*DBT *WBT *DBT *WBT
Indoor Outdoor
*DBT *WBT *DBT *WBT
* DBT: Dry bulb temperature
* WBT: Wet bulb temperature
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