USER MANUAL U8ME2E8 PANASONIC
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Three identical line drawings of industrial cooling units with heat sinks and ventilation grilles (no text or symbols)
* Shows 2WAY (Type ME2)
Model No.
OUTDOOR UNIT
2WAY (Type ME2)
U-8ME2E8
U-10ME2E8
U-12ME2E8
U-14ME2E8
U-16ME2E8
U-18ME2E8
U-20ME2E8
- Connectable indoor unit lineup
This booklet is the operating instructions for outdoor unit. Regarding the indoor unit, see the operating instructions supplied with the indoor unit.
INDOOR UNIT
1-Way Cassette
2-Way Cassette
4-Way Cassette
4-Way Cassette 60 × 60
Wall-Mounted
Ceiling
Low Silhouette Ducted
Slim Low Static Ducted
High Static Pressure Ducted
Floor Standing
Concealed Floor Standing

ENGLISH 2\~5
Before operating the unit, read these operating instructions thoroughly and keep them for future reference.
FRANCAIS 6\~9
Thank you for purchasing this Panasonic product. This product is a commercial air conditioner outdoor unit. Installation Instructions attached.
Contents
● Safety Precautions ...... 2
● Precautions for Use 4
- Names of Parts .... 5
- Specifications 50
• Outdoor unit 50
• Corresponding language table 51
If you have problems or questions concerning your Air Conditioner, you will need the following information. Model and serial numbers are on the nameplate.
Model No.
Serial No.
Date of purchase
Dealer's address
Phone number
Safety Precautions
The following symbols used in this manual, alert you to potentially dangerous conditions to users, service personnel or the appliance:

WARNING
This symbol refers to a hazard or unsafe practice which can result in severe personal injury or death.

CAUTION
This symbol refers to a hazard or unsafe practice which can result in personal injury or product or property damage.

Prohibited matters

Matters to be observed
- 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.
WARNING

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.
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.

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.
Never touch the unit with wet hands.
Do not insert your fingers or other objects into the air conditioner indoor or outdoor unit, rotating parts m cause injury.


If the refrigerant comes in contact with a flame, it produces a toxic gas.
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 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.

Provide a power outlet to be used exclusively for each unit, and a power supply disconnect, Earth Leakage Circuit Breaker (ELCB) or Residual Current Device (RCD) for overcurrent protection should be provided in the exclusive line.
Provide a power outlet exclusively for each unit, and full disconnection means having a contact separation in all poles must be incorporated in the fixed wiring in accordance with the wiring rules.
To prevent possible hazards from insulation failure, the unit must be grounded.


Do not use modified cord, joint cord, extension cord or unspecified cord to prevent overheating and fire.



Stop using the product when any abnormality/failure occurs and disconnect the power plug or turn off the power switch and breaker. (Risk of smoke/fire/electric shock) Examples of abnormality/failure:
• The ELCB trips frequently.
- The product sometimes does not start when turned on.
• The power is sometimes disconnected when the cord is moved.
- Burnt odor or abnormal noise is detected during operation.
• The body is deformed or abnormally hot.
• Water leaks from the indoor unit.
• Power cord or plug becomes abnormally hot.
• Fan speed cannot be controlled.
- The unit stops running immediately even if it is switched on for operation.
- The fan does not stop even if the operation is stopped.
Contact immediately your local dealer for maintenance/repair.


This appliance is intended to be used by expert or trained users in shops, in light industry and on farms, or for commercial use by lay persons.
This appliance can be used by children aged from 8 years and above and persons with reduced physical, sensory or mental capabilities or lack of experience and knowledge if they have been given supervision or instruction concerning use of the appliance in a safe way and understand the hazards involved.
Keep the fire alarm and the air outlet at least 1.5m away from the unit.
Do not cool or heat the room too much if babies or invalids are present.

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.

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.


NOTICE
- The compressor may occasionally stop during thunderstorms. This is not a mechanical failure. The unit automatically recovers after a few minutes.
- The English text is the original instructions. Other languages are translations of the original instructions.
This product contains fluorinated greenhouse gases covered by the Kyoto Protocol. Do not vent gases into the atmosphere.
Refrigerant type: R410A
GWP ^(1) value: 1975
(1) GWP = global warming potential
Periodical inspections for refrigerant leaks may be required depending on European or local legislation. Please contact your local dealer for more information.
Precautions for Use
Installation
- This air conditioner must 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.
WARNING
Avoid the following locations for installation.
- Locations where smoke or combustible gas exists.
Also locations of extremely high temperature such as a greenhouse.
- Locations where excessively high heat-generating objects are placed.
Attention:
- Avoid installing the outdoor unit where salty sea water can splash directly onto it or in sulphurous air near a spa. (To protect the air conditioner from heavy corrosion)
Wiring
● All wiring must conform to the local electrical codes.
(Consult your dealer or a qualified electrician for details.)
● 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.
Operation Preparation
Turn the power mains on 5 hours before the start of operation.
(For warm-up)
- Leave the power mains ON for continuous use.

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.
Operation Condition
Use this air conditioner under the following temperature range.
| Outdoor Unit | Indoor temperature range | Outdoor temperature range |
| 2WAY (Type ME2) |
| Cooling 14°C | ~25°C (*WBT) | -10°C ~52°C (*DBT) |
| -10°C ~43°C (*DBT)*1 |
| Heating 16°C | ~30°C (*DBT) | -25°C -18°C (*WBT) |
*DBT: Dry bulb temperature
*WBT: Wet bulb temperature
*1: The maximum allowable temperature of this air conditioning system is reduced to 43^ when using the existing R22 pipe.

These symbols on the products, packaging, and/or accompanying documents mean that used electrical and electronic products and batteries should not be mixed with general household waste.
For proper treatment, recovery and recycling of old products and used batteries, please take them to applicable collection points, in accordance with your national legislation and the Directives 2002/96/EC and 2006/66/EC.
By disposing of these products and batteries correctly, you will help to save valuable resources and prevent any potential negative effects on human health and the environment which could otherwise arise from inappropriate waste handling. For more information about collection and recycling of old products and batteries, please contact your local municipality, your waste disposal service or the point of sale where you purchased the items. Penalties may be applicable for incorrect disposal of this waste, in accordance with national legislation.
For business users in the European Union
If you wish to discard electrical and electronic equipment, please contact your dealer or supplier for further information.
These symbols are only valid in the European Union. If you wish to discard these items, please contact your local authorities or dealer and ask for the correct method of disposal.
![PANASONIC U8ME2E8 - [Information on Disposal in other Countries outside the European Union] - 1](/content/2026/03/454838/images/5696087d3f6cebc87a37794bd347e6a5dad513189900298a14afa1afd3092658.jpg)
Note for the battery symbol (bottom two symbol examples):
This symbol might be used in combination with a chemical symbol. In this case it complies with the requirement set by the Directive for the chemical involved.
Names of Parts
OUTDOOR UNIT
2WAY (Type ME2)
ENGLISH
Optional
Wireless Remote Controller

For all indoor units
Timer Remote Controller

Model No. CZ-RTC4
For all indoor units
High-spec Wired Remote Controller

Model No. CZ-RTC5A
For all indoor units
Read the Operating Instructions included with the Remote Controller.
■ Adjusting Airflow Direction
Refer to the Operating Instructions attached to the indoor unit.
■ Maintenance
Refer to the Operating Instructions attached to the indoor unit.
Troubleshooting
Refer to the Operating Instructions attached to the indoor unit.
Rated conditions
Cooling : Indoor intake air temp. 27°C DB / 19°C WB. Outdoor intake air temp. 35°C DB.
Heating : Indoor intake air temp. 20°C DB. Outdoor intake air temp. 7°C DB / 6°C WB.
Corresponding language table
| English Français Español Deutsch | | |
| 2WAY (Type ME2) 2WAY (Type ME2) 2WAY (Tipo ME2) 2WAY (Typ ME2) | | |
| 1-Way Cassette Cassette 1 voies Cassette de 1 vías 1-Weg Kassette | | |
| 2-Way Cassette Cassette 2 voies Cassette de 2 vías 2-Weg Kassette | | |
| 4-Way Cassette Cassette 4 voies Cassette de 4 vías 4-Weg Kassette | | |
| 4-Way Cassette 60 × 60 Cassette 4 voies 60 × 60 Cassette de 4 vías 60 × 60 4-Weg Kassette 60 × 60 | | |
| Wall-Mounted Fixation au mur Montaje en pared Wandmontiert | | |
| Ceiling | Plafond | Techo | Deckenmontage |
| Low Silhouette Ducted | Conduit discret | Conducto de perfil bajo | Kanalgerät, flache Bauform |
| Slim Low Static Ducted | Conduit Mince Faible Statique | Conductos finos de presión estática | Flaches Kanalgerät mit niedriger statischer Pressung |
| High Static Pressure Ducted | Conduit Haute Pression Statique | Conductos de presión estática alta | Kanalgerät mit hoher statischer Pressung |
| Floor Standing | Installation au sol | Montaje de suelo | Staand |
| Concealed Floor Standing | Installation au sol dissimulée | Montaje de suelo oculto | Verborgen staand |
| English Italiano | Nederlands | Português | |
| 2WAY (Type ME2) 2WAY (Tipo ME2) | 2WAY (Type ME2) 2WAY (Tipo ME2) | Cassete de 1 vias | |
| 1-Way Cassette A cassetta a 1 vie | 1-weg cassette | Cassete de 2 vias | |
| 2-Way Cassette A cassetta a 2 vie | 2-weg cassette | Cassete de 4 vias | |
| 4-Way Cassette A cassetta a 4 vie | 4-weg cassette | Cassete de 4 vias | |
| 4-Way Cassette 60 × 60 | A cassetta a 4 vie 60 × 60 | 4-weg cassette 60 × 60 | Cassete de 4 vias 60 × 60 |
| Wall-Mounted | Montato a parete | Aan de muur gemonteerd | Unidade instalada na parede |
| Ceiling | A soffitto | Plafond | Tecto |
| Low Silhouette Ducted | Con condotto a profilo basso | Met laagprofiel kanalen | Com conduta de silhueta baixa |
| Slim Low Static Ducted | Sottile a condotto a bassa pressione statica | Slim lage statische druk kanaal | Estática baixa fina no tubo |
| High Static Pressure Ducted | A condotto ad alta pressione statica | Kanaalmodel met hoge statische druk | Pressão estática elevada no tubo |
| Floor Standing | A pavimento | Staand | Unidade de chão |
| Concealed Floor Standing | A pavimento a scomparsa | Verborgen staand | Unidade de chão de condutas |
Specifications
Corresponding language table
| English Ελληνικη Βългарски | Türkçe | | |
| 2WAY (Type ME2) 2WAY (Túπος ME2) 2WAY (Тип ME2) 2WAY (ME2 tipi) | |
| 1-Way Cassette Κασέτας 1-δρομο 1-пътен касетен 1-YOLLU Kaset | |
| 2-Way Cassette Κασέτας 2-δρομο 2-пътен касетен 2-YOLLU Kaset | |
| 4-Way Cassette Κασέτας 4-δρομο 4-пътен касетен 4-YOLLU Kaset | |
| 4-Way Cassette 60 × 60 Κασέτας 4-δρομο 60 × 60 4-пътен касетен 60 × 60 4-YOLLU Kaset 60×60 | |
| Wall-Mounted Επιτοίχια τοποθέτηση | Стенен монтаж | Duvara Monte | |
| Ceiling | Οροφής | Tabanen | Tavan |
| Low Silhouette Ducted | Αγωγος χαμηλής σιλουετας | Компактен с канал | Düşük Siluetli Kanallı |
| Slim Low Static Ducted | Αγωγός χαμηλής στατικής πίεσης λεπτού τύπου | Τънък нисък статичен с канали | İnce Düşük Statik Kanal Tipi |
| High Static Pressure Ducted | Αγωγός υψηλής στατικής πίεσης | Високонапорен канален | Yüksek Statik Basınç Kanallı |
| Floor Standing | Επιδαπέδια τοποθέτηση | Подов монтаж | Zeminde Duruş |
| Concealed Floor Standing | Διακριτική επιδαπέδια τοποθέτηση | Скрит подов монтаж | Gömme Zeminde Duruş |
© Panasonic Corporation 2016
Printed in Malaysia
Authorised representative in EU
Panasonic Testing Centre
Panasonic Marketing Europe GmbH
Winsbergring 15, 22525 Hamburg, Germany