Panasonic U-8ME2R8 Outdoor Unit 2-Way Cooling Air Conditioner Instruction Manual

: June 16, 2024
: Panasonic

Table of Contents

Panasonic U-8ME2R8 Outdoor Unit 2-Way Cooling Air Conditioner
Product Information
FAQ
Product Information
Safety Precautions
Precautions for Use
Specifications
References
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Panasonic U-8ME2R8 Outdoor Unit 2-Way Cooling Air Conditioner

Product Information

The Air Conditioner is a commercial outdoor unit manufactured by Panasonic Corporation. It belongs to the 2WAY (Type ME2) series and comes in various models with different capacities:

Model No. U-8ME2R8 / U-8ME2R8E* (Salt-air damage resistant)
Model No. U-10ME2R8 / U-10ME2R8E*
Model No. U-12ME2R8 / U-12ME2R8E*
Model No. U-14ME2R8 / U-14ME2R8E*
Model No. U-16ME2R8 / U-16ME2R8E*
Model No. U-18ME2R8 / U-18ME2R8E*
Model No. U-20ME2R8 / U-20ME2R8E*

The outdoor unit is designed to work with a connectable indoor unit lineup, which includes Low Silhouette Ducted, Slim Low Static Ducted, High Static Pressure Ducted, Floor Standing Concealed, Floor Standing Slim Type Ducted, and other models. For detailed instructions on the indoor unit, refer to the operating
instructions supplied with it.

Safety Precautions

Before operating the Air Conditioner, it is important to read and understand the following safety precautions:

WARNING: This symbol indicates a hazard or unsafe practice that can result in severe personal injury or death.
CAUTION: This symbol indicates a hazard or unsafe practice that can result in personal injury or product/property damage.

Prohibited matters and matters to be observed:

WARNING: Confirm with an authorized dealer or specialist on the usage of the specified refrigerant type. Using refrigerant other than the specified type may cause product damage, burst, and injury.
This air conditioner does not have a ventilator for intaking fresh air from outdoors. It is important to open doors or windows frequently when using gas or oil heating appliances in the same room, as they consume a lot of oxygen from the air. Failure to do so may lead to suffocation in extreme cases.
Never use or store gasoline or other flammable vapor or liquid near the air conditioner as it is highly 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, as rotating parts may cause injury.
If the refrigerant comes in contact with a flame, it produces a toxic gas.
For safety, always turn off the air conditioner and disconnect the power before cleaning or servicing.
In case of emergency, pull off the power plug from a receptacle, switch off the breaker, or switch off the power disconnecting mean to isolate the air conditioner from the main power supply.

Specifications

The Air Conditioner has the following specifications:

Type: 2WAY (Type ME2)
Model No.: U-8ME2R8 / U-8ME2R8E* (Salt-air damage resistant)
Capacity: Varies depending on the model
Manufacturer: Panasonic Corporation
Address: 1006, Oaza Kadoma, Kadoma City, Osaka 571-8501, Japan

FAQ

Here are some frequently asked questions about the Air Conditioner:

Q: Where can I find the model and serial numbers?

A: The model and serial numbers are located on the nameplate on the bottom of the cabinet.

Q: What should I do if I have problems or questions about the Air Conditioner?

A: If you have any problems or questions, you can refer to the operating instructions for troubleshooting. If the issue persists, you can contact the dealer from whom you purchased the product. Make sure to provide them with the model and serial numbers, date of purchase, and any relevant information about the problem.

Shows 2WAY (Type ME2)

Panasonic-U-8ME2R8-Outdoor-Unit-2-Way-Cooling-Air-Conditioner-
FIG-2

Model No.
OUTDOOR UNIT 2WAY (Type ME2 )

U-8ME2R8
U-10ME2R8
U-12ME2R8
U-14ME2R8
U-16ME2R8
U-18ME2R8
U-20ME2R8
U-8ME2R8E*
U-10ME2R8E*
U-12ME2R8E*
U-14ME2R8E*
U-16ME2R8E*
U-18ME2R8E*
U-20ME2R8E*
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: Low Silhouette Ducted
2-Way Cassette: Slim Low Static Ducted
4-Way Cassette: High Static Pressure Ducted
4-Way Cassette 60 × 60: Floor Standing
Wall-Mounted: Concealed Floor Standing
Ceiling: Slim Type Ducted

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

Panasonic Corporation
1006, Oaza Kadoma, Kadoma City, Osaka 571-8501, Japan

Thank you for purchasing this Panasonic product.
This product is a commercial air conditioner outdoor unit. Installation Instructions attached.

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 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.

CAUTION

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.

Important Information Regarding

The Refrigerant Used
This product contains fluorinated greenhouse gases. Do not vent gases into the atmosphere.
Refrigerant type: R410A
GWP(1) value: 2088
(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°C when using the existing R22 pipe

OUTDOOR UNIT

Type ME2 (2WAY)

Panasonic-U-8ME2R8-Outdoor-Unit-2-Way-Cooling-Air-Conditioner-
FIG-3

Optional

Panasonic-U-8ME2R8-Outdoor-Unit-2-Way-Cooling-Air-Conditioner-
FIG-4

Adjusting Airfl ow 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.

Specifications

Outdoor unit

2WAY (Type ME2)

Model Name

| U-8ME2R8| U-10ME2R8| U-12ME2R8| U-14ME2R8| U-16ME2R8
---|---|---|---|---|---
U-8ME2R8E| U-10ME2R8E| U-12ME2R8E| U-14ME2R8E| U-16ME2R8E*
Power source| 400 – 415 V 3N～ 50 Hz
Cooling capacity| kW| 22.4| 28.0| 33.5| 40.0| 45.0
Heating capacity| kW| 25.0| 31.5| 37.5| 45.0| 50.0
Sound pressure level| dB(A)| 54.0| 56.0| 59.0| 60.0| 61.0
Sound power level| dB(A)| 75.0| 77.0| 80.0| 81.0| 82.0
Unit dimensions (H×W×D)| mm| 1842×770×1000| 1842×770×1000| 1842×1180×1000| 1842×1180×1000| 1842×1180×1000
Net weight| kg| 220| 220| 270| 315| 315

Model Name

| U-18ME2R8| U-20ME2R8
---|---|---
U-18ME2R8E| U-20ME2R8E
Power source| 400 – 415 V 3N～ 50 Hz
Cooling capacity| kW| 50.0| 56.0
Heating capacity| kW| 56.0| 63.0
Sound pressure level| dB(A)| 59.0| 60.0
Sound power level| dB(A)| 80.0| 81.0
Unit dimensions (H×W×D)| mm| 1842×1540×1000| 1842×1540×1000
Net weight| kg| 375| 375

Performance test condition : AS / NZS 3823.2
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.