U-12ME2H7 - Air conditioner PANASONIC - Free user manual and instructions

Product Type	Commercial Air Conditioner Outdoor Unit
Model	U-12ME2H7 (also U-12ME2H7E* for salt-air resistance)
Series	2WAY (Type ME2)
Refrigerant	R410A
GWP	1975
Cooling Operation (Indoor)	14°C – 25°C (WBT)
Cooling Operation (Outdoor)	-10°C – 52°C (DBT) / -10°C – 43°C with existing R22 pipe
Heating Operation (Indoor)	16°C – 30°C (DBT)
Heating Operation (Outdoor)	-25°C – 18°C (WBT)
Main Functions	Cooling and Heating
Compatible Indoor Units	1-Way Cassette, 2-Way Cassette, 4-Way Cassette, 4-Way Cassette 60x60, Wall-Mounted, Ceiling, Low Silhouette Ducted, Slim Low Static Ducted, High Static Pressure Ducted, Floor Standing, Concealed Floor Standing, Slim Type Ducted, Fresh Air Intake Duct
Installation	Must be installed by qualified technicians
Electrical Requirements	Refer to nameplate for voltage; dedicated power outlet and ELCB/RCD required
Cleaning	Do not clean indoor/outdoor units yourself; contact authorized dealer or specialist
Safety Precautions	Use specified refrigerant; avoid flammable gases; ground properly; disconnect power before servicing; do not insert objects into fan
Repair	Do not repair yourself; contact sales dealer or service dealer
Salt-Air Resistance	Models with suffix "E" are salt-air damage resistant
Included Accessories	Outdoor unit only; indoor unit and remote controllers sold separately

Frequently Asked Questions - U-12ME2H7 PANASONIC

What type of refrigerant does the Panasonic U-12ME2H7 use?

The unit uses R410A refrigerant.

What is the Global Warming Potential (GWP) of the refrigerant?

The GWP of R410A is 1975.

What are the operating temperature ranges for cooling and heating?

For cooling: indoor 14°C–25°C (WBT), outdoor -10°C–52°C (DBT) or -10°C–43°C with existing R22 pipe. For heating: indoor 16°C–30°C (DBT), outdoor -25°C–18°C (WBT).

Can this outdoor unit be connected to any indoor unit?

It is compatible with a wide range of indoor units including 1-Way/2-Way/4-Way cassettes, wall-mounted, ceiling, ducted, and floor-standing types.

Is the U-12ME2H7 suitable for coastal areas?

Models with the suffix E (e.g., U-12ME2H7E) are designed for salt-air damage resistance. Avoid installation where seawater can splash directly.

How should I clean the outdoor unit?

Do not attempt to clean the unit yourself. Contact an authorized dealer or specialist for cleaning.

What should I do if the air conditioner malfunctions?

Stop operation immediately, disconnect the power supply, and contact your local dealer for repair.

Can I install the unit myself?

No, installation must be carried out by qualified installation technicians in accordance with the provided instructions.

What does the 'E' in the model number mean?

The suffix E indicates a salt-air damage resistant model, suitable for corrosive environments.

Is the U-12ME2H7 compatible with existing R22 piping?

Yes, but when using existing R22 piping, the maximum allowable outdoor temperature for cooling is reduced to 43°C.

USER MANUAL U-12ME2H7 PANASONIC

Three identical line drawings of a modular air conditioning unit with heat sinks and ventilation panels (no text or symbols)

* Shows 2WAY (Type ME2)

Model No.

OUTDOOR UNIT

2WAY (Type ME2)

U-8ME2H7	U-8ME2H7E*
U-10ME2H7	U-10ME2H7E*
U-12ME2H7	U-12ME2H7E*
U-14ME2H7	U-14ME2H7E*
U-16ME2H7	U-16ME2H7E*
U-18ME2H7	U-18ME2H7E*
U-20ME2H7	U-20ME2H7E*

* Salt-air damage resistant
- 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
Slim Type Ducted
Fresh Air intake Duct

ENGLISH

2\~5

Before operating the unit, read these operating instructions thoroughly and keep them for future reference.

B.MALAYSIA

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 38
• Outdoor unit 38

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 on the bottom of the cabinet.

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 may 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 p 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 is not intended for use by persons (including children) with reduced physical, sensory or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety. Children should be supervised to ensure that do not play with the appliance.

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.

Important Information Regarding The Refrigerant Used

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.

ENGLISH

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.

Information for Users on Collection and Disposal of Old Equipment and Used Batteries

[Information on Disposal in other Countries outside the European Union]

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.

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

Type ME2 (2WAY)

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-RTC3 CZ-RTC5 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.

No. Model CZ-RTC3 CZ-RTC5

8, 10 HP 12, 14, 16 HP 18, 20 HP

(1) GWP = global warming potential

Controle remoto com timer

Nº do modelo CZ-RTC4

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.
* Salt-air damage resistant

Corresponding language table

Declaration of Conformity with the requirements of the e-waste (Management and Handling) Rules, 2011 (adopted by Notification S.O.1035(E) of Ministry of Environment and Forests)

The Product is in conformity with the requirements of Rule 13 of the e-waste Rules.

The content of hazardous substance with the exemption of the applications listed in SCHEDULE II of the e-waste Rules:

1. Lead (Pb) – not over 0.1% by weight;
2. Cadmium (Cd) – not over 0.01% by weight;
3. Mercury (Hg) – not over 0.1% by weight;
4. Hexavalent chromium (Cr6+) – not over 0.1% by weight;
5. Polybrominated biphenyls (PBBs) – not over 0.1% by weight;
6. Polybrominated diphenyl ethers (PBDEs) – not over 0.1% by weight.

For the purpose of recycling to facilitate effective utilization of resources, please return this product to a nearby authorized collection center, registered dismantler or recycler, or Panasonic service center when disposing of this product.

Please see the Panasonic website for further information on collection centers, etc.

http://www.panasonic.com/in/corporate/sustainability/panasonic-india-i-recycle-program.html