Mitsubishi Electric PKFY-P20VBM-E, PKFY-P25VBM-E INSTALLATION MANUAL

Air-Conditioners For Building Application INDOOR UNIT

PKFY-P·VBM-E

INSTALLATION MANUAL

For safe and correct use, please read this installation manual thoroughly before installing the air-conditioner unit.

INSTALLATIONSHANDBUCH

Zum sicheren und ordnungsgemäßen Gebrauch der Klimaanlage das Installationshandbuch gründlich durchlesen.

MANUEL D’INSTALLATION

Veuillez lire le manuel d’installation en entier avant d’installer ce climatiseur pour éviter tout accident et vous assurer d’une utilisation correcte.

INSTALLATIEHANDLEIDING

Voor een veilig en juist gebruik moet u deze installatiehandleiding grondig doorlezen voordat u de airconditioner installeert.

MANUAL DE INSTALACIÓN

Para un uso seguro y correcto, lea detalladamente este manual de instalación antes de montar la unidad de aire acondicionado.

MANUALE DI INSTALLAZIONE

Per un uso sicuro e corretto, leggere attentamente questo manuale di installazione prima di installare il condizionatore d’aria.

ΕΓΧΕΙΡΙΔΙΟ ΟΔΗΓΙΩΝ ΕΓΚΑΤΑΣΤΑΣΗΣ

Για ασφάλεια και σωστή χρήση, лαρακαλείστε διαβάσετε пρоσεχτικά αυτό το εγχειρίδιο εγκατάστασης пριν αρχίσετε την εγκατάσταση της μονάδας κλιματισμού.

MANUAL DE INSTALAÇÃO

Para segurança e utilização correctas, leia atentamente este manual de instalação antes de instalar a unidade de ar condicionado.

MONTAJ ELKİTABI

Emniyetli ve doğru biçimde nasıl kullanılacağını öğrenmek için lütfen klima cihazını monte etmeden önce bu elkitabını dikkatle okuyunuz.

РУКОВОДСТВО ПО УСТАНОВКЕ

Для осторожного и правильного использования прибора необходимо тщательно ознакомиться с данным руководством по установке до выполнения установки кондиционера.

FOR INSTALLER

FÜR INSTALLATEURE

POUR L’INSTALLATEUR

VOOR DE INSTALLATEUR

PARA EL INSTALADOR

PER L’INSTALLATORE

ΓΙΑ ΑΥΤΟΝ ΠΟΥ ΚΑΝΕΙ ΤΗΝ ΕΓΚΑΤΑΣΤΑΣΗ

PARA O INSTALADOR

MONTÖR İÇİN

ДЛЯ УСТАНОВИТЕЛЯ

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Contents

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

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.

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.

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.

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.

: 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.

: At servicing, please shut down the power supply for both the Indoor and

ELV

Outdoor Unit.

Warning:

Carefully read the labels affixed to the main unit.

• 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.

• 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.

2. Installation location





The indoor unit comes with the following parts and accessories:

PART NUMBER ACCESSORY

1 2 3 4 5 6 7

Wall-fixing bracket 1

Tapping screw 4 × 25 8

Felt tape 1

MA remote controller cable

Cable 1 Band 1

Fastener 1

QUANTITY

LOCATION OF SETTING

Fix at the back of the unit

Set in packing material

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

Select a proper position allowing the following clearances for installation and maintenance.

Models W D H

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

*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.

ABC*1DE

Min. 100

(mm)

Max. 90

Fig. 2-1

3. Installing the indoor unit

79.5

79.5 328

190

450

100

Fig. 3-1

260

109.5

(mm)

3.1. Installing the wall mounting fixture (Fig. 3-1)

3.1.1. Setting the wall mounting fixture and piping positions

Using the wall mounting fixture, determine the unit’s installation position

and the locations of the piping holes to be drilled.

196.5

245.5 283 9

Warning:

Before drilling a hole in the wall, you must consult the building contractor.

Supporting piece Knockout hole (12-ø2.6)

298

109.5

40.5

Mount board Knockout hole (4-ø9) Main body Knockout hole (87-ø5.4) Slot (4-4.5 × 35) Piping hole (ø65) Knockout hole (8-ø4.3) Slot (4-4.5 × 40) Level setting standard Slot (4-4.5 × 37) Knockout hole Slot (4-11 × 20)

W: Location for wall holes

Wall mounting fixture

105

Hole centre Align the scale with the line. Insert scale.

3.1.2. Drilling the piping hole (Fig. 3-2)

Use a core drill to make a hole of 90-100 mm diameter in the wall in the

piping direction, at the position shown in the diagram to the left.

Sleeve Hole (Indoors) Wall (Outdoors)

The hole should incline so that the outside opening is lower than the in-

side opening.

Insert a sleeve (with a 90 mm diameter and purchased locally) through the

hole.

Note: The purpose of the hole’s inclination is to promote drain flow.

Fig. 3-2

3.1.3. Installing the wall mounting fixture

Since the indoor unit weighs near 10 kg, selection of the mounting loca-

Min. 100 mm Min. 130 mm Min. 59 mm Mount board

450

*1: 69mm or more for left and

left back piping

Fig. 3-3

tion requires thorough consideration. If the wall does not seem to be strong enough, reinforce it with boards or beams before installation.

The mounting fixture must be secured at both ends and at the centre, if

possible. Never fix it at a single spot or in any unsymetrical way.

(If possible, secure the fixture at all the positions marked with a bold ar-

row.) (Fig. 3-3)

Warning:

If possible, secure the fixture at all positions indicated with a bold arrow.

Caution:

• The unit body must be mounted horizontally.

• Fasten at the holes marked with

Fasten a thread to the hole. The level can be easily obtained by hanging a weight from the string and aligning the

string with the mark.

as shown by the arrows.

3.2. Preparation for piping connection

Remove the vinyl band that holds the drain pipe.

Rear, right and lower piping (Fig. 3-4)

Bind the refrigerant pipes and drain pipe with vinyl tape at three or more

points. This will facilitate passing the pipes through the wall.

Vinyl tape This figure is viewed from the back of the unit.

Left and left rear piping

Fig. 3-4

- For left rear piping, pull the pipes out the hole to determine their correct

length, then bend them. The indoor unit should hang on the wall mounting fixture. (Fig. 3-5)

Wall Wall hole Bent section Refrigerant pipe Drain pipe Transmission cable

Fig. 3-5

3. Installing the indoor unit

Fig. 3-6 Fig. 3-7

- Lift the indoor unit by hooking the supporting piece (attached to the mount board) to the ribs on the back of the unit as shown. (Fig. 3-6)

When piping work etc. is complete, replace the supporting piece on the

mount board.

(If the unit is not fixed securely, vibration may occur during operation.)

Mount board Supporting piece Rib

If the flare pipe is to be embedded into the wall in advance: (Fig. 3-7)

• Determine the length of pipe to be embedded by marking on the mounting plate as a reference.

Mark

Wall mounting fixture

3.3. Mounting the unit (Fig. 3-8)

Securely place the hanging fixtures for the indoor unit over the catches on the

wall mounting fixture.

Indoor unit Wall mounting fixture Catch

When piping has been completed, install the indoor unit and wall mounting fix-

ture with fixing screws.

Fig. 3-8

4. Refrigerant pipe and drain pipe

45 ±2

øA

90 ±0.5

R0.4 - R0.

Fig. 4-1

Refrigerant pipe sizes & Flare nut tightening torque

R407C or R22 R410A Liquid pipe Gas pipe Liquid pipe Gas pipe

Pipe size(mm)

P15/P20/25 ODø6.35 (1/4”) 14 - 18 ODø12.7 (1/2”) 49 - 61 ODø6.35 (1/4”) 14 - 18 ODø12.7 (1/2”) 49 - 61 17 26

Tighten-

ing torque

(N.m)

Pipe size (mm)

Tightening

torque

(N.m)

4.1. Connecting pipes (Fig. 4-1)

• When commercially available copper pipes are used, wrap liquid and gas pipes

with commercially available insulation materials (heat-resistant to 100 °C or more, thickness of 12 mm or more).

• The indoor parts of the drain pipe should be wrapped with polyethylene foam in-

sulation materials (specific gravity of 0.03, thickness of 9 mm or more).

• Apply thin layer of refrigerant oil to pipe and joint seating surface before tighten-

ing flare nut.

• Use two wrenches to tighten piping connections.

• Use refrigerant piping insulation provided to insulate indoor unit connections. In-

sulate carefully.

Warning:

When installing the unit, securely connect the refrigerant pipes before starting the compressor.

Flare cutting dimensions

Copper pipe O.D.

Pipe size (mm)

(mm) ø6.35 8.7 - 9.1 ø12.7 16.2 - 16.6

Tightening

torque

(N.m)

Pipe size (mm)

Flare dimensions

øA dimensions (mm)

Tightening

torque

(N.m)

Flare nut O.D.

Liquid pipe (mm)

Gas pipe

(mm)

Do not apply refrigerating machine oil to the screw portions.

(This will make the flare nuts more apt to loosen.)

Be certain to use the flare nuts that are attached to the main unit.

(Use of commercially-available products may result in cracking.)

Apply refrigerating machine oil over the entire flare seat surface.

4. Refrigerant pipe and drain pipe

(mm)

110

450

520 116

Fig. 4-2

(mm)

24.4

2.5

91.5

2.5

Fig. 4-3

4.2. Positioning refrigerant and drain piping

Position of refrigerant and drain piping (Fig. 4-2)

• The drain pipe can be cut midway to meet the on-site conditions.

(Effective length: 640) Gas pipe Liquid pipe Drain hose

Determine the position of the knockout holes on the unit body. (Fig. 4-3)

Cut the knockout holes using a saw blade or an adequate knife.

Take care not to damage other parts of the unit.

• Remove the corner box and drill a knockout hole. If a hole is made without removing the box, the drain hose could be damaged.

Left-side piping Corner box Lower piping Knockout hole for lower piping Right-side piping Through hole for the remote controller’s

Knockout hole for left-side piping Knockout hole for right-side piping

cable

4.3. Drain piping (Fig. 4-4)

• Drain pipes should have an inclination of 1/100 or more.

• For extension of the drain pipe, use a soft hose (inner dia. 16 mm) available on the market or hard vinyl chloride pipe (VP-16). Make sure that there is no water leakage from the connections.

• If the drain pipe passes indoors it must be covered with insulating material (foamed polyethylene: specific gravity: 0.03, thickness: 9 mm or more) available on the market.

• Do not put the drain piping directly in a drainage ditch where sulphuric gas may be generated.

• When piping has been completed, check that water flows from the end of the drain pipe.

Caution: The drain pipe should be installed according to this Installation Manual to ensure correct drainage. Thermal insulation of the drain pipes is necessary to prevent condensation. If the drain pipes are not properly installed and insulated, condensation may drip on the ceiling, floor or other possessions.

Inclined downwards Must be lower than outlet point Water leakage Trapped drainage Air Wavy The end of drain pipe is under water. Drainage ditch 5 cm or less between the end of drain pipe and

the ground

Fig. 4-4

100

(mm)

4.4. Completing the piping (Fig. 4-5)

• To prevent condensation from dripping, put felt tape over the insulation materials

on the refrigerant and drain pipes within the unit as shown in the diagram.

• Arrange the drain hose so that it goes to the bottom of the unit.

• The overlapping width of felt tape is one half of the tape width.

Felt tape Liquid pipe Gas pipe Drain piping Viewed from the back Take care that the middle of the drain hose is not raised. In the case of left piping, the refrigerant pipes and the drain pipe should be taped

separately.

Wrap together the refrigerant pipes and the drain pipe with felt tape so that white felt over

laps by 20 mm or more.

* The pipes should be wrapped so that they are housed behind the unit.

Fix the end of the felt tape with a bandage fixture.

Fig. 4-5

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