Panasonic U-8MS3H7 Outdoor Unit Air Conditioner Instruction Manual

: June 15, 2024
: Panasonic

Table of Contents

Panasonic U-8MS3H7 Outdoor Unit Air Conditioner
Safety Precautions
Precautions for Use
Installation
Information
Specifications
References
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Panasonic U-8MS3H7 Outdoor Unit Air Conditioner

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

Model No. OUTDOOR UNIT

2WAY (Type MS3)
U-8MS3H7
U-10MS3H7
U-12MS3H7
U-14MS3H7
U-16MS3H7
U-18MS3H7
U-20MS3H7
U-22MS3H7
U-24MS3H7

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

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 diffi culties or problems, consult your dealer cfor 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 speciﬁ ed refrigerant type. Using of refrigerant other than the speciﬁ ed 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 ﬂ ammable 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 ﬁ ngers or other objects into the air conditioner indoor or outdoor unit, rotating parts may cause injury.
If the refrigerant comes in contact with a ﬂ ame, 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 ﬁ xed 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 unspeciﬁ ed 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/fi re/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 fi re 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 airoutlet 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 fi ns 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 fl uorinated greenhouse gases. Do not vent gases into the atmosphere.

Refrigerant type: R410A
GWP(1) value: 2088

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 qualiﬁ ed 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 ofﬁ ce 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 qualiﬁ ed 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 qualiﬁ ed 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 MS3)
|

Cooling

|

14°C ~ 25°C (*WBT)

| 10°C ~ 52°C (DBT)
10°C ~ 43°C (DBT)*1

DBT: Dry bulb temperature
WBT: Wet bulb temperature

The maximum allowable temperature of this air conditioning system is reduced to 43°C when using the existing R22 pipe.

Information

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.

WARNING

This symbol shows that this equipment uses a ﬂ ammable refrigerant. If the refrigerant is leaked, together with an external ignition source, there is a possibility of ignition.
This symbol shows that the Operation Instructions should be read carefully.
This symbol shows that a service personnel should be handling this equipment with reference to the Installation Instructions.
This symbol shows that there is information included in the Operation Instructions and/or Installation Instructions.