Table Of Contents; Safety Precautions - Mitsubishi Electric PEAD-M35 Installation Manual

Contents
1. Safety precautions ......................................................................................... 11
2. Selecting the installation location................................................................... 12
3. Selecting an installation site & Accessories................................................... 12
4. Fixing hanging bolts ....................................................................................... 13
5. Installing the unit ............................................................................................ 13
Note:
The phrase "Wired remote controller" in this installation manual refers only to the PAR-32MAA. If you need any information for the other remote controller,
please refer to either the installation manual or initial setting manual which are included in these boxes.

1. Safety precautions

 Before installing the unit, make sure you read all the "Safety Precautions".
 The "Safety Precautions" provide very important points regarding safety. Make sure you follow them.
 Please report to or take consent by the supply authority before connection to the system.
MEANINGS OF SYMBOLS ON THE UNIT
WARNING This symbol is only for R32 refrigerant. The type of the refrigerant used is written on the nameplate on the outdoor unit.
R32 refrigerant is flammable. If the refrigerant leaks, or comes in contact with fire or parts that generate heat, it may create harmful gas and
(Risk of fire)
pose a risk of fire.
Read the OPERATION MANUAL carefully before operation.
Service personnel are required to carefully read the OPERATION MANUAL and INSTALLATION MANUAL before operation.
Further information is available in the OPERATION MANUAL, INSTALLATION MANUAL, and the like.
Symbols used in the text
Warning:
Could lead to death, serious injury, etc.
Caution:
Could lead to serious injury in particular environments when operated
incorrectly.
• After reading this manual, be sure to keep it together with the instruction
manual in a handy place on the customer's site.
Warning:
• Carefully read the labels affixed to the main unit.
• Do not install it by yourself (customer).
Incomplete installation could cause injury due to fire, electric shock, the unit
falling or leakage of water. Consult the dealer from whom you purchased the
unit or special installer.
• 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.
• Install the unit securely in a place which can bear the weight of the unit.
When installed in an insufficient strong place, the unit could fall causing injured.
• Use the specified wires to connect the indoor and outdoor units securely and
attach the wires firmly to the terminal board connecting sections so the
stress of the wires is not applied to the sections.
Incomplete connecting and fixing could cause fire.
• Do not use intermediate connection of the power cord or the extension cord
and do not connect many devices to one AC outlet.
It could cause a fire or an electric shock due to defective contact, defective
insulation, exceeding the permissible current, etc.
• Check that the refrigerant gas does not leak after installation has completed.
• Perform the installation securely referring to the installation manual.
Incomplete installation could cause a personal injury due to fire, electric
shock, the unit falling or leakage of water.
• 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.
• Perform electrical work according to the installation manual and be sure to
use an exclusive circuit.
If the capacity of the power circuit is insufficient or there is incomplete
electrical work, it could result in a fire or an electric shock.
• If the supply cord is damaged, it must be replaced by the manufacturer, its
service agent or similarly qualified persons in order to avoid a hazard.
• Attach the electrical part cover to the indoor unit and the service panel to the
outdoor unit securely.
If the electrical part cover in the indoor unit and/or the service panel in the
outdoor unit are not attached securely, it could result in a fire or an electric
shock due to dust, water, etc.
6. Refrigerant piping work .................................................................................. 13
7. Duct work ....................................................................................................... 16
8. Electrical work................................................................................................ 17
9. Test run.......................................................................................................... 21
10. Maintenance .................................................................................................. 24
Symbols put on the unit
: Indicates an action that must be avoided.
: Indicates that important instructions must be followed.
: Indicates a part which must be grounded.
: Indicates that caution should be taken with rotating parts.
: Indicates that the main switch must be turned off before servicing.
: Beware of electric shock.
: Beware of hot surface.
• Be sure to use the part provided or specified parts for the installation work.
The use of defective parts could cause an injury or leakage of water due to a
fire, an electric shock, the unit falling, etc.
• Ventilate the room if refrigerant leaks during operation.If the refrigerant
comes in contact with a flame, poisonous gases will be released.
• Children should be supervised to ensure that they do not play with the appliance.
• When installing, relocating, or servicing the air conditioner, use only the
specified refrigerant written on the outdoor unit to charge the refrigerant
lines. Do not mix the refrigerant with any other refrigerant, and do not allow
air to remain in the lines.
- If air is mixed with the refrigerant, then it may cause abnormal high pressure in
the refrigerant lines, resulting in an explosion and other hazards.
- The use of any refrigerant other than that specified for the system will cause
mechanical failure, system malfunction, or unit breakdown. In the worst case,
this could lead to a serious impediment to securing product safety.
- It may also be in violation of applicable laws.
- MITSUBISHI ELECTRIC CORPORATION cannot be held responsible for
malfunctions or accidents resulting from the use of the wrong type of refrigerant.
• This indoor unit should be installed in a room which is equal to or larger than
the floor space specified in the outdoor unit installation manual. Refer to the
outdoor unit installation manual.
• Only use means recommended by the manufacturer to accelerate the
defrosting process or to clean.
• This indoor unit shall be stored in a room that has no continuously-operating
ignition device such as open flame, gas appliance, or electrical heater.
• Do not pierce a hole in or burn this indoor unit or refrigerant lines.
• Be aware that the refrigerant may be odour-free.
• Pipe-work shall be protected from physical damage.
• The installation of pipe-work shall be kept to a minimum.
• Compliance with national gas regulations shall be observed.
• Keep any required ventilation openings clear of obstruction.
• Do not use low temperature solder alloy when brazing the refrigerant pipes.
• When performing brazing work, be sure to ventilate the room sufficiently. Make
sure that there are no hazardous or flammable materials nearby. When
performing the work in a closed room, small room, or similar location, make
sure that there are no refrigerant leaks before performing the work. If refrigerant
leaks and accumulates, it may ignite or poisonous gases may be released.
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