2
2. Installation location
Fig. 2-1
H
D
W
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 the specifi ed cables for wiring.
• Use only accessories authorized by Mitsubishi Electric and ask the dealer
or an authorized technician to install them.
• Do not touch the heat exchanger fi ns.
• 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.
Caution:
• Do not use the existing refrigerant piping, when use R410A or R407C refrig-
erant.
• Use ester oil, either oil or alkylbenzene (small amount) as the refrigerator
oil to coat fl ares and fl ange connections, when use R410A or R407C refrig-
erant.
• 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 suffi cient current carrying capacity and rating.
• Use only a circuit breaker and fuse of the specifi ed capacity.
• Do not touch the switches with wet fi ngers.
• 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 precau-
tions”.
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 affi xed 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
A
B
C
*
1
D
E
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
1
Wall-fi xing bracket
1
Fix at the back of the unit
2
Tapping screw 4 × 35
8
Set in packing material
3
Felt tape
1
4
MA remote controller cable
1
5
Cable
1
6
Band
1
7
Fastener
1
RG79D177H01_0221.indd 2
RG79D177H01_0221.indd 2
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