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1. Safety precautions .....................................................................................1
2. Installing the indoor unit ............................................................................1
3. Connecting drain pipe ...............................................................................4
4. Connecting water pipes .............................................................................5
5. Electrical work ...........................................................................................9
6. Installing the grille ....................................................................................17
7. Test run ....................................................................................................21
2. Installing the indoor unit
2.1. Check the indoor unit accessories (Fig. 2-1)
The indoor unit should be supplied with the following accessories.
Accessory name
Q’ty
1
Installation template
1
2
Washers (with insulation)
Washers (without insulation)
4
4
3
Band (large)
Band (middle)
Band (small) * Use only one.
2
2
2
4
Drain socket
1
5
Insulation
1
Fig. 2-1
1
2
3
5
4
► Before installing the unit, make sure you read all the “Safety
precautions”.
► Please report to your supply authority or obtain their consent before
connecting this equipment to the power supply system.
Warning:
Describes precautions that must be observed to prevent danger of injury or
death to the user.
Caution:
Describes precautions that must be observed to prevent damage to the unit.
After installation work has been completed, explain the “Safety Precautions,” use,
and maintenance of the unit to the customer according to the information in the
Operation Manual and perform the test run to ensure normal operation. Both the
Installation Manual and Operation Manual must be given to the user for keeping.
These manuals must be passed on to subsequent users.
: 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.
: At servicing, please shut down the power supply for both the Indoor and
Outdoor Unit.
Warning:
Carefully read the labels affixed to the main unit.
Caution:
Appliances not accessible to the general public.
Install the indoor unit at least 2.5 m above floor or grade level.
For appliances not accessible to the general public.
Warning:
• Ask the dealer or an authorized technician to install the air conditioner.
• The user should never attempt to repair the unit or transfer it to another
location.
• Install the unit at a place that can withstand its weight.
• Do not alter the unit. It may cause fire, electric shock, injury or water
leakage.
• Use only specified cables for wiring. The wiring connections must be made
securely with no tension applied on the terminal connections. Also, never
splice the cables for wiring (unless otherwise indicated in this document).
Failure to observe these instructions may result in overheating or a fire.
• Use only accessories authorized by Mitsubishi Electric and ask the dealer
or an authorized technician to install them.
Caution:
• Do not use the air conditioner where food, pets, plants, precision
instruments, or artwork are kept.
• Do not use the air conditioner in special environments.
• Ground the unit.
• Install an leak circuit breaker, as required.
• Use power line cables of sufficient current carrying capacity and rating.
• Use only a circuit breaker and fuse of the specified capacity.
• Do not touch the switches with wet fingers.
• Do not touch the heat exchanger fins.
• Install the air conditioner according to this Installation Manual.
• Have all electric work done by a licensed electrician according to local
regulations.
• Do not use intermediate connection of electric wires.
• The cut face punched parts may cause injury by cut, etc. The installers are
requested to wear protective equipment such as gloves, etc.
•
The appliance shall be installed in accordance with national wiring regulations.
• 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.
• Do not touch the water pipes during and immediately after operation.
• Do not operate the air conditioner with the panels and guards removed.
• Do not turn off the power immediately after stopping operation.
• If the unit is run for long hours when the air above the ceiling is at high
temperature/high humidity (dew point above 26 ºC), dew condensation may
be produced in the indoor unit or the ceiling materials. When operating
the units in this condition, add insulation material (10-20 mm) to the entire
surface of the unit and ceiling materials to avoid dew condensation.
Note:
The phrase “Wired remote controller” in this installation manual refers to the PAR-40MAA.
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
Contents
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