Mitsubishi Electric PKFY-P25VBM-E [2/14] Safety precautions

Note:

The phrase “Wired remote controller” in this installation manual refers only to the PAR-21MAA.

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.

2. Installation location

Fig. 2-1

Warning:

• Ask the dealer or an authorized technician to install the air conditioner.

• Install the unit at a place that can withstand its weight.

• 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.

• 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.

• If the air conditioner is installed in a small room, measures must be taken

to prevent the refrigerant concentration from exceeding the safety limit

even if the refrigerant should leak.

• The cut face punched parts may cause injury by cut, etc. The installers are

requested to wear protective equipement such as gloves, etc.

• When installing or relocating, or servicing the air conditioner, use only the

specified refrigerant (R410A) to charge the refrigerant lines. Do not mix it

with any other refrigerant and do not allow air to remain in the lines.

If air is mixed with the refrigerant, then it can be the cause of abnormal high pressure

in the refrigerant line, and may result in an explosion and other hazards.

The use of any refrigerant other than that specified for the system will cause

mechanical failure or system malfunction or unit breakdown. In the worst

case, this could lead to a serious impediment to securing product safety.

Caution:

•

Do not use the existing refrigerant piping, when use R410A or R407C refrigerant.

• Use ester oil, either oil or alkylbenzene (small amount) as the refrigerator oil

to coat flares and flange connections, when use R410A or R407C refrigerant.

• Do not use the air conditioner where food, pets, plants, precision instru-

ments, 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 refrigerant 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.

1. Safety precautions .....................................................................................2

2. Installation location ....................................................................................2

3. Installing the indoor unit ............................................................................3

4. Refrigerant pipe and drain pipe .................................................................4

5. Electrical work ...........................................................................................6

6. Test run ...................................................................................................... 7

Contents

1. Safety precautions

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 an important instructions that 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.

ELV

: 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.

2.1. Outline dimensions (Indoor unit) (Fig. 2-1)

Select a proper position allowing the following clearances for installation and main-

tenance.

(mm)

Models W D H

ABC

PKFY-P·VBM 815 225 295 Min. 20 Min. 22 Min. 50

Min. 100

Max. 90

*1 : 60mm or more for left and left back piping.

Warning:

Mount the indoor unit on a wall strong enough to withstand the weight of the

unit.





The indoor unit comes with the following parts and accessories:

PART NUMBER ACCESSORY

QUANTITY

LOCATION OF SETTING

Wall-fixing bracket 1

Fix at the back of the unit

Tapping screw 4 × 25 8

Set in packing material

Felt tape 1

MA remote controller cable

Cable 1

Band 1

Fastener 1

Mitsubishi Electric PKFY-P25VBM-E [2/14] Safety precautions

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